Date: Fri, 23 Jun 2017 15:01:14 -0700 From: Mark Millard <markmi@dsl-only.net> To: FreeBSD PowerPC ML <freebsd-ppc@freebsd.org>, freebsd-hackers@freebsd.org Subject: Re: Example head -r317820 manual backtrace that jumps to non-code (from a vmcore inspection); eventually kernel-thread stack overflowed Message-ID: <1A0158FB-3A37-460D-A532-E1BA00A310B2@dsl-only.net> In-Reply-To: <0CB80542-64A3-4A5C-93A5-67F32104549B@dsl-only.net> References: <0CB80542-64A3-4A5C-93A5-67F32104549B@dsl-only.net>
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[I've added somewhat more summary information to
one of the omitted stack regions.]
On 2017-Jun-23, at 2:58 AM, Mark Millard <markmi@dsl-only.net> wrote:
> [For this memory layout the old PowerMac G5
> so-called "Quad Core" running 32-bit
> powerpc FreeBSD ran for over 10 days, 8 hours
> before it finally had an example panic.]
>=20
> This is from pid 960 tid 100110 "powerpd" with=20
> stack 0xd24da000-0xd24ddfff (virtual).
>=20
> Note: physical address in kgdb =3D vmcore_offset - 0x1000
>=20
> Look for sched_userret 's call and what happens after.
> And later for pvo_tree_RB_FIND 's call and what happens after.
>=20
>=20
> Working from high stack physical memory to low:
>=20
> <vmcore
> offset> [ lr ]
> 06b2da80 ff ff dc a0 00 10 08 f8 00 00 00 ca ff ff dc a0 =
|................|
>=20
> (kgdb listing around lr)
> 0x1008ec <k_trap+280>: isync
> 0x1008f0 <trapagain>: addi r3,r1,8
> 0x1008f4 <trapagain+4>: bl 0x8e7c64 <powerpc_interrupt>
> 0x1008f8 <trapexit>: mfmsr r3
> 0x1008fc <trapexit+4>: andi. r3,r3,32767
>=20
> [stkbckptr] [ lr ]
> 06b2da50 d2 4d da 80 00 8e 7e 08 00 10 08 f8 00 00 90 32 =
|.M....~........2|
>=20
> 0x8e7df0 <powerpc_interrupt+396>: mfmsr r0
> 0x8e7df4 <powerpc_interrupt+400>: or r0,r0,r9
> 0x8e7df8 <powerpc_interrupt+404>: mtmsr r0
> 0x8e7dfc <powerpc_interrupt+408>: isync
> 0x8e7e00 <powerpc_interrupt+412>: mr r3,r25
> 0x8e7e04 <powerpc_interrupt+416>: bl 0x8f231c <trap>
> 0x8e7e08 <powerpc_interrupt+420>: lwz r11,0(r1)
> 0x8e7e0c <powerpc_interrupt+424>: lwz r0,4(r11)
> 0x8e7e10 <powerpc_interrupt+428>: mtlr r0
>=20
> [stkbckptr] [ lr#0 ]
> 06b2d990 d2 4d da 50 00 10 08 f8 00 00 0c 00 d2 4d da 50 =
|.M.P.........M.P|
> 06b2d9a0 05 ad e0 00 00 00 00 00 d2 4d da 88 00 00 0c 00 =
|.........M......|
> 06b2d9b0 ff ff dc d8 00 00 00 00 00 00 00 00 00 f6 58 00 =
|..............X.|
> 06b2d9c0 00 00 00 00 41 9b 13 ac 01 81 00 00 00 00 00 00 =
|....A...........|
> 06b2d9d0 00 00 00 01 00 00 00 02 43 1b de 83 01 81 33 68 =
|........C.....3h|
> 06b2d9e0 01 81 00 00 01 81 00 00 00 00 00 00 ff ff dd f0 =
|................|
> 06b2d9f0 00 00 04 e2 ff ff dd 70 00 00 00 50 d2 4d da 88 =
|.......p...P.M..|
> 06b2da00 05 ad e0 00 01 81 33 60 41 a1 e5 68 0a 00 00 00 =
|......3`A..h....|
> 06b2da10 00 d2 7e 68 d2 4d da 50 00 8e 7e 00 20 00 f0 34 =
|..~h.M.P..~. ..4|
> [ lr#1 ]
>=20
> 06b2da20 00 00 00 00 00 00 00 00 00 00 00 00 00 08 10 32 =
|...............2|
>=20
> [exception]
> 06b2da30 00 00 07 00 41 a1 e5 68 0a 00 00 00 01 81 00 00 =
|....A..h........|
> 06b2da40 41 9d e5 d4 42 00 00 00 00 d2 7e 68 d2 4d da 50 =
|A...B.....~h.M.P|
>=20
> lr#0:
> 0x1008ec <k_trap+280>: isync
> 0x1008f0 <trapagain>: addi r3,r1,8
> 0x1008f4 <trapagain+4>: bl 0x8e7c64 <powerpc_interrupt>
> 0x1008f8 <trapexit>: mfmsr r3
> 0x1008fc <trapexit+4>: andi. r3,r3,32767
>=20
> lr#1:
> 0x8e7df0 <powerpc_interrupt+396>: mfmsr r0
> 0x8e7df4 <powerpc_interrupt+400>: or r0,r0,r9
> 0x8e7df8 <powerpc_interrupt+404>: mtmsr r0
> 0x8e7dfc <powerpc_interrupt+408>: isync
> 0x8e7e00 <powerpc_interrupt+412>: mr r3,r25
> 0x8e7e04 <powerpc_interrupt+416>: bl 0x8f231c <trap>
> 0x8e7e08 <powerpc_interrupt+420>: lwz r11,0(r1)
>=20
> (I will not repeat the #0 and #1 labels below for this
> very repetitive structure.)
>=20
> [stkbckptr] [ lr ]
> 06b2d960 d2 4d d9 90 00 8a b4 a8 d2 4d d9 70 d2 4d d9 70 =
|.M.......M.p.M.p|
>=20
> 0x8ab470 <handleevents+1192>: lwz r9,-32720(r30)
> 0x8ab474 <handleevents+1196>: lwz r9,0(r9)
> 0x8ab478 <handleevents+1200>: mtctr r9
> 0x8ab47c <handleevents+1204>: mr r3,r4
> 0x8ab480 <handleevents+1208>: mr r4,r29
> 0x8ab484 <handleevents+1212>: li r5,0
> 0x8ab488 <handleevents+1216>: li r6,0
> 0x8ab48c <handleevents+1220>: li r7,0
> 0x8ab490 <handleevents+1224>: li r8,0
> 0x8ab494 <handleevents+1228>: bctrl
> 0x8ab498 <handleevents+1232>: sync =20
> 0x8ab49c <handleevents+1236>: li r0,4
> 0x8ab4a0 <handleevents+1240>: stw r0,16(r29)
> 0x8ab4a4 <handleevents+1244>: bl 0x8ea4e8 <spinlock_exit>
> 0x8ab4a8 <handleevents+1248>: b 0x8ab518 <handleevents+1360>
> 0x8ab4ac <handleevents+1252>: lwz r11,-32748(r30)
>=20
> [stkbckptr] [ lr ]
> 06b2d8a0 d2 4d d9 60 00 10 08 f8 00 00 07 00 d2 4d d9 60 =
|.M.`.........M.`|
> 06b2d8b0 05 ad e0 00 00 00 00 00 d2 4d d9 98 00 00 07 00 =
|.........M......|
> 06b2d8c0 ff ff dc d8 00 00 00 00 00 00 00 00 00 f6 58 00 =
|..............X.|
> 06b2d8d0 00 00 00 00 41 9b 13 ac 01 81 00 00 00 00 00 00 =
|....A...........|
> 06b2d8e0 00 00 00 01 00 00 00 02 43 1b de 83 01 81 33 68 =
|........C.....3h|
> 06b2d8f0 01 81 00 00 01 81 00 00 00 00 00 00 ff ff dd f0 =
|................|
> 06b2d900 00 00 04 e2 ff ff dd 70 00 00 00 50 d2 4d d9 98 =
|.......p...P.M..|
> 06b2d910 05 ad e0 00 01 81 33 60 41 a1 e5 68 0a 00 00 00 =
|......3`A..h....|
> 06b2d920 00 d2 7e 68 d2 4d d9 60 00 8e 7e 00 20 08 10 34 =
|..~h.M.`..~. ..4|
> [ lr ]
>=20
> 06b2d930 00 00 00 00 00 00 00 00 00 00 00 00 00 08 10 32 =
|...............2|
>=20
> [exception]
> 06b2d940 00 00 07 00 41 a1 e5 68 0a 00 00 00 00 0d 00 56 =
|....A..h.......V|
> 06b2d950 52 66 54 bf df 5d 0d 00 00 d2 6b 18 d2 4d d9 60 =
|RfT..]....k..M.`|
>=20
> 0x1008ec <k_trap+280>: isync
> 0x1008f0 <trapagain>: addi r3,r1,8
> 0x1008f4 <trapagain+4>: bl 0x8e7c64 <powerpc_interrupt>
> 0x1008f8 <trapexit>: mfmsr r3
> 0x1008fc <trapexit+4>: andi. r3,r3,32767
>=20
> 0x8e7df0 <powerpc_interrupt+396>: mfmsr r0
> 0x8e7df4 <powerpc_interrupt+400>: or r0,r0,r9
> 0x8e7df8 <powerpc_interrupt+404>: mtmsr r0
> 0x8e7dfc <powerpc_interrupt+408>: isync
> 0x8e7e00 <powerpc_interrupt+412>: mr r3,r25
> 0x8e7e04 <powerpc_interrupt+416>: bl 0x8f231c <trap>
> 0x8e7e08 <powerpc_interrupt+420>: lwz r11,0(r1)
>=20
>=20
> [stkbckptr] [ lr ]
> 06b2d870 d2 4d d8 a0 00 56 e7 68 00 d1 d5 cc d2 4d d8 80 =
|.M...V.h.....M..|
>=20
> 0x56e75c <userret+176>: bl 0x55c3cc <addupc_task>
> 0x56e760 <userret+180>: mr r3,r28
> 0x56e764 <userret+184>: bl 0x534744 <sched_userret>
> 0x56e768 <userret+188>: lwz r9,-32756(r30)
>=20
> [stkbckptr] [ lr ]
> 06b2d7b0 d2 4d d8 70 00 10 08 f8 00 00 07 00 d2 4d d8 70 =
|.M.p.........M.p|
> 06b2d7c0 05 ad e0 00 00 00 00 00 d2 4d d8 a8 00 00 07 00 =
|.........M......|
> 06b2d7d0 ff ff dc d8 00 00 00 00 00 00 00 00 00 f6 58 00 =
|..............X.|
> 06b2d7e0 00 00 00 00 41 9b 13 ac 01 81 00 00 00 00 00 00 =
|....A...........|
> 06b2d7f0 00 00 00 01 00 00 00 02 43 1b de 83 01 81 33 68 =
|........C.....3h|
> 06b2d800 01 81 00 00 01 81 00 00 00 00 00 00 ff ff dd f0 =
|................|
> 06b2d810 00 00 04 e2 ff ff dd 70 00 00 00 50 d2 4d d8 a8 =
|.......p...P.M..|
> 06b2d820 05 ad e0 00 01 81 33 60 41 a1 e5 68 0a 00 00 00 =
|......3`A..h....|
> 06b2d830 00 d2 7e 68 d2 4d d8 70 00 8e 7e 00 20 08 10 34 =
|..~h.M.p..~. ..4|
> [ lr ]
>=20
> 06b2d840 00 00 00 00 00 00 00 00 00 00 00 00 00 08 10 32 =
|...............2|
>=20
> [exception]
> 06b2d850 00 00 07 00 41 a1 e5 68 0a 00 00 00 05 ad e0 00 =
|....A..h........|
> 06b2d860 d2 4d d8 88 05 f5 1a 50 00 d1 e7 24 d2 4d d8 70 =
|.M.....P...$.M.p|
>=20
> 0x1008ec <k_trap+280>: isync
> 0x1008f0 <trapagain>: addi r3,r1,8
> 0x1008f4 <trapagain+4>: bl 0x8e7c64 <powerpc_interrupt>
> 0x1008f8 <trapexit>: mfmsr r3
> 0x1008fc <trapexit+4>: andi. r3,r3,32767
>=20
> 0x8e7df0 <powerpc_interrupt+396>: mfmsr r0
> 0x8e7df4 <powerpc_interrupt+400>: or r0,r0,r9
> 0x8e7df8 <powerpc_interrupt+404>: mtmsr r0
> 0x8e7dfc <powerpc_interrupt+408>: isync
> 0x8e7e00 <powerpc_interrupt+412>: mr r3,r25
> 0x8e7e04 <powerpc_interrupt+416>: bl 0x8f231c <trap>
> 0x8e7e08 <powerpc_interrupt+420>: lwz r11,0(r1)
>=20
>=20
> [stkbckptr] [ lr ]
> 06b2d780 d2 4d d7 b0 00 00 00 02 00 d2 81 c8 d2 4d d7 90 =
|.M...........M..|
>=20
> 0x2: .long 0x0
> 0x6: .long 0x0
> 0xa: .long 0x0
> 0xe: .long 0x0
> 0x12: .long 0xffa3
> 0x16: rlwnm. r16,r18,r31,30,17
> 0x1a: rlwnm r8,r23,r0,0,0
> 0x1e: .long 0x0
> 0x22: .long 0x0
> 0x26: .long 0x0
> 0x2a: .long 0x0
> 0x2e: .long 0x0
>=20
> [stkbckptr] [ lr ]
> 06b2d6c0 d2 4d d7 80 00 10 08 f8 00 00 07 00 d2 4d d7 80 =
|.M...........M..|
> 06b2d6d0 05 ad e0 00 00 00 00 00 d2 4d d7 b8 00 00 07 00 =
|.........M......|
> 06b2d6e0 ff ff dc d8 00 00 00 00 00 00 00 00 00 f6 58 00 =
|..............X.|
> 06b2d6f0 00 00 00 00 41 9b 13 ac 01 81 00 00 00 00 00 00 =
|....A...........|
> 06b2d700 00 00 00 01 00 00 00 02 43 1b de 83 01 81 33 68 =
|........C.....3h|
> 06b2d710 01 81 00 00 01 81 00 00 00 00 00 00 ff ff dd f0 =
|................|
> 06b2d720 00 00 04 e2 ff ff dd 70 00 00 00 50 d2 4d d7 b8 =
|.......p...P.M..|
> 06b2d730 05 ad e0 00 01 81 33 60 41 a1 e5 68 0a 00 00 00 =
|......3`A..h....|
> 06b2d740 00 d2 7e 68 d2 4d d7 80 00 8e 7e 00 20 08 10 34 =
|..~h.M....~. ..4|
> [ lr ]
>=20
> 06b2d750 00 00 00 00 00 00 00 00 00 00 00 00 00 08 10 32 =
|...............2|
>=20
> [exception]
> 06b2d760 00 00 07 00 41 a1 e5 68 0a 00 00 00 05 ad e0 00 =
|....A..h........|
> 06b2d770 d2 4d d7 90 00 00 00 00 d2 4d d7 50 05 ad e0 00 =
|.M.......M.P....|
>=20
> 0x1008ec <k_trap+280>: isync
> 0x1008f0 <trapagain>: addi r3,r1,8
> 0x1008f4 <trapagain+4>: bl 0x8e7c64 <powerpc_interrupt>
> 0x1008f8 <trapexit>: mfmsr r3
> 0x1008fc <trapexit+4>: andi. r3,r3,32767
>=20
> 0x8e7df0 <powerpc_interrupt+396>: mfmsr r0
> 0x8e7df4 <powerpc_interrupt+400>: or r0,r0,r9
> 0x8e7df8 <powerpc_interrupt+404>: mtmsr r0
> 0x8e7dfc <powerpc_interrupt+408>: isync
> 0x8e7e00 <powerpc_interrupt+412>: mr r3,r25
> 0x8e7e04 <powerpc_interrupt+416>: bl 0x8f231c <trap>
> 0x8e7e08 <powerpc_interrupt+420>: lwz r11,0(r1)
>=20
>=20
> [stkbckptr] [ lr ]
> 06b2d690 d2 4d d6 c0 00 00 00 00 d2 4d d8 88 00 00 00 00 =
|.M.......M......|
>=20
> 0x0: .long 0x0
> 0x4: .long 0x0
> 0x8: .long 0x0
> 0xc: .long 0x0
> 0x10: .long 0x0
> 0x14: .long 0xffa35e50
> 0x18: .long 0xffa35ee8
> 0x1c: .long 0x0
>=20
> [stkbckptr] [ lr ]
> 06b2d5d0 d2 4d d6 90 00 10 08 f8 00 00 07 00 d2 4d d6 90 =
|.M...........M..|
> 06b2d5e0 05 ad e0 00 00 00 00 00 d2 4d d6 c8 00 00 07 00 =
|.........M......|
> 06b2d5f0 ff ff dc d8 00 00 00 00 00 00 00 00 00 f6 58 00 =
|..............X.|
> 06b2d600 00 00 00 00 41 9b 13 ac 01 81 00 00 00 00 00 00 =
|....A...........|
> 06b2d610 00 00 00 01 00 00 00 02 43 1b de 83 01 81 33 68 =
|........C.....3h|
> 06b2d620 01 81 00 00 01 81 00 00 00 00 00 00 ff ff dd f0 =
|................|
> 06b2d630 00 00 04 e2 ff ff dd 70 00 00 00 50 d2 4d d6 c8 =
|.......p...P.M..|
> 06b2d640 05 ad e0 00 01 81 33 60 41 a1 e5 68 0a 00 00 00 =
|......3`A..h....|
> 06b2d650 00 d2 7e 68 d2 4d d6 90 00 8e 7e 00 20 08 10 34 =
|..~h.M....~. ..4|
> [ lr ]
>=20
> 06b2d660 00 00 00 00 00 00 00 00 00 00 00 00 00 08 10 32 =
|...............2|
>=20
> [exception]
> 06b2d670 00 00 07 00 41 a1 e5 68 0a 00 00 00 00 00 00 02 =
|....A..h........|
> 06b2d680 d2 4d d6 b0 00 e8 7d 3c 00 f3 77 70 ff ff dd 70 =
|.M....}<..wp...p|
>=20
> 0x1008ec <k_trap+280>: isync
> 0x1008f0 <trapagain>: addi r3,r1,8
> 0x1008f4 <trapagain+4>: bl 0x8e7c64 <powerpc_interrupt>
> 0x1008f8 <trapexit>: mfmsr r3
> 0x1008fc <trapexit+4>: andi. r3,r3,32767
>=20
> 0x8e7df0 <powerpc_interrupt+396>: mfmsr r0
> 0x8e7df4 <powerpc_interrupt+400>: or r0,r0,r9
> 0x8e7df8 <powerpc_interrupt+404>: mtmsr r0
> 0x8e7dfc <powerpc_interrupt+408>: isync
> 0x8e7e00 <powerpc_interrupt+412>: mr r3,r25
> 0x8e7e04 <powerpc_interrupt+416>: bl 0x8f231c <trap>
> 0x8e7e08 <powerpc_interrupt+420>: lwz r11,0(r1)
>=20
>=20
> [stkbckptr] [ lr ]
> 06b2d5a0 d2 4d d5 d0 05 ad e0 00 00 d1 e5 3c d2 4d d5 b0 =
|.M.........<.M..|
>=20
> 0x5addff4: dozi r19,r0,-26304
> 0x5addff8: dozi r18,r12,1536
> 0x5addffc: dozi r18,r12,1472
> 0x5ade000: .long 0xebb800
> 0x5ade004: .long 0x5f51a50
> 0x5ade008: .long 0x0
> 0x5ade00c: .long 0x5f51a58
>=20
> [stkbckptr] [ lr ]
> 06b2d4e0 d2 4d d5 a0 00 10 08 f8 00 00 07 00 d2 4d d5 a0 =
|.M...........M..|
> 06b2d4f0 05 ad e0 00 00 00 00 00 d2 4d d5 d8 00 00 07 00 =
|.........M......|
> 06b2d500 ff ff dc d8 00 00 00 00 00 00 00 00 00 f6 58 00 =
|..............X.|
> 06b2d510 00 00 00 00 41 9b 13 ac 01 81 00 00 00 00 00 00 =
|....A...........|
> 06b2d520 00 00 00 01 00 00 00 02 43 1b de 83 01 81 33 68 =
|........C.....3h|
> 06b2d530 01 81 00 00 01 81 00 00 00 00 00 00 ff ff dd f0 =
|................|
> 06b2d540 00 00 04 e2 ff ff dd 70 00 00 00 50 d2 4d d5 d8 =
|.......p...P.M..|
> 06b2d550 05 ad e0 00 01 81 33 60 41 a1 e5 68 0a 00 00 00 =
|......3`A..h....|
> 06b2d560 00 d2 7e 68 d2 4d d5 a0 00 8e 7e 00 20 08 10 34 =
|..~h.M....~. ..4|
> [ lr ]
>=20
> 06b2d570 00 00 00 00 00 00 00 00 00 00 00 00 00 08 10 32 =
|...............2|
>=20
> [exception]
> 06b2d580 00 00 07 00 41 a1 e5 68 0a 00 00 00 d2 4d d5 90 =
|....A..h.....M..|
> 06b2d590 d2 4d d5 b0 00 56 4e 38 00 cf 51 80 05 fd 3c d0 =
|.M...VN8..Q...<.|
>=20
> 0x1008ec <k_trap+280>: isync
> 0x1008f0 <trapagain>: addi r3,r1,8
> 0x1008f4 <trapagain+4>: bl 0x8e7c64 <powerpc_interrupt>
> 0x1008f8 <trapexit>: mfmsr r3
> 0x1008fc <trapexit+4>: andi. r3,r3,32767
>=20
> 0x8e7df0 <powerpc_interrupt+396>: mfmsr r0
> 0x8e7df4 <powerpc_interrupt+400>: or r0,r0,r9
> 0x8e7df8 <powerpc_interrupt+404>: mtmsr r0
> 0x8e7dfc <powerpc_interrupt+408>: isync
> 0x8e7e00 <powerpc_interrupt+412>: mr r3,r25
> 0x8e7e04 <powerpc_interrupt+416>: bl 0x8f231c <trap>
> 0x8e7e08 <powerpc_interrupt+420>: lwz r11,0(r1)
>=20
>=20
> [stkbckptr] [ lr ]
> 06b2d4b0 d2 4d d4 e0 00 55 28 b4 d2 4d d4 c0 d2 4d d4 c0 =
|.M...U(..M...M..|
>=20
> 0x552884 <kobj_lookup_method>: stwu r1,-32(r1)
> 0x552888 <kobj_lookup_method+4>: mflr r0
> 0x55288c <kobj_lookup_method+8>: stw r28,16(r1)
> 0x552890 <kobj_lookup_method+12>: stw r29,20(r1)
> 0x552894 <kobj_lookup_method+16>: stw r30,24(r1)
> 0x552898 <kobj_lookup_method+20>: stw r31,28(r1)
> 0x55289c <kobj_lookup_method+24>: stw r0,36(r1)
> 0x5528a0 <kobj_lookup_method+28>: mr r31,r1
> 0x5528a4 <kobj_lookup_method+32>: mr r28,r4
> 0x5528a8 <kobj_lookup_method+36>: mr r29,r5
> 0x5528ac <kobj_lookup_method+40>: mr r4,r5
> 0x5528b0 <kobj_lookup_method+44>: bl 0x5527ac =
<kobj_lookup_method_mi>
> 0x5528b4 <kobj_lookup_method+48>: cmpwi r3,0
>=20
> [stkbckptr] [ lr ]
> 06b2d3f0 d2 4d d4 b0 00 10 08 f8 00 00 07 00 d2 4d d4 b0 =
|.M...........M..|
> 06b2d400 05 ad e0 00 00 00 00 00 d2 4d d4 e8 00 00 07 00 =
|.........M......|
> 06b2d410 ff ff dc d8 00 00 00 00 00 00 00 00 00 f6 58 00 =
|..............X.|
> 06b2d420 00 00 00 00 41 9b 13 ac 01 81 00 00 00 00 00 00 =
|....A...........|
> 06b2d430 00 00 00 01 00 00 00 02 43 1b de 83 01 81 33 68 =
|........C.....3h|
> 06b2d440 01 81 00 00 01 81 00 00 00 00 00 00 ff ff dd f0 =
|................|
> 06b2d450 00 00 04 e2 ff ff dd 70 00 00 00 50 d2 4d d4 e8 =
|.......p...P.M..|
> 06b2d460 05 ad e0 00 01 81 33 60 41 a1 e5 68 0a 00 00 00 =
|......3`A..h....|
> 06b2d470 00 d2 7e 68 d2 4d d4 b0 00 8e 7e 00 20 08 10 34 =
|..~h.M....~. ..4|
> [ lr ]
>=20
> 06b2d480 00 00 00 00 00 00 00 00 00 00 00 00 00 08 10 32 =
|...............2|
>=20
> [exception]
> 06b2d490 00 00 07 00 41 a1 e5 68 0a 00 00 00 d2 4d d4 a0 =
|....A..h.....M..|
> 06b2d4a0 00 fc f9 dc 00 ce 0f 8c 00 d2 80 6c d2 4d d4 b0 =
|...........l.M..|
>=20
> 0x1008ec <k_trap+280>: isync
> 0x1008f0 <trapagain>: addi r3,r1,8
> 0x1008f4 <trapagain+4>: bl 0x8e7c64 <powerpc_interrupt>
> 0x1008f8 <trapexit>: mfmsr r3
> 0x1008fc <trapexit+4>: andi. r3,r3,32767
>=20
> 0x8e7df0 <powerpc_interrupt+396>: mfmsr r0
> 0x8e7df4 <powerpc_interrupt+400>: or r0,r0,r9
> 0x8e7df8 <powerpc_interrupt+404>: mtmsr r0
> 0x8e7dfc <powerpc_interrupt+408>: isync
> 0x8e7e00 <powerpc_interrupt+412>: mr r3,r25
> 0x8e7e04 <powerpc_interrupt+416>: bl 0x8f231c <trap>
> 0x8e7e08 <powerpc_interrupt+420>: lwz r11,0(r1)
>=20
>=20
> . . . lots omitted . . .
Omitting trapframe/trapagain/powerpc_interrupt material
that continues to have "00 00 07 00" for the exception
field. The "00 8e 7e 00" lr#1's also stays the same.
[stkbckptr] [ lr ]
06b2d3c0 d2 4d d3 f0 00 56 4e ac 00 d2 6b c0 d2 4d d3 d0 =
|.M...VN...k..M..|
0x564e9c <sleepq_check_timeout+176>: addi r3,r27,672
0x564ea0 <sleepq_check_timeout+180>: li r4,0
0x564ea4 <sleepq_check_timeout+184>: li r5,0
0x564ea8 <sleepq_check_timeout+188>: bl 0x51691c =
<_callout_stop_safe>
0x564eac <sleepq_check_timeout+192>: mr r3,r26
[stkbckptr] [ lr ]
06b2d300 d2 4d d3 c0 00 10 08 f8 00 00 07 00 d2 4d d3 c0 =
|.M...........M..|
(trapframe and such)
[stkbckptr] [ lr ]
06b2d2d0 d2 4d d3 00 00 00 00 00 00 d1 d5 cc d2 4d d2 e0 =
|.M...........M..|
0x0: .long 0x0
0x4: .long 0x0
0x8: .long 0x0
0xc: .long 0x0
0x10: .long 0x0
0x14: .long 0xffa35e50
0x18: .long 0xffa35ee8
0x1c: .long 0x0
0x20: .long 0x0
0x24: .long 0x0
0x28: .long 0x0
[stkbckptr] [ lr ]
06b2d210 d2 4d d2 d0 00 10 08 f8 00 00 07 00 d2 4d d2 d0 =
|.M...........M..|
(trap frame and such)
[stkbckptr] [ lr ]
06b2d1e0 d2 4d d2 10 00 8e a5 0c 05 ad e0 00 00 0c fc 85 =
|.M..............|
0x8ea500 <spinlock_exit+24>: mr r31,r1
0x8ea504 <spinlock_exit+28>: mr r29,r2
0x8ea508 <spinlock_exit+32>: bl 0x5000c8 <critical_exit>
0x8ea50c <spinlock_exit+36>: lwz r0,744(r29)
[stkbckptr] [ lr ]
06b2d120 d2 4d d1 e0 00 10 08 f8 00 00 07 00 d2 4d d1 e0 =
|.M...........M..|
(trap frame and such)
[stkbckptr] [ lr ]
06b2d0f0 d2 4d d1 20 ff ff ff ff 05 ad e0 00 00 00 00 00 |.M. =
............|
(odd virtual lr address in lr area)
[stkbckptr] [ lr ]
06b2d030 d2 4d d0 f0 00 10 08 f8 00 00 07 00 d2 4d d0 f0 =
|.M...........M..|
(trap frame and such)
[stkbckptr] [ lr ]
06b2d000 d2 4d d0 30 00 4c d8 94 00 fc f8 c0 00 00 00 00 =
|.M.0.L..........|
0x4cd88c <__mtx_lock_sleep+376>: mr r3,r20
0x4cd890 <__mtx_lock_sleep+380>: bl 0x553358 <lock_delay>
0x4cd894 <__mtx_lock_sleep+384>: lwz r9,16(r27)
[stkbckptr] [ lr ]
06b2cf40 d2 4d d0 00 00 10 08 f8 00 00 07 00 d2 4d d0 00 =
|.M...........M..|
(trap frame and such)
[stkbckptr] [ lr ]
06b2cf10 d2 4d cf 40 d2 4d cf 38 00 d2 6f 20 d2 4d cf 20 |.M.@.M.8..o =
.M. |
(virtual lr address points back into the threads stack)
[stkbckptr] [ lr ]
06b2ce50 d2 4d cf 10 00 10 08 f8 00 00 07 00 d2 4d cf 10 =
|.M...........M..|
(trap frame and such)
[stkbckptr] [ lr ]
06b2ce20 d2 4d ce 50 00 8b e5 e4 00 d2 6f 20 d2 4d ce 30 |.M.P......o =
.M.0|
0x8be5d4 <moea64_pte_insert_native+136>: mr r3,r28
0x8be5d8 <moea64_pte_insert_native+140>: li r4,0
0x8be5dc <moea64_pte_insert_native+144>: li r5,0
0x8be5e0 <moea64_pte_insert_native+148>: bl 0x4ef784 =
<_rw_runlock_cookie>
0x8be5e4 <moea64_pte_insert_native+152>: stw r29,40(r27)
[stkbckptr] [ lr ]
06b2cd60 d2 4d ce 20 00 10 08 f8 00 00 07 00 d2 4d ce 20 |.M. =
.........M. |
(trap frame and such)
[stkbckptr] [ lr ]
06b2cd30 d2 4d cd 60 00 1b 8b 10 7f ff ff ff 00 00 00 04 =
|.M.`............|
0x1b8b08 <ata_begin_transaction+1252>: mr r10,r28
0x1b8b0c <ata_begin_transaction+1256>: bl 0x517c5c =
<callout_reset_sbt_on>
0x1b8b10 <ata_begin_transaction+1260>: li r3,0
[stkbckptr] [ lr ]
06b2cc70 d2 4d cd 30 00 10 08 f8 00 00 07 00 d2 4d cd 30 =
|.M.0.........M.0|
(trap frame and such)
And the next one is as was in the original
submittal: See below.
> [stkbckptr] [ lr ]
> 06b2cc40 d2 4d cc 70 00 ce 0f f8 d2 4d cc 50 d2 4d cc 50 =
|.M.p.....M.P.M.P|
>=20
> 0xce0fec <mmu_unmapdev_desc>: .long 0x0
> 0xce0ff0 <mmu_unmapdev_desc+4>: .long 0xce0fec
> 0xce0ff4 <mmu_unmapdev_desc+8>: .long 0x552698
> 0xce0ff8 <mmu_kextract_desc>: .long 0x0
> 0xce0ffc <mmu_kextract_desc+4>: .long 0xce0ff8
> 0xce1000 <mmu_kextract_desc+8>: .long 0x552698
>=20
> FYI: mmu_kextract should be tied to moea_kextract
> and moea_kextract starts at 0x008b107c .
>=20
> FYI:
>=20
> 0x552698 <kobj_error_method>: stwu r1,-32(r1)
> 0x55269c <kobj_error_method+4>: stw r31,24(r1)
> 0x5526a0 <kobj_error_method+8>: mr r31,r1
> 0x5526a4 <kobj_error_method+12>: li r3,6
> 0x5526a8 <kobj_error_method+16>: lwz r11,0(r1)
> 0x5526ac <kobj_error_method+20>: lwz r31,-8(r11)
> 0x5526b0 <kobj_error_method+24>: mr r1,r11
> 0x5526b4 <kobj_error_method+28>: blr
> 0x5526b8 <kobj_error_method+32>: .long 0x7cba74
>=20
>=20
> [stkbckptr] [ lr ]
> 06b2cb80 d2 4d cc 40 00 10 08 f8 00 00 07 00 d2 4d cc 40 =
|.M.@.........M.@|
> 06b2cb90 05 ad e0 00 00 00 00 00 d2 4d cc 78 00 00 07 00 =
|.........M.x....|
> 06b2cba0 ff ff dc d8 00 00 00 00 00 00 00 00 00 f6 58 00 =
|..............X.|
> 06b2cbb0 00 00 00 00 41 9b 13 ac 01 81 00 00 00 00 00 00 =
|....A...........|
> 06b2cbc0 00 00 00 01 00 00 00 02 43 1b de 83 01 81 33 68 =
|........C.....3h|
> 06b2cbd0 01 81 00 00 01 81 00 00 00 00 00 00 ff ff dd f0 =
|................|
> 06b2cbe0 00 00 04 e2 ff ff dd 70 00 00 00 50 d2 4d cc 78 =
|.......p...P.M.x|
> 06b2cbf0 05 ad e0 00 01 81 33 60 41 a1 e5 68 0a 00 00 00 =
|......3`A..h....|
> 06b2cc00 00 d2 7e 68 d2 4d cc 40 00 8e 7e 00 20 08 10 34 =
|..~h.M.@..~. ..4|
> [ lr ]
>=20
> 06b2cc10 00 00 00 00 00 00 00 00 00 00 00 00 00 08 10 32 =
|...............2|
>=20
> [exception]
> 06b2cc20 00 00 07 00 41 a1 e5 68 0a 00 00 00 d2 4d cc 30 =
|....A..h.....M.0|
> 06b2cc30 e0 be 40 00 00 d4 db 94 7f ff ff ff 00 d4 db 80 =
|..@.............|
>=20
> 0x1008ec <k_trap+280>: isync
> 0x1008f0 <trapagain>: addi r3,r1,8
> 0x1008f4 <trapagain+4>: bl 0x8e7c64 <powerpc_interrupt>
> 0x1008f8 <trapexit>: mfmsr r3
> 0x1008fc <trapexit+4>: andi. r3,r3,32767
>=20
> 0x8e7df0 <powerpc_interrupt+396>: mfmsr r0
> 0x8e7df4 <powerpc_interrupt+400>: or r0,r0,r9
> 0x8e7df8 <powerpc_interrupt+404>: mtmsr r0
> 0x8e7dfc <powerpc_interrupt+408>: isync
> 0x8e7e00 <powerpc_interrupt+412>: mr r3,r25
> 0x8e7e04 <powerpc_interrupt+416>: bl 0x8f231c <trap>
> 0x8e7e08 <powerpc_interrupt+420>: lwz r11,0(r1)
>=20
>=20
> [stkbckptr] [ lr ]
> 06b2cb50 d2 4d cb 80 00 8b 63 3c 00 d2 6b c0 d2 4d cb 60 =
|.M....c<..k..M.`|
>=20
> 0x8b6334 <moea64_pvo_find_va+32>: addi r4,r31,24
> 0x8b6338 <moea64_pvo_find_va+36>: bl 0x8ed944 =
<pvo_tree_RB_FIND>
> 0x8b633c <moea64_pvo_find_va+40>: lwz r11,0(r1)
>=20
> [stkbckptr] [ lr ]
> 06b2ca90 d2 4d cb 50 00 10 08 f8 00 00 07 00 d2 4d cb 50 =
|.M.P.........M.P|
> 06b2caa0 05 ad e0 00 00 00 00 00 d2 4d cb 88 00 00 07 00 =
|.........M......|
> 06b2cab0 ff ff dc d8 00 00 00 00 00 00 00 00 00 f6 58 00 =
|..............X.|
> 06b2cac0 00 00 00 00 41 9b 13 ac 01 81 00 00 00 00 00 00 =
|....A...........|
> 06b2cad0 00 00 00 01 00 00 00 02 43 1b de 83 01 81 33 68 =
|........C.....3h|
> 06b2cae0 01 81 00 00 01 81 00 00 00 00 00 00 ff ff dd f0 =
|................|
> 06b2caf0 00 00 04 e2 ff ff dd 70 00 00 00 50 d2 4d cb 88 =
|.......p...P.M..|
> 06b2cb00 05 ad e0 00 01 81 33 60 41 a1 e5 68 0a 00 00 00 =
|......3`A..h....|
> 06b2cb10 00 d2 7e 68 d2 4d cb 50 00 8e 7e 00 20 08 10 34 =
|..~h.M.P..~. ..4|
> [ lr ]
>=20
> 06b2cb20 00 00 00 00 00 00 00 00 00 00 00 00 00 08 10 32 =
|...............2|
>=20
> [exception]
> 06b2cc20 00 00 07 00 41 a1 e5 68 0a 00 00 00 d2 4d cc 30 =
|....A..h.....M.0|
> 06b2cb30 00 00 07 00 41 a1 e5 68 0a 00 00 00 fa 50 05 af =
|....A..h.....P..|
> 06b2cb40 e0 be 10 00 00 fc fd e0 00 d2 6d 9c d2 4d cb 50 =
|..........m..M.P|
>=20
> 0x1008ec <k_trap+280>: isync
> 0x1008f0 <trapagain>: addi r3,r1,8
> 0x1008f4 <trapagain+4>: bl 0x8e7c64 <powerpc_interrupt>
> 0x1008f8 <trapexit>: mfmsr r3
> 0x1008fc <trapexit+4>: andi. r3,r3,32767
>=20
> 0x8e7df0 <powerpc_interrupt+396>: mfmsr r0
> 0x8e7df4 <powerpc_interrupt+400>: or r0,r0,r9
> 0x8e7df8 <powerpc_interrupt+404>: mtmsr r0
> 0x8e7dfc <powerpc_interrupt+408>: isync
> 0x8e7e00 <powerpc_interrupt+412>: mr r3,r25
> 0x8e7e04 <powerpc_interrupt+416>: bl 0x8f231c <trap>
> 0x8e7e08 <powerpc_interrupt+420>: lwz r11,0(r1)
>=20
>=20
> [stkbckptr] [ lr ]
> 06b2ca60 d2 4d ca 90 fa 50 05 af fa 50 05 af fa 50 05 af =
|.M...P...P...P..|
>=20
> (Unknown virtual to physical for 0xfa5005af -> ?)
> This repeats after a matching trap frame as the
> stack use grows and grows.
>=20
> [stkbckptr] [ lr ]
> 06b2c9a0 d2 4d ca 60 00 10 08 f8 00 00 07 00 d2 4d ca 60 =
|.M.`.........M.`|
> 06b2c9b0 05 ad e0 00 00 00 00 00 d2 4d ca 98 00 00 07 00 =
|.........M......|
> 06b2c9c0 ff ff dc d8 00 00 00 00 00 00 00 00 00 f6 58 00 =
|..............X.|
> 06b2c9d0 00 00 00 00 41 9b 13 ac 01 81 00 00 00 00 00 00 =
|....A...........|
> 06b2c9e0 00 00 00 01 00 00 00 02 43 1b de 83 01 81 33 68 =
|........C.....3h|
> 06b2c9f0 01 81 00 00 01 81 00 00 00 00 00 00 ff ff dd f0 =
|................|
> 06b2ca00 00 00 04 e2 ff ff dd 70 00 00 00 50 d2 4d ca 98 =
|.......p...P.M..|
> 06b2ca10 05 ad e0 00 01 81 33 60 41 a1 e5 68 0a 00 00 00 =
|......3`A..h....|
> 06b2ca20 00 d2 7e 68 d2 4d ca 60 00 8e 7e 00 20 08 10 34 =
|..~h.M.`..~. ..4|
> [ lr ]
>=20
> 06b2ca30 00 00 00 00 00 00 00 00 00 00 00 00 00 08 10 32 =
|...............2|
>=20
> [exception]
> 06b2ca40 00 00 07 00 41 a1 e5 68 0a 00 00 00 fa 50 05 af =
|....A..h.....P..|
> 06b2ca50 fa 50 05 af fa 50 05 af fa 50 05 af fa 50 05 af =
|.P...P...P...P..|
>=20
> 0x1008ec <k_trap+280>: isync
> 0x1008f0 <trapagain>: addi r3,r1,8
> 0x1008f4 <trapagain+4>: bl 0x8e7c64 <powerpc_interrupt>
> 0x1008f8 <trapexit>: mfmsr r3
> 0x1008fc <trapexit+4>: andi. r3,r3,32767
>=20
> 0x8e7df0 <powerpc_interrupt+396>: mfmsr r0
> 0x8e7df4 <powerpc_interrupt+400>: or r0,r0,r9
> 0x8e7df8 <powerpc_interrupt+404>: mtmsr r0
> 0x8e7dfc <powerpc_interrupt+408>: isync
> 0x8e7e00 <powerpc_interrupt+412>: mr r3,r25
> 0x8e7e04 <powerpc_interrupt+416>: bl 0x8f231c <trap>
> 0x8e7e08 <powerpc_interrupt+420>: lwz r11,0(r1)
>=20
>=20
> . . . lots omitted repeating the lr being: fa 50 05 af
> then powerpc_interrupt being used via trapagain . . .
>=20
> [stkbckptr] [ lr ]
> 06b2a120 d2 4d a1 50 fa 50 05 af fa 50 05 af fa 50 05 af =
|.M.P.P...P...P..|
>=20
> (Unknown virtual to physical for 0xf15005af -> ?)
>=20
> [stkbckptr] [ lr ]
> 06b2a060 d2 4d a1 20 00 10 08 f8 00 00 07 00 d2 4d a1 20 |.M. =
.........M. |
> 06b2a070 05 ad e0 00 00 00 00 00 d2 4d a1 58 00 00 07 00 =
|.........M.X....|
> 06b2a080 ff ff dc d8 00 00 00 00 00 00 00 00 00 f6 58 00 =
|..............X.|
> 06b2a090 00 00 00 00 41 9b 13 ac 01 81 00 00 00 00 00 00 =
|....A...........|
> 06b2a0a0 00 00 00 01 00 00 00 02 43 1b de 83 01 81 33 68 =
|........C.....3h|
> 06b2a0b0 01 81 00 00 01 81 00 00 00 00 00 00 ff ff dd f0 =
|................|
> 06b2a0c0 00 00 04 e2 ff ff dd 70 00 00 00 50 d2 4d a1 58 =
|.......p...P.M.X|
> 06b2a0d0 05 ad e0 00 01 81 33 60 41 a1 e5 68 0a 00 00 00 =
|......3`A..h....|
> 06b2a0e0 00 d2 7e 68 d2 4d a1 20 00 8e 7e 00 20 08 10 34 |..~h.M. =
..~. ..4|
> [ lr ]
>=20
> 06b2a0f0 00 00 00 00 00 00 00 00 00 00 00 00 00 08 10 32 =
|...............2|
>=20
> [exception]
> 06b2a100 00 00 07 00 41 a1 e5 68 0a 00 00 00 fa 50 05 af =
|....A..h.....P..|
> 06b2a110 fa 50 05 af fa 50 05 af fa 50 05 af fa 50 05 af =
|.P...P...P...P..|
>=20
> 0x1008ec <k_trap+280>: isync
> 0x1008f0 <trapagain>: addi r3,r1,8
> 0x1008f4 <trapagain+4>: bl 0x8e7c64 <powerpc_interrupt>
> 0x1008f8 <trapexit>: mfmsr r3
> 0x1008fc <trapexit+4>: andi. r3,r3,32767
>=20
> 0x8e7df0 <powerpc_interrupt+396>: mfmsr r0
> 0x8e7df4 <powerpc_interrupt+400>: or r0,r0,r9
> 0x8e7df8 <powerpc_interrupt+404>: mtmsr r0
> 0x8e7dfc <powerpc_interrupt+408>: isync
> 0x8e7e00 <powerpc_interrupt+412>: mr r3,r25
> 0x8e7e04 <powerpc_interrupt+416>: bl 0x8f231c <trap>
> 0x8e7e08 <powerpc_interrupt+420>: lwz r11,0(r1)
>=20
>=20
> [stkbckptr] [ lr ]
> 06b2a030 d2 4d a0 60 fa 50 05 af fa 50 05 af fa 50 05 af =
|.M.`.P...P...P..|
>=20
> (Unknown virtual to physical for 0xf15005af -> ?)
>=20
> Then tmpstk ends up with:
>=20
> [stkbckptr] [ lr ]
> 00c78f40 d2 4d a0 30 00 10 0c 54 00 00 07 00 d2 4d a0 30 =
|.M.0...T.....M.0|
> 00c78f50 05 ad e0 00 00 00 00 00 d2 4d a0 68 00 00 07 00 =
|.........M.h....|
> 00c78f60 ff ff dc d8 00 00 00 00 00 00 00 00 00 f6 58 00 =
|..............X.|
> 00c78f70 00 00 00 00 41 9b 13 ac 01 81 00 00 00 00 00 00 =
|....A...........|
> 00c78f80 00 00 00 01 00 00 00 02 43 1b de 83 01 81 33 68 =
|........C.....3h|
> 00c78f90 01 81 00 00 01 81 00 00 00 00 00 00 ff ff dd f0 =
|................|
> 00c78fa0 00 00 04 e2 ff ff dd 70 00 00 00 50 d2 4d a0 68 =
|.......p...P.M.h|
> 00c78fb0 05 ad e0 00 01 81 33 60 00 8e 7e 00 20 08 10 34 =
|......3`..~. ..4|
> 00c78fc0 00 00 10 32 d2 4d a0 30 00 8e 7e 00 00 08 10 32 =
|...2.M.0..~....2|
> [ lr ]
>=20
> 00c78fd0 00 00 00 00 00 00 00 00 00 10 07 fc 00 00 10 32 =
|...............2|
>=20
> [exception]
> 00c78fe0 00 00 03 00 d2 4d 9f 70 42 00 00 00 01 c4 4f 00 =
|.....M.pB.....O.|
> 00c78ff0 00 00 00 00 00 10 01 40 00 00 00 00 00 00 00 00 =
|.......@........|
>=20
> 0x100c20 <dbtrap+240>: mfxer r3
> 0x100c24 <dbtrap+244>: mfctr r4
> 0x100c28 <dbtrap+248>: mfsprg r5,3
> 0x100c2c <dbtrap+252>: stw r3,144(r1)
> 0x100c30 <dbtrap+256>: stw r4,148(r1)
> 0x100c34 <dbtrap+260>: stw r5,160(r1)
> 0x100c38 <dbtrap+264>: stw r28,164(r1)
> 0x100c3c <dbtrap+268>: stw r29,168(r1)
> 0x100c40 <dbtrap+272>: stw r30,152(r1)
> 0x100c44 <dbtrap+276>: stw r31,156(r1)
> 0x100c48 <dbtrap+280>: lwz r2,0(r2)
> 0x100c4c <dbtrap+284>: addi r3,r1,8
> 0x100c50 <dbtrap+288>: bl 0x8f1cdc <db_trap_glue>
> 0x100c54 <dbtrap+292>: mr. r3,r3
> 0x100c58 <dbtrap+296>: bne- 0x100e3c <dbleave>
> 0x100c5c <dbtrap+300>: lwz r3,160(r1)
>=20
> 0x8e7df0 <powerpc_interrupt+396>: mfmsr r0
> 0x8e7df4 <powerpc_interrupt+400>: or r0,r0,r9
> 0x8e7df8 <powerpc_interrupt+404>: mtmsr r0
> 0x8e7dfc <powerpc_interrupt+408>: isync
> 0x8e7e00 <powerpc_interrupt+412>: mr r3,r25
> 0x8e7e04 <powerpc_interrupt+416>: bl 0x8f231c <trap>
> 0x8e7e08 <powerpc_interrupt+420>: lwz r11,0(r1)
>=20
>=20
> Before the db> prompt it reports:
>=20
> [ thread pid 960 tid 100110 ]
> Stopped at k_trap+0x28: stuw r31,-0xc0(r1)
>=20
> where (0x28=3D40 decimal):
>=20
> 0x001007d4 <k_trap+0>: mfsprg r31,0
> 0x001007d8 <k_trap+4>: mfsrr0 r30
> 0x001007dc <k_trap+8>: stw r30,168(r31)
> 0x001007e0 <k_trap+12>: mfsrr1 r30
> 0x001007e4 <k_trap+16>: stw r30,172(r31)
> 0x001007e8 <k_trap+20>: mfmsr r30
> 0x001007ec <k_trap+24>: ori r30,r30,50
> 0x001007f0 <k_trap+28>: mtmsr r30
> 0x001007f4 <k_trap+32>: isync
> 0x001007f8 <k_trap+36>: mfsprg r31,1
> 0x001007fc <k_trap+40>: stwu r31,-192(r1)
> 0x00100800 <k_trap+44>: stw r0,8(r1)
> 0x00100804 <k_trap+48>: stw r31,12(r1)
>=20
> (-192 decimal =3D -0xc0)
>=20
> r1 reported as: 0xd24da030 .
>=20
> dar reported as: 0xd24d9f70 .
> (0xd24da030 - 0xc0 =3D0xd24d9f70)
> So out of range for the thread's stack:
> pid 960 tid 100110 "powerpd" with=20
> stack 0xd24da000-0xd24ddfff (virtual).
=3D=3D=3D
Mark Millard
markmi at dsl-only.net
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