Date: Tue, 25 Mar 2014 13:30:35 +0100 From: Ralf Wenk <iz-rpi03@hs-karlsruhe.de> To: arm@freebsd.org Subject: Experimental TARGET_ARCH armv6hf crashes on my RPi afer some time Message-ID: <E1WSQV2-006haE-3I@smtp.hs-karlsruhe.de>
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Hi,
I tried the new experimental TARGET_ARCH armv6hf on my raspberry pi.
World and kernel are build with
make -j 8 -C =24SRCROOT MALLOC_PRODUCTION=3Dyes buildworld
make -j 8 -C =24SRCROOT KERNCONF=3D=24KERNCONF WITH_FDT=3Dyes buildkern=
el
and installed over a normal armv6 kernel and world. The release used was
FreeBSD 11.0-CURRENT =230 r263667M.
Within an hour since boot the system panics with an undefined floating po=
int
instruction in supervisor mode.
This happened during a shutdown - but not on every shutdown - and during
normal system activity. On every shutdown there is a
sleep: nanosleep: Invalid argument
message printed in the console.
I do not file a bug report because of the experimental state of armv6hf.
Gathered information from two panics:
panic: undefined floating point instruction in supervisor mode
KDB: enter: panic
=5B thread pid 509 tid 100056 =5D
Stopped at =24d: ldrb r15, =5Br15, r15, ror r15=5D=21
db> bt
Tracing pid 509 tid 100056 td 0xc2675320
db_trace_self() at db_trace_self
pc =3D 0xc04a38a0 lr =3D 0xc0136184 (db_stack_trace+0xf4)
sp =3D 0xdd794668 fp =3D 0xdd794680
r10 =3D 0xc05c29f0
db_stack_trace() at db_stack_trace+0xf4
pc =3D 0xc0136184 lr =3D 0xc0135b3c (db_command+0x270)
sp =3D 0xdd794688 fp =3D 0xdd794728
r4 =3D 0x00000000 r5 =3D 0x00000000
r6 =3D 0x00000000
db_command() at db_command+0x270
pc =3D 0xc0135b3c lr =3D 0xc01358a0 (db_command_loop+0x60)
sp =3D 0xdd794730 fp =3D 0xdd794740
r4 =3D 0xc04e1377 r5 =3D 0xc04f5222
r6 =3D 0xc05c29dc r7 =3D 0xdd794928
r8 =3D 0xc05b92f0 r9 =3D 0xc05b92f4
r10 =3D 0xc0577c30
db_command_loop() at db_command_loop+0x60
pc =3D 0xc01358a0 lr =3D 0xc013831c (db_trap+0xd8)
sp =3D 0xdd794748 fp =3D 0xdd794868
r4 =3D 0x00000000 r5 =3D 0xc05c29e8
r6 =3D 0xc05b9320
db_trap() at db_trap+0xd8
pc =3D 0xc013831c lr =3D 0xc02c2274 (kdb_trap+0xcc)
sp =3D 0xdd794870 fp =3D 0xdd794890
r4 =3D 0x00000000 r5 =3D 0x00000001
r6 =3D 0xc05b9320 r7 =3D 0xdd794928
kdb_trap() at kdb_trap+0xcc
pc =3D 0xc02c2274 lr =3D 0xc04b8eb0 (undefinedinstruction+0x2f8=
)
sp =3D 0xdd794898 fp =3D 0xdd794920
r4 =3D 0x00000000 r5 =3D 0x00000000
r6 =3D 0xc04b8b08 r7 =3D 0xe7ffffff
r8 =3D 0xc2675320 r9 =3D 0xc02c1b34
r10 =3D 0xdd794928
undefinedinstruction() at undefinedinstruction+0x2f8
pc =3D 0xc04b8eb0 lr =3D 0xc04a5410 (exception_exit)
sp =3D 0xdd794928 fp =3D 0xdd794980
r4 =3D 0xc04f527c r5 =3D 0xc050fe47
r6 =3D 0xc05c4460 r7 =3D 0xc05ab848
r8 =3D 0xdd7949b4 r9 =3D 0xc2675320
r10 =3D 0xc05ab7d0
exception_exit() at exception_exit
pc =3D 0xc04a5410 lr =3D 0xc02c1b28 (kdb_enter+0x40)
sp =3D 0xdd794978 fp =3D 0xdd794980
r0 =3D 0xc05b9304 r1 =3D 0x00000000
r2 =3D 0x00000001 r3 =3D 0x00000001
r4 =3D 0xc04f527c r5 =3D 0xc050fe47
r6 =3D 0xc05c4460 r7 =3D 0xc05ab848
r8 =3D 0xdd7949b4 r9 =3D 0xc2675320
r10 =3D 0xc05ab7d0 r12 =3D 0x00000000
=24a() at =24a
pc =3D 0xc02c1b38 lr =3D 0xc0285b54 (panic+0xc4)
sp =3D 0xdd794988 fp =3D 0xdd7949a8
r4 =3D 0x00000100
panic() at panic+0xc4
pc =3D 0xc0285b54 lr =3D 0xc04b991c (=24d)
sp =3D 0xdd7949c0 fp =3D 0xdd7949c0
r4 =3D 0x00000000 r5 =3D 0xc05c2890
r6 =3D 0xc04b985c r7 =3D 0xeca00b20
r8 =3D 0xc2675320 r9 =3D 0xc04b9940
r10 =3D 0xdd794a58
=24d() at =24d
pc =3D 0xc04b991c lr =3D 0xc04b8cac (undefinedinstruction+0xf4)=
sp =3D 0xdd7949c8 fp =3D 0xdd794a50
undefinedinstruction() at undefinedinstruction+0xf4
pc =3D 0xc04b8cac lr =3D 0xc04a5410 (exception_exit)
sp =3D 0xdd794a58 fp =3D 0xdd794ad0
r4 =3D 0xc2884640 r5 =3D 0xc2675320
r6 =3D 0xc05c4640 r7 =3D 0xc05c7ec0
r8 =3D 0x8791dcd3 r9 =3D 0xdd758eb8
r10 =3D 0xc059e9e0
exception_exit() at exception_exit
pc =3D 0xc04a5410 lr =3D 0xc04b6c80 (cpu_switch+0x60)
sp =3D 0xdd794aa8 fp =3D 0xdd794ad0
r0 =3D 0xdd794ef0 r1 =3D 0x00000001
r2 =3D 0xdd794eb8 r3 =3D 0x00000000
r4 =3D 0xc2884640 r5 =3D 0xc2675320
r6 =3D 0xc05c4640 r7 =3D 0xc05c7ec0
r8 =3D 0x8791dcd3 r9 =3D 0xdd758eb8
r10 =3D 0xc059e9e0 r12 =3D 0xc0000780
vfp_store() at vfp_store+0x14
pc =3D 0xc04b9940 lr =3D 0xc04b6c80 (cpu_switch+0x60)
sp =3D 0xdd794aa8 fp =3D 0xdd794ad0
Unwind failure (no registers changed)
db>=20
db> show proc 509
Process 509 (devd) at 0xc25c4640:
state: NORMAL
uid: 0 gids: 0
parent: pid 1 at 0xc2431640
ABI: FreeBSD ELF32
arguments: /sbin/devd
threads: 1
100056 Run CPU 255 devd
db>
db> show thread 100056
Thread 100056 at 0xc2675320:
proc (pid 509): 0xc25c4640
name: devd
stack: 0xdd757000-0xdd758fff
flags: 0x1000004 pflags: 0
state: RUNNING (CPU 255)
priority: 140
container lock: sched lock (0xc05c4640)
db>=20
system shutdown time has arrived
sleep: nanosleep: Invalid argument
panic: undefined floating point instruction in supervisor mode
KDB: enter: panic
=5B thread pid 11 tid 100005 =5D
Stopped at =24d: ldrb r15, =5Br15, r15, ror r15=5D=21
db> bt =20
Tracing pid 11 tid 100005 td 0xc2433960
db_trace_self() at db_trace_self
pc =3D 0xc04a38a0 lr =3D 0xc0136184 (db_stack_trace+0xf4)
sp =3D 0xdd749360 fp =3D 0xdd749378
r10 =3D 0xc05c29f0
db_stack_trace() at db_stack_trace+0xf4
pc =3D 0xc0136184 lr =3D 0xc0135b3c (db_command+0x270)
sp =3D 0xdd749380 fp =3D 0xdd749420
r4 =3D 0x00000000 r5 =3D 0x00000000
r6 =3D 0x00000000
db_command() at db_command+0x270
pc =3D 0xc0135b3c lr =3D 0xc01358a0 (db_command_loop+0x60)
sp =3D 0xdd749428 fp =3D 0xdd749438
r4 =3D 0xc04e1377 r5 =3D 0xc04f5222
r6 =3D 0xc05c29dc r7 =3D 0xdd749620
r8 =3D 0xc05b92f0 r9 =3D 0xc05b92f4
r10 =3D 0xc0577c30
db_command_loop() at db_command_loop+0x60
pc =3D 0xc01358a0 lr =3D 0xc013831c (db_trap+0xd8)
sp =3D 0xdd749440 fp =3D 0xdd749560
r4 =3D 0x00000000 r5 =3D 0xc05c29e8
r6 =3D 0xc05b9320
db_trap() at db_trap+0xd8
pc =3D 0xc013831c lr =3D 0xc02c2274 (kdb_trap+0xcc)
sp =3D 0xdd749568 fp =3D 0xdd749588
r4 =3D 0x00000000 r5 =3D 0x00000001
r6 =3D 0xc05b9320 r7 =3D 0xdd749620
kdb_trap() at kdb_trap+0xcc
pc =3D 0xc02c2274 lr =3D 0xc04b8eb0 (undefinedinstruction+0x2f8=
)
sp =3D 0xdd749590 fp =3D 0xdd749618
r4 =3D 0x00000000 r5 =3D 0x00000000
r6 =3D 0xc04b8b08 r7 =3D 0xe7ffffff
r8 =3D 0xc2433960 r9 =3D 0xc02c1b34
r10 =3D 0xdd749620
undefinedinstruction() at undefinedinstruction+0x2f8
pc =3D 0xc04b8eb0 lr =3D 0xc04a5410 (exception_exit)
sp =3D 0xdd749620 fp =3D 0xdd749678
r4 =3D 0xc04f527c r5 =3D 0xc050fe47
r6 =3D 0xc05c4460 r7 =3D 0xc05ab848
r8 =3D 0xdd7496ac r9 =3D 0xc2433960
r10 =3D 0xc05ab7d0
exception_exit() at exception_exit
pc =3D 0xc04a5410 lr =3D 0xc02c1b28 (kdb_enter+0x40)
sp =3D 0xdd749670 fp =3D 0xdd749678
r0 =3D 0xc05b9304 r1 =3D 0x00000000
r2 =3D 0x00000001 r3 =3D 0x00000001
r4 =3D 0xc04f527c r5 =3D 0xc050fe47
r6 =3D 0xc05c4460 r7 =3D 0xc05ab848
r8 =3D 0xdd7496ac r9 =3D 0xc2433960
r10 =3D 0xc05ab7d0 r12 =3D 0x00000000
=24a() at =24a
pc =3D 0xc02c1b38 lr =3D 0xc0285b54 (panic+0xc4)
sp =3D 0xdd749680 fp =3D 0xdd7496a0
r4 =3D 0x00000100
panic() at panic+0xc4
pc =3D 0xc0285b54 lr =3D 0xc04b991c (=24d)
sp =3D 0xdd7496b8 fp =3D 0xdd7496b8
r4 =3D 0x00000000 r5 =3D 0xc05c2890
r6 =3D 0xc04b985c r7 =3D 0xeca00b20
r8 =3D 0xc2433960 r9 =3D 0xc04b9940
r10 =3D 0xdd749750
=24d() at =24d
pc =3D 0xc04b991c lr =3D 0xc04b8cac (undefinedinstruction+0xf4)=
sp =3D 0xdd7496c0 fp =3D 0xdd749748
undefinedinstruction() at undefinedinstruction+0xf4
pc =3D 0xc04b8cac lr =3D 0xc04a5410 (exception_exit)
sp =3D 0xdd749750 fp =3D 0xdd7497c8
r4 =3D 0xc25a8000 r5 =3D 0xc2433960
r6 =3D 0xc05c4640 r7 =3D 0xc05c7ec0
r8 =3D 0x5aee06ac r9 =3D 0xdb3abeb8
r10 =3D 0xc059e9e0
exception_exit() at exception_exit
pc =3D 0xc04a5410 lr =3D 0xc04b6c80 (cpu_switch+0x60)
sp =3D 0xdd7497a0 fp =3D 0xdd7497c8
r0 =3D 0xdd749ef0 r1 =3D 0x00000001
r2 =3D 0xdd749eb8 r3 =3D 0x00000000
r4 =3D 0xc25a8000 r5 =3D 0xc2433960
r6 =3D 0xc05c4640 r7 =3D 0xc05c7ec0
r8 =3D 0x5aee06ac r9 =3D 0xdb3abeb8
r10 =3D 0xc059e9e0 r12 =3D 0xc0000708
vfp_store() at vfp_store+0x14
pc =3D 0xc04b9940 lr =3D 0xc04b6c80 (cpu_switch+0x60)
sp =3D 0xdd7497a0 fp =3D 0xdd7497c8
Unwind failure (no registers changed)
db> show proc 11
Process 11 (intr) at 0xc2431000:
state: NORMAL
uid: 0 gids: 0
parent: pid 0 at 0xc05c3658
ABI: null
threads: 24
100034 I =5Bintr17: dwcotg0=
=5D
100033 I =5Bswi0: uart=5D
100032 I =5Bintr70: sdhci_bcm=
0=5D
100031 I =5Bintr1: mbox0=5D
100030 I =5Bintr35: bcm_dma0=
=5D
100029 I =5Bintr34: bcm_dma0=
=5D
100028 I =5Bintr33: bcm_dma0=
=5D
100027 I =5Bintr32: bcm_dma0=
=5D
100026 I =5Bintr31: bcm_dma0=
=5D
100025 I =5Bintr30: bcm_dma0=
=5D
100024 I =5Bintr29: bcm_dma0=
=5D
100023 I =5Bintr28: bcm_dma0=
=5D
100022 I =5Bintr27: bcm_dma0=
=5D
100021 I =5Bintr26: bcm_dma0=
=5D
100020 I =5Bintr25: bcm_dma0=
=5D
100019 I =5Bintr24: bcm_dma0=
=5D
100018 I =5Bintr62: spi0=5D
100017 I =5Bintr61: iichb0+=
=5D
100015 I =5Bswi6: Giant taskq=
=5D
100014 I =5Bswi6: task queue=
=5D
100010 I =5Bswi5: fast taskq=
=5D
100005 Run CPU 255 =5Bswi4: clock (0)=
=5D
100004 I =5Bswi3: vm=5D
100003 I =5Bswi1: netisr 0=5D=
db> sh thread 100005
Thread 100005 at 0xc2433960:
proc (pid 11): 0xc2431000
name: swi4: clock (0)
stack: 0xdb3aa000-0xdb3abfff
flags: 0x1000004 pflags: 0x200400
state: RUNNING (CPU 255)
priority: 40
container lock: sched lock (0xc05c4640)
db>=20
Ralf
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