Date: Wed, 13 Mar 2002 08:48:21 -0600 From: "Guy Helmer" <ghelmer@palisadesys.com> To: <net@freebsd.org> Subject: Crashes in fxp driver with polling enabled Message-ID: <FPEBKMIFGFHCGLLKBLMMGEHCCAAA.ghelmer@palisadesys.com>
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I am encountering a problem in the fxp driver that seems to be exposed by
enabling polling under high packet load (~12000pps). I have been
corresponding with Luigi regarding this problem but would like to see if
anyone else might have any ideas that could help.
I'm using FreeBSD 4.5-stable kernels on two completely different hardware
platforms, a P-III 800 Intel ISP1100 and a homebrew Celeron with an Intel
EtherExpress Pro-100B. Both machines panic with the same results. The
machines panic with a kernel page fault, usually right after I enable
polling but sometimes the machines will keep running until I do some other
I/O-intensive tasks or run "top".
There usually isn't an IP address on the fxp interface, but the interface is
UP and listening to packets in promiscuous mode. I have verified that the
crashes do occur when there is an IP address on the interface and when the
interface is not in promiscuous mode.
I noticed that after the kernel page fault trap occurs, fxp0 is sending the
same bogus frame (containing junk) every millisecond or so. I don't
understand why fxp0 is sending anything because the machine shouldn't be
transmitting anything on that interface. I have the exact same code running
on a system that has a SIS interface, and that system runs fine.
The crash occurs in line 1847 of if_fxp.c: MCLGET(m, M_DONTWAIT) (in the
expansion of MCLALLOC()). It looks like there is a bad index generated by
mtocl(_mp) when "mclrefcnt[mtocl(_mp)]++;" is performed. mclfree is
0xc0306524 and mbutl is 0xc0306578 after the crash. I think there is some
free mbuf list corruption triggered somewhere else in the driver, but I
can't find anything in if_fxp.c that looks suspicious.
Backtrace:
fxp_add_rfabuf(c04e1400, c04e2900) at fxp_add_rfabuf+0x9f
fxp_intr_body(c04e1400, e0, 3, 0, 5) at fxp_intr_body+0xd8
fxp_poll(c04e1400, 0, 5) at fxp_poll+0x9a
netisr_poll(c026b4cf, bfbf002f, bfbf002f, bfbf002f) at netisr_poll+0x16b
swi_net_next() at swi_net_next
Registers:
eax: 0x01bfb12
ecx: 0xa026b000
edx: 0xc04d7000
ebx: 0xc052ae00
esp: 0xc3cdbf1c
ebp: 0xc3cdbf2c
esi: 0x660c00
edi: 0xc052ae00
eip: 0xc0137d87
cs: 0x8
ds: 0xc0190010
es: 0xc3cd0010
fs: c04e0010
ss: 0x10
objdump of fxp_add_rfabuf:
00002f58 <fxp_add_rfabuf>:
fxp_add_rfabuf():
2f58: 55 push %ebp
2f59: 89 e5 mov %esp,%ebp
2f5b: 83 ec 04 sub $0x4,%esp
2f5e: 57 push %edi
2f5f: 56 push %esi
2f60: 53 push %ebx
2f61: bf 01 00 00 00 mov $0x1,%edi
2f66: bb 01 00 00 00 mov $0x1,%ebx
2f6b: e8 fc ff ff ff call 2f6c <fxp_add_rfabuf+0x14>
2f70: 89 c6 mov %eax,%esi
2f72: 83 3d 00 00 00 00 00 cmpl $0x0,0x0
2f79: 75 0d jne 2f88 <fxp_add_rfabuf+0x30>
2f7b: 6a 01 push $0x1
2f7d: 6a 01 push $0x1
2f7f: e8 fc ff ff ff call 2f80 <fxp_add_rfabuf+0x28>
2f84: 83 c4 08 add $0x8,%esp
2f87: 90 nop
2f88: 8b 15 00 00 00 00 mov 0x0,%edx
2f8e: 85 d2 test %edx,%edx
2f90: 0f 85 16 01 00 00 jne 30ac <fxp_add_rfabuf+0x154>
2f96: 56 push %esi
2f97: e8 fc ff ff ff call 2f98 <fxp_add_rfabuf+0x40>
2f9c: 53 push %ebx
2f9d: 57 push %edi
2f9e: e8 fc ff ff ff call 2f9f <fxp_add_rfabuf+0x47>
2fa3: 89 c2 mov %eax,%edx
2fa5: 83 c4 0c add $0xc,%esp
2fa8: 85 d2 test %edx,%edx
2faa: 75 08 jne 2fb4 <fxp_add_rfabuf+0x5c>
2fac: 85 ff test %edi,%edi
2fae: 0f 84 e4 00 00 00 je 3098 <fxp_add_rfabuf+0x140>
2fb4: 89 d7 mov %edx,%edi
2fb6: 85 ff test %edi,%edi
2fb8: 0f 84 46 01 00 00 je 3104 <fxp_add_rfabuf+0x1ac>
2fbe: 89 fb mov %edi,%ebx
2fc0: e8 fc ff ff ff call 2fc1 <fxp_add_rfabuf+0x69>
2fc5: 89 c6 mov %eax,%esi
2fc7: 83 3d 00 00 00 00 00 cmpl $0x0,0x0
2fce: 75 0c jne 2fdc <fxp_add_rfabuf+0x84>
2fd0: 6a 01 push $0x1
2fd2: 6a 01 push $0x1
2fd4: e8 fc ff ff ff call 2fd5 <fxp_add_rfabuf+0x7d>
2fd9: 83 c4 08 add $0x8,%esp
2fdc: 8b 0d 00 00 00 00 mov 0x0,%ecx
2fe2: 85 c9 test %ecx,%ecx
2fe4: 74 32 je 3018 <fxp_add_rfabuf+0xc0>
2fe6: 89 c8 mov %ecx,%eax
2fe8: 2b 05 00 00 00 00 sub 0x0,%eax
2fee: c1 e8 0b shr $0xb,%eax
2ff1: 8b 15 00 00 00 00 mov 0x0,%edx
2ff7: fe 04 10 incb (%eax,%edx,1)
2ffa: ff 0d 0c 00 00 00 decl 0xc
3000: 8b 01 mov (%ecx),%eax
3002: a3 00 00 00 00 mov %eax,0x0
3007: 89 4b 2c mov %ecx,0x2c(%ebx)
300a: 56 push %esi
300b: e8 fc ff ff ff call 300c <fxp_add_rfabuf+0xb4>
3010: 83 c4 04 add $0x4,%esp
3013: eb 26 jmp 303b <fxp_add_rfabuf+0xe3>
3015: 8d 76 00 lea 0x0(%esi),%esi
3018: 56 push %esi
3019: e8 fc ff ff ff call 301a <fxp_add_rfabuf+0xc2>
301e: 83 c4 04 add $0x4,%esp
3021: b8 01 00 00 00 mov $0x1,%eax
3026: 85 c0 test %eax,%eax
3028: 75 0a jne 3034 <fxp_add_rfabuf+0xdc>
302a: e8 fc ff ff ff call 302b <fxp_add_rfabuf+0xd3>
302f: 89 43 2c mov %eax,0x2c(%ebx)
3032: eb 07 jmp 303b <fxp_add_rfabuf+0xe3>
3034: c7 43 2c 00 00 00 00 movl $0x0,0x2c(%ebx)
303b: 83 7b 2c 00 cmpl $0x0,0x2c(%ebx)
303f: 74 1f je 3060 <fxp_add_rfabuf+0x108>
3041: 8b 43 2c mov 0x2c(%ebx),%eax
3044: 89 43 08 mov %eax,0x8(%ebx)
3047: 80 4b 12 01 orb $0x1,0x12(%ebx)
304b: c7 43 30 00 00 00 00 movl $0x0,0x30(%ebx)
3052: c7 43 38 00 00 00 00 movl $0x0,0x38(%ebx)
3059: c7 43 34 00 08 00 00 movl $0x800,0x34(%ebx)
3060: f6 47 12 01 testb $0x1,0x12(%edi)
3064: 0f 85 c0 00 00 00 jne 312a <fxp_add_rfabuf+0x1d2>
306a: 68 00 04 00 00 push $0x400
306f: 8b 55 08 mov 0x8(%ebp),%edx
3072: ff b2 50 01 00 00 pushl 0x150(%edx)
3078: e8 fc ff ff ff call 3079 <fxp_add_rfabuf+0x121>
307d: 57 push %edi
307e: e8 fc ff ff ff call 307f <fxp_add_rfabuf+0x127>
3083: 83 7d 0c 00 cmpl $0x0,0xc(%ebp)
3087: 0f 85 94 00 00 00 jne 3121 <fxp_add_rfabuf+0x1c9>
308d: b8 01 00 00 00 mov $0x1,%eax
3092: e9 4e 01 00 00 jmp 31e5 <fxp_add_rfabuf+0x28d>
3097: 90 nop
3098: 53 push %ebx
3099: 6a 01 push $0x1
309b: e8 fc ff ff ff call 309c <fxp_add_rfabuf+0x144>
30a0: 89 c7 mov %eax,%edi
30a2: 83 c4 08 add $0x8,%esp
30a5: e9 0c ff ff ff jmp 2fb6 <fxp_add_rfabuf+0x5e>
30aa: 89 f6 mov %esi,%esi
30ac: 8b 02 mov (%edx),%eax
30ae: a3 00 00 00 00 mov %eax,0x0
30b3: ff 0d 00 00 00 00 decl 0x0
30b9: 66 89 5a 10 mov %bx,0x10(%edx)
30bd: ff 04 9d 00 00 00 00 incl 0x0(,%ebx,4)
30c4: c7 02 00 00 00 00 movl $0x0,(%edx)
30ca: c7 42 04 00 00 00 00 movl $0x0,0x4(%edx)
30d1: 8d 42 2c lea 0x2c(%edx),%eax
30d4: 89 42 08 mov %eax,0x8(%edx)
30d7: 66 c7 42 12 02 00 movw $0x2,0x12(%edx)
30dd: c7 42 14 00 00 00 00 movl $0x0,0x14(%edx)
30e4: c7 42 20 00 00 00 00 movl $0x0,0x20(%edx)
30eb: c7 42 28 00 00 00 00 movl $0x0,0x28(%edx)
30f2: 89 d7 mov %edx,%edi
30f4: 56 push %esi
30f5: e8 fc ff ff ff call 30f6 <fxp_add_rfabuf+0x19e>
30fa: 83 c4 04 add $0x4,%esp
30fd: e9 b4 fe ff ff jmp 2fb6 <fxp_add_rfabuf+0x5e>
3102: 89 f6 mov %esi,%esi
3104: 68 40 04 00 00 push $0x440
3109: 8b 55 08 mov 0x8(%ebp),%edx
310c: ff b2 50 01 00 00 pushl 0x150(%edx)
3112: e8 fc ff ff ff call 3113 <fxp_add_rfabuf+0x1bb>
3117: 83 7d 0c 00 cmpl $0x0,0xc(%ebp)
311b: 0f 84 6c ff ff ff je 308d <fxp_add_rfabuf+0x135>
3121: 8b 7d 0c mov 0xc(%ebp),%edi
3124: 8b 47 2c mov 0x2c(%edi),%eax
3127: 89 47 08 mov %eax,0x8(%edi)
312a: 8b 47 08 mov 0x8(%edi),%eax
312d: 8d 48 02 lea 0x2(%eax),%ecx
3130: 8d 50 12 lea 0x12(%eax),%edx
3133: 89 57 08 mov %edx,0x8(%edi)
3136: 66 c7 41 0e ee 07 movw $0x7ee,0xe(%ecx)
313c: 66 c7 40 02 00 00 movw $0x0,0x2(%eax)
3142: 66 c7 41 02 00 80 movw $0x8000,0x2(%ecx)
3148: 66 c7 41 0c 00 00 movw $0x0,0xc(%ecx)
314e: c7 45 fc ff ff ff ff movl $0xffffffff,0xfffffffc(%ebp)
3155: 8b 55 fc mov 0xfffffffc(%ebp),%edx
3158: 89 50 06 mov %edx,0x6(%eax)
315b: 8b 55 fc mov 0xfffffffc(%ebp),%edx
315e: 89 50 0a mov %edx,0xa(%eax)
3161: 8b 45 08 mov 0x8(%ebp),%eax
3164: 83 b8 08 01 00 00 00 cmpl $0x0,0x108(%eax)
316b: 74 5b je 31c8 <fxp_add_rfabuf+0x270>
316d: 8b 80 0c 01 00 00 mov 0x10c(%eax),%eax
3173: 8b 58 2c mov 0x2c(%eax),%ebx
3176: 83 c3 02 add $0x2,%ebx
3179: 89 38 mov %edi,(%eax)
317b: 89 c8 mov %ecx,%eax
317d: c1 e8 16 shr $0x16,%eax
3180: 8b 14 85 00 00 00 00 mov 0x0(,%eax,4),%edx
3187: 84 d2 test %dl,%dl
3189: 7d 11 jge 319c <fxp_add_rfabuf+0x244>
318b: 81 e2 00 00 c0 ff and $0xffc00000,%edx
3191: 89 c8 mov %ecx,%eax
3193: 25 ff ff 3f 00 and $0x3fffff,%eax
3198: eb 1b jmp 31b5 <fxp_add_rfabuf+0x25d>
319a: 89 f6 mov %esi,%esi
319c: 89 c8 mov %ecx,%eax
319e: c1 e8 0c shr $0xc,%eax
31a1: 8b 14 85 00 00 00 00 mov 0x0(,%eax,4),%edx
31a8: 81 e2 00 f0 ff ff and $0xfffff000,%edx
31ae: 89 c8 mov %ecx,%eax
31b0: 25 ff 0f 00 00 and $0xfff,%eax
31b5: 09 c2 or %eax,%edx
31b7: 89 55 fc mov %edx,0xfffffffc(%ebp)
31ba: 89 d0 mov %edx,%eax
31bc: 89 43 04 mov %eax,0x4(%ebx)
31bf: 66 c7 43 02 00 00 movw $0x0,0x2(%ebx)
31c5: eb 0a jmp 31d1 <fxp_add_rfabuf+0x279>
31c7: 90 nop
31c8: 8b 55 08 mov 0x8(%ebp),%edx
31cb: 89 ba 08 01 00 00 mov %edi,0x108(%edx)
31d1: 8b 45 08 mov 0x8(%ebp),%eax
31d4: 89 b8 0c 01 00 00 mov %edi,0x10c(%eax)
31da: 3b 7d 0c cmp 0xc(%ebp),%edi
31dd: 0f 94 c0 sete %al
31e0: 25 ff 00 00 00 and $0xff,%eax
31e5: 8d 65 f0 lea 0xfffffff0(%ebp),%esp
31e8: 5b pop %ebx
31e9: 5e pop %esi
31ea: 5f pop %edi
31eb: c9 leave
31ec: c3 ret
31ed: 8d 76 00 lea 0x0(%esi),%esi
The assembler code generated by the compiler for fxp_add_rfabuf:
.stabs "fxp_add_rfabuf:f(0,1)",36,0,1840,fxp_add_rfabuf
.stabs "sc:p(0,28)",160,0,1839,8
.stabs "oldm:p(20,2)",160,0,1839,12
.type fxp_add_rfabuf,@function
fxp_add_rfabuf:
.LBB1061:
.LBB1062:
pushl %ebp
movl %esp,%ebp
subl $4,%esp
pushl %edi
pushl %esi
pushl %ebx
.stabn 68,0,1845,.LM2786-fxp_add_rfabuf
.LM2786:
movl $1,%edi
movl $1,%ebx
call splimp
movl %eax,%esi
cmpl $0,mmbfree
jne .L1934
pushl $1
pushl $1
call m_mballoc
addl $8,%esp
.p2align 2,0x90
.L1934:
movl mmbfree,%edx
testl %edx,%edx
jne .L1968
pushl %esi
call splx
pushl %ebx
pushl %edi
call m_retryhdr
movl %eax,%edx
addl $12,%esp
testl %edx,%edx
jne .L1937
testl %edi,%edi
je .L1969
.L1937:
movl %edx,%edi
.LBE1062:
.L1932:
.stabn 68,0,1846,.LM2787-fxp_add_rfabuf
.LM2787:
testl %edi,%edi
je .L1940
.stabn 68,0,1847,.LM2788-fxp_add_rfabuf
.LM2788:
.LBB1063:
movl %edi,%ebx
.LBB1064:
call splimp
movl %eax,%esi
cmpl $0,mclfree
jne .L1947
pushl $1
pushl $1
call m_clalloc
addl $8,%esp
.p2align 2,0x90
.L1947:
movl mclfree,%ecx
testl %ecx,%ecx
je .L1948
movl %ecx,%eax
subl mbutl,%eax
shrl $11,%eax
movl mclrefcnt,%edx
incb (%eax,%edx)
decl mbstat+12
movl (%ecx),%eax
movl %eax,mclfree
movl %ecx,44(%ebx)
pushl %esi
call splx
addl $4,%esp
jmp .L1945
.p2align 2,0x90
.L1948:
pushl %esi
call splx
addl $4,%esp
movl $1,%eax
testl %eax,%eax
jne .L1950
call m_clalloc_wait
movl %eax,44(%ebx)
jmp .L1945
.p2align 2,0x90
.L1950:
movl $0,44(%ebx)
.LBE1064:
.L1945:
cmpl $0,44(%ebx)
je .L1942
movl 44(%ebx),%eax
movl %eax,8(%ebx)
orb $1,18(%ebx)
movl $0,48(%ebx)
movl $0,56(%ebx)
movl $2048,52(%ebx)
.LBE1063:
.L1942:
.stabn 68,0,1848,.LM2789-fxp_add_rfabuf
.LM2789:
testb $1,18(%edi)
jne .L1957
.stabn 68,0,1849,.LM2790-fxp_add_rfabuf
.LM2790:
pushl $.LC40
movl 8(%ebp),%edx
pushl 336(%edx)
call device_printf
.stabn 68,0,1851,.LM2791-fxp_add_rfabuf
.LM2791:
pushl %edi
call m_freem
.stabn 68,0,1852,.LM2792-fxp_add_rfabuf
.LM2792:
cmpl $0,12(%ebp)
jne .L1958
.stabn 68,0,1853,.LM2793-fxp_add_rfabuf
.LM2793:
.L1970:
movl $1,%eax
jmp .L1967
.p2align 2,0x90
.L1969:
pushl %ebx
pushl $1
call m_mballoc_wait
movl %eax,%edi
addl $8,%esp
jmp .L1932
.p2align 2,0x90
.L1968:
movl (%edx),%eax
movl %eax,mmbfree
decl mbtypes
movw %bx,16(%edx)
incl mbtypes(,%ebx,4)
movl $0,(%edx)
movl $0,4(%edx)
leal 44(%edx),%eax
movl %eax,8(%edx)
movw $2,18(%edx)
movl $0,20(%edx)
movl $0,32(%edx)
movl $0,40(%edx)
movl %edx,%edi
pushl %esi
call splx
addl $4,%esp
jmp .L1932
.p2align 2,0x90
.L1940:
.stabn 68,0,1858,.LM2794-fxp_add_rfabuf
.LM2794:
pushl $.LC41
movl 8(%ebp),%edx
pushl 336(%edx)
call device_printf
.stabn 68,0,1860,.LM2795-fxp_add_rfabuf
.LM2795:
cmpl $0,12(%ebp)
je .L1970
.L1958:
.stabn 68,0,1862,.LM2796-fxp_add_rfabuf
.LM2796:
movl 12(%ebp),%edi
.stabn 68,0,1863,.LM2797-fxp_add_rfabuf
.LM2797:
movl 44(%edi),%eax
movl %eax,8(%edi)
.L1957:
.stabn 68,0,1870,.LM2798-fxp_add_rfabuf
.LM2798:
movl 8(%edi),%eax
.stabn 68,0,1876,.LM2799-fxp_add_rfabuf
.LM2799:
leal 2(%eax),%ecx
.stabn 68,0,1877,.LM2800-fxp_add_rfabuf
.LM2800:
leal 18(%eax),%edx
movl %edx,8(%edi)
.stabn 68,0,1878,.LM2801-fxp_add_rfabuf
.LM2801:
movw $2030,14(%ecx)
.stabn 68,0,1886,.LM2802-fxp_add_rfabuf
.LM2802:
movw $0,2(%eax)
.stabn 68,0,1887,.LM2803-fxp_add_rfabuf
.LM2803:
movw $32768,2(%ecx)
.stabn 68,0,1888,.LM2804-fxp_add_rfabuf
.LM2804:
movw $0,12(%ecx)
.stabn 68,0,1890,.LM2805-fxp_add_rfabuf
.LM2805:
movl $-1,-4(%ebp)
.stabn 68,0,251,.LM2806-fxp_add_rfabuf
.LM2806:
.LBB1065:
.stabn 68,0,253,.LM2807-fxp_add_rfabuf
.LM2807:
movl -4(%ebp),%edx
movl %edx,6(%eax)
.stabn 68,0,261,.LM2808-fxp_add_rfabuf
.LM2808:
.LBE1065:
.stabn 68,0,251,.LM2809-fxp_add_rfabuf
.LM2809:
.LBB1066:
.stabn 68,0,253,.LM2810-fxp_add_rfabuf
.LM2810:
movl -4(%ebp),%edx
movl %edx,10(%eax)
.stabn 68,0,261,.LM2811-fxp_add_rfabuf
.LM2811:
.LBE1066:
.stabn 68,0,1898,.LM2812-fxp_add_rfabuf
.LM2812:
movl 8(%ebp),%eax
cmpl $0,264(%eax)
je .L1961
.stabn 68,0,1899,.LM2813-fxp_add_rfabuf
.LM2813:
movl 268(%eax),%eax
movl 44(%eax),%ebx
addl $2,%ebx
.stabn 68,0,1901,.LM2814-fxp_add_rfabuf
.LM2814:
movl %edi,(%eax)
.stabs "machine/pmap.h",132,0,0,.Ltext801
.Ltext801:
.stabn 68,0,175,.LM2815-fxp_add_rfabuf
.LM2815:
.LBB1067:
.stabn 68,0,176,.LM2816-fxp_add_rfabuf
.LM2816:
.LBB1068:
.stabn 68,0,177,.LM2817-fxp_add_rfabuf
.LM2817:
movl %ecx,%eax
shrl $22,%eax
movl PTD(,%eax,4),%edx
testb %dl,%dl
jge .L1962
.stabn 68,0,178,.LM2818-fxp_add_rfabuf
.LM2818:
andl $-4194304,%edx
movl %ecx,%eax
andl $4194303,%eax
.stabn 68,0,179,.LM2819-fxp_add_rfabuf
.LM2819:
jmp .L1971
.p2align 2,0x90
.L1962:
.stabn 68,0,180,.LM2820-fxp_add_rfabuf
.LM2820:
movl %ecx,%eax
shrl $12,%eax
.stabn 68,0,181,.LM2821-fxp_add_rfabuf
.LM2821:
movl PTmap(,%eax,4),%edx
andl $-4096,%edx
movl %ecx,%eax
andl $4095,%eax
.L1971:
orl %eax,%edx
.stabn 68,0,184,.LM2822-fxp_add_rfabuf
.LM2822:
.LBE1068:
.LBE1067:
.stabs "../../dev/fxp/if_fxp.c",132,0,0,.Ltext802
.Ltext802:
.stabn 68,0,1902,.LM2823-fxp_add_rfabuf
.LM2823:
movl %edx,-4(%ebp)
.stabn 68,0,251,.LM2824-fxp_add_rfabuf
.LM2824:
.LBB1069:
.stabn 68,0,253,.LM2825-fxp_add_rfabuf
.LM2825:
movl %edx,%eax
movl %eax,4(%ebx)
.stabn 68,0,261,.LM2826-fxp_add_rfabuf
.LM2826:
.LBE1069:
.stabn 68,0,1904,.LM2827-fxp_add_rfabuf
.LM2827:
movw $0,2(%ebx)
.stabn 68,0,1905,.LM2828-fxp_add_rfabuf
.LM2828:
jmp .L1966
.p2align 2,0x90
.L1961:
.stabn 68,0,1906,.LM2829-fxp_add_rfabuf
.LM2829:
movl 8(%ebp),%edx
movl %edi,264(%edx)
.L1966:
.stabn 68,0,1908,.LM2830-fxp_add_rfabuf
.LM2830:
movl 8(%ebp),%eax
movl %edi,268(%eax)
.stabn 68,0,1910,.LM2831-fxp_add_rfabuf
.LM2831:
cmpl 12(%ebp),%edi
sete %al
andl $255,%eax
.L1967:
leal -16(%ebp),%esp
popl %ebx
popl %esi
popl %edi
leave
ret
.stabn 68,0,1911,.LM2832-fxp_add_rfabuf
.LM2832:
.LBE1061:
.Lfe27:
.size fxp_add_rfabuf,.Lfe27-fxp_add_rfabuf
.stabs "fxp_add_rfabuf:f(0,1)",36,0,1840,fxp_add_rfabuf
.stabs "sc:p(0,28)",160,0,1839,8
.stabs "oldm:p(20,2)",160,0,1839,12
.stabs "v:(3,9)",128,0,1841,-4
.stabs "m:r(20,2)",64,0,1842,7
.stabs "rfa:r(0,30)",64,0,1843,1
.stabs "p_rfa:r(0,30)",64,0,1843,3
.stabn 192,0,0,.LBB1061-fxp_add_rfabuf
.stabs "_mm:r(20,2)",64,0,1845,2
.stabs "_mhow:r(0,1)",64,0,1845,7
.stabs "_mtype:r(0,1)",64,0,1845,3
.stabs "_ms:r(0,1)",64,0,1845,6
.stabn 192,0,0,.LBB1062-fxp_add_rfabuf
.stabn 224,0,0,.LBE1062-fxp_add_rfabuf
.stabs "_mm:r(20,2)",64,0,1847,3
.stabn 192,0,0,.LBB1063-fxp_add_rfabuf
.stabs "_mp:r(3,15)",64,0,1847,1
.stabs "_ms:r(0,1)",64,0,1847,6
.stabn 192,0,0,.LBB1064-fxp_add_rfabuf
.stabn 224,0,0,.LBE1064-fxp_add_rfabuf
.stabn 224,0,0,.LBE1063-fxp_add_rfabuf
.stabn 192,0,0,.LBB1065-fxp_add_rfabuf
.stabn 224,0,0,.LBE1065-fxp_add_rfabuf
.stabn 192,0,0,.LBB1066-fxp_add_rfabuf
.stabn 224,0,0,.LBE1066-fxp_add_rfabuf
.stabs "va:r(7,8)",64,0,1902,1
.stabn 192,0,0,.LBB1067-fxp_add_rfabuf
.stabs "pa:r(7,8)",64,0,176,2
.stabn 192,0,0,.LBB1068-fxp_add_rfabuf
.stabn 224,0,0,.LBE1068-fxp_add_rfabuf
.stabn 224,0,0,.LBE1067-fxp_add_rfabuf
.stabn 192,0,0,.LBB1069-fxp_add_rfabuf
.stabn 224,0,0,.LBE1069-fxp_add_rfabuf
.stabn 224,0,0,.LBE1061-fxp_add_rfabuf
.Lscope26:
.stabs "",36,0,0,.Lscope26-fxp_add_rfabuf
.section .rodata
.p2align 5
.LC42:
.byte 0x66,0x78,0x70,0x5f,0x6d,0x69,0x69,0x62,0x75,0x73
.byte 0x5f,0x72,0x65,0x61,0x64,0x72,0x65,0x67,0x3a,0x20
.byte 0x74,0x69,0x6d,0x65,0x64,0x20,0x6f,0x75,0x74,0xa
.byte 0x0
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