Hello folks,
I got these oopses after mounting an NFS share and copying ~1.3GB from
it to a local partition. The oopses happened 44 hours after the copy,
during which time the system ran setiathome exclusively. Previously,
without first doing this copy, the system ran for a week doing setiathome,
at which time I rebooted, did this copy, and left for the weekend.
Here are the goods:
I found this on the console:
kernel BUG at page_alloc.c:82!
invalid operand: 0000
CPU: 0
EIP: 0010:[<c012965d>]
Using defaults from ksymoops -t elf32-i386 -a i386
EFLAGS: 00010286
eax: 0000001f ebx: c145cca8 ecx: 00000000 edx: 0000001c
esi: 00000000 edi: cd74e404 ebp: 00000000 esp: cd60de60
ds: 0018 es: 0018 ss: 0018
Process setiathome (pid: 1662, stackpage=cd60d000)
Stack: c0233305 c02334d3 00000052 c145cca8 00000000 cd74e404 d1aff214 c1044010
c0280520 00000216 ffffffff 0000a569 c0129fc3 c012a43d 0000037b 00000000
c011eb86 c145cca8 d7e586c0 4014b000 d7306900 00c66000 00000084 00000000
Call Trace: [<c0233305>] [<c02334d3>] [<c0129fc3>] [<c012a43d>] [<c011eb86>]
[<c01210e8>] [<c0115a85>]
[<c0119669>] [<c010a4c7>] [<c0110be0>] [<c01e2c98>] [<c011d96e>] [<c011db77>]
[<c010e952>] [<c010a76c>]
[<c010a698>] [<c01e2c98>] [<c01e2c98>]
Code: 0f 0b 83 c4 0c 89 f6 83 7b 08 00 74 16 6a 54 68 d3 34 23 c0
>>EIP; c012965d <__free_pages_ok+2d/340> <=====
Trace; c0233305 <tvecs+1cdd/1a9d8>
Trace; c02334d3 <tvecs+1eab/1a9d8>
Trace; c0129fc3 <__free_pages+13/20>
Trace; c012a43d <free_page_and_swap_cache+7d/80>
Trace; c011eb86 <zap_page_range+186/220>
Trace; c01210e8 <exit_mmap+b8/110>
Trace; c0115a85 <mmput+15/30>
Trace; c0119669 <do_exit+a9/200>
Trace; c010a4c7 <do_signal+207/2a4>
Trace; c0110be0 <do_page_fault+0/3f0>
Trace; c01e2c98 <isapnp_set_irq+8/c0>
Trace; c011d96e <update_wall_time+e/40>
Trace; c011db77 <timer_bh+27/260>
Trace; c010e952 <timer_interrupt+72/120>
Trace; c010a76c <error_code+34/3c>
Trace; c010a698 <signal_return+14/18>
Trace; c01e2c98 <isapnp_set_irq+8/c0>
Trace; c01e2c98 <isapnp_set_irq+8/c0>
Code; c012965d <__free_pages_ok+2d/340>
00000000 <_EIP>:
Code; c012965d <__free_pages_ok+2d/340> <=====
0: 0f 0b ud2a <=====
Code; c012965f <__free_pages_ok+2f/340>
2: 83 c4 0c add $0xc,%esp
Code; c0129662 <__free_pages_ok+32/340>
5: 89 f6 mov %esi,%esi
Code; c0129664 <__free_pages_ok+34/340>
7: 83 7b 08 00 cmpl $0x0,0x8(%ebx)
Code; c0129668 <__free_pages_ok+38/340>
b: 74 16 je 23 <_EIP+0x23> c0129680
<__free_pages_ok+50/340>
Code; c012966a <__free_pages_ok+3a/340>
d: 6a 54 push $0x54
Code; c012966c <__free_pages_ok+3c/340>
f: 68 d3 34 23 c0 push $0xc02334d3
I then tried an alt+sysrq+s, which gave:
Syncing device 03:01 ... <1>Unable to handle kernel paging request at virtual address
080a5960
c012e410
*pde = 171db067
Oops: 0000
CPU: 0
EIP: 0010:[<c012e410>]
Using defaults from ksymoops -t elf32-i386 -a i386
EFLAGS: 00010206
eax: 080a5940 ebx: 080a5940 ecx: 0005a416 edx: d1195e40
esi: 00000301 edi: 00000000 ebp: 00000001 esp: c167ff88
ds: 0018 es: 0018 ss: 0018
Process kflushd (pid: 4, stackpage=c167f000)
Stack: 00000301 00000000 c02f5740 0008e000 d1195e40 00000000 030110bf 080a5940
c012e5de 00000301 00000000 d7e90400 c019943a 00000301 d7e90400 00000000
c167e000 c0199490 d7e90400 00000000 00000000 c167e000 c01312c2 00010f00
Call Trace: [<c012e5de>] [<c019943a>] [<c0199490>] [<c01312c2>] [<c0108c03>]
Code: 8b 58 20 83 3d 30 74 2d c0 00 74 5b 66 83 7c 24 1a 00 74 0b
>>EIP; c012e410 <sync_buffers+30/1c0> <=====
Trace; c012e5de <fsync_dev+e/40>
Trace; c019943a <go_sync+10a/120>
Trace; c0199490 <do_emergency_sync+40/a0>
Trace; c01312c2 <bdflush+72/110>
Trace; c0108c03 <kernel_thread+23/30>
Code; c012e410 <sync_buffers+30/1c0>
00000000 <_EIP>:
Code; c012e410 <sync_buffers+30/1c0> <=====
0: 8b 58 20 mov 0x20(%eax),%ebx <=====
Code; c012e413 <sync_buffers+33/1c0>
3: 83 3d 30 74 2d c0 00 cmpl $0x0,0xc02d7430
Code; c012e41a <sync_buffers+3a/1c0>
a: 74 5b je 67 <_EIP+0x67> c012e477 <sync_buffers+97/1c0>
Code; c012e41c <sync_buffers+3c/1c0>
c: 66 83 7c 24 1a 00 cmpw $0x0,0x1a(%esp,1)
Code; c012e422 <sync_buffers+42/1c0>
12: 74 0b je 1f <_EIP+0x1f> c012e42f <sync_buffers+4f/1c0>
Then I tried a manual umount, resulting in:
Unable to handle kernel NULL pointer dereference at virtual address 00000032
c012e410
*pde = 00000000
Oops: 0000
CPU: 0
EIP: 0010:[<c012e410>]
Using defaults from ksymoops -t elf32-i386 -a i386
EFLAGS: 00010206
eax: 00000012 ebx: 00000012 ecx: 0005a4a9 edx: d00592c0
esi: 00000341 edi: 00000000 ebp: 00000000 esp: d5b8df34
ds: 0018 es: 0018 ss: 0018
Process umount (pid: 2317, stackpage=d5b8d000)
Stack: 00000341 d7bae000 00000000 08051fa8 d00592c0 00000000 03411fa8 00000012
c012e5de 00000341 00000000 d7e685c0 c0132c40 00000341 d7bae000 ffffffff
d7c36a40 d5b8df98 c0132db2 d7e685c0 00000000 00000000 d5b8c000 08051fa9
Call Trace: [<c012e5de>] [<c0132c40>] [<c0132db2>] [<c0132dec>] [<c010a64f>]
Code: 8b 58 20 83 3d 30 74 2d c0 00 74 5b 66 83 7c 24 1a 00 74 0b
>>EIP; c012e410 <sync_buffers+30/1c0> <=====
Trace; c012e5de <fsync_dev+e/40>
Trace; c0132c40 <do_umount+130/1e0>
Trace; c0132db2 <sys_umount+c2/f0>
Trace; c0132dec <sys_oldumount+c/10>
Trace; c010a64f <system_call+33/38>
Code; c012e410 <sync_buffers+30/1c0>
00000000 <_EIP>:
Code; c012e410 <sync_buffers+30/1c0> <=====
0: 8b 58 20 mov 0x20(%eax),%ebx <=====
Code; c012e413 <sync_buffers+33/1c0>
3: 83 3d 30 74 2d c0 00 cmpl $0x0,0xc02d7430
Code; c012e41a <sync_buffers+3a/1c0>
a: 74 5b je 67 <_EIP+0x67> c012e477 <sync_buffers+97/1c0>
Code; c012e41c <sync_buffers+3c/1c0>
c: 66 83 7c 24 1a 00 cmpw $0x0,0x1a(%esp,1)
Code; c012e422 <sync_buffers+42/1c0>
12: 74 0b je 1f <_EIP+0x1f> c012e42f <sync_buffers+4f/1c0>
System is:
Linux dogmatix 2.4.0-test10 #5 Sat Nov 4 01:10:07 EST 2000 i686 unknown
Kernel modules 2.3.19
Gnu C egcs-2.91.66
Gnu Make 3.77
Binutils 2.10
Linux C Library 2.1.2
Dynamic linker ldd: version 1.9.9
Procps 2.0.2
Mount 2.10o
Net-tools 1.52
Kbd 0.99
Sh-utils 1.16
Modules Loaded NVdriver
0000-001f : dma1
0020-003f : pic1
0040-005f : timer
0060-006f : keyboard
0070-007f : rtc
0080-008f : dma page reg
00a0-00bf : pic2
00c0-00df : dma2
00f0-00ff : fpu
0170-0177 : ide1
01f0-01f7 : ide0
0376-0376 : ide1
03c0-03df : vga+
03f6-03f6 : ide0
03f8-03ff : serial(auto)
0400-040f : VIA Technologies, Inc. VT82C686 [Apollo Super ACPI]
0cf8-0cff : PCI conf1
8000-8fff : PCI Bus #01
cc00-cc1f : Creative Labs SB Live! EMU10000
cc00-cc1f : EMU10K1
d000-d07f : 3Com Corporation 3c905B 100BaseTX [Cyclone]
d000-d07f : eth0
d400-d403 : Advanced Micro Devices [AMD] AMD-751 [Irongate] System Controller
d800-d8ff : Symbios Logic Inc. (formerly NCR) 53c895
d800-d87f : sym53c8xx
dc00-dc07 : Creative Labs SB Live!
ffa0-ffaf : VIA Technologies, Inc. Bus Master IDE
ffa0-ffa7 : ide0
ffa8-ffaf : ide1
I'm not using the VIA IDE drivers, or DMA support. I'm also not using the
Irongate AGP driver, or USB.
Since this all took place today, I haven't reproduced it, but I'm working
on that right now. With < test10, doing the copy over NFS alone would
result in a complete lockup, so I'm fairly sure this'll repeat itself.
Regards,
Adrian
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