Re: 2.4.19 crash

Michal Illich (michal@illich.cz)
Wed, 07 Aug 2002 21:50:49 +0200


output from ksymoops:

-------------------------------------------
ksymoops 2.4.4 on i686 2.4.19. Options used
-V (default)
-k /proc/ksyms (default)
-l /proc/modules (default)
-o /lib/modules/2.4.19/ (default)
-m /boot/System.map-2.4.19 (default)

Warning: You did not tell me where to find symbol information. [...]

No modules in ksyms, skipping objects
Warning (read_lsmod): no symbols in lsmod, is /proc/modules a valid lsmod file?
Aug 7 09:47:16 [...] kernel: Unable to handle kernel paging request at
virtual address 45ca6234
Aug 7 09:47:16 [...] kernel: c0128c80
Aug 7 09:47:16 [...] kernel: *pde = 00000000
Aug 7 09:47:16 [...] kernel: Oops: 0000
Aug 7 09:47:16 [...] kernel: CPU: 0
Aug 7 09:47:16 [...] kernel: EIP: 0010:[<c0128c80>] Not tainted
Using defaults from ksymoops -t elf32-i386 -a i386
Aug 7 09:47:16 [...] kernel: EFLAGS: 00010813
Aug 7 09:47:16 [...] kernel: eax: 999f7887 ebx: c2217e50 ecx: df4c8000
edx: f762e680
Aug 7 09:47:16 [...] kernel: esi: 00000246 edi: cfbc4380 ebp: 000000f0
esp: ddff7de8
Aug 7 09:47:16 [...] kernel: ds: 0018 es: 0018 ss: 0018
Aug 7 09:47:16 [...] kernel: Process [...] (pid: 2133, stackpage=ddff7000)
Aug 7 09:47:16 [...] kernel: Stack: 00000000 ecb0109c 009bb6d0 e55216c0
00000000 00000000 00001000 00000001
Aug 7 09:47:16 [...] kernel: c0132804 c2217e50 000000f0 c01328b6
00000001 df4c8940 04a87241 00000000
Aug 7 09:47:16 [...] kernel: 0000a324 c212b320 00000341 0000a325
c212b320 c0132ae6 c212b320 00001000
Aug 7 09:47:16 [...] kernel: Call Trace: [<c0132804>] [<c01328b6>]
[<c0132ae6>] [<c0133158>] [<c01239ad>]
Aug 7 09:47:16 [...] kernel: [<c0123a47>] [<c01534f0>] [<c0124035>]
[<c0124288>] [<c0126408>] [<c01247fa>]
Warning (Oops_read): Code line not seen, dumping what data is available

>>EIP; c0128c80 <kfree+30/a0> <=====
Trace; c0132804 <block_read_full_page+c4/230>
Trace; c01328b6 <block_read_full_page+176/230>
Trace; c0132ae6 <cont_prepare_write+86/240>
Trace; c0133158 <generic_direct_IO+48/160>
Trace; c01239ad <___wait_on_page+2d/b0>
Trace; c0123a47 <unlock_page+17/70>
Trace; c01534f0 <ext3_block_truncate_page+100/360>
Trace; c0124035 <do_generic_file_read+b5/420>
Trace; c0124288 <do_generic_file_read+308/420>
Trace; c0126408 <remove_suid+58/59>
Trace; c01247fa <sys_sendfile+1a/200>

3 warnings issued. Results may not be reliable.
-----------------------------------------------

both lsmod and ksyms produce no output, I think this is ok in case of lsmod,
because everything is compiled in. I don't know if it is ok with ksyms; if
you need it I can play little more with that...

[...] are my edits

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