2.2.14 oops

From: Jens Jahr (jdj-kernel@ID-PRO.de)
Date: Thu May 04 2000 - 08:14:45 EST


Hello,

we have a big problem with kernel 2.2.14. Under heavy database load the kernel
oopses with the following message:

---- snip

Apr 20 08:20:11 pzwo kernel: esi: 0eaa6000 edi: 00000000 ebp: 00000000 esp: cfa53f3c
Apr 20 08:20:11 pzwo kernel: ds: 0018 es: 0018 ss: 0018
Apr 20 08:20:11 pzwo kernel: Process db:pzwodbs (pid: 17500, process nr: 54, stackpage=cfa53000)
Apr 20 08:20:11 pzwo kernel: Stack: 00000000 cfa52000 cff6cfa4 0f1c3000 0eaa6000 00001000
0001f000 c23c4000
Apr 20 08:20:11 pzwo kernel: 00000000 00000000 0eaa6000 ca3c9430 c011e69b cf1f5b60
cf1f5b74 cfa53f8c
Apr 20 08:20:11 pzwo kernel: c011e5e8 cf1f5b60 ffffffea 00000000 00000000 00001000
4233b000 00000000
Apr 20 08:20:11 pzwo kernel: Call Trace: [generic_file_read+99/124] [file_read_actor+0/80]
[sys_read+194/232] [system_call+52/56] [stext+43/164]
Apr 20 08:20:11 pzwo kernel: Code: 39 4a 08 75 f0 39 5a 0c 75 eb f0 ff 42 14 b8 02 00 00 00 f0
Apr 20 08:31:07 pzwo kernel: Unable to handle kernel paging request at virtual address 80000008
Apr 20 08:31:07 pzwo kernel: current->tss.cr3 = 079a5000, %cr3 = 079a5000
Apr 20 08:31:07 pzwo kernel: *pde = 00000000
Apr 20 08:31:07 pzwo kernel: Oops: 0000
Apr 20 08:31:07 pzwo kernel: CPU: 0
Apr 20 08:31:07 pzwo kernel: EIP: 0010:[try_to_read_ahead+111/280]
Apr 20 08:31:07 pzwo kernel: EFLAGS: 00010286
Apr 20 08:31:07 pzwo kernel: eax: cff6cfa4 ebx: 1eaa5000 ecx: 00000000 edx: 80000000
Apr 20 08:31:07 pzwo kernel: esi: ca3c9430 edi: cfb87000 ebp: 1eaa6000 esp: c79a7f18
Apr 20 08:31:07 pzwo kernel: ds: 0018 es: 0018 ss: 0018
Apr 20 08:31:07 pzwo kernel: Process db:pzwodbs (pid: 17686, process nr: 82, stackpage=c79a7000)
Apr 20 08:31:07 pzwo kernel: Stack: c0486e80 1eaa6000 cff6cfa4 c011e2da cf339920 1eaa6000
00000000 00001000
Apr 20 08:31:07 pzwo kernel: 41e32000 00000000 c79a6000 cff6cfa0 00001000 1eaa5000
00001000 0001f000
Apr 20 08:31:07 pzwo kernel: 00000000 00000000 00000000 1eaa5000 ca3c9430 c011e69b
cf339920 cf339934
Apr 20 08:31:07 pzwo kernel: Call Trace: [do_generic_file_read+754/1536]
[generic_file_read+99/124] [file_read_actor+0/80] [sys_read+194/232] [system_call+52/56]
[stext+43/164]
Apr 20 08:31:07 pzwo kernel: Code: 39 72 08 75 f4 39 6a 0c 75 ef f0 ff 42 14 b8 02 00 00 00 f0
Apr 20 08:48:36 pzwo kernel: ds: 0018 es: 0018 ss: 0018

----snap

Maschine's hardware:
Dual PIII 550 MHz
DPT I2O RAID
512 MB RAM
2 x 9,1 GB HD and 512 MB swap

Running RH 6.1 and adabas 11

It does NOT occur when kernel is not compliled for SMP and is also does NOT occur when we put more RAM into this maschine. But after all memory is used it happens again. So as long as no swap is needed and kernel is compliled only for one CPU everything works fine.

It does not seem to be a hardware problem, because a totally different maschine shows the same result.
We testet serveral preferences up to kernel 2.2.15-pre18.

Anyone an idea ?

-- 
Jens Jahr <jahr@ID-PRO.de>

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