From: Herbert Poetzl (herbert_at_13thfloor.at)
Date: Thu 18 Mar 2004 - 17:25:54 GMT
On Thu, Mar 18, 2004 at 05:36:20PM +0100, Andreas Reck wrote:
> Hello, congratulations and many thanks for the vserver-project, I like
> it really.On my home-server I'm running a linux-2.4.23 with the vserver patch
> without any problems, but on my webserver I've found really strange
> things happend last night.Its an Athlon Duron System with 1800Mhz and 128MB of 266DDR RAM.
> Im running a vanilla linux-2.4.25 from kernel.org patched with the
> vserver-1.26 patch on a Debian woody System without any modifications.
> This morning I couldn't log in anymore via ssh, the apache didnt'
> answer to requests, but an portscan still shows port 80,22 as open.
> The technican can't even login local, he had to reset the machine
> hardly. Thats what I've found in the /var/log/kern.log
see http://lkml.org/lkml/2004/3/3/180
(guess it's a rare bug() not found/fixed yet)
HTH,
Herbert
> Mar 18 03:19:39 hillary kernel: kernel BUG at vmscan.c:388!
> Mar 18 03:19:39 hillary kernel: invalid operand: 0000
> Mar 18 03:19:39 hillary kernel: CPU: 0
> Mar 18 03:19:39 hillary kernel: EIP: 0010:[shrink_cache+928/960]
> Not taintedMar 18 03:19:39 hillary kernel: EFLAGS: 00010202
> Mar 18 03:19:39 hillary kernel: eax: 00000040 ebx: 0000023e ecx:
> c10699d8edx: c6fa4000
> Mar 18 03:19:39 hillary kernel: esi: c10699bc edi: 0000000f ebp:
> 000001d0esp: c6fa5f38
> Mar 18 03:19:39 hillary kernel: ds: 0018 es: 0018 ss: 0018
> Mar 18 03:19:39 hillary kernel: Process kswapd (pid: 4,
> stackpage=c6fa5000)Mar 18 03:19:39 hillary kernel: Stack: c6fa4000 0000059c 0000023e
> c02d7758 c689e9c0 c1083548 c012f67a c1083548Mar 18 03:19:39 hillary kernel: 0000001f 000001d0 c02d7758
> 00000000 c012f6be c6fa5f88 0000003c 000001d0Mar 18 03:19:39 hillary kernel: 00000020 c012f722 c6fa5f88
> c02d7758 00000000 c02d7758 c6fa4000 c02d7680Mar 18 03:19:39 hillary kernel: Call Trace:
> [refill_inactive+314/336] [shrink_caches+46/64]
> [try_to_free_pages_zone+82/224] [kswapd_balance_pgdat+84/192]
> [kswapd_balance+38/64]Mar 18 03:19:39 hillary kernel: [kswapd+157/192] [kswapd+0/192]
> [rest_init+0/48] [arch_kernel_thread+38/48] [kswapd+0/192]Mar 18 03:19:39 hillary kernel:
> Mar 18 03:19:39 hillary kernel: Code: 0f 0b 84 01 47 a2 28 c0 e9 e3 fc
> ff ff 8d76 00 c7 02 00 00
> Mar 18 03:24:30 hillary kernel: kernel BUG at vmscan.c:388!
>
> I've googled for it and found some threads with people, running a
> linux-2.4.25 and the grsecurity patches.
> http://groups.google.com/groups?hl=en&lr=&ie=UTF-8&oe=UTF-8&threadm=1vLar-6l7-19%40gated-at.bofh.it&rnum=1&prev=/groups%3Fq%3Dbug%2Bvmscan.c:388%26hl%3Den%26lr%3D%26ie%3DUTF-8%26oe%3DUTF-8%26selm%3D1vLar-6l7-19%2540gated-at.bofh.it%26rnum%3D1
> The error couldn't be reproduced with older kernel versions, Marcelo
> can't localize the problem until now neither.Right now, im compiling an 2.4.24 kernel and will give it a try.
> Is there anybody out there who could reproduce this error?
>
> Have a great time
>
> dukky
>
> --
> Andreas Reck
> Webmaster VCP Bayern
> www.vcp-bayern.de | www.bucher-berg.de | www.elements-linking-europe.de
>
>
>
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