On Fri, Apr 09, 2004 at 01:26:19PM -0400, Nathaniel Eliot said > I'm running a Debian Sarge installation, with the 2.4.22-1-386 kernel. > Its a fairly lightweight server, running SSH and our accounting > software. I'm very unfamiliar with the error reporting of Debian, so > bear with the stupid questions and conclusions. > > I'm getting recurring kernel errors, that disappear for a while on > reboot. The error starts with "Unable to handle kernel paging request > at virtual address". Its initial EIP varies, but once the errors > started the EIP remains the same until I reboot. However, it hits many > different processes, so I'm assuming the problem is something to do with > a common library. > > ----- error from kern.log ----- > Unable to handle kernel paging request at virtual address d0e8c3e0 > printing eip: > c013eb5b > *pde = 00000000 > Oops: 0002 > CPU: 0 > EIP: 0010:[prune_dcache+135/295] Not tainted > EFLAGS: 00010246 > eax: ce9836f8 ebx: c0e8c368 ecx: c0e8c370 edx: d0e8c3e0 > esi: c0e8c350 edi: c0cbea00 ebp: 0000125e esp: c12fdf60 > ds: 0018 es: 0018 ss: 0018 > Process kswapd (pid: 4, stackpage=c12fd000) > Stack: 00000020 000001d0 00000006 00000037 c013ee53 00001919 c0128dd3 > 00000006 > 000001d0 c0233550 000001d0 00000006 c0233550 00000000 c0128e1d > 00000020 > c0233550 c12fc000 c02334a0 c0128efd c02334a0 00000000 c12fc245 > 0008e000 > Call Trace: [shrink_dcache_memory+27/45] [shrink_caches+95/121] > [try_to_free_pages_zone+48/74] [kswapd_balance_pgdat+65/136] > [kswapd_balance+20/40] [kswapd+148/173] [rest_init+0/39] > [arch_kernel_thread+35/45] [kswapd+0/173] > > Code: 89 02 c7 41 04 00 00 00 00 c7 43 08 00 00 00 00 8b 7e 08 85 > ----- end error ----- > > I'm at a loss as to the source of these errors. I've dug around with > Google, without luck. The memory and hard drive are both fully tested, > and work fine. Have you tried chkrootkit[0]? A poorly-written rootkit could be corrupting memory. [0] read the BTS before posting any questions about it's output, it has known false-positives. -- Rob Weir <rweir@ertius.org> | mlspam@ertius.org | Do I look like I want a CC? Words of the day: CIDA Marxist Khaddafi assassinate radar Mafia Janet Reno
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