machine failure?

hi all.

Earlier today one of my home boxes failed. I was unable to login remotely
via SSH and although Apache kept serving pages, the webmail application
kept reporting a failure to connect to the IMAP service. When I got home,
it wasn't allowing logins at the console either (hung after entering
username prior to password prompt). The following is in /var/log/messages:

Nov 24 09:51:16 bacall kernel: c0164f98
Nov 24 09:51:16 bacall kernel: PREEMPT
Nov 24 09:51:16 bacall kernel: Modules linked in: iptable_nat iptable_mangle ipt_REJECT ipt_LOG ipt_state ipt_limit iptable_filter ip_conntrack_ftp ip_conntrack ip_tables usbcore natsemi crc32
Nov 24 09:51:16 bacall kernel: CPU: 0
Nov 24 09:51:16 bacall kernel: EIP: 0060:[<c0164f98>] Not tainted VLI
Nov 24 09:51:16 bacall kernel: EFLAGS: 00010202 (2.6.11-gentoo-r6)
Nov 24 09:51:16 bacall kernel: EIP is at prune_icache+0x78/0x210
Nov 24 09:51:16 bacall kernel: eax: 00000000 ebx: cb2989b0 ecx: cb2989b0 edx: c0304504
Nov 24 09:51:16 bacall kernel: esi: cb2989a8 edi: 0000000f ebp: cfebe000 esp: cfebfec8
Nov 24 09:51:16 bacall kernel: ds: 007b es: 007b ss: 0068
Nov 24 09:51:16 bacall kernel: Process kswapd0 (pid: 68, threadinfo=cfebe000 task=cff1d060)
Nov 24 09:51:16 bacall kernel: Stack: c0d26d18 c111bb80 00000000 0000000f c0d26d20 cb744868 00000080 00000000
Nov 24 09:51:16 bacall kernel: 00000000 c127ea60 c016514f 00000080 c0136b74 00000080 000000d0 0000cda6
Nov 24 09:51:16 bacall kernel: 0005c300 00000000 00000007 00000000 c0303204 00000001 c03030e0 0000cda5
Nov 24 09:51:16 bacall kernel: Call Trace:
Nov 24 09:51:16 bacall kernel: [<c016514f>] shrink_icache_memory+0x1f/0x50
Nov 24 09:51:16 bacall kernel: [<c0136b74>] shrink_slab+0x154/0x190
Nov 24 09:51:16 bacall kernel: [<c013808b>] balance_pgdat+0x2db/0x3b0
Nov 24 09:51:16 bacall kernel: [<c0138249>] kswapd+0xe9/0x110
Nov 24 09:51:16 bacall kernel: [<c0124d90>] autoremove_wake_function+0x0/0x60
Nov 24 09:51:16 bacall kernel: [<c0102582>] ret_from_fork+0x6/0x14
Nov 24 09:51:16 bacall kernel: [<c0124d90>] autoremove_wake_function+0x0/0x60
Nov 24 09:51:16 bacall kernel: [<c0138160>] kswapd+0x0/0x110
Nov 24 09:51:16 bacall kernel: [<c010087d>] kernel_thread_helper+0x5/0x18
Nov 24 09:51:16 bacall kernel: Code: 00 00 00 81 3d 04 45 30 c0 04 45 30 c0 74 3f 8b 1d 08 45 30 c0 8d 73 f8 8b 86 24 01 00 00 85 c0 0f 84 9d 00 00 00 8b 43 04 8b 13 <89> 10 89 42 04 a1 04 45 30 c0 89 58 04 89 03 c7 43 04 04 45 30
Nov 24 09:51:16 bacall kernel: <6>note: kswapd0[68] exited with preempt_count 1


Anyone offer any insight as to what might have happened here?

Many thanks!

--
darren@                public key
davisononline.org      0xDD356B0D

.

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