My 2.4.0-test10-pre4 box died overnight, apparently around 4 am when the nightly cron-jobs run. The last thing logged looks interesting: kernel BUG at vmscan.c:102! invalid operand: 0000 CPU: 0 EIP: 0010:[try_to_swap_out+252/796] EFLAGS: 00010286 eax: 0000001c ebx: 00000100 ecx: 00000000 edx: 00000000 esi: c11c20e4 edi: 00000001 ebp: 069e5045 esp: c12edebc ds: 0018 es: 0018 ss: 0018 Process kswapd (pid: 2, stackpage=c12ed000) Stack: c024abca c024ad89 00000066 080ac000 c645b140 080ec000 080a9000 00000200 c012719e c645b140 c6a16820 080ab000 c4ce02ac 00000004 080a9000 c6a16820 c645b140 00000004 c4ce02ac 084a9000 c4ce1080 080ec000 080ec000 c4ce1080 Call Trace: [tvecs+6622/95392] [tvecs+7069/95392] [swap_out_vma+322/440] [swap_out_mm+56/100] [swap_out+283/368] [refill_inactive+213/376] [do_try_to_free_pages+98/128] [tvecs+7429/95392] [kswapd+139/348] [empty_bad_page+0/4096] [kernel_thread+35/48] Code: 0f 0b 83 c4 0c f7 c5 02 00 00 00 74 17 6a 68 68 89 ad 24 c0 System is using reiserfs, but otherwise it's a pretty stock Red Hat 6.2. Hardware is a PII/350, ncr53c875 scsi controller, 128 MB RAM. Two network cards: RealTek 8139 and PCI NE2000. -- Henrik Storner | "Crackers thrive on code secrecy. Cockcroaches breed <[EMAIL PROTECTED]> | in the dark. It's time to let the sunlight in." | | Eric S. Raymond, re. the Frontpage backdoor - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] Please read the FAQ at http://www.tux.org/lkml/