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[linux-lvm] 2.4.0-test10-pre4 oops with LVM



This kernel panic occurred when I attempted to dump my ext2 filesystem
/home onto /mnt/ide/backup.  My exact dump command was:

dump -0 -u -M -f /mnt/ide/backup/home -B 2096128 /home

I believe dump managed to start reading directories before the oops
occurred...Haven't been able to duplicate the oops on 2.4.0-test9.
Oct 19 17:58:13 uyema kernel: kernel BUG at vmscan.c:102!
Oct 19 17:58:13 uyema kernel: invalid operand: 0000
Oct 19 17:58:13 uyema kernel: CPU:    0
Oct 19 17:58:13 uyema kernel: EIP:    0010:[try_to_swap_out+251/804]
Oct 19 17:58:13 uyema kernel: EFLAGS: 00010282
Oct 19 17:58:13 uyema kernel: eax: 0000001c   ebx: 00000200   ecx: c146e000   edx: 0000002c
Oct 19 17:58:13 uyema kernel: esi: c13edf9c   edi: 00000001   ebp: 0ecb3045   esp: c146fec8
Oct 19 17:58:13 uyema kernel: ds: 0018   es: 0018   ss: 0018
Oct 19 17:58:13 uyema kernel: Process kswapd (pid: 2, stackpage=c146f000)
Oct 19 17:58:13 uyema kernel: Stack: c023c0f4 c023c313 00000066 080ab000 080f4000 cee7a2a8 080aa000 00000002
Oct 19 17:58:13 uyema kernel:        c0129632 c012b2ef cee8be00 ceba08e0 080aa000 cee7a2a8 00000004 080aa000
Oct 19 17:58:13 uyema kernel:        ceba08e0 cee8be00 00000004 084aa000 cec70080 080f4000 080f4000 cec70080
Oct 19 17:58:13 uyema kernel: Call Trace: [tvecs+7680/58460] [tvecs+8223/58460] [drain_cpu_caches+170/204] [swap_out_vma+283/416] [swap_out_mm+63/108] [swap_out+336/468] [refill_inactive+199/356]
Oct 19 17:58:13 uyema kernel:        [do_try_to_free_pages+98/128] [tvecs+8611/58460] [kswapd+126/352] [kernel_thread+40/56]
Oct 19 17:58:13 uyema kernel: Code: 0f 0b 83 c4 0c f7 c5 02 00 00 00 74 18 6a 68 68 13 c3 23 c0
Oct 19 17:58:14 uyema kernel: kernel BUG at vmscan.c:102!
Oct 19 17:58:14 uyema kernel: invalid operand: 0000
Oct 19 17:58:14 uyema kernel: CPU:    1
Oct 19 17:58:14 uyema kernel: EIP:    0010:[try_to_swap_out+251/804]
Oct 19 17:58:14 uyema kernel: EFLAGS: 00010286
Oct 19 17:58:14 uyema kernel: eax: 0000001c   ebx: 00000300   ecx: c423e000   edx: ffffffff
Oct 19 17:58:14 uyema kernel: esi: c13ee2cc   edi: 00000001   ebp: 0ecbf045   esp: c423fbbc
Oct 19 17:58:14 uyema kernel: ds: 0018   es: 0018   ss: 0018
Oct 19 17:58:14 uyema kernel: Process dump (pid: 20544, stackpage=c423f000)
Oct 19 17:58:14 uyema kernel: Stack: c023c0f4 c023c313 00000066 080ae000 080f4000 ceb912b4 080ab000 c1466f20
Oct 19 17:58:14 uyema kernel:        00000007 c012b2ef cf467160 cfcb7520 080ad000 ceb912b4 00000003 080ab000
Oct 19 17:58:14 uyema kernel:        cfcb7520 cf467160 00000003 084ab000 ceb7e080 080f4000 080f4000 ceb7e080
Oct 19 17:58:14 uyema kernel: Call Trace: [tvecs+7680/58460] [tvecs+8223/58460] [swap_out_vma+283/416] [swap_out_mm+63/108] [swap_out+336/468] [refill_inactive+199/356] [do_try_to_free_pages+98/128]
Oct 19 17:58:14 uyema kernel:        [try_to_free_pages+34/44] [__alloc_pages+570/724] [grow_buffers+62/320] [getblk+277/360] [refill_freelist+10/44] [getblk+344/360] [block_read+668/1224] [reschedule_idle+660/696]
Oct 19 17:58:14 uyema kernel:        [reschedule_idle+660/696] [__alloc_pages_limit+138/172] [__alloc_pages+326/724] [handle_mm_fault+272/428] [do_page_fault+327/1008] [update_wall_time+11/60] [timer_bh+54/688] [tqueue_bh+90/100]
Oct 19 17:58:14 uyema kernel:        [bh_action+77/176] [tasklet_hi_action+79/124] [<f8198000>] [sys_read+143/196] [<f8198000>] [system_call+51/56] [<f8198000>] [startup_32+43/204]
Oct 19 17:58:14 uyema kernel: Code: 0f 0b 83 c4 0c f7 c5 02 00 00 00 74 18 6a 68 68 13 c3 23 c0

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