Our nfs server crashs occasionally. Any idea to solve the problem? Thanks! Aug 31 10:50:49 tisnfs kernel: Unable to handle kernel paging request at virtual address 00800004 Aug 31 10:50:49 tisnfs kernel: printing eip: Aug 31 10:50:49 tisnfs kernel: 02146bc4 Aug 31 10:50:49 tisnfs kernel: *pde = 00000000 Aug 31 10:50:49 tisnfs kernel: Oops: 0002 [#1] Aug 31 10:50:49 tisnfs kernel: Modules linked in: snd_mixer_oss snd soundcore nfsd exportfs lockd autofs4 sunrpc e1000 e100 mii floppy sg microcode dm_mod uhci_hcd ehci_hcd md5 ipv6 ext3 jbd ata_piix libata sd_mod scsi_mod Aug 31 10:50:49 tisnfs kernel: CPU: 0 Aug 31 10:50:49 tisnfs kernel: EIP: 0060:[<02146bc4>] Not tainted Aug 31 10:50:49 tisnfs kernel: EFLAGS: 00010002 (2.6.8-1.521) Aug 31 10:50:49 tisnfs kernel: EIP is at free_block+0x3a/0xbb Aug 31 10:50:49 tisnfs kernel: eax: 00800000 ebx: 3dc21000 ecx: 3dc21300 edx: 3f72e000 Aug 31 10:50:49 tisnfs kernel: esi: 414eed80 edi: 0000001b ebp: 00000016 esp: 41e0af24 Aug 31 10:50:49 tisnfs kernel: ds: 007b es: 007b ss: 0068 Aug 31 10:50:49 tisnfs kernel: Process pdflush (pid: 38, threadinfo=41e0a000 task=039eecd0) Aug 31 10:50:49 tisnfs kernel: Stack: 414ec090 414eed80 414ec090 1712f080 41eeaae0 02146d1d 0000001b 414ec080 Aug 31 10:50:49 tisnfs kernel: 414ec080 414ec090 1712f080 00000202 02147143 1712f144 41e0af8c 00001ce6 Aug 31 10:50:49 tisnfs kernel: 00000030 0217e596 1712f144 0217e949 07bf4b44 00005736 02348c20 0217f079 Aug 31 10:50:49 tisnfs kernel: Call Trace: Aug 31 10:50:49 tisnfs kernel: [<02146d1d>] cache_flusharray+0xd8/0x15a Aug 31 10:50:49 tisnfs kernel: [<02147143>] kmem_cache_free+0x21/0x2f Aug 31 10:50:49 tisnfs kernel: [<0217e596>] destroy_inode+0x36/0x45 Aug 31 10:50:49 tisnfs kernel: [<0217e949>] dispose_list+0x4e/0x160 Aug 31 10:50:49 tisnfs kernel: [<0217f079>] prune_icache+0x366/0x3a3 Aug 31 10:50:49 tisnfs kernel: [<0214435f>] pdflush+0x0/0x1e Aug 31 10:50:49 tisnfs kernel: [<021441dd>] __pdflush+0x349/0x4cb Aug 31 10:50:49 tisnfs kernel: [<02144379>] pdflush+0x1a/0x1e Aug 31 10:50:49 tisnfs kernel: [<02143238>] wb_kupdate+0x0/0xee Aug 31 10:50:49 tisnfs kernel: [<0214435f>] pdflush+0x0/0x1e Aug 31 10:50:49 tisnfs kernel: [<02134705>] kthread+0x69/0x91 Aug 31 10:50:49 tisnfs kernel: [<0213469c>] kthread+0x0/0x91 Aug 31 10:50:49 tisnfs kernel: [<021041d9>] kernel_thread_helper+0x5/0xb Aug 31 10:50:49 tisnfs kernel: Code: 89 50 04 89 02 31 d2 2b 4b 0c c7 03 00 01 10 00 c7 43 04 00 Aug 31 10:50:50 tisnfs kernel: mm/slab.c:2725: spin_lock(mm/slab.c:414eedc4) already locked by mm/slab.c/2141 Aug 31 10:50:50 tisnfs kernel: Unable to handle kernel NULL pointer dereference at virtual address 00000004 Aug 31 10:50:50 tisnfs kernel: printing eip: Aug 31 10:50:50 tisnfs kernel: 0217c1b4 Aug 31 10:50:50 tisnfs kernel: *pde = 00000000 Aug 31 10:50:50 tisnfs kernel: Oops: 0002 [#2] Aug 31 10:50:50 tisnfs kernel: Modules linked in: snd_mixer_oss snd soundcore nfsd exportfs lockd autofs4 sunrpc e1000 e100 mii floppy sg microcode dm_mod uhci_hcd ehci_hcd md5 ipv6 ext3 jbd ata_piix libata sd_mod scsi_mod Aug 31 10:50:50 tisnfs kernel: CPU: 0 Aug 31 10:50:50 tisnfs kernel: EIP: 0060:[<0217c1b4>] Not tainted Aug 31 10:50:50 tisnfs kernel: EFLAGS: 00010206 (2.6.8-1.521) Aug 31 10:50:50 tisnfs kernel: EIP is at d_instantiate+0xb4/0x147 Aug 31 10:50:50 tisnfs kernel: eax: 240ea680 ebx: 33037b44 ecx: 33037b54 edx: 00000000 Aug 31 10:50:50 tisnfs kernel: esi: 240ea630 edi: 240ea630 ebp: 00000000 esp: 392c0ea8 Aug 31 10:50:50 tisnfs kernel: ds: 007b es: 007b ss: 0068 Aug 31 10:50:50 tisnfs kernel: Process nfsd (pid: 1944, threadinfo=392c0000 task=392e6d50) Aug 31 10:50:50 tisnfs kernel: Stack: 33037b44 33037b44 0217c787 00000000 33037b44 240ea630 3f53b000 00000000 Aug 31 10:50:50 tisnfs kernel: 428a0111 210221b8 428affc0 240ea630 392c0ef8 021716ab 0ee73144 0ccad0e7 Aug 31 10:50:50 tisnfs kernel: 8dd6dd55 36349eb8 392dc804 02171718 8dd6dd55 0ccad0b4 00000033 0ee73144 Aug 31 10:50:50 tisnfs kernel: Call Trace: Aug 31 10:50:50 tisnfs kernel: [<0217c787>] d_splice_alias+0x22e/0x23e Aug 31 10:50:50 tisnfs kernel: [<428a0111>] ext3_lookup+0x70/0x89 [ext3] Aug 31 10:50:50 tisnfs kernel: [<021716ab>] __lookup_hash+0x70/0x89 Aug 31 10:50:50 tisnfs kernel: [<02171718>] lookup_one_len+0x4d/0x5b Aug 31 10:50:50 tisnfs kernel: [<42a9a1c8>] nfsd_lookup+0x4a8/0x534 [nfsd] Aug 31 10:50:50 tisnfs kernel: [<42aa0cc8>] nfsd3_proc_lookup+0xa7/0xb2 [nfsd] Aug 31 10:50:50 tisnfs kernel: [<42aa242a>] nfs3svc_decode_diropargs+0x0/0xb3 [nfsd] Aug 31 10:50:50 tisnfs kernel: [<42a97a20>] nfsd_dispatch+0xbf/0x163 [nfsd] Aug 31 10:50:50 tisnfs kernel: [<42a7cba9>] svc_process+0x323/0x562 [sunrpc] Aug 31 10:50:50 tisnfs kernel: [<42a97683>] nfsd+0x3ae/0x68c [nfsd] Aug 31 10:50:50 tisnfs kernel: [<42a972d5>] nfsd+0x0/0x68c [nfsd] Aug 31 10:50:50 tisnfs kernel: [<021041d9>] kernel_thread_helper+0x5/0xb Aug 31 10:50:50 tisnfs kernel: Code: 89 42 04 89 56 50 89 48 04 89 43 10 89 5e 20 81 3d 7c 8b 34 Aug 31 10:50:50 tisnfs kernel: lib/dec_and_lock.c:32: spin_lock(fs/dcache.c:02348b7c) already locked by fs/dcache.c/779 Aug 31 10:50:50 tisnfs kernel: Unable to handle kernel NULL pointer dereference at virtual address 00000004 Aug 31 10:50:50 tisnfs kernel: printing eip: Aug 31 10:50:50 tisnfs kernel: 0217c1b4 Aug 31 10:50:50 tisnfs kernel: *pde = 00000000 _________________________________________________________ 必殺技、飲歌、小星星... 浪漫鈴聲 情心連繫 http://us.rd.yahoo.com/evt=22281/*http://ringtone.yahoo.com.hk/