hello list,
today i got an oops on my nfs server during heavy use of nfs read/writes
from a client. this is debian/unstable (i386), vanilla 2.6.7.
please CC me on replies, as i am not able to recieve the list-msg atm.
Thanks,
Christian.
kernel: nfsd: page allocation failure. order:5, mode:0xd0
kernel: [<c0131f41>] __alloc_pages+0x2d1/0x2e0
kernel: [<c0131f68>] __get_free_pages+0x18/0x40
kernel: [<c01351d9>] kmem_getpages+0x19/0xb0
kernel: [<c0135d08>] cache_grow+0xa8/0x230
kernel: [<c013606b>] cache_alloc_refill+0x1db/0x220
kernel: [<c013656c>] __kmalloc+0x5c/0x60
kernel: [<c01dced6>] xfs_iread_extents+0x86/0x180
kernel: [<c01b5f79>] xfs_bmapi+0x1e9/0x1400
kernel: [<c010974a>] do_gettimeofday+0x1a/0xc0
kernel: [<d094a31b>] ipt_do_table+0x2eb/0x500 [ip_tables]
kernel: [<d088f807>] boomerang_rx+0x1d7/0x480 [3c59x]
kernel: [<c011357b>] recalc_task_prio+0xbb/0x1b0
kernel: [<c011357b>] recalc_task_prio+0xbb/0x1b0
kernel: [<c01e115a>] xfs_imap_to_bmap+0x2a/0x2a0
kernel: [<c01e1546>] xfs_iomap+0x176/0x4a0
kernel: [<c01da55c>] xfs_iget+0x13c/0x150
kernel: [<c0201eee>] linvfs_get_block_core+0x9e/0x2a0
kernel: [<c01fab1f>] xfs_access+0x3f/0x50
kernel: [<c0207bf0>] linvfs_permission+0x0/0x20
kernel: [<c0160207>] dput+0x87/0x230
kernel: [<c0202115>] linvfs_get_block+0x25/0x30
kernel: [<c0169e28>] do_mpage_readpage+0x248/0x330
kernel: [<c0215540>] radix_tree_node_alloc+0x10/0x50
kernel: [<c0215756>] radix_tree_insert+0x76/0x110
kernel: [<c012d9ba>] add_to_page_cache+0x5a/0xb0
kernel: [<c0169ffe>] mpage_readpages+0xee/0x140
kernel: [<c02020f0>] linvfs_get_block+0x0/0x30
kernel: [<c02a1720>] ip_finish_output2+0x0/0x1e0
kernel: [<c0292f5f>] nf_hook_slow+0x13f/0x160
kernel: [<c02a1720>] ip_finish_output2+0x0/0x1e0
kernel: [<c02181e2>] copy_to_user+0x32/0x50
kernel: [<c01349a0>] read_pages+0x130/0x140
kernel: [<c02020f0>] linvfs_get_block+0x0/0x30
kernel: [<c0131b87>] buffered_rmqueue+0xf7/0x1e0
kernel: [<c0131d0f>] __alloc_pages+0x9f/0x2e0
kernel: [<c02a87db>] tcp_recvmsg+0x2fb/0x760
kernel: [<c0134d64>] do_page_cache_readahead+0x1a4/0x1d0
kernel: [<c0134e79>] page_cache_readahead+0xe9/0x1f0
kernel: [<c012e242>] do_generic_mapping_read+0xf2/0x470
kernel: [<c012eadb>] generic_file_sendfile+0x6b/0x90
kernel: [<d0974000>] nfsd_read_actor+0x0/0xd0 [nfsd]
kernel: [<c02086f7>] xfs_sendfile+0xc7/0x1b0
kernel: [<d0974000>] nfsd_read_actor+0x0/0xd0 [nfsd]
kernel: [<c02050fa>] linvfs_sendfile+0x4a/0x60
kernel: [<d0974000>] nfsd_read_actor+0x0/0xd0 [nfsd]
kernel: [<d09742f6>] nfsd_read+0x226/0x3e0 [nfsd]
kernel: [<d0974000>] nfsd_read_actor+0x0/0xd0 [nfsd]
kernel: [<d097af7f>] nfsd3_proc_read+0xaf/0x170 [nfsd]
kernel: [<d097cc20>] nfs3svc_decode_readargs+0x0/0x190 [nfsd]
kernel: [<d09706aa>] nfsd_dispatch+0x8a/0x1f0 [nfsd]
kernel: [<d092ca03>] svc_authenticate+0xd3/0x120 [sunrpc]
kernel: [<d0929ead>] svc_process+0x57d/0x610 [sunrpc]
kernel: [<d097046b>] nfsd+0x1cb/0x380 [nfsd]
kernel: [<d09702a0>] nfsd+0x0/0x380 [nfsd]
kernel: [<c0101f1d>] kernel_thread_helper+0x5/0x18
kernel:
kernel: Unable to handle kernel NULL pointer dereference at virtual
address 00000000
kernel: printing eip:
kernel: c01b5bc6
kernel: *pde = 00000000
kernel: Oops: 0002 [#1]
kernel: PREEMPT
kernel: Modules linked in: nls_iso8859_15 isofs nls_base sr_mod cdrom
ipt_REJECT ipt_state
ipt_multiport ipt_MASQUERAD
E ip_nat_ftp iptable_nat ip_conntrack_ftp ip_conntrack iptable_filter
ip_tables ppp_deflate
zlib_deflate zlib_inflate bsd_comp nfsd exportfs
lockd sunrpc ppp_async parport_pc lp parport ipv6 ppp_generic slhc 8250
serial_core 3c59x loop_twofish
loop rtc
kernel: CPU: 0
kernel: EIP: 0060:[<c01b5bc6>] Not tainted
kernel: EFLAGS: 00010202 (2.6.7)
kernel: EIP is at xfs_bmap_read_extents+0x2a6/0x470
kernel: eax: 00000000 ebx: 000000b6 ecx: 00000000 edx: 1200e064
kernel: esi: c7e71018 edi: 000000b6 ebp: 00000000 esp: cbab38ac
kernel: ds: 007b es: 007b ss: 0068
kernel: Process nfsd (pid: 14198, threadinfo=cbab2000 task=cbc16cf0)
kernel: Stack: 00000000 cbab3904 00000002 c01351d9 000000d0 000000b6
00000013 cee43800
kernel: c90e8040 000000b6 003b11bf 00000000 00000000 00000000 00000000
00001565
kernel: 00000000 c8aa2ce0 00000001 c7e71000 c8aa2c90 00000000 c90e8040
00015650
kernel: Call Trace:
kernel: [<c01351d9>] kmem_getpages+0x19/0xb0
kernel: [<c01dcef6>] xfs_iread_extents+0xa6/0x180
kernel: [<c01b5f79>] xfs_bmapi+0x1e9/0x1400
kernel: [<c010974a>] do_gettimeofday+0x1a/0xc0
kernel: [<d094a31b>] ipt_do_table+0x2eb/0x500 [ip_tables]
kernel: [<d088f807>] boomerang_rx+0x1d7/0x480 [3c59x]
kernel: [<c011357b>] recalc_task_prio+0xbb/0x1b0
kernel: [<c011357b>] recalc_task_prio+0xbb/0x1b0
kernel: [<c01e115a>] xfs_imap_to_bmap+0x2a/0x2a0
kernel: [<c01e1546>] xfs_iomap+0x176/0x4a0
kernel: [<c01da55c>] xfs_iget+0x13c/0x150
kernel: [<c0201eee>] linvfs_get_block_core+0x9e/0x2a0
kernel: [<c01fab1f>] xfs_access+0x3f/0x50
kernel: [<c0207bf0>] linvfs_permission+0x0/0x20
kernel: [<c0160207>] dput+0x87/0x230
kernel: [<c0202115>] linvfs_get_block+0x25/0x30
kernel: [<c0169e28>] do_mpage_readpage+0x248/0x330
kernel: [<c0215540>] radix_tree_node_alloc+0x10/0x50
kernel: [<c0215756>] radix_tree_insert+0x76/0x110
kernel: [<c012d9ba>] add_to_page_cache+0x5a/0xb0
kernel: [<c0169ffe>] mpage_readpages+0xee/0x140
kernel: [<c02020f0>] linvfs_get_block+0x0/0x30
kernel: [<c02a1720>] ip_finish_output2+0x0/0x1e0
kernel: [<c0292f5f>] nf_hook_slow+0x13f/0x160
kernel: [<c02a1720>] ip_finish_output2+0x0/0x1e0
kernel: [<c02181e2>] copy_to_user+0x32/0x50
kernel: [<c01349a0>] read_pages+0x130/0x140
kernel: [<c02020f0>] linvfs_get_block+0x0/0x30
kernel: [<c0131b87>] buffered_rmqueue+0xf7/0x1e0
kernel: [<c0131d0f>] __alloc_pages+0x9f/0x2e0
kernel: [<c02a87db>] tcp_recvmsg+0x2fb/0x760
kernel: [<c0134d64>] do_page_cache_readahead+0x1a4/0x1d0
kernel: [<c0134e79>] page_cache_readahead+0xe9/0x1f0
kernel: [<c012e242>] do_generic_mapping_read+0xf2/0x470
kernel: [<c012eadb>] generic_file_sendfile+0x6b/0x90
kernel: [<d0974000>] nfsd_read_actor+0x0/0xd0 [nfsd]
kernel: [<c02086f7>] xfs_sendfile+0xc7/0x1b0
kernel: [<d0974000>] nfsd_read_actor+0x0/0xd0 [nfsd]
kernel: [<c02050fa>] linvfs_sendfile+0x4a/0x60
kernel: [<d0974000>] nfsd_read_actor+0x0/0xd0 [nfsd]
kernel: [<d09742f6>] nfsd_read+0x226/0x3e0 [nfsd]
kernel: [<d0974000>] nfsd_read_actor+0x0/0xd0 [nfsd]
kernel: [<d097af7f>] nfsd3_proc_read+0xaf/0x170 [nfsd]
kernel: [<d097cc20>] nfs3svc_decode_readargs+0x0/0x190 [nfsd]
kernel: [<d09706aa>] nfsd_dispatch+0x8a/0x1f0 [nfsd]
kernel: [<d092ca03>] svc_authenticate+0xd3/0x120 [sunrpc]
kernel: [<d0929ead>] svc_process+0x57d/0x610 [sunrpc]
kernel: [<d097046b>] nfsd+0x1cb/0x380 [nfsd]
kernel: [<d09702a0>] nfsd+0x0/0x380 [nfsd]
kernel: [<c0101f1d>] kernel_thread_helper+0x5/0x18
kernel:
kernel: Code: 89 08 89 68 04 8b 46 08 89 d5 83 c6 10 89 c1 8b 44 24 38
0f
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