Hi Tigran, Can you please gdb your nfs.ko module to get the line number of the warning? (gdb) list *(pnfs_destroy_layout+0xd6) I'm not sure what arch you're using but these offsets don't make sense on my x86_64 machine... By "crashed", you mean these warnings, or is there anything else? Benny On 2010-11-18 17:21, Tigran Mkrtchyan wrote: > > During dead client recovery procedure you client crashed in did. > > The procedure was: during IO disconnect network cable. We was testing > server cleanup sequence. Then we have connected client back. After some > time client reconnected...and crashed. The last thing I have seen was > BAD_SESSION > from the server on READ call: > > > > Nov 18 16:04:29 slinux kernel: [ 555.385877] Got error -10052 from the > server on DESTROY_SESSION. Session has been destroyed regardless... > Nov 18 16:04:29 slinux kernel: [ 555.395300] ------------[ cut here > ]------------ > Nov 18 16:04:29 slinux kernel: [ 555.395321] WARNING: at > fs/nfs/pnfs.c:477 pnfs_destroy_layout+0xd6/0x100 [nfs]() > Nov 18 16:04:29 slinux kernel: [ 555.395323] Hardware name: VirtualBox > Nov 18 16:04:29 slinux kernel: [ 555.395324] Modules linked in: > nfs_layout_nfsv41_files nfs lockd fscache nfs_acl auth_rpcgss sunrpc > ipv6 af_packet binfmt_misc dm_mirror dm_multipath scsi_dh video output > thermal sbs sbshc pci_slot fan container battery lp sg ac option > usb_wwan usbserial thermal_sys button parport_pc tpm_tis tpm serio_raw > tpm_bios parport e1000 i2c_piix4 pata_mpiix dm_region_hash dm_log dm_mod > [last unloaded: mperf] > Nov 18 16:04:29 slinux kernel: [ 555.395425] Pid: 2259, comm: > 131.169.40.35-m Not tainted 2.6.37-rc1.pnfs.1 #1 > Nov 18 16:04:29 slinux kernel: [ 555.395427] Call Trace: > Nov 18 16:04:29 slinux kernel: [ 555.395434] [<ffffffffa024a256>] ? > pnfs_destroy_layout+0xd6/0x100 [nfs] > Nov 18 16:04:29 slinux kernel: [ 555.395440] [<ffffffffa024a256>] ? > pnfs_destroy_layout+0xd6/0x100 [nfs] > Nov 18 16:04:29 slinux kernel: [ 555.395444] [<ffffffff81041fbc>] ? > warn_slowpath_common+0x8c/0xc0 > Nov 18 16:04:29 slinux kernel: [ 555.395450] [<ffffffffa024a256>] ? > pnfs_destroy_layout+0xd6/0x100 [nfs] > Nov 18 16:04:29 slinux kernel: [ 555.395456] [<ffffffffa024a302>] ? > pnfs_destroy_all_layouts+0x82/0xc0 [nfs] > Nov 18 16:04:29 slinux kernel: [ 555.395462] [<ffffffffa0242b93>] ? > nfs4_run_state_manager+0x4e3/0x540 [nfs] > Nov 18 16:04:29 slinux kernel: [ 555.395469] [<ffffffffa02426b0>] ? > nfs4_run_state_manager+0x0/0x540 [nfs] > Nov 18 16:04:29 slinux kernel: [ 555.395471] [<ffffffff8105b466>] ? > kthread+0x96/0xa0 > Nov 18 16:04:29 slinux kernel: [ 555.395474] [<ffffffff81003a14>] ? > kernel_thread_helper+0x4/0x10 > Nov 18 16:04:29 slinux kernel: [ 555.395476] [<ffffffff8105b3d0>] ? > kthread+0x0/0xa0 > Nov 18 16:04:29 slinux kernel: [ 555.395478] [<ffffffff81003a10>] ? > kernel_thread_helper+0x0/0x10 > Nov 18 16:04:29 slinux kernel: [ 555.395479] ---[ end trace > 8f55223a1de06cc6 ]--- > Nov 18 16:04:29 slinux kernel: [ 555.395480] ------------[ cut here > ]------------ > Nov 18 16:04:29 slinux kernel: [ 555.395486] WARNING: at > fs/nfs/pnfs.c:478 pnfs_destroy_layout+0xfc/0x100 [nfs]() > Nov 18 16:04:29 slinux kernel: [ 555.395487] Hardware name: VirtualBox > Nov 18 16:04:29 slinux kernel: [ 555.395488] Modules linked in: > nfs_layout_nfsv41_files nfs lockd fscache nfs_acl auth_rpcgss sunrpc > ipv6 af_packet binfmt_misc dm_mirror dm_multipath scsi_dh video output > thermal sbs sbshc pci_slot fan container battery lp sg ac option > usb_wwan usbserial thermal_sys button parport_pc tpm_tis tpm serio_raw > tpm_bios parport e1000 i2c_piix4 pata_mpiix dm_region_hash dm_log dm_mod > [last unloaded: mperf] > Nov 18 16:04:29 slinux kernel: [ 555.395503] Pid: 2259, comm: > 131.169.40.35-m Tainted: G W 2.6.37-rc1.pnfs.1 #1 > Nov 18 16:04:29 slinux kernel: [ 555.395504] Call Trace: > Nov 18 16:04:29 slinux kernel: [ 555.395510] [<ffffffffa024a27c>] ? > pnfs_destroy_layout+0xfc/0x100 [nfs] > Nov 18 16:04:29 slinux kernel: [ 555.395516] [<ffffffffa024a27c>] ? > pnfs_destroy_layout+0xfc/0x100 [nfs] > Nov 18 16:04:29 slinux kernel: [ 555.395518] [<ffffffff81041fbc>] ? > warn_slowpath_common+0x8c/0xc0 > Nov 18 16:04:29 slinux kernel: [ 555.395523] [<ffffffffa024a27c>] ? > pnfs_destroy_layout+0xfc/0x100 [nfs] > Nov 18 16:04:29 slinux kernel: [ 555.395529] [<ffffffffa024a302>] ? > pnfs_destroy_all_layouts+0x82/0xc0 [nfs] > Nov 18 16:04:29 slinux kernel: [ 555.395536] [<ffffffffa0242b93>] ? > nfs4_run_state_manager+0x4e3/0x540 [nfs] > Nov 18 16:04:29 slinux kernel: [ 555.395542] [<ffffffffa02426b0>] ? > nfs4_run_state_manager+0x0/0x540 [nfs] > Nov 18 16:04:29 slinux kernel: [ 555.395544] [<ffffffff8105b466>] ? > kthread+0x96/0xa0 > Nov 18 16:04:29 slinux kernel: [ 555.395546] [<ffffffff81003a14>] ? > kernel_thread_helper+0x4/0x10 > Nov 18 16:04:29 slinux kernel: [ 555.395548] [<ffffffff8105b3d0>] ? > kthread+0x0/0xa0 > Nov 18 16:04:29 slinux kernel: [ 555.395550] [<ffffffff81003a10>] ? > kernel_thread_helper+0x0/0x10 > Nov 18 16:04:29 slinux kernel: [ 555.395551] ---[ end trace > 8f55223a1de06cc7 ]--- > Nov 18 16:04:29 slinux kernel: [ 555.395552] ------------[ cut here > ]------------ > Nov 18 16:04:29 slinux kernel: [ 555.395558] WARNING: at > fs/nfs/pnfs.c:479 pnfs_destroy_layout+0xe9/0x100 [nfs]() > Nov 18 16:04:29 slinux kernel: [ 555.395559] Hardware name: VirtualBox > Nov 18 16:04:29 slinux kernel: [ 555.395560] Modules linked in: > nfs_layout_nfsv41_files nfs lockd fscache nfs_acl auth_rpcgss sunrpc > ipv6 af_packet binfmt_misc dm_mirror dm_multipath scsi_dh video output > thermal sbs sbshc pci_slot fan container battery lp sg ac option > usb_wwan usbserial thermal_sys button parport_pc tpm_tis tpm serio_raw > tpm_bios parport e1000 i2c_piix4 pata_mpiix dm_region_hash dm_log dm_mod > [last unloaded: mperf] > Nov 18 16:04:29 slinux kernel: [ 555.395575] Pid: 2259, comm: > 131.169.40.35-m Tainted: G W 2.6.37-rc1.pnfs.1 #1 > Nov 18 16:04:29 slinux kernel: [ 555.395576] Call Trace: > > this is > > pnfs-all-2.6.37-rc1-2010-11-03 from Banny's tree (git > 6a1df873544d146fcdc493034b170879985909e8) + > http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=blobdiff;f=mm/vmstat.c;h=42eac4d33216b81c307a87016e821051bc86146e;hp=cd2e42be7b68f73dc60f40631f2b9f87708d3b47;hb=ff8b16d7e15a8ba2a6086645614a483e048e3fbf;hpb=81a6cff678ecee7cdc0658285d3150660c07cfce > > > > Regards, > Tigran. > -- > To unsubscribe from this list: send the line "unsubscribe linux-nfs" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html -- To unsubscribe from this list: send the line "unsubscribe linux-nfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
