Re: 2.6.37-rc1 krash

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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.
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