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[Linux-cluster] kernel panic on debian lenny GFS2 when exporting via NFS



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Hi,

I have two debian lenny nodes (kernel 2.6.26-1-amd64) are running
redhat cluster suite.  I mount gfs2 with acl option on the two nodes.
Everything are looking ok until I export the gfs2 file system to other
servers with nfs acl option (I have tried without acl option). It just
crashes the cluster when every time I try to edit or cat a file, but I
can ls any directory without any problem. Does anyone have suggestion
on that?

The following is from dmesg

[73567.236977] ------------[ cut here ]------------
[73567.236977] kernel BUG at fs/gfs2/glock.c:1134!
[73567.237483] invalid opcode: 0000 [1] SMP
[73567.237483] CPU 3
[73567.237483] Modules linked in: nfsd auth_rpcgss exportfs nfs lockd
nfs_acl sunrpc sctp libcrc32c gfs lock_dlm gfs2 dlm configfs ipv6 aoe
ext2 loop parport_pc parport snd_pcm snd_timer snd pcspkr soundcore
psmouse snd_page_alloc serio_raw container i2c_piix4 ac button
i2c_core intel_agp shpchp pci_hotplug evdev ext3 jbd mbcache dm_mirror
dm_log dm_snapshot dm_mod sd_mod ide_cd_mod cdrom ata_generic libata
dock ide_pci_generic floppy mptspi mptscsih mptbase scsi_transport_spi
e1000 scsi_mod piix ide_core thermal processor fan thermal_sys
[73567.237483] Pid: 23419, comm: nfsd Not tainted 2.6.26-1-amd64 #1
[73567.237483] RIP: 0010:[<ffffffffa02abf65>]  [<ffffffffa02abf65>]
:gfs2:gfs2_glock_nq+0x11b/0x1e0
[73567.237483] RSP: 0018:ffff81004b4f3cb0  EFLAGS: 00010282
[73567.237483] RAX: 000000000000002f RBX: ffff81004b4f3cf0 RCX:
0000000000000082
[73567.237483] RDX: 0000000000009f3a RSI: 0000000000000046 RDI:
0000000000000286
[73567.237483] RBP: ffff810057832740 R08: ffff8100d330dd48 R09:
ffff81004b4f3800
[73567.237483] R10: 0000000000000000 R11: 0000000000000046 R12:
ffff8100d330dd48
[73567.237483] R13: ffff8100d330dd48 R14: 0000000000000000 R15:
ffff8100e0c32000
[73567.237483] FS:  00007f83d0fc86e0(0000) GS:ffff8100ef6df9c0(0000)
knlGS:0000000000000000
[73567.237483] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
[73567.237483] CR2: 0000000002679e08 CR3: 00000000ec8cf000 CR4:
00000000000006e0
[73567.237483] DR0: 0000000000000000 DR1: 0000000000000000 DR2:
0000000000000000
[73567.237483] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7:
0000000000000400
[73567.237483] Process nfsd (pid: 23419, threadinfo ffff81004b4f2000,
task ffff81000f9a70a0)
[73567.237483] Stack:  ffff8100ed4fecc8 ffff8100ed4fecc8
ffff8100ed4fecc8 ffff8100ee097c80
[73567.237483]  0000000000000000 ffff8100a5dd7740 ffff8100ce7f6cb0
ffffffffa02b4ec1
[73567.237483]  ffff81004b4f3cf0 ffff81004b4f3cf0 ffff8100d330dd48
ffff8100ecd4e840
[73567.237483] Call Trace:
[73567.237483]  [<ffffffffa02b4ec1>] ? :gfs2:gfs2_open+0xc7/0x13c
[73567.237483]  [<ffffffffa02b4eb9>] ? :gfs2:gfs2_open+0xbf/0x13c
[73567.237483]  [<ffffffffa02b4dfa>] ? :gfs2:gfs2_open+0x0/0x13c
[73567.237483]  [<ffffffff8029976d>] ? __dentry_open+0x12c/0x238
[73567.237483]  [<ffffffffa0429407>] ? :nfsd:nfsd_open+0x13c/0x170
[73567.237483]  [<ffffffffa04296db>] ? :nfsd:nfsd_read+0x7f/0xc4
[73567.237483]  [<ffffffff80429e2d>] ? _spin_lock_bh+0x9/0x1f
[73567.237483]  [<ffffffffa04304b7>] ? :nfsd:nfsd3_proc_read+0xfe/0x141
[73567.237483]  [<ffffffffa0425245>] ? :nfsd:nfsd_dispatch+0xde/0x1b6
[73567.237483]  [<ffffffffa039755b>] ? :sunrpc:svc_process+0x408/0x6e9
[73567.237483]  [<ffffffff80429c74>] ? __down_read+0x12/0xa1
[73567.237483]  [<ffffffffa042567c>] ? :nfsd:nfsd+0x0/0x2a4
[73567.237483]  [<ffffffffa0425810>] ? :nfsd:nfsd+0x194/0x2a4
[73567.237483]  [<ffffffff80230196>] ? schedule_tail+0x27/0x5c
[73567.237483]  [<ffffffff8020cf28>] ? child_rip+0xa/0x12
[73567.237483]  [<ffffffffa042567c>] ? :nfsd:nfsd+0x0/0x2a4
[73567.237483]  [<ffffffffa042567c>] ? :nfsd:nfsd+0x0/0x2a4
[73567.237483]  [<ffffffffa042567c>] ? :nfsd:nfsd+0x0/0x2a4
[73567.237483]  [<ffffffff8020cf1e>] ? child_rip+0x0/0x12
[73567.237483]
[73567.237483]
[73567.237483] Code: 74 03 8b 70 38 48 c7 c7 b0 2f 2c a0 31 c0 e8 72
94 f8 df 41 8b 54 24 30 41 8b 74 24 20 48 c7 c7 bd 2f 2c a0 31 c0 e8
5a 94 f8 df <0f> 0b eb fe 48 39 70 18 74 10 48 89 d0 48 8b 10 48 39 c8
0f 18
[73567.387600] RIP  [<ffffffffa02abf65>] :gfs2:gfs2_glock_nq+0x11b/0x1e0
[73567.387600]  RSP <ffff81004b4f3cb0>
[73567.394761] ---[ end trace 7902e4725ced022f ]---
[73693.051705] BUG: soft lockup - CPU#1 stuck for 61s! [nfsd:23421]


Cheers,
Marco
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