Re: nfsd

Please  recreate this stacktrace with debugging symbols enabled, because we cannot see function names.

What kind of tests are you talking about? What are you doing exactly when it fails? And please attach your .config :)

Thx.

On Apr 29, 2012, at 5:02 PM, Jens Kasten wrote:

> Hi list,
> 
> I did some test with nfs.
> Somehow I hit this bug below.
> I will try the latest kernel from git now.
> 
> ------------[ cut here ]------------
> WARNING: at fs/inode.c:884 0xffffffff811725fa()
> Hardware name: ALiveSATA2-GLAN
> Pid: 3739, comm: nfsd Tainted: G        W    3.2.15-rsbac-2.59-sec #2
> Call Trace:
> [<ffffffff810c6626>] ? 0xffffffff810c6626
> [<ffffffff811725fa>] ? 0xffffffff811725fa
> [<ffffffff811c0e39>] ? 0xffffffff811c0e39
> [<ffffffff811cd971>] ? 0xffffffff811cd971
> [<ffffffff811641f7>] ? 0xffffffff811641f7
> [<ffffffff811186ee>] ? 0xffffffff811186ee
> [<ffffffff811605bd>] ? 0xffffffff811605bd
> [<ffffffff8116097c>] ? 0xffffffff8116097c
> [<ffffffff81236c71>] ? 0xffffffff81236c71
> [<ffffffff81233bfe>] ? 0xffffffff81233bfe
> [<ffffffff812335b1>] ? 0xffffffff812335b1
> [<ffffffff81237ab0>] ? 0xffffffff81237ab0
> [<ffffffff81241da1>] ? 0xffffffff81241da1
> [<ffffffff812423a2>] ? 0xffffffff812423a2
> [<ffffffff81240681>] ? 0xffffffff81240681
> [<ffffffff812306a2>] ? 0xffffffff812306a2
> [<ffffffff81522207>] ? 0xffffffff81522207
> [<ffffffff810c23a0>] ? 0xffffffff810c23a0
> [<ffffffff8122fd60>] ? 0xffffffff8122fd60
> [<ffffffff8122fe05>] ? 0xffffffff8122fe05
> [<ffffffff810e75c6>] ? 0xffffffff810e75c6
> [<ffffffff81547c14>] ? 0xffffffff81547c14
> [<ffffffff810e7530>] ? 0xffffffff810e7530
> [<ffffffff81547c10>] ? 0xffffffff81547c10
> ---[ end trace 1881892719e67b90 ]---
> nfsd: last server has exited, flushing export cache
> BUG: Dentry ffff880069c06300{i=1860001,n=rsbac.dat} still in use (1) [unmount of ext4 dm-12]
> ------------[ cut here ]------------
> kernel BUG at fs/dcache.c:887!
> invalid opcode: 0000 [#1] SMP
> CPU 0
> Pid: 4310, comm: umount Tainted: G        W    3.2.15-rsbac-2.59-sec #2 To Be Filled By O.E.M. ALiveSATA2-GLAN/ALiveSATA2-GLAN
> RIP: 0010:[<ffffffff8116e7ae>]  [<ffffffff8116e7ae>] 0xffffffff8116e7ae
> RSP: 0018:ffff8801a72a5df8  EFLAGS: 00010296
> RAX: 0000000000000063 RBX: ffff880069c06300 RCX: 00000000000000c9
> RDX: 0000000000000000 RSI: 0000000000000046 RDI: ffffffff81780360
> RBP: ffff880069c06300 R08: 0000000000000000 R09: 000000000000ffff
> R10: 0000000000000000 R11: 0000000000000001 R12: ffff8801040a40b8
> R13: 00000adf95ee2520 R14: 0000000000000000 R15: 0000000000000000
> FS:  000071867953e740(0000) GS:ffff88021fc00000(0000) knlGS:0000000000000000
> CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
> CR2: ffffffffff600400 CR3: 00000001ede03000 CR4: 00000000000006f0
> DR0: 0000000000000003 DR1: 00000000000000b0 DR2: 0000000000000001
> DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
> Process umount (pid: 4310, threadinfo ffff88008aaef730, task ffff88008aaef330)
> Stack:
> ffff8801040a4280 ffff880088545240 b4dd00d5badbabe5 ffff8801040a4000
> ffffffff81598dc0 ffffffff8116f265 ffff8801040a4000 ffffffff811548ef
> ffff880216427000 0000000000000083 00000adf95ee2520 ffffffff81155bf2
> Call Trace:
> [<ffffffff8116f265>] ? 0xffffffff8116f265
> [<ffffffff811548ef>] ? 0xffffffff811548ef
> [<ffffffff81155bf2>] ? 0xffffffff81155bf2
> [<ffffffff8115471e>] ? 0xffffffff8115471e
> [<ffffffff81178760>] ? 0xffffffff81178760
> [<ffffffff81546b66>] ? 0xffffffff81546b66
> Code: 00 00 48 8b 40 28 4c 8b 08 48 8b 43 30 48 85 c0 74 04 48 8b 50 38 48 89 34 24 48 c7 c7 40 93 62 81 48 89 de 31 c0 e8 89 4d 3d 00 <0f> 0b 0f 0b 66 66 66 66 66 2e 0f 1f 84 00 00 00 00 00 41 57 41
> RIP  [<ffffffff8116e7ae>] 0xffffffff8116e7ae
> RSP <ffff8801a72a5df8>
> ---[ end trace 1881892719e67b91 ]---
> 
> 
> -- 
> Mit freundlichen Grüßen
> 
> Jens Kasten
> 
> 
> http://www.kasten-edv.de
> _______________________________________________
> rsbac mailing list
> [email protected]
> http://www.rsbac.org/mailman/listinfo/rsbac