[4575] in arla-drinkers
Re: PATCH: Arla 0.90 on Linux 2.6.24 to Linux 2.6.28
daemon@ATHENA.MIT.EDU (Michael Milligan)
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Date: Fri, 19 Dec 2008 11:34:16 -0700
From: Michael Milligan <milli@acmeps.com>
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Subject: Re: PATCH: Arla 0.90 on Linux 2.6.24 to Linux 2.6.28
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Thanks for all your efforts to get this working on recent Linux kernels.
However, I'm still having issues with arlad/nnpfs blowing it's brains
out on 2.6.27 (the Ubuntu version specifically... 2.6.27-9-generic).
Here's what I'm seeing (debug logs... I apologize if wrapped lines are
ugly):
arlad: (run as "/usr/sbin/arlad -z -n
--debug=kernel,cache-manager,volume-cache,file-cache,errors,warnings")
2008-12-18 19:28:07 UTC: arla: read_data: from 0 to 0x800
2008-12-18 19:28:07 UTC: arla: worker 0: done
2008-12-18 19:28:07 UTC: arla: worker 0 waiting
2008-12-18 19:28:07 UTC: arla: worker 0: processing
2008-12-18 19:28:07 UTC: arla: fcache_get_attr: have attr
2008-12-18 19:28:07 UTC: arla: fcache_get_attr: doing read_attr
2008-12-18 19:28:08 UTC: arla: trying to fetch status: 0
2008-12-18 19:28:08 UTC: arla: read_data: from 0 to 0x6
2008-12-18 19:28:08 UTC: arla: cm_getattr
2008-12-18 19:28:08 UTC: arla: fcache_get_attr: doing read_attr
2008-12-18 19:28:08 UTC: arla: trying to fetch status: 0
2008-12-18 19:28:08 UTC: arla: cm_getattr: done get attr
2008-12-18 19:28:08 UTC: arla: cm_getattr: return: 0
2008-12-18 19:28:08 UTC: arla: worker 0: done
2008-12-18 19:28:08 UTC: arla: worker 0 waiting
2008-12-18 19:28:08 UTC: arla: worker 0: processing
2008-12-18 19:28:08 UTC: arla: fcache_get_attr: have attr
2008-12-18 19:28:08 UTC: arla: fcache_get_attr: doing read_attr
2008-12-18 19:28:08 UTC: arla: trying to fetch status: 0
2008-12-18 19:28:08 UTC: arla: read_data: from 0 to 0x8
2008-12-18 19:28:08 UTC: arla: cm_getattr
2008-12-18 19:28:08 UTC: arla: fcache_get_attr: doing read_attr
2008-12-18 19:28:08 UTC: arla: trying to fetch status: 0
2008-12-18 19:28:08 UTC: arla: cm_getattr: done get attr
2008-12-18 19:28:08 UTC: arla: cm_getattr: return: 0
2008-12-18 19:28:08 UTC: arla: worker 0: done
2008-12-18 19:28:08 UTC: arla: worker 0 waiting
2008-12-18 19:28:08 UTC: arla: worker 0: processing
2008-12-18 19:28:08 UTC: arla: fcache_get_attr: have attr
2008-12-18 19:28:08 UTC: arla: fcache_get_attr: doing read_attr
2008-12-18 19:28:08 UTC: arla: trying to fetch status: 0
2008-12-18 19:28:08 UTC: arla: cm_getattr
2008-12-18 19:28:08 UTC: arla: fcache_get_attr: have attr
2008-12-18 19:28:08 UTC: arla: cm_getattr: done get attr
2008-12-18 19:28:08 UTC: arla: cm_getattr: return: 0
2008-12-18 19:28:08 UTC: arla: worker 0: done
2008-12-18 19:28:08 UTC: arla: worker 0 waiting
2008-12-18 19:28:09 UTC: arla: worker 0: processing
arlad: messages.c:671: nnpfs_message_getnode: Assertion
`(dentry)->flags.kernelp' failed.
nnpfs (kernel):
Dec 18 19:28:08 cheetah kernel: [17462.488859] nnpfs_block_open(00/03@)
walk failed: -2
Dec 18 19:28:08 cheetah kernel: [17462.488874] (1.536871004.1.1), fid
65542, id 3
Dec 18 19:28:08 cheetah kernel: [17462.488879] nnpfs_block_open: n 1,
mask 1, inode e7ad3a7c, aliases: .acmeps.com(e1c0ac38)
Dec 18 19:28:08 cheetah kernel: [17462.488889] nnpfs_block_open failed: 2
And if I then try to umount /afs, I get:
Dec 18 19:31:30 cheetah kernel: [17664.616797] BUG: Dentry
d9ff6198{i=1f0f28,n=000000000ef1fca7.mpg} still in use (-1) [unmount of
nnpfs nnpfs]
Dec 18 19:31:30 cheetah kernel: [17664.616838] ------------[ cut here
]------------
Dec 18 19:31:30 cheetah kernel: [17664.616841] kernel BUG at
/build/buildd/linux-2.6.27/fs/dcache.c:666!
Dec 18 19:31:30 cheetah kernel: [17664.616844] invalid opcode: 0000 [#2]
SMP
.... [ugly possibly unneeded msgs deleted]
This is just from reading files, not even trying to write. It's
intermittent. It works great up until I get either a "walk failed"
message or a message like:
Dec 18 19:21:17 cheetah kernel: [17051.214123] reading block 03/C7/00:
not there
Write seems to generally have the same problem.
Any ideas on how to debug this further?
Regards,
Mike
--
Michael Milligan -> milli@acmeps.com
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