[OpenAFS] afsd having problems on Linux machines

[Neulinger, Nathan]

Add "-stat 10000" or similar to your AFSD OPTIONS line in afs.conf.

-- Nathan

------------------------------------------------------------
Nathan Neulinger                       EMail:  nneul@umr.edu
University of Missouri - Rolla         Phone: (573) 341-4841
Computing Services                       Fax: (573) 341-4216


> -----Original Message-----
> From: Dr A V Le Blanc [mailto:LeBlanc@mcc.ac.uk]=20
> Sent: Monday, November 04, 2002 11:15 AM
> To: openafs-info@openafs.org
> Subject: [OpenAFS] afsd having problems on Linux machines
>=20
>=20
> I have some Linux machines running kernel 2.4.19 with openafs.
> (The machines are a mixture of Debian woody and potato, and
> openafs is version 1.2.7 in all cases.
>=20
> Recently I've seen a couple of machines with problems like this.
> Here are log files from two AFS clients.  They both had difficulties
> at the same time on Sunday, when there is a cron job runnning.
>=20
> What is the '-stat' parameter?  For some reason I can't get into
> the mailing list archives at the moment, so I can't confirm that
> someone else asked something about this recently.
>=20
>      -- Owen
>      LeBlanc@mcc.ac.uk
>=20
> Nov  3 07:47:30 brahe kernel: Increase -stat parameter of=20
> afsd(VLRU cycle?)<1>Unable to handle kernel paging request at=20
> virtual address ffffffff
> Nov  3 07:47:30 brahe kernel:  printing eip:
> Nov  3 07:47:30 brahe kernel: d08624d1
> Nov  3 07:47:30 brahe kernel: Oops: 0002
> Nov  3 07:47:30 brahe kernel: CPU:    0
> Nov  3 07:47:30 brahe kernel: EIP:    0010:[<d08624d1>]    Not tainted
> Nov  3 07:47:30 brahe kernel: EFLAGS: 00010286
> Nov  3 07:47:30 brahe kernel: eax: 0000002d   ebx: d0889fc8  =20
> ecx: c9464000   edx: cffdc8a0
> Nov  3 07:47:30 brahe kernel: esi: d093bea8   edi: c3cfa8e0  =20
> ebp: 00000fa2   esp: c9465d24
> Nov  3 07:47:30 brahe kernel: ds: 0018   es: 0018   ss: 0018
> Nov  3 07:47:30 brahe kernel: Process apache (pid: 6345,=20
> stackpage=3Dc9465000)
> Nov  3 07:47:30 brahe kernel: Stack: d087b240 c9465d70=20
> 00000010 00000202 0000052c 00000001 cc920018 d08421fd=20
> Nov  3 07:47:30 brahe kernel:        d087b240 c9465d70=20
> 00000010 00000202 00000000 00000000 c3cfa8e0 c9465ecc=20
> Nov  3 07:47:30 brahe kernel:        c13240fc d093bd88=20
> 00000004 00000000 c3cfa8e0 00000000 00000000 d0843ba7=20
> Nov  3 07:47:30 brahe kernel: Call Trace:    [<d087b240>]=20
> [<d08421fd>] [<d087b240>] [<d0843ba7>] [<d084adba>]
> Nov  3 07:47:30 brahe kernel:   [<d084b2ac>] [<d084b3dd>]=20
> [<d08462f7>] [<d086acfb>] [<d086e43e>] [<d086e416>]
> Nov  3 07:47:30 brahe kernel:   [cached_lookup+46/84]=20
> [permission+31/48] [link_path_walk+2096/2132] [dput+62/292]=20
> [path_walk+26/28] [open_namei+131/1320]
> Nov  3 07:47:30 brahe kernel:   [filp_open+59/92]=20
> [sys_open+54/132] [system_call+51/56]
> Nov  3 07:47:30 brahe kernel:=20
> Nov  3 07:47:30 brahe kernel: Code: c6 05 ff ff ff ff 2a 83=20
> c4 10 83 c4 0c c3 90 55 57 56 53 8b=20
>=20
> Nov  3 07:38:29 kepler kernel: Increase -stat parameter of=20
> afsd(VLRU cycle?)<1>Unable to handle kernel paging request at=20
> virtual address ffffffff
> Nov  3 07:38:29 kepler kernel:  printing eip:
> Nov  3 07:38:29 kepler kernel: d08624d1
> Nov  3 07:38:29 kepler kernel: Oops: 0002
> Nov  3 07:38:29 kepler kernel: CPU:    0
> Nov  3 07:38:30 kepler kernel: EIP:    0010:[<d08624d1>]   =20
> Not tainted
> Nov  3 07:38:30 kepler kernel: EFLAGS: 00010286
> Nov  3 07:38:30 kepler kernel: eax: 0000002d   ebx: d0889fc8 =20
>  ecx: ce390000   edx: cfeccbc0
> Nov  3 07:38:30 kepler kernel: esi: d093b6c8   edi: c38710a0 =20
>  ebp: 00000fa2   esp: ce391d04
> Nov  3 07:38:30 kepler kernel: ds: 0018   es: 0018   ss: 0018
> Nov  3 07:38:30 kepler kernel: Process apache (pid: 5170,=20
> stackpage=3Dce391000)
> Nov  3 07:38:30 kepler kernel: Stack: d087b240 ce391d50=20
> 00000003 00000000 d0ac4e90 d086bbe2 cd7cae00 d08421fd=20
> Nov  3 07:38:30 kepler kernel:        d087b240 ce391d50=20
> 00000003 00000000 00000000 00000000 c38710a0 ce391eac=20
> Nov  3 07:38:30 kepler kernel:        ce391de4 d093b5a8=20
> 00000004 00000000 c38710a0 00000000 00000000 d0843ba7=20
> Nov  3 07:38:30 kepler kernel: Call Trace:    [<d087b240>]=20
> [<d086bbe2>] [<d08421fd>] [<d087b240>] [<d0843ba7>]
> Nov  3 07:38:30 kepler kernel:   [<d084adba>] [<d084af03>]=20
> [<d084b2ac>] [<d084b3dd>] [<d08462f7>] [<d086acfb>]
> Nov  3 07:38:30 kepler kernel:   [<d086e43e>] [<d086e416>]=20
> [cached_lookup+46/84] [permission+31/48]=20
> [link_path_walk+2096/2132] [vfs_follow_link+209/316]
> Nov  3 07:38:30 kepler kernel:   [ext3_follow_link+23/28]=20
> [link_path_walk+913/2132] [getname+93/156] [path_walk+26/28]=20
> [__user_walk+53/80] [sys_newstat+25/112]
> Nov  3 07:38:30 kepler kernel:   [sys_open+89/132] [system_call+51/56]
> Nov  3 07:38:30 kepler kernel:=20
> Nov  3 07:38:30 kepler kernel: Code: c6 05 ff ff ff ff 2a 83=20
> c4 10 83 c4 0c c3 90 55 57 56 53 8b=20
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>=20