Amanda-Users

Re: Are you running snapshots?

2009-08-12 00:54:52
Subject: Re: Are you running snapshots?
From: Gene Heskett <gene.heskett AT verizon DOT net>
To: amanda-users AT amanda DOT org
Date: Wed, 12 Aug 2009 00:41:29 -0400
On Tuesday 11 August 2009, Dustin J. Mitchell wrote:
>On Tue, Aug 11, 2009 at 12:56 PM, Gene Heskett<gene.heskett AT verizon DOT 
>net> wrote:
>> I have been following the 2.6.2 snapshots, usually within a day or so, for
>> several months.  You've heard about it when I have problems, which isn't
>> often.
>
>Thanks, Gene -- this has been a great help!
>
>Dustin

You are welcome Dustin.  But understand I do this with the image of the canary
in the coal mine in mind.  If my canary dies, its time to yelp.  Its been 
pretty healthy of late so I don't have anything to fuss about other than tars
penchant for triggering an Oopsen on the estimate run of the first amanda
invocation after a reboot.

Just in case you haven't seen that yet, here it is so you can pass judgment 
and/or point a finger:
===============
Aug  5 01:15:01 coyote xinetd[2259]: START: amanda pid=19290 
from=::ffff:192.168.71.3
Aug  5 01:16:16 coyote kernel: [ 8621.118387] BUG: Bad page state in process 
tar  pfn:a1193
Aug  5 01:16:16 coyote kernel: [ 8621.118394] page:c28fc260 flags:80004000 
count:0 mapcount:0 mapping:(null) index:0
Aug  5 01:16:16 coyote kernel: [ 8621.118398] Pid: 19517, comm: tar Not tainted 
2.6.31-rc5 #3
Aug  5 01:16:16 coyote kernel: [ 8621.118400] Call Trace:
Aug  5 01:16:16 coyote kernel: [ 8621.118408]  [<c130cc83>] ? printk+0x23/0x40
Aug  5 01:16:16 coyote kernel: [ 8621.118414]  [<c1083d6f>] bad_page+0xcf/0x150
Aug  5 01:16:16 coyote kernel: [ 8621.118417]  [<c1084e0d>] 
get_page_from_freelist+0x37d/0x480
Aug  5 01:16:16 coyote kernel: [ 8621.118421]  [<c107ed54>] ? 
add_to_page_cache_lru+0x84/0x90
Aug  5 01:16:16 coyote kernel: [ 8621.118424]  [<c10850ef>] 
__alloc_pages_nodemask+0xdf/0x520
Aug  5 01:16:16 coyote kernel: [ 8621.118429]  [<c1052bbd>] ? 
hrtimer_interrupt+0xdd/0x250
Aug  5 01:16:16 coyote kernel: [ 8621.118432]  [<c1087954>] 
__do_page_cache_readahead+0x104/0x220
Aug  5 01:16:16 coyote kernel: [ 8621.118436]  [<c1087aa4>] ra_submit+0x34/0x50
Aug  5 01:16:16 coyote kernel: [ 8621.118438]  [<c1087d00>] 
ondemand_readahead+0x120/0x240
Aug  5 01:16:16 coyote kernel: [ 8621.118441]  [<c1087ebc>] 
page_cache_async_readahead+0x9c/0xb0
Aug  5 01:16:16 coyote kernel: [ 8621.118445]  [<c10806ac>] 
generic_file_aio_read+0x33c/0x6a0
Aug  5 01:16:16 coyote kernel: [ 8621.118468]  [<c10b09c9>] 
do_sync_read+0xe9/0x140
Aug  5 01:16:16 coyote kernel: [ 8621.118472]  [<c104e400>] ? 
autoremove_wake_function+0x0/0x60
Aug  5 01:16:16 coyote kernel: [ 8621.118477]  [<c115211e>] ? 
security_file_permission+0x1e/0x40
Aug  5 01:16:16 coyote kernel: [ 8621.118479]  [<c10b0a80>] ? 
rw_verify_area+0x60/0xe0
Aug  5 01:16:16 coyote kernel: [ 8621.118483]  [<c10b1827>] vfs_read+0xb7/0x180
Aug  5 01:16:16 coyote kernel: [ 8621.118485]  [<c10b08e0>] ? 
do_sync_read+0x0/0x140
Aug  5 01:16:16 coyote kernel: [ 8621.118488]  [<c10b19f8>] sys_read+0x58/0xa0
Aug  5 01:16:16 coyote kernel: [ 8621.118491]  [<c10031b7>] 
sysenter_do_call+0x12/0x22
Aug  5 01:16:16 coyote kernel: [ 8621.118494] Disabling lock debugging due to 
kernel taint
Aug  5 01:21:01 coyote xinetd[2259]: EXIT: amanda status=0 pid=19290 
duration=360(sec)
=========================================
that was I believe the estimate run.

And once it has that out of its system, no repeats, uptime is now 4d 13:11 on
this kernel.  So its your call, I've been pointing my finger at the kernel.

-- 
Cheers, Gene
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