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From: Nick Piggin <nickpiggin@yahoo.com.au>
To: Michal Piotrowski <michal.k.k.piotrowski@gmail.com>
Cc: Flavio Curti <lists.fcu@no-way.org>,
	linux-kernel@vger.kernel.org, Jens Axboe <jens.axboe@oracle.com>
Subject: Re: panics with 16port Promise Supertrack EX Controller
Date: Mon, 09 Jul 2007 11:59:36 +1000	[thread overview]
Message-ID: <46919688.1050005@yahoo.com.au> (raw)
In-Reply-To: <6bffcb0e0707081620pf4afd46re9e74e18518b352a@mail.gmail.com>

Michal Piotrowski wrote:
> Hi Flavio,
> 
> On 09/07/07, Flavio Curti <lists.fcu@no-way.org> wrote:
> 
>> Hello
>>
>> I have a problem with a server running 2.6.22rc4.
> 
> 
> Jul  8 00:19:13 dorade.cyberlink.ch EFLAGS: 00210046   
> (2.6.22-rc7-dorade #1)
> 
> Is this a regression?
> 
>> The machine panics
>> after some days of running fine, the machine inst heavy loaded.
>>
>> The Controller detects as stex device:
>>
>> scsi0 : stex
>> scsi 0:0:0:0: Direct-Access Promise 1X2 Mirror      1.10 PQ: 0 ANSI: 3
>> scsi 0:0:2:0: Direct-Access Promise  12+2 Disk RAID6  1.10 PQ: 0 ANSI: 3
>> scsi 0:0:16:0: Processor Promise RAID Console     1.00 PQ: 0 ANSI: 3
>> sd 0:0:0:0: [sda] 976642048 512-byte hardware sectors (500041 MB)
>> sd 0:0:0:0: [sda] Write Protect is off
>> sd 0:0:0:0: [sda] Write cache: enabled, read cache: enabled, doesn't 
>> support DPO or FUA
>> sd 0:0:0:0: [sda] 976642048 512-byte hardware sectors (500041 MB)
>> sd 0:0:0:0: [sda] Write Protect is off
>> sd 0:0:0:0: [sda] Write cache: enabled, read cache: enabled, doesn't 
>> support DPO or FUA
>>  sda: sda1 sda2
>> sd 0:0:0:0: [sda] Attached SCSI disk
>> sd 0:0:2:0: [sdb] Very big device.  Trying to use READ CAPACITY(16).
>> sd 0:0:2:0: [sdb] 11719704576 512-byte hardware sectors (6000489 MB)
>> sd 0:0:2:0: [sdb] Write Protect is off
>> sd 0:0:2:0: [sdb] Write cache: enabled, read cache: enabled, doesn't 
>> support DPO or FUA
>> sd 0:0:2:0: [sdb] Very big device.  Trying to use READ CAPACITY(16).
>> sd 0:0:2:0: [sdb] 11719704576 512-byte hardware sectors (6000489 MB)
>> sd 0:0:2:0: [sdb] Write Protect is off
>> sd 0:0:2:0: [sdb] Write cache: enabled, read cache: enabled, doesn't 
>> support DPO or FUA
>>  sdb: sdb1
>> sd 0:0:2:0: [sdb] Attached SCSI disk
>> sd 0:0:0:0: Attached scsi generic sg0 type 0
>> sd 0:0:2:0: Attached scsi generic sg1 type 0
>> scsi 0:0:16:0: Attached scsi generic sg2 type 3
>>
>> Im not sure where the problem is (controller/lvm/ext3), so if anyone has
>> an idea, Im happy to try it out...
> 
> 
> kernel BUG at block/as-iosched.c:1084!
> 
> BUG_ON(RB_EMPTY_ROOT(&ad->sort_list[REQ_ASYNC]));

Could be a bug in the driver that just happens to be caught by AS checks.
If you could test another scheduler (boot with elevator=deadline or elevator=cfq),
it might help give us an idea.

-- 
SUSE Labs, Novell Inc.

  reply	other threads:[~2007-07-09  1:59 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-07-08 22:52 panics with 16port Promise Supertrack EX Controller Flavio Curti
2007-07-08 23:20 ` Michal Piotrowski
2007-07-09  1:59   ` Nick Piggin [this message]
2007-07-15  8:02     ` Flavio Curti
2007-07-16 11:17       ` Jens Axboe
2007-07-15 22:51     ` Flavio Curti
2007-07-16  0:35       ` Randy Dunlap
2007-07-16  8:50         ` Flavio Curti
2007-07-09 10:45   ` Flavio Curti
  -- strict thread matches above, loose matches on Subject: below --
2007-07-17  1:26 Ed Lin

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