Re: panics with 16port Promise Supertrack EX Controller

From: Michal Piotrowski
Date: Sun Jul 08 2007 - 19:21:04 EST


Hi Flavio,

On 09/07/07, Flavio Curti <lists.fcu@xxxxxxxxxx> 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]));


Thank you

Flavio Curti

--
http://no-way.org/~fcu/



Regards,
Michal

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