[Bugme-janitors] [Bug 24012] Commit g18733b0 hangs my LVM+raid10 system

[bugzilla-daemon at bugzilla.kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=24012


Giacomo Catenazzi <cate at cateee.net> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
  Attachment #38582|0                           |1
        is obsolete|                            |
  Attachment #38612|0                           |1
        is obsolete|                            |




--- Comment #13 from Giacomo Catenazzi <cate at cateee.net>  2010-12-01 06:50:35 ---
Created an attachment (id=38732)
 --> (https://bugzilla.kernel.org/attachment.cgi?id=38732)
log with the patch to display more info

Note: I've "updated" to rc4, and I still applied the spinlock patch of msg #8

The summary of results:

EXT4-fs (dm-0): re-mounted. Opts: errors=remount-ro
Want flush ffff88022db4aa80
flushing ffff88022db4aa80
Submit flush ffff88022db4df08
Submit flush ffff88022db4dd88
Submit flush ffff88022db4da88
Submit flush ffff88022db4d008
Want flush ffff88022db4af00
Want flush ffff88022d6c16c0
SysRq : Show State

Additionally (with 2.6.36):
cateee:/home/cate# grep -H . /sys/block/*/device/scsi_disk/*/cache_type
/sys/block/sda/device/scsi_disk/0:0:0:0/cache_type:write back
/sys/block/sdb/device/scsi_disk/1:0:0:0/cache_type:write back
/sys/block/sdc/device/scsi_disk/4:0:0:0/cache_type:write back
/sys/block/sdd/device/scsi_disk/5:0:0:0/cache_type:write back

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