Re: BUG: linux-2.6.39 kernel panic issue when hot-plut disk during I/O

[Stefan Richter <stefanr@s5r6.in-berlin.de>]

On Jun 07 Dan Williams wrote:
> On Mon, Jun 6, 2011 at 8:32 PM, Xiangliang Yu <yuxiangl@marvell.com> wrote:
> > 2.6.39-rc4 work fine, but 2.6.39-rc5 has kernel panic.
> 
> Still smells like a regression.  If you run a git bisect between those
> two versions it should be pretty straightforward to identify the
> offending commit.  There were some interesting block/scsi changes in
> that window:
> 
> Jens Axboe (5):
>       block: kill blk_flush_plug_list() export
>       cfq-iosched: read_lock() does not always imply rcu_read_lock()
>       block: get rid of QUEUE_FLAG_REENTER
>       block: remove stale kerneldoc member from __blk_run_queue()
>       elevator: check for ELEVATOR_INSERT_SORT_MERGE in !elvpriv case too
> 
> Liu Yuan (1):
>       block, blk-sysfs: Fix an err return path in blk_register_queue()
> 
> Tao Ma (1):
>       block: Remove the extra check in queue_requests_store
> 
> Tejun Heo (1):
>       block: don't propagate unlisted DISK_EVENTs to userland

Or try linux 3.0-rc2 which as yet another block queue lifetime vs. hotplug
fix (which is not yet available in a 2.6.39.y kernel).
-- 
Stefan Richter
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