On 09/20/2012 10:52 AM, Chris Friesen wrote:
Hi,
I've got a fairly beefy (32 cpus, 64GB ram, isci-based SAS disks,
etc.) embedded system running 2.6.27.
We're seeing issues where disk operations suddenly seem to stall. In
the most recent case we had the hung-task watchdog indicate that
md1_resync was stuck for more than 120sec in raise_barrier().
There are a bunch of "normal" tasks also stuck in wait_barrier(), so
based on that I assume we're stuck in the second call to
wait_event_lock_irq().
Has anyone seen anything like this? Could commit 73d5c38 be related?
What about 1d9d524?
Could d6b42dc be related?
Chris
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