On Sun, 16 Nov 2008, Tejun Heo wrote:
Alan Cox wrote:
On Fri, 14 Nov 2008 21:22:58 -0600
Robert Hancock <hancockr@xxxxxxx> wrote:
Justin Piszcz wrote:
I am trying to find out what the root cause of this error/problem is:
https://bugzilla.redhat.com/show_bug.cgi?id=462425
The problem is that people assume that timeouts with DRDY like that bug
refers to must be the same problem when it is often not
The first stopping point is to apply the DRQ drain patch I sent to the
list some time ago and is hopefully lined up for 2.6.29. After that point
you can begin to look at the remaining cases, until then its hardly worth
it.
Is it really? For many SATA controllers, DRQ draining isn't really
necessary. PATA might be a completely different story tho.
I have been running with the patch for almost 24 hours and running
extensive disk tests, so far nothing but sometimes it takes a few days
or more to repeat, I am continuing to test to see if the problem recurs..
Justin.
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