Re: WARNING: at drivers/ata/libata-eh.c:664 (and others) with 2.6.27-05178

From: Christian Borntraeger
Date: Sun Oct 26 2008 - 07:02:52 EST


Am Samstag, 25. Oktober 2008 schrieb Christian Borntraeger:
> Hello Jens,
>
> while doing a backup on DVD+R I got the following warning (and a k3b hung).
> the drive is a Plextor 716A on a jmicron PATA port.
> I have never seen this with earlier kernels. I am a bit reluctant to
> reproduce or bisect this problem, since it might kills my blank DVDs.
> Could this be related to commit
> e013e13bf605b9e6b702adffbe2853cfc60e7806 (libata: fix bug with non-ncq
devices)?
> Thank you for any idea.

OK. Now it also fails on 2.6.26, so it looks like a hardware problem.
The only difference is, that 2.6.26 shows no WARN_ON.

Christian
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