Re: [Bug #14375] Intel(R) I/OAT DMA Engine init failed

Rafael J. Wysocki
2009-10-26T22:10:32Z

On Monday 26 October 2009, Alexander Beregalov wrote:
> 2009/10/26 Rafael J. Wysocki <rjw@sisk.pl>:
> > This message has been generated automatically as a part of a report
> > of recent regressions.
> >
> > The following bug entry is on the current list of known regressions
> > from 2.6.31. Please verify if it still should be listed and let me know
> > (either way).
> >
> >
> > Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=14375
> > Subject : Intel(R) I/OAT DMA Engine init failed
> > Submitter : Alexander Beregalov <a.beregalov@gmail.com>
> > Date : 2009-10-02 9:46 (25 days old)
> > References : http://marc.info/?l=linux-kernel&m=125447680016160&w=4
> > Handled-By : Dan Williams <dan.j.williams@intel.com>
> > Patch : http://patchwork.kernel.org/patch/51808/
>
> When I patch reiserfs the bug goes to libata, it means ioatdma works
> and libata does not. It looks like inaccurate work with memory
> somewhere, but I do not know how to find it.
> I cannot reproduce it since 2.6.32-rc3 and I do not see any bugs since then.

Since you can't reproduce it with -rc3 and later, I'm going to close it now.
Please reopen if the problem reappears.

Best,
Rafael