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

[Alexander Beregalov]

2009/10/26 Rafael J. Wysocki <rjw@xxxxxxx>:
> 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. ÂPlease 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@xxxxxxxxx>
> Date      Â: 2009-10-02 9:46 (25 days old)
> References   Â: http://marc.info/?l=linux-kernel&m=125447680016160&w=4
> Handled-By   Â: Dan Williams <dan.j.williams@xxxxxxxxx>
> 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.
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