svn commit: r278034 - head/sys/dev/ahci
Edward Tomasz Napierała
trasz at FreeBSD.org
Sun Feb 1 20:31:37 UTC 2015
On 0201T2000, Steven Hartland wrote:
> Author: smh
> Date: Sun Feb 1 20:00:08 2015
> New Revision: 278034
> URL: https://svnweb.freebsd.org/changeset/base/278034
>
> Log:
> Add a quirk to limit AHCI MSI vectors to one
>
> In 10.1-RELEASE the default number of MSI vectors used was changed from one
> to as many vectors as the HW supports.
>
> This change resulted in an ahci timeouts regression when running on AMD
> SB7x0/SB8x0/SB9x0 hardware, so its now limited to 1 MSI by default using
> this new quirk.
Could it fix https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=195349?
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