Messages in this thread | | | Date | Fri, 6 Jun 2014 14:35:26 -0700 | Subject | Re: [boot regression PATCH] libata: allow xgene-ahci to opt-out of tag ordered submission | From | Dan Williams <> |
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On Fri, Jun 6, 2014 at 8:52 AM, Dan Williams <dan.j.williams@intel.com> wrote: > Ming Lei reports: > "Looks the commit 8a4aeec8d(libata/ahci: accommodate tag ordered > controllers) causes below sata failure on APM AHCI controller. > > And the error does disappear after reverting the commit. > > ata4.00: exception Emask 0x40 SAct 0xff00 SErr 0x800 action 0x6 frozen > ata4: SError: { HostInt } > ata4.00: failed command: READ FPDMA QUEUED > ata4.00: cmd 60/08:40:e0:a4:88/00:00:04:00:00/40 tag 8 ncq 4096 in > res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x44 (timeout)" > > http://marc.info/?l=linux-kernel&m=140195842716315&w=2 > > Maintain tag ordered submission as the default, but allow xgene-ahci to > continue with the old behavior. > > Cc: Loc Ho <lho@apm.com> > Cc: <stable@vger.kernel.org> > Cc: Tuan Phan <tphan@apm.com> > Cc: Dave Jiang <dave.jiang@intel.com> > Cc: Suman Tripathi <stripathi@apm.com> > Cc: Ed Ciechanowski <ed.ciechanowski@intel.com> > Cc: Matthew Wilcox <matthew.r.wilcox@intel.com> > Tested-by: Ming Lei <ming.lei@canonical.com> > Reported-by: Ming Lei <ming.lei@canonical.com> > Signed-off-by: Dan Williams <dan.j.williams@intel.com> > ---
Hold off on this as it appears an ahci_xgene fix is on its way.
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