On Fri, Jun 6, 2014 at 8:52 AM, Dan Williams <[email protected]> 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 <[email protected]> > Cc: <[email protected]> > Cc: Tuan Phan <[email protected]> > Cc: Dave Jiang <[email protected]> > Cc: Suman Tripathi <[email protected]> > Cc: Ed Ciechanowski <[email protected]> > Cc: Matthew Wilcox <[email protected]> > Tested-by: Ming Lei <[email protected]> > Reported-by: Ming Lei <[email protected]> > Signed-off-by: Dan Williams <[email protected]> > ---
Hold off on this as it appears an ahci_xgene fix is on its way. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/

