On Wed, 2016-01-06 at 11:55 -0800, Kamal Mostafa wrote: > On Wed, 2016-01-06 at 17:05 +0000, Ben Hutchings wrote: > > On Tue, 2016-01-05 at 11:41 -0800, Kamal Mostafa wrote: > > > 4.2.8-ckt1 -stable review patch. If anyone has any objections, please let me know. > > > > > > ------------------ > > > > > > From: Mathias Nyman <mathias.nyman@xxxxxxxxxxxxxxx> > > > > > > commit e210c422b6fdd2dc123bedc588f399aefd8bf9de upstream. > > > > > > If the difference is big enough between the bytes asked and received > > > in a bulk transfer we can get a short transfer event pointing to a TRB in > > > the middle of the TD. We don't want to handle the TD yet as we will anyway > > > receive a new event for the last TRB in the TD. > > > > > > Hold off from finishing the TD and removing it from the list until we > > > receive an event for the last TRB in the TD > > > > > > Signed-off-by: Mathias Nyman <mathias.nyman@xxxxxxxxxxxxxxx> > > > Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> > > > [ kamal: backport to 4.2-stable: context ] > > > Signed-off-by: Kamal Mostafa <kamal@xxxxxxxxxxxxx> > > [...] > > > > This causes regressions (see https://bugs.debian.org/808602 and > > https://bugs.debian.org/808953 ) so please hold off until there's a > > complete fix upstream. > > Thanks for the heads-up, Ben. I'll defer it for 4.2-stable. > > I'm thinking that it should also be reverted from the stable kernels > that already carry it (3.2, 3.13, 3.16, 3.19), unless that complete > upstream fix is really imminent. Is it? Normally if there's a regression that affects both mainline and stable branches, we wait for it to be fixed in mainline first. Ben. -- Ben Hutchings Life would be so much easier if we could look at the source code.
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