Control: tag -1 +pending On Fri, Mar 20, 2015 at 04:13:20PM +0000, Steve McIntyre wrote: >Package: src:linux >Version: 3.16.7-ckt7-1 >Severity: grave >Tags: upstream > >Hi folks, > >We've upgraded a couple of our Marvell Armada XP based (armel/armhf) >buildd machines to Jessie, and they've almost immediately fallen over >with symptoms of really bad data corruption. On further investigation >and discussion with some of the upstream maintainers for this >hardware, this is a known issue with I/O coherency and there are >patches available for testing: > > * 8f1e8ee28660018a935c7576b9af8ffe1feab54c is a patch to disable > coherency for now, and > * http://lists.infradead.org/pipermail/linux-arm-kernel/2015-March/330104.html > is a second patch needed too (do not register custom DMA operations > when coherency is disabled) > >I'm just doing a local build right now with these patches applied so I >can test. More news ASAP.
Summarising discussion from IRC: Patch #1 above was already applied to the jessie kernel, but patch #2 was not. The bpo kernel we have previously been using had neither, and that worked OK. My testing over the weekend with a locally-built kernel including patch #2 as well was 100% successful, so r22457 looks like it will fix this bug. A prompt upload would be appreciated to get this into Jessie for our buildds! :-) Cheers guys, and thanks very much for the quick replies. -- Steve McIntyre, Cambridge, UK. st...@einval.com "You can't barbecue lettuce!" -- Ellie Crane -- To UNSUBSCRIBE, email to debian-kernel-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org Archive: https://lists.debian.org/20150323125313.gc22...@einval.com
