Messages in this thread | | | Subject | Re: [BUG][REGRESSION] mangled display since -rc1 | From | Martin Kepplinger <> | Date | Sun, 6 Nov 2016 14:02:41 +0100 |
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Am 2016-11-06 um 12:43 schrieb Martin Kepplinger: > Am 2016-11-06 um 12:21 schrieb Thorsten Leemhuis: >> On 01.11.2016 12:47, Jani Nikula wrote: >>> On Tue, 01 Nov 2016, Martin Kepplinger <martink@posteo.de> wrote: >>>> I'll come up with a nouveau system example and it was quite easy to bisect. To quote the merge commit msg: >>>> This also required some changes outside of the IOMMU code, but these are acked by the respective maintainers. >>>> Any help on bisecting into it would be awesome. >>> So the information here is pretty scarce. Please file a bug at [1], >>> describe the problem, perhaps add drm.debug=14 module parameter and >>> attach dmesg from boot to reproducing the problem. >> >> Martin, did you do that and can point me to the bug? And if not: Any >> news on the issue? >> >> FWIW: I added this report to the list of regressions for Linux 4.9. I'll >> watch this thread for further updates on this issue to document progress >> in my weekly reports. Please let me know via regressions@leemhuis.info >> in case the discussion moves to a different place (bugzilla or another >> mail thread for example). >> >> tia! Ciao, Thorsten >> > > I did not file a bug in bugzilla yet. I haven't given up that we can fix > this here before the release. I've ignored it the last few days though. > > Again: This is the first bad commit: > > [56e520c7a0a490b63b042b047ec9659fc08762a4] Merge tag > 'iommu-updates-v4.9' of > git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu > > If you know how to bisect into this, please share your thoughts. Linus' > merge here is bigger than iommu-update-v4.9 i think and that's what I > have to look at really. I'm not sure how though. > > One part of the merge is indeed iiommu-updates-v4.9: > > That's the tag: > https://git.kernel.org/cgit/linux/kernel/git/joro/iommu.git/tag/?h=iommu-updates-v4.9 > > and the tagged object: > https://git.kernel.org/cgit/linux/kernel/git/joro/iommu.git/commit/?h=iommu-updates-v4.9&id=13a08259187c5cd3f63d98efa159ab42976d85a4 > > I'll have to think about how to check the iommu-updates-v4.9 part of the > merge again... to eliminate something. > -rc4 is still bad. all still relevant :(
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