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Groups > linux.debian.kernel > #60061
| From | Robin Gareus <robin@gareus.org> |
|---|---|
| Newsgroups | linux.debian.bugs.dist, linux.debian.kernel |
| Subject | Bug#878221: linux-image-4.9.0-4-amd64: Screen flickers randomly with Radeon R9 270X since upgrade from 4.9.0-3 to 4.9.0-4 |
| Date | 2018-01-24 03:10 +0100 |
| Message-ID | <vbiFI-1Qp-5@gated-at.bofh.it> (permalink) |
| References | (1 earlier) <v7QcV-3Nq-5@gated-at.bofh.it> <uzUj1-3ov-53@gated-at.bofh.it> <v8uN3-6eL-1@gated-at.bofh.it> <uzUj1-3ov-53@gated-at.bofh.it> <v8uN3-6eL-1@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
Cross-posted to 2 groups.
The recent backport kernel does *not* have this issue. All is fine with 4.14.0-0.bpo.3-amd64 #1 SMP Debian 4.14.13-1~bpo9+1 (2018-01-14) This is on a Thinkpad X250 with 00:02.0 VGA compatible controller: Intel Corporation HD Graphics 5500 (rev 09) 4.9.0-4-amd64 and 4.9.0-5-amd64 on the same box do cause screen flickering. Chances are that the issue was introduced by the update to upstream 4.9.46. There are a handful of "drm/i915" changes: https://anonscm.debian.org/git/kernel/linux.git/commit/?h=debian/4.9.65-3%2bdeb9u2&id=17811b5a4b11b32307baca3b88067398a1168cfb "Workaround VLV/CHV DSI scanline counter hardware fail" sounds suspicious, but that's just a guess.
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Bug#878221: linux-image-4.9.0-4-amd64: Screen flickers randomly with Radeon R9 270X since upgrade from 4.9.0-3 to 4.9.0-4 Guilherme Ritter <gui.a.ritter@gmail.com> - 2018-01-14 14:10 +0100
Bug#878221: linux-image-4.9.0-4-amd64: Screen flickers randomly with Radeon R9 270X since upgrade from 4.9.0-3 to 4.9.0-4 Marco <marcods@gmx.net> - 2018-01-16 09:30 +0100
Bug#878221: linux-image-4.9.0-4-amd64: Screen flickers randomly with Radeon R9 270X since upgrade from 4.9.0-3 to 4.9.0-4 Robin Gareus <robin@gareus.org> - 2018-01-24 03:10 +0100
Bug#878221: linux-image-4.9.0-4-amd64: Screen flickers randomly with Radeon R9 270X since upgrade from 4.9.0-3 to 4.9.0-4 Guilherme Ritter <gui.a.ritter@gmail.com> - 2018-03-25 16:00 +0200
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