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From: bugzilla-daemon@freedesktop.org
To: dri-devel@lists.freedesktop.org
Subject: [Bug 108514] heavy screen flickering with Mobility Radeon X1600 and kernel version onwards 3.13
Date: Mon, 22 Oct 2018 16:07:16 +0000	[thread overview]
Message-ID: <bug-108514-502@http.bugs.freedesktop.org/> (raw)


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https://bugs.freedesktop.org/show_bug.cgi?id=108514

            Bug ID: 108514
           Summary: heavy screen flickering with Mobility Radeon X1600 and
                    kernel version onwards 3.13
           Product: DRI
           Version: unspecified
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: DRM/Radeon
          Assignee: dri-devel@lists.freedesktop.org
          Reporter: werner.lueckel@googlemail.com

my laptop: HP Compaq nx9420
my grafic card:
01:00.0 VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI]
RV530/M56-P [Mobility Radeon X1600] (prog-if 00 [VGA controller])
screen resolution: 1680x1050@60.1

when booting UBUNTU "14.04.5 LTS, Trusty Tahr" kernel 3.13.0-160-generic
-> the screen is fine in text-mode and in grafic-mode; NO flickering.
boot-messages say:
[drm] Initialized radeon 2.36.0 ...

BUT,
when booting UBUNTU "18.04.1 LTS (Bionic Beaver)" kernel 4.15.0-36-generic
-> the screen starts heavy flickering as soon as the kernel-module "radeon.ko"
is loaded. The flickering continues in grafic-mode.
here the boot-messages say:
[drm] Initialized radeon 2.50.0 ...
so: this seems to be a new version of radeon.ko.

My question:
- is there a method or a 'hidden flag' to switch radeon.ko-2.50 back to the
  good behaviour of radeon.ko-2.16?

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             reply	other threads:[~2018-10-22 16:07 UTC|newest]

Thread overview: 47+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-10-22 16:07 bugzilla-daemon [this message]
2018-10-22 18:14 ` [Bug 108514] heavy screen flickering with Mobility Radeon X1600 and kernel version onwards 3.13 bugzilla-daemon
2018-10-23 16:31 ` bugzilla-daemon
2018-10-23 16:34 ` bugzilla-daemon
2018-10-23 16:45 ` bugzilla-daemon
2018-10-23 17:07 ` bugzilla-daemon
2018-10-24 13:29 ` bugzilla-daemon
2018-10-30 15:54 ` bugzilla-daemon
2018-11-04 14:41 ` bugzilla-daemon
2018-11-04 14:43 ` bugzilla-daemon
2018-11-04 14:48 ` bugzilla-daemon
2018-12-04 14:39 ` bugzilla-daemon
2018-12-07 16:40 ` bugzilla-daemon
2019-02-06 19:34 ` bugzilla-daemon
2019-02-06 22:42 ` bugzilla-daemon
2019-02-07  8:07 ` [Bug 108514] heavy screen flickering with Mobility Radeon X1600 and kernel version 3.15rc2 onward bugzilla-daemon
2019-02-07  8:13 ` bugzilla-daemon
2019-02-07 19:38 ` bugzilla-daemon
2019-02-07 19:40 ` bugzilla-daemon
2019-02-07 19:53 ` bugzilla-daemon
2019-02-07 19:54 ` bugzilla-daemon
2019-02-07 21:34 ` bugzilla-daemon
2019-02-07 21:36 ` bugzilla-daemon
2019-02-07 21:58 ` bugzilla-daemon
2019-02-07 22:04 ` bugzilla-daemon
2019-02-07 22:53 ` bugzilla-daemon
2019-02-07 22:54 ` bugzilla-daemon
2019-02-07 23:02 ` bugzilla-daemon
2019-02-07 23:05 ` bugzilla-daemon
2019-02-08 20:05 ` bugzilla-daemon
2019-02-12 21:43 ` bugzilla-daemon
2019-02-12 21:43 ` bugzilla-daemon
2019-02-12 21:49 ` bugzilla-daemon
2019-02-14 21:36 ` bugzilla-daemon
2019-02-14 22:22 ` bugzilla-daemon
2019-02-19 21:25 ` bugzilla-daemon
2019-04-15 13:07 ` bugzilla-daemon
2019-04-15 13:13 ` bugzilla-daemon
2019-05-06 14:18 ` bugzilla-daemon
2019-05-06 14:19 ` bugzilla-daemon
2019-05-15  6:36 ` bugzilla-daemon
2019-06-12 16:27 ` bugzilla-daemon
2019-11-23  2:24 ` bugzilla-daemon
2019-11-23  2:28 ` bugzilla-daemon
2019-11-25  9:46 ` bugzilla-daemon
2019-12-08  6:00 ` bugzilla-daemon
2019-12-09 10:58 ` bugzilla-daemon

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