[Expired for linux (Ubuntu) because there has been no activity for 60
days.]
** Changed in: linux (Ubuntu)
Status: Incomplete => Expired
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https://bugs.launchpad.net/bugs/1386867
Title:
radeon fence failure reduces screen resolution
Status in linux package in Ubuntu:
Expired
Bug description:
While using Kubuntu 14.10 sometimes the screen blacks out for a few
seconds and then comes back to life, but often with highly reduced
resolution. The resolution of the screen actually seems to be fine (as
evident by taking a screenshot) but things seem to get rendered on a
much too small buffer and then streched to fit the screen (terrible
upscaling?). Sorry I'm having a hard time explaining it, but see the
attached screenshot.
This actually happened multiple times. One time it logged me out of
KDE, another time KDE stayed active but the resolution was reduced (or
whatever this is)
Attached is the output of dmesg, the relevant error seems to start here:
[12105.193052] radeon 0000:01:00.0: ring 0 stalled for more than 10140msec
[12105.193058] radeon 0000:01:00.0: GPU lockup (waiting for
0x00000000000dec08 last fence id 0x00000000000dec03 on ring 0)
[12105.674184] radeon 0000:01:00.0: Saved 592 dwords of commands on ring 0.
[12105.674320] radeon 0000:01:00.0: GPU softreset: 0x0000006C
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ApportVersion: 2.14.7-0ubuntu8
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC2: afiefh 2735 F.... pulseaudio
/dev/snd/pcmC0D0p: afiefh 2735 F...m pulseaudio
/dev/snd/controlC0: afiefh 2735 F.... pulseaudio
/dev/snd/controlC1: afiefh 2735 F.... pulseaudio
CurrentDesktop: KDE
DistroRelease: Ubuntu 14.10
HibernationDevice: RESUME=UUID=2a980291-317d-413c-867c-14dfe0a1e701
InstallationDate: Installed on 2014-10-17 (17 days ago)
InstallationMedia: Kubuntu 14.10 "Utopic Unicorn" - Alpha amd64 (20140923)
MachineType: Gigabyte Technology Co., Ltd. To be filled by O.E.M.
Package: linux (not installed)
ProcFB: 0 radeondrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.16.0-24-generic.efi.signed
root=UUID=f9b26eb7-84d6-4fba-8574-3966b80cdf3a ro quiet splash vt.handoff=7
ProcVersionSignature: Ubuntu 3.16.0-24.32-generic 3.16.4
RelatedPackageVersions:
linux-restricted-modules-3.16.0-24-generic N/A
linux-backports-modules-3.16.0-24-generic N/A
linux-firmware 1.138
Tags: utopic
Uname: Linux 3.16.0-24-generic x86_64
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo
_MarkForUpload: True
dmi.bios.date: 12/06/2013
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: F16
dmi.board.asset.tag: To be filled by O.E.M.
dmi.board.name: H77-D3H
dmi.board.vendor: Gigabyte Technology Co., Ltd.
dmi.board.version: x.x
dmi.chassis.asset.tag: To Be Filled By O.E.M.
dmi.chassis.type: 3
dmi.chassis.vendor: Gigabyte Technology Co., Ltd.
dmi.chassis.version: To Be Filled By O.E.M.
dmi.modalias:
dmi:bvnAmericanMegatrendsInc.:bvrF16:bd12/06/2013:svnGigabyteTechnologyCo.,Ltd.:pnTobefilledbyO.E.M.:pvrTobefilledbyO.E.M.:rvnGigabyteTechnologyCo.,Ltd.:rnH77-D3H:rvrx.x:cvnGigabyteTechnologyCo.,Ltd.:ct3:cvrToBeFilledByO.E.M.:
dmi.product.name: To be filled by O.E.M.
dmi.product.version: To be filled by O.E.M.
dmi.sys.vendor: Gigabyte Technology Co., Ltd.
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