Public bug reported:
I periodically get these errors in the log:
[852303.850395] [drm:ivybridge_set_fifo_underrun_reporting] *ERROR* uncleared
fifo underrun on pipe B
[852303.850399] [drm:ivb_err_int_handler] *ERROR* Pipe B FIFO underrun
[854524.300634] [drm:cpt_set_fifo_underrun_reporting] *ERROR* uncleared pch
fifo underrun on pch transcoder A
[856131.510987] [drm:ivybridge_set_fifo_underrun_reporting] *ERROR* uncleared
fifo underrun on pipe B
[856131.510991] [drm:ivb_err_int_handler] *ERROR* Pipe B FIFO underrun
ProblemType: Bug
DistroRelease: Ubuntu 14.10
Package: linux-image-3.16.0-34-generic 3.16.0-34.47
ProcVersionSignature: Ubuntu 3.16.0-34.45-generic 3.16.7-ckt8
Uname: Linux 3.16.0-34-generic x86_64
ApportVersion: 2.14.7-0ubuntu8.4
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/pcmC1D0p: nodeax 2631 F...m pulseaudio
/dev/snd/controlC1: nodeax 2631 F.... pulseaudio
/dev/snd/controlC0: nodeax 2631 F.... pulseaudio
CurrentDesktop: Unity
Date: Sun Apr 19 17:00:25 2015
HibernationDevice: RESUME=UUID=dfedd1c5-c595-4165-aa06-003b20f8cf19
MachineType: System76, Inc. Gazelle Professional
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.16.0-34-generic
root=UUID=fd2a1529-14bd-4e1d-bb45-13cd9cbe5651 ro quiet splash vt.handoff=7
RelatedPackageVersions:
linux-restricted-modules-3.16.0-34-generic N/A
linux-backports-modules-3.16.0-34-generic N/A
linux-firmware 1.138.1
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 07/28/2014
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: 1.03.06RS761
dmi.board.asset.tag: Tag 12345
dmi.board.name: Gazelle Professional
dmi.board.vendor: System76, Inc.
dmi.board.version: gazp9b
dmi.chassis.asset.tag: No Asset Tag
dmi.chassis.type: 9
dmi.chassis.vendor: System76, Inc.
dmi.chassis.version: gazp9b
dmi.modalias:
dmi:bvnAmericanMegatrendsInc.:bvr1.03.06RS761:bd07/28/2014:svnSystem76,Inc.:pnGazelleProfessional:pvrgazp9b:rvnSystem76,Inc.:rnGazelleProfessional:rvrgazp9b:cvnSystem76,Inc.:ct9:cvrgazp9b:
dmi.product.name: Gazelle Professional
dmi.product.version: gazp9b
dmi.sys.vendor: System76, Inc.
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug utopic
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https://bugs.launchpad.net/bugs/1446008
Title:
ivybridge_set_fifo_underrun_reporting errors
Status in linux package in Ubuntu:
New
Bug description:
I periodically get these errors in the log:
[852303.850395] [drm:ivybridge_set_fifo_underrun_reporting] *ERROR* uncleared
fifo underrun on pipe B
[852303.850399] [drm:ivb_err_int_handler] *ERROR* Pipe B FIFO underrun
[854524.300634] [drm:cpt_set_fifo_underrun_reporting] *ERROR* uncleared pch
fifo underrun on pch transcoder A
[856131.510987] [drm:ivybridge_set_fifo_underrun_reporting] *ERROR* uncleared
fifo underrun on pipe B
[856131.510991] [drm:ivb_err_int_handler] *ERROR* Pipe B FIFO underrun
ProblemType: Bug
DistroRelease: Ubuntu 14.10
Package: linux-image-3.16.0-34-generic 3.16.0-34.47
ProcVersionSignature: Ubuntu 3.16.0-34.45-generic 3.16.7-ckt8
Uname: Linux 3.16.0-34-generic x86_64
ApportVersion: 2.14.7-0ubuntu8.4
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/pcmC1D0p: nodeax 2631 F...m pulseaudio
/dev/snd/controlC1: nodeax 2631 F.... pulseaudio
/dev/snd/controlC0: nodeax 2631 F.... pulseaudio
CurrentDesktop: Unity
Date: Sun Apr 19 17:00:25 2015
HibernationDevice: RESUME=UUID=dfedd1c5-c595-4165-aa06-003b20f8cf19
MachineType: System76, Inc. Gazelle Professional
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.16.0-34-generic
root=UUID=fd2a1529-14bd-4e1d-bb45-13cd9cbe5651 ro quiet splash vt.handoff=7
RelatedPackageVersions:
linux-restricted-modules-3.16.0-34-generic N/A
linux-backports-modules-3.16.0-34-generic N/A
linux-firmware 1.138.1
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 07/28/2014
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: 1.03.06RS761
dmi.board.asset.tag: Tag 12345
dmi.board.name: Gazelle Professional
dmi.board.vendor: System76, Inc.
dmi.board.version: gazp9b
dmi.chassis.asset.tag: No Asset Tag
dmi.chassis.type: 9
dmi.chassis.vendor: System76, Inc.
dmi.chassis.version: gazp9b
dmi.modalias:
dmi:bvnAmericanMegatrendsInc.:bvr1.03.06RS761:bd07/28/2014:svnSystem76,Inc.:pnGazelleProfessional:pvrgazp9b:rvnSystem76,Inc.:rnGazelleProfessional:rvrgazp9b:cvnSystem76,Inc.:ct9:cvrgazp9b:
dmi.product.name: Gazelle Professional
dmi.product.version: gazp9b
dmi.sys.vendor: System76, Inc.
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