*** This bug is a duplicate of bug 1360545 ***
https://bugs.launchpad.net/bugs/1360545
** This bug has been marked a duplicate of bug 1360545
[trusty] [drm] HPD interrupt storm detected on connector DP-1: switching
from hotplug detection to polling
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https://bugs.launchpad.net/bugs/1360732
Title:
[utopic] [drm] HPD interrupt storm detected on connector DP-1:
switching from hotplug detection to polling
Status in xserver-xorg-video-intel package in Ubuntu:
Confirmed
Bug description:
This is essentially the same issue as bug #1360545 but on utopic. On
utopic there are also some kernel backtraces as shown below. The
system was completely unresponsive and I had to actually unplug the
displayport dongle to be able to file this bug report.
In addition to the interrupt storm message I got on trusty I also saw:
[ 3.713503] [drm:ivybridge_set_fifo_underrun_reporting] *ERROR* uncleared
fifo underrun on pipe C
[ 3.713536] [drm:ivb_err_int_handler] *ERROR* Pipe C FIFO underrun
The numerous backtraces looked similar to this each time, they appear
to be happening about 3 times per second until I unplugged the dongle.
[ 3.721942] ------------[ cut here ]------------
[ 3.721959] WARNING: CPU: 0 PID: 83 at
/build/buildd/linux-3.16.0/drivers/gpu/drm/i915/intel_dp.c:3122
intel_dp_link_down+0x1a9/0x230 [i915]()
[ 3.721960] Modules linked in: mxm_wmi i915 igb psmouse e1000e
firewire_ohci drm_kms_helper dca firewire_core drm ahci ptp crc_itu_t
i2c_algo_bit libahci pps_core wmi video
[ 3.721969] CPU: 0 PID: 83 Comm: kworker/0:1 Not tainted 3.16.0-10-generic
#15-Ubuntu
[ 3.721970] Hardware name: Gigabyte Technology Co., Ltd.
Z87X-UD5H/Z87X-UD5H-CF, BIOS 10c 06/12/2014
[ 3.721978] Workqueue: events i915_hotplug_work_func [i915]
[ 3.721979] 0000000000000009 ffff8807ee2f7c88 ffffffff82777e9f
0000000000000000
[ 3.721981] ffff8807ee2f7cc0 ffffffff8206fced ffff8807e8b20000
0000000080000002
[ 3.721983] ffff8807ee642800 0000000000000003 ffff8807ee6460d8
ffff8807ee2f7cd0
[ 3.721984] Call Trace:
[ 3.721989] [<ffffffff82777e9f>] dump_stack+0x45/0x56
[ 3.721991] [<ffffffff8206fced>] warn_slowpath_common+0x7d/0xa0
[ 3.721993] [<ffffffff8206fdca>] warn_slowpath_null+0x1a/0x20
[ 3.722002] [<ffffffffc028f069>] intel_dp_link_down+0x1a9/0x230 [i915]
[ 3.722011] [<ffffffffc0294505>] intel_dp_complete_link_train+0x105/0x390
[i915]
[ 3.722020] [<ffffffffc0294da8>] intel_dp_check_link_status+0xb8/0x1b0
[i915]
[ 3.722028] [<ffffffffc028ba98>] intel_ddi_hot_plug+0x28/0x30 [i915]
[ 3.722035] [<ffffffffc0251f74>] i915_hotplug_work_func+0x1f4/0x340 [i915]
[ 3.722037] [<ffffffff8208d812>] process_one_work+0x182/0x4e0
[ 3.722039] [<ffffffff8208dbdb>] worker_thread+0x6b/0x6a0
[ 3.722041] [<ffffffff8277ab6d>] ? __schedule+0x39d/0x890
[ 3.722042] [<ffffffff8208db70>] ? process_one_work+0x4e0/0x4e0
[ 3.722045] [<ffffffff82094a1b>] kthread+0xdb/0x100
[ 3.722047] [<ffffffff82094940>] ? kthread_create_on_node+0x1c0/0x1c0
[ 3.722048] [<ffffffff8277fe7c>] ret_from_fork+0x7c/0xb0
[ 3.722050] [<ffffffff82094940>] ? kthread_create_on_node+0x1c0/0x1c0
[ 3.722051] ---[ end trace eb9925ee23e16705 ]---
ProblemType: Bug
DistroRelease: Ubuntu 14.10
Package: xorg 1:7.7+1ubuntu8
ProcVersionSignature: Ubuntu 3.16.0-10.15-generic 3.16.1
Uname: Linux 3.16.0-10-generic x86_64
.tmp.unity.support.test.0:
ApportVersion: 2.14.6-0ubuntu2
Architecture: amd64
CasperVersion: 1.343
CompizPlugins: No value set for
`/apps/compiz-1/general/screen0/options/active_plugins'
CompositorRunning: compiz
CompositorUnredirectDriverBlacklist: '(nouveau|Intel).*Mesa 8.0'
CompositorUnredirectFSW: true
CurrentDesktop: Unity
Date: Sun Aug 24 01:23:26 2014
DistUpgraded: Fresh install
DistroCodename: utopic
DistroVariant: ubuntu
ExtraDebuggingInterest: Yes, including running git bisection searches
GraphicsCard:
Intel Corporation Xeon E3-1200 v3/4th Gen Core Processor Integrated Graphics
Controller [8086:0412] (rev 06) (prog-if 00 [VGA controller])
Subsystem: Gigabyte Technology Co., Ltd Device [1458:d000]
LiveMediaBuild: Ubuntu 14.10 "Utopic Unicorn" - Alpha amd64 (20140822)
MachineType: Gigabyte Technology Co., Ltd. Z87X-UD5H
ProcEnviron:
TERM=xterm
PATH=(custom, no user)
XDG_RUNTIME_DIR=<set>
LANG=en_US.UTF-8
SHELL=/bin/bash
ProcKernelCmdLine: BOOT_IMAGE=/casper/vmlinuz.efi
file=/cdrom/preseed/username.seed boot=casper quiet splash --
SourcePackage: xorg
Symptom: display
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 06/12/2014
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: 10c
dmi.board.asset.tag: To be filled by O.E.M.
dmi.board.name: Z87X-UD5H-CF
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.:bvr10c:bd06/12/2014:svnGigabyteTechnologyCo.,Ltd.:pnZ87X-UD5H:pvrTobefilledbyO.E.M.:rvnGigabyteTechnologyCo.,Ltd.:rnZ87X-UD5H-CF:rvrx.x:cvnGigabyteTechnologyCo.,Ltd.:ct3:cvrToBeFilledByO.E.M.:
dmi.product.name: Z87X-UD5H
dmi.product.version: To be filled by O.E.M.
dmi.sys.vendor: Gigabyte Technology Co., Ltd.
version.compiz: compiz 1:0.9.12+14.10.20140812-0ubuntu1
version.ia32-libs: ia32-libs N/A
version.libdrm2: libdrm2 2.4.56-1
version.libgl1-mesa-dri: libgl1-mesa-dri 10.2.6-1ubuntu2
version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
version.libgl1-mesa-glx: libgl1-mesa-glx 10.2.6-1ubuntu2
version.xserver-xorg-core: xserver-xorg-core 2:1.15.1-0ubuntu9
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.9.0-1ubuntu1
version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:7.4.0-2ubuntu1
version.xserver-xorg-video-intel: xserver-xorg-video-intel
2:2.99.914-1~exp1ubuntu1
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau
1:1.0.10-1ubuntu2
xserver.bootTime: Sun Aug 24 01:20:23 2014
xserver.configfile: default
xserver.devices:
input Power Button KEYBOARD, id 6
input Video Bus KEYBOARD, id 7
input Power Button KEYBOARD, id 8
input Logitech Unifying Device. Wireless PID:101b MOUSE, id 9
input Logitech Unifying Device. Wireless PID:2008 KEYBOARD, id 10
xserver.errors:
intel: Failed to load module "dri3" (module does not exist, 0)
intel: Failed to load module "present" (module does not exist, 0)
xserver.logfile: /var/log/Xorg.0.log
xserver.outputs:
product id 22746
vendor GSM
xserver.version: 2:1.15.1-0ubuntu9
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