| 2020-04-04 13:41:17 |
Michael |
bug |
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added bug |
| 2020-04-04 13:41:17 |
Michael |
attachment added |
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dmesg https://bugs.launchpad.net/bugs/1870786/+attachment/5346319/+files/dmesg |
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| 2020-04-04 13:41:34 |
Michael |
attachment added |
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lspci-vnvn.log https://bugs.launchpad.net/ubuntu/+source/linux-meta/+bug/1870786/+attachment/5346320/+files/lspci-vnvn.log |
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| 2020-04-04 13:41:46 |
Michael |
attachment added |
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uname-a.log https://bugs.launchpad.net/ubuntu/+source/linux-meta/+bug/1870786/+attachment/5346321/+files/uname-a.log |
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| 2020-04-04 13:41:57 |
Michael |
attachment added |
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version.log https://bugs.launchpad.net/ubuntu/+source/linux-meta/+bug/1870786/+attachment/5346322/+files/version.log |
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| 2020-04-04 17:19:06 |
Michael |
tags |
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apport-collected focal |
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| 2020-04-04 17:19:08 |
Michael |
description |
Sometimes, during plugging in a DP -> 2x HDMI splitter, I get a kernel BUG with a NULL pointer dereference. Most times it works, through.
I'm using Ubuntu 20.04
I've a 1920x1200 (eDP) display in my laptop, and a 2560x1440 and a 1920x1080 display on the splitter.
Its a Intel(R) Core(TM) i5-8250U CPU platform. |
Sometimes, during plugging in a DP -> 2x HDMI splitter, I get a kernel BUG with a NULL pointer dereference. Most times it works, through.
I'm using Ubuntu 20.04
I've a 1920x1200 (eDP) display in my laptop, and a 2560x1440 and a 1920x1080 display on the splitter.
Its a Intel(R) Core(TM) i5-8250U CPU platform.
---
ProblemType: Bug
ApportVersion: 2.20.11-0ubuntu22
Architecture: amd64
DistroRelease: Ubuntu 20.04
HibernationDevice: RESUME=/dev/mapper/sda5_crypt
MachineType: Default string Default string
Package: linux-meta (not installed)
ProcFB: 0 i915drmfb
ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-5.4.0-21-generic root=UUID=df422beb-6d13-4575-9b30-ad00e25a7d35 ro noquiet nosplash
ProcVersionSignature: Ubuntu 5.4.0-21.25-generic 5.4.27
PulseList: Error: command ['pacmd', 'list'] failed with exit code 1: No PulseAudio daemon running, or not running as session daemon.
RelatedPackageVersions:
linux-restricted-modules-5.4.0-21-generic N/A
linux-backports-modules-5.4.0-21-generic N/A
linux-firmware 1.187
Tags: focal
Uname: Linux 5.4.0-21-generic x86_64
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: audio mythtv
WpaSupplicantLog:
_MarkForUpload: True
dmi.bios.date: 01/11/2019
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: 5.12
dmi.board.asset.tag: Default string
dmi.board.name: Default string
dmi.board.vendor: Default string
dmi.board.version: Default string
dmi.chassis.asset.tag: Default string
dmi.chassis.type: 3
dmi.chassis.vendor: Default string
dmi.chassis.version: Default string
dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvr5.12:bd01/11/2019:svnDefaultstring:pnDefaultstring:pvrDefaultstring:rvnDefaultstring:rnDefaultstring:rvrDefaultstring:cvnDefaultstring:ct3:cvrDefaultstring:
dmi.product.family: Default string
dmi.product.name: Default string
dmi.product.sku: Default string
dmi.product.version: Default string
dmi.sys.vendor: Default string |
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| 2020-04-04 17:19:09 |
Michael |
attachment added |
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AlsaInfo.txt https://bugs.launchpad.net/bugs/1870786/+attachment/5346485/+files/AlsaInfo.txt |
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| 2020-04-04 17:19:11 |
Michael |
attachment added |
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AudioDevicesInUse.txt https://bugs.launchpad.net/bugs/1870786/+attachment/5346486/+files/AudioDevicesInUse.txt |
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| 2020-04-04 17:19:13 |
Michael |
attachment added |
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CRDA.txt https://bugs.launchpad.net/bugs/1870786/+attachment/5346487/+files/CRDA.txt |
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| 2020-04-04 17:19:15 |
Michael |
attachment added |
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CurrentDmesg.txt https://bugs.launchpad.net/bugs/1870786/+attachment/5346488/+files/CurrentDmesg.txt |
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| 2020-04-04 17:19:16 |
Michael |
attachment added |
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IwConfig.txt https://bugs.launchpad.net/bugs/1870786/+attachment/5346489/+files/IwConfig.txt |
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| 2020-04-04 17:19:18 |
Michael |
attachment added |
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Lspci.txt https://bugs.launchpad.net/bugs/1870786/+attachment/5346490/+files/Lspci.txt |
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| 2020-04-04 17:19:19 |
Michael |
attachment added |
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Lsusb.txt https://bugs.launchpad.net/bugs/1870786/+attachment/5346491/+files/Lsusb.txt |
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| 2020-04-04 17:19:21 |
Michael |
attachment added |
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Lsusb-t.txt https://bugs.launchpad.net/bugs/1870786/+attachment/5346492/+files/Lsusb-t.txt |
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| 2020-04-04 17:19:22 |
Michael |
attachment added |
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Lsusb-v.txt https://bugs.launchpad.net/bugs/1870786/+attachment/5346493/+files/Lsusb-v.txt |
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| 2020-04-04 17:19:24 |
Michael |
attachment added |
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ProcCpuinfo.txt https://bugs.launchpad.net/bugs/1870786/+attachment/5346494/+files/ProcCpuinfo.txt |
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| 2020-04-04 17:19:25 |
Michael |
attachment added |
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ProcCpuinfoMinimal.txt https://bugs.launchpad.net/bugs/1870786/+attachment/5346495/+files/ProcCpuinfoMinimal.txt |
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| 2020-04-04 17:19:27 |
Michael |
attachment added |
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ProcEnviron.txt https://bugs.launchpad.net/bugs/1870786/+attachment/5346496/+files/ProcEnviron.txt |
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| 2020-04-04 17:19:28 |
Michael |
attachment added |
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ProcInterrupts.txt https://bugs.launchpad.net/bugs/1870786/+attachment/5346497/+files/ProcInterrupts.txt |
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| 2020-04-04 17:19:30 |
Michael |
attachment added |
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ProcModules.txt https://bugs.launchpad.net/bugs/1870786/+attachment/5346498/+files/ProcModules.txt |
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| 2020-04-04 17:19:31 |
Michael |
attachment added |
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RfKill.txt https://bugs.launchpad.net/bugs/1870786/+attachment/5346499/+files/RfKill.txt |
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| 2020-04-04 17:19:33 |
Michael |
attachment added |
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UdevDb.txt https://bugs.launchpad.net/bugs/1870786/+attachment/5346500/+files/UdevDb.txt |
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| 2020-04-04 17:19:34 |
Michael |
attachment added |
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WifiSyslog.txt https://bugs.launchpad.net/bugs/1870786/+attachment/5346501/+files/WifiSyslog.txt |
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| 2020-04-04 17:19:36 |
Michael |
affects |
linux-meta (Ubuntu) |
linux (Ubuntu) |
|
| 2020-04-04 17:30:10 |
Ubuntu Kernel Bot |
linux (Ubuntu): status |
New |
Confirmed |
|
| 2021-03-30 11:25:45 |
Po-Hsu Lin |
linux (Ubuntu): status |
Confirmed |
Incomplete |
|
| 2021-03-30 11:25:48 |
Po-Hsu Lin |
bug |
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added subscriber Po-Hsu Lin |
| 2021-05-30 04:17:34 |
Launchpad Janitor |
linux (Ubuntu): status |
Incomplete |
Expired |
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| 2022-04-29 20:20:02 |
Christopher Smith |
bug |
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added subscriber Christopher Smith |
