It's not a kernel bug. The nvidia driver keeps the contents of the GRUB
screen and the first two lines of kernel log visible as a frozen static
picture.
Deinstall and reinstall of nvidia drivers fixed the issue.
** Changed in: linux (Ubuntu)
Status: Confirmed => Invalid
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** Attachment added: "dmesg.log"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1820695/+attachment/5247355/+files/dmesg.log
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** Attachment added: "lspci-vvnn.log"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1820695/+attachment/5247354/+files/lspci-vvnn.log
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Public bug reported:
System runs fine with previous kernel 4.19.0-13-generic. On kernels
5.0.0-7 and 5.0.0-8, system freezes after GRUB screen on the background
picture.
Note: The attached logs are done with kernel 4.19.0-13-generic, since
the kernels in question don't even boot and give no chanc
** Attachment added: "uname-a.log"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1820695/+attachment/5247353/+files/uname-a.log
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The kernel 5.1.0-050100rc1-generic does boot for a short moment but
freezes before the login screen appears.
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Title:
5.0.0 kernels (
The kernel 5.1.0-050100rc1 boots successfully, but it's necessary for my
system to log in via ssh since the nvidia driver is missing.
Is bisection still necessary (it's a lot of work) when we know that 5.1
boots fine? I can wait until there's a 5.1 kernel and do with 4.19 until
then.
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In my setup, I have 2 partitions after the Ubuntu partition (sda5).
While update-grub runs through, the os-prober seems to abort and never
finds the following Windows 10 partition.
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A try with
GRUB_OS_PROBER_SKIP_LIST="16144709171658112187@/dev/sda5"
in /etc/default/grub fails to work around the issue. The error remains.
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Original reporter here. I am willing to assist wherever I can, but I
reported chiefly because I cannot debug or investigate of my own.
Regarding the cheese issue, the exact same issue arises when just using
uvcvideo, so it is definitely something passed on from the driver.
2018-04-12 15:52 GMT+02
Ok, I will do that.
Reinhard Tartler schrieb am Do., 12. Apr. 2018,
23:29:
> If you can, please file a separate bug for uvcvideo with a stacktrace. Then
> please link those bugs
>
> The easiest way is probably by using apport on the crash file, I guess.
>
> On Thu, Apr 12, 2
Public bug reported:
after startup
ProblemType: KernelOops
DistroRelease: Ubuntu 18.04
Package: linux-image-4.15.0-12-generic 4.15.0-12.13
ProcVersionSignature: Ubuntu 4.15.0-12.13-generic 4.15.7
Uname: Linux 4.15.0-12-generic x86_64
NonfreeKernelModules: zfs zunicode zavl icp zcommon znvpair nvi
** Tags added: kernel-fixed-upstream
** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
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Title:
watchdog: BUG: so
Issue started after one of the updates. Prior kernel version difficult
to pinpoint, since the bug seems to happen only after cold boots, not
after a warm boot.
WORKAROUND: Start computer, restart after boot process completed.
4.16rc4 didn't show the symptoms, but was unusable since zfs is missing
Public bug reported:
during startup or before cold boot. System used a lot of resources,
necessitating a reboot
ProblemType: KernelOops
DistroRelease: Ubuntu 18.04
Package: linux-image-4.15.0-11-generic 4.15.0-11.12
ProcVersionSignature: Ubuntu 4.15.0-11.12-generic 4.15.5
Uname: Linux 4.15.0-11-g
Here it is:
2017-08-11 8:19 GMT+02:00 Kai-Heng Feng :
> Can you attach dmesg?
>
> ** Information type changed from Private to Public
>
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> report.
> https://bugs.launchpad.net/bugs/1708922
>
> Title:
> uvcvideo module
I researched the issue some time ago. My webcam and several others like HP
are affected by a faulty driver for this webcam, which should be the kernel
uvcvideo module. This is the reason why it happens in several progs, like
guvcview and cheese.
vlc does it's own thing and does not rely on the ker
Here is my output from ffmpeg -f alsa -i default -f v4l2 -s 640x480 -i
/dev/video0 -acodec flac -vcodec libx264 output.mkv
ffmpeg version 3.3.3-1ubuntu1 Copyright (c) 2000-2017 the FFmpeg developers
built with gcc 6.4.0 (Ubuntu 6.4.0-2ubuntu1) 20170724
configuration: --prefix=/usr --extra-versi
Further information: ffmpeg stops after it detects broken frames, with
error messages like here:
https://superuser.com/questions/1048637/ffmpeg-video-recording-freezes-after-invalid-data-found-when-processing-input
[video4linux2,v4l2 @ 0xed0c353440] Dequeued v4l2 buffer contains 32533
bytes, but 6
Public bug reported:
Suspend seems to work, but after resume via power button, the laptop
only shows the last display before suspend and is frozen.
Only remedy is power down and restart.
The laptop is in a docking station with an external monitor attached via
DVI-D.
ProblemType: KernelOops
Dist
Public bug reported:
After resume, the usb3 boot device wasn't located by the kernel
(recurring message of directory block 0 not found).
ProblemType: KernelOops
DistroRelease: Ubuntu 14.10
Package: linux-image-3.16.0-9-generic 3.16.0-9.14
ProcVersionSignature: Ubuntu 3.16.0-9.14-generic 3.16.1
Un
*** This bug is a duplicate of bug 1358647 ***
https://bugs.launchpad.net/bugs/1358647
Public bug reported:
With latest kernel 3.16.0-11, suspend / resume failure on XPS 12 still
exists. After resume, laptop seems to wake up OK (mouse movements,
blinking cursor in terminal), but screen goes b
bug exists in kernels up to 3.16.0-11. 3.17.0rc2 fixed the issue.
** Tags added: kernel-fixed-upstream
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Title:
[Dell XPS 12-9Q33] s
My report
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1358647/comments/4
was premature. The bug is not appearing if I pm-suspend the machine, but
entering sleep mode by itself caused the crash again.
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Not sure, because the laptop never slept by itself, just monitor in
energy save. Sleep is only forced by lid down or pm-suspend.
tl;dr: unsure
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Due to a hardware failure, Ubuntu was restored on the SSD of the machine
instead of a native install on USB media. Suspend/resume now work
properly.
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Public bug reported:
after the switch to 3.18, the wifi connection drops very often (50% of
the time or more). dmesg | grep iwlwifi:
erik@XPS12-9Q33:~$ dmesg | grep iwlwifi
[7.026062] iwlwifi :06:00.0: enabling device ( -> 0002)
[7.026551] iwlwifi :06:00.0: irq 45 for MSI/MSI-
This is an UEFI boot system. I need an upstream *.efi.signed kernel to
test it out. Since I cannot sign kernels for Canonical, could you point
me to a mainline kernel which is signed?
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This BIOS update came out literally one hour after I reported the bug, I
updated on the same day with no effect on the bug.
As you see:
root@XPS12-9Q33:~# dmidecode -s bios-version && dmidecode -s bios-release-date
A07
11/17/2014
The bug stays the same - after a grace period of a few minutes up
[ 934.033045] iwlwifi :06:00.0: fail to flush all tx fifo queues Q 0
[ 934.033050] iwlwifi :06:00.0: Current SW read_ptr 74 write_ptr 77
[ 934.033213]
[ 934.033045] iwlwifi :06:00.0: fail to flush all tx fifo queues Q 0
[ 934.033050] iwlwifi :06:00.0: Current SW read_ptr 74 write_ptr 77
[ 934.033213]
Bug still present in 3.18.0-12
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Title:
Since 3.18.x, iwlwifi has severe connection problems
Status in linux package in Ubuntu:
Co
Please re-open. 4.8 is now the official Yakkety kernel, running 4.8.0-17
and encountering this bug.
i915 crashes often, significantly affecting the machine.
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Public bug reported:
Kernel stops boot with panic; message is "can't find init". A manual
addition on the kernel boot parameter line via /etc/default/grub doesn't
help. It looks like the kernel can't access the file system.
lsinitramfs /boot/initrd.img | grep btr shows btrfs module as part of
the
apport information
** Attachment added: "RfKill.txt"
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apport information
** Attachment added: "ProcModules.txt"
https://bugs.launchpad.net/bugs/1915179/+attachment/5462030/+files/ProcModules.txt
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apport information
** Attachment added: "ProcInterrupts.txt"
https://bugs.launchpad.net/bugs/1915179/+attachment/5462029/+files/ProcInterrupts.txt
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apport information
** Tags added: apport-collected hirsute
** Description changed:
Kernel stops boot with panic; message is "can't find init". A manual
addition on the kernel boot parameter line via /etc/default/grub doesn't
help. It looks like the kernel can't access the file system.
apport information
** Attachment added: "PulseList.txt"
https://bugs.launchpad.net/bugs/1915179/+attachment/5462031/+files/PulseList.txt
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apport information
** Attachment added: "CRDA.txt"
https://bugs.launchpad.net/bugs/1915179/+attachment/5462017/+files/CRDA.txt
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Ti
apport information
** Attachment added: "acpidump.txt"
https://bugs.launchpad.net/bugs/1915179/+attachment/5462035/+files/acpidump.txt
** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
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apport information
** Attachment added: "UdevDb.txt"
https://bugs.launchpad.net/bugs/1915179/+attachment/5462033/+files/UdevDb.txt
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apport information
** Attachment added: "ProcCpuinfo.txt"
https://bugs.launchpad.net/bugs/1915179/+attachment/5462026/+files/ProcCpuinfo.txt
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apport information
** Attachment added: "Lsusb.txt"
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apport information
** Attachment added: "WifiSyslog.txt"
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** Attachment added: "PaInfo.txt"
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apport information
** Attachment added: "ProcEnviron.txt"
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** Attachment added: "Lspci.txt"
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apport information
** Attachment added: "ProcCpuinfoMinimal.txt"
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** Attachment added: "CurrentDmesg.txt"
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** Attachment added: "Lspci-vt.txt"
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NVIDIA GF108GLM [NVS 5200M] on Dell Latitude 6430 was also affected.
Nouveau works.
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Title:
System cannot star
Public bug reported:
When starting the laptop with kernel 6.3.0-7 on Mantic Minotaur, the
system freezes early in the boot process even before the GRUB background
image gets replaced.
Trying to boot the rescue system and resuming hangs at a white non-
blinking underscore cursor in the upper left
This is an incompatibility with the nvidia-390 driver (Laptop has Nvidia
5200M).
When the nvidia-390 driver is installed, the system hangs as described
with 6.3.0-7.
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