Bug #1655260 “Kernel freezes” : Xenial (16.04) : Bugs : linux package : Ubuntu

Revision history for this message

Viktor Penkov (vpenkoff) wrote on 2017-01-10:

#1

crash_cut_syslog Edit (3.4 KiB, text/plain)
AlsaInfo.txt Edit (42.5 KiB, text/plain; charset="utf-8")
CRDA.txt Edit (422 bytes, text/plain; charset="utf-8")
CurrentDmesg.txt Edit (71.3 KiB, text/plain; charset="utf-8")
Dependencies.txt Edit (2.7 KiB, text/plain; charset="utf-8")
IwConfig.txt Edit (544 bytes, text/plain; charset="utf-8")
JournalErrors.txt Edit (33.3 KiB, text/plain; charset="utf-8")
Lspci.txt Edit (9.9 KiB, text/plain; charset="utf-8")
Lsusb.txt Edit (513 bytes, text/plain; charset="utf-8")
ProcCpuinfo.txt Edit (4.1 KiB, text/plain; charset="utf-8")
ProcEnviron.txt Edit (325 bytes, text/plain; charset="utf-8")
ProcInterrupts.txt Edit (2.5 KiB, text/plain; charset="utf-8")
ProcModules.txt Edit (5.3 KiB, text/plain; charset="utf-8")
PulseList.txt Edit (24.4 KiB, text/plain; charset="utf-8")
RfKill.txt Edit (128 bytes, text/plain; charset="utf-8")
UdevDb.txt Edit (160.6 KiB, text/plain; charset="utf-8")
WifiSyslog.txt Edit (150.0 KiB, text/plain; charset="utf-8")

Revision history for this message

Brad Figg (brad-figg) wrote on 2017-01-10: Status changed to Confirmed

#2

This change was made by a bot.

Changed in linux (Ubuntu):
status:	New → Confirmed

Revision history for this message

Joseph Salisbury (jsalisbury) wrote on 2017-01-10:

#3

Did this issue start happening after an update/upgrade? Was there a prior kernel version where you were not having this particular problem?

Would it be possible for you to test the latest upstream kernel? Refer to https://wiki.ubuntu.com/KernelMainlineBuilds . Please test the latest v4.10 kernel[0].

If this bug is fixed in the mainline kernel, please add the following tag 'kernel-fixed-upstream'.

If the mainline kernel does not fix this bug, please add the tag: 'kernel-bug-exists-upstream'.

Once testing of the upstream kernel is complete, please mark this bug as "Confirmed".

Thanks in advance.

[0] http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.10-rc3

Changed in linux (Ubuntu):
importance:	Undecided → High
status:	Confirmed → Incomplete
tags:	added: kernel-da-key

Revision history for this message

Viktor Penkov (vpenkoff) wrote on 2017-01-11: Re: [Bug 1655260] Re: Kernel freezes

#4

Download full text (5.5 KiB)

1. "Did this issue start happening after an update/upgrade?"
- Yes, the issue start happening when I've updated to this kernel.

2. "Was there a
prior kernel version where you were not having this particular problem?"
- I think version 4.3.* was OK.

3. "Would it be possible for you to test the latest upstream kernel? Refer
to https://wiki.ubuntu.com/KernelMainlineBuilds4.10.0-041000rc3-generic
<https://wiki.ubuntu.com/KernelMainlineBuilds> . Please test the latest
v4.10 kernel[0]."

- Now, I'm running kernel version 4.10.0-041000rc3-generic.
Unfortunately, there's some issue and I'm not able to install the headers
package. I've got this:

sudo dpkg --configure -a
dpkg: dependency problems prevent configuration of
linux-headers-4.10.0-041000rc3-generic:
linux-headers-4.10.0-041000rc3-generic depends on
linux-headers-4.10.0-041000rc3; however:
Package linux-headers-4.10.0-041000rc3 is not installed.

dpkg: error processing package linux-headers-4.10.0-041000rc3-generic
(--configure):
dependency problems - leaving unconfigured
Errors were encountered while processing:
linux-headers-4.10.0-041000rc3-generic

Output of running `df -h`:

Filesystem Size Used Avail Use% Mounted on
udev 3,8G 0 3,8G 0% /dev
tmpfs 769M 9,4M 759M 2% /run
/dev/mapper/ubuntu--vg-root 227G 38G 178G 18% /
tmpfs 3,8G 51M 3,8G 2% /dev/shm
tmpfs 5,0M 4,0K 5,0M 1% /run/lock
tmpfs 3,8G 0 3,8G 0% /sys/fs/cgroup
/dev/sda1 236M 164M 60M 74% /boot
cgmfs 100K 0 100K 0% /run/cgmanager/fs
tmpfs 769M 12K 769M 1% /run/user/1000
/home/viktor/.Private 227G 38G 178G 18% /home/viktor

Anyway, I've succeed to boot the kernel and we'll see if it's OK.

BR,
Viktor

2017-01-10 17:25 GMT+02:00 Joseph Salisbury <email address hidden>
:

> Did this issue start happening after an update/upgrade? Was there a
> prior kernel version where you were not having this particular problem?
>
> Would it be possible for you to test the latest upstream kernel? Refer
> to https://wiki.ubuntu.com/KernelMainlineBuilds . Please test the latest
> v4.10 kernel[0].
>
> If this bug is fixed in the mainline kernel, please add the following
> tag 'kernel-fixed-upstream'.
>
> If the mainline kernel does not fix this bug, please add the tag:
> 'kernel-bug-exists-upstream'.
>
> Once testing of the upstream kernel is complete, please mark this bug as
> "Confirmed".
>
>
> Thanks in advance.
>
> [0] http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.10-rc3
>
> ** Changed in: linux (Ubuntu)
> Importance: Undecided => High
>
> ** Changed in: linux (Ubuntu)
> Status: Confirmed => Incomplete
>
> ** Tags added: kernel-da-key
>
> --
> You received this bug notification because you are subscribed to the bug
> report.
> https://bugs.launchpad.net/bugs/1655260
>
> Title:
> Kernel freezes
>
> Status in linux package in Ubuntu:
> Incomplete
>
> Bug description:
> Background info:
> - I'm using Ubuntu 16.04.1 LTS with kernel 4.4.0-57-generic, with i3...

1. "Did this issue start happening after an update/upgrade?"
- Yes, the issue start happening when I've updated to this kernel.

2. "Was there a
prior kernel version where you were not having this particular problem?"
- I think version 4.3.* was OK.

3. "Would it be possible for you to test the latest upstream kernel? Refer
to https://wiki.ubuntu.com/KernelMainlineBuilds4.10.0-041000rc3-generic
<https://wiki.ubuntu.com/KernelMainlineBuilds> . Please test the latest
v4.10 kernel[0]."

-  Now, I'm running kernel version 4.10.0-041000rc3-generic.
Unfortunately, there's some issue and I'm not able to install the headers
package. I've got this:

sudo dpkg --configure -a
dpkg: dependency problems prevent configuration of
linux-headers-4.10.0-041000rc3-generic:
 linux-headers-4.10.0-041000rc3-generic depends on
linux-headers-4.10.0-041000rc3; however:
  Package linux-headers-4.10.0-041000rc3 is not installed.

dpkg: error processing package linux-headers-4.10.0-041000rc3-generic
(--configure):
 dependency problems - leaving unconfigured
Errors were encountered while processing:
 linux-headers-4.10.0-041000rc3-generic

Output of  running `df -h`:

Filesystem                   Size  Used Avail Use% Mounted on
udev                         3,8G     0  3,8G   0% /dev
tmpfs                        769M  9,4M  759M   2% /run
/dev/mapper/ubuntu--vg-root  227G   38G  178G  18% /
tmpfs                        3,8G   51M  3,8G   2% /dev/shm
tmpfs                        5,0M  4,0K  5,0M   1% /run/lock
tmpfs                        3,8G     0  3,8G   0% /sys/fs/cgroup
/dev/sda1                    236M  164M   60M  74% /boot
cgmfs                        100K     0  100K   0% /run/cgmanager/fs
tmpfs                        769M   12K  769M   1% /run/user/1000
/home/viktor/.Private        227G   38G  178G  18% /home/viktor

Anyway, I've succeed to boot the kernel and we'll see if it's OK.

BR,
Viktor

2017-01-10 17:25 GMT+02:00 Joseph Salisbury <joseph.salisbury@canonical.com>
:

> Did this issue start happening after an update/upgrade?  Was there a
> prior kernel version where you were not having this particular problem?
>
> Would it be possible for you to test the latest upstream kernel? Refer
> to https://wiki.ubuntu.com/KernelMainlineBuilds . Please test the latest
> v4.10 kernel[0].
>
> If this bug is fixed in the mainline kernel, please add the following
> tag 'kernel-fixed-upstream'.
>
> If the mainline kernel does not fix this bug, please add the tag:
> 'kernel-bug-exists-upstream'.
>
> Once testing of the upstream kernel is complete, please mark this bug as
> "Confirmed".
>
>
> Thanks in advance.
>
> [0] http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.10-rc3
>
> ** Changed in: linux (Ubuntu)
>    Importance: Undecided => High
>
> ** Changed in: linux (Ubuntu)
>        Status: Confirmed => Incomplete
>
> ** Tags added: kernel-da-key
>
> --
> You received this bug notification because you are subscribed to the bug
> report.
> https://bugs.launchpad.net/bugs/1655260
>
> Title:
>   Kernel freezes
>
> Status in linux package in Ubuntu:
>   Incomplete
>
> Bug description:
>   Background info:
>   - I'm using Ubuntu 16.04.1 LTS with kernel 4.4.0-57-generic, with i3wm
> and couple of terminals plus a web browser running on it.
>
>   What happens:
>   - On random time intervals the OS freezes and I don't have mouse, nor
> keyboard responding. The only thing I can do is cold restart. Searching
> through the syslog, I've got the following:
>
>   Please see the attached file for more information.
>
>   Best Regards,
>   Viktor Penkov
>
>   ProblemType: Bug
>   DistroRelease: Ubuntu 16.04
>   Package: linux-image-4.4.0-57-generic 4.4.0-57.78
>   ProcVersionSignature: Ubuntu 4.4.0-57.78-generic 4.4.35
>   Uname: Linux 4.4.0-57-generic x86_64
>   ApportVersion: 2.20.1-0ubuntu2.4
>   Architecture: amd64
>   AudioDevicesInUse:
>    USER        PID ACCESS COMMAND
>    /dev/snd/pcmC1D0p:   viktor     2809 F...m pulseaudio
>    /dev/snd/controlC1:  viktor     2809 F.... pulseaudio
>    /dev/snd/controlC0:  viktor     2809 F.... pulseaudio
>   Date: Tue Jan 10 09:56:27 2017
>   EcryptfsInUse: Yes
>   HibernationDevice: RESUME=UUID=d88c0a8e-3bfa-400e-a3fe-cb7d6cd262c9
>   InstallationDate: Installed on 2016-01-06 (369 days ago)
>   InstallationMedia: Ubuntu 16.04 LTS "Xenial Xerus" - Alpha amd64
> (20151209)
>   MachineType: LENOVO 20BV003SBM
>   ProcFB: 0 inteldrmfb
>   ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-4.4.0-57-generic
> root=/dev/mapper/ubuntu--vg-root ro quiet splash vt.handoff=7
>   RelatedPackageVersions:
>    linux-restricted-modules-4.4.0-57-generic N/A
>    linux-backports-modules-4.4.0-57-generic  N/A
>    linux-firmware                            1.157.6
>   SourcePackage: linux
>   UpgradeStatus: No upgrade log present (probably fresh install)
>   dmi.bios.date: 11/06/2015
>   dmi.bios.vendor: LENOVO
>   dmi.bios.version: JBET54WW (1.19 )
>   dmi.board.asset.tag: Not Available
>   dmi.board.name: 20BV003SBM
>   dmi.board.vendor: LENOVO
>   dmi.board.version: SDK0J40705 WIN
>   dmi.chassis.asset.tag: No Asset Information
>   dmi.chassis.type: 10
>   dmi.chassis.vendor: LENOVO
>   dmi.chassis.version: None
>   dmi.modalias: dmi:bvnLENOVO:bvrJBET54WW(1.19):bd11/06/2015:svnLENOVO:
> pn20BV003SBM:pvrThinkPadT450:rvnLENOVO:rn20BV003SBM:
> rvrSDK0J40705WIN:cvnLENOVO:ct10:cvrNone:
>   dmi.product.name: 20BV003SBM
>   dmi.product.version: ThinkPad T450
>   dmi.sys.vendor: LENOVO
>
> To manage notifications about this bug go to:
> https://bugs.launchpad.net/ubuntu/+source/linux/+bug/
> 1655260/+subscriptions
>

Revision history for this message

Viktor Penkov (vpenkoff) wrote on 2017-01-12:

#5

For more than 24 hours, there's no kernel freezes.

$uptime
> 14:02:50 up 1 day, 3:35, 1 user, load average: 0,45, 0,46, 0,45

No erros in syslog, too.

tags:

added: kernel-fixed-upstream

Revision history for this message

Joseph Salisbury (jsalisbury) wrote on 2017-01-13:

#6

Can you also test the latest upstream 4.4 kernel? This will tell us if the fix in 4.10-rc3 was already cc'd to stable. It can be downloaded from:

http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.4.42/

Revision history for this message

Viktor Penkov (vpenkoff) wrote on 2017-01-17:

#7

Yesterday, I've installed the kernel with version 4.4.42

$ uname -r
> 4.4.42-040442-generic

$ uptime
> 10:26:04 up 1 day, 1 user, load average: 0,63, 0,73, 0,76

There aren't any critical errors in syslog, too.

Revision history for this message

Joseph Salisbury (jsalisbury) wrote on 2017-01-18:

#8

That is good news. The Xenial kernel does not yet have the 4.4.42 updates, but it now has up to the 4.4.40 updates.

Would it be possible for you to test this latest kernel and post back if it resolves this bug?
See https://wiki.ubuntu.com/Testing/EnableProposed for documentation how to enable and use -proposed.

Thank you in advance!

Changed in linux (Ubuntu Xenial):
importance:	Undecided → High
status:	New → Triaged
Changed in linux (Ubuntu):
status:	Incomplete → Triaged

Revision history for this message

Viktor Penkov (vpenkoff) wrote on 2017-01-23:

#9

Download full text (3.6 KiB)

I'm sorry but I can't find the kernel v.4.4.40 in the '-proposed' repo.
Should I use the http://kernel.ubuntu.com/~kernel-ppa/mainline/4.4.40 and
install it?

2017-01-18 20:20 GMT+02:00 Joseph Salisbury <email address hidden>
:

> That is good news. The Xenial kernel does not yet have the 4.4.42
> updates, but it now has up to the 4.4.40 updates.
>
> Would it be possible for you to test this latest kernel and post back if
> it resolves this bug?
> See https://wiki.ubuntu.com/Testing/EnableProposed for documentation how
> to enable and use -proposed.
>
> Thank you in advance!
>
> ** Also affects: linux (Ubuntu Xenial)
> Importance: Undecided
> Status: New
>
> ** Changed in: linux (Ubuntu Xenial)
> Importance: Undecided => High
>
> ** Changed in: linux (Ubuntu Xenial)
> Status: New => Triaged
>
> ** Changed in: linux (Ubuntu)
> Status: Incomplete => Triaged
>
> --
> You received this bug notification because you are subscribed to the bug
> report.
> https://bugs.launchpad.net/bugs/1655260
>
> Title:
> Kernel freezes
>
> Status in linux package in Ubuntu:
> Triaged
> Status in linux source package in Xenial:
> Triaged
>
> Bug description:
> Background info:
> - I'm using Ubuntu 16.04.1 LTS with kernel 4.4.0-57-generic, with i3wm
> and couple of terminals plus a web browser running on it.
>
> What happens:
> - On random time intervals the OS freezes and I don't have mouse, nor
> keyboard responding. The only thing I can do is cold restart. Searching
> through the syslog, I've got the following:
>
> Please see the attached file for more information.
>
> Best Regards,
> Viktor Penkov
>
> ProblemType: Bug
> DistroRelease: Ubuntu 16.04
> Package: linux-image-4.4.0-57-generic 4.4.0-57.78
> ProcVersionSignature: Ubuntu 4.4.0-57.78-generic 4.4.35
> Uname: Linux 4.4.0-57-generic x86_64
> ApportVersion: 2.20.1-0ubuntu2.4
> Architecture: amd64
> AudioDevicesInUse:
> USER PID ACCESS COMMAND
> /dev/snd/pcmC1D0p: viktor 2809 F...m pulseaudio
> /dev/snd/controlC1: viktor 2809 F.... pulseaudio
> /dev/snd/controlC0: viktor 2809 F.... pulseaudio
> Date: Tue Jan 10 09:56:27 2017
> EcryptfsInUse: Yes
> HibernationDevice: RESUME=UUID=d88c0a8e-3bfa-400e-a3fe-cb7d6cd262c9
> InstallationDate: Installed on 2016-01-06 (369 days ago)
> InstallationMedia: Ubuntu 16.04 LTS "Xenial Xerus" - Alpha amd64
> (20151209)
> MachineType: LENOVO 20BV003SBM
> ProcFB: 0 inteldrmfb
> ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-4.4.0-57-generic
> root=/dev/mapper/ubuntu--vg-root ro quiet splash vt.handoff=7
> RelatedPackageVersions:
> linux-restricted-modules-4.4.0-57-generic N/A
> linux-backports-modules-4.4.0-57-generic N/A
> linux-firmware 1.157.6
> SourcePackage: linux
> UpgradeStatus: No upgrade log present (probably fresh install)
> dmi.bios.date: 11/06/2015
> dmi.bios.vendor: LENOVO
> dmi.bios.version: JBET54WW (1.19 )
> dmi.board.asset.tag: Not Available
> dmi.board.name: 20BV003SBM
> dmi.board.vendor: LENOVO
> dmi.board.version: SDK0J40705 WIN
> dmi.chassis.asset.tag: No Asset Information
> dmi.chassi...

I'm sorry but I can't find the kernel v.4.4.40 in the '-proposed' repo.
Should I use the http://kernel.ubuntu.com/~kernel-ppa/mainline/4.4.40 and
install it?

2017-01-18 20:20 GMT+02:00 Joseph Salisbury <joseph.salisbury@canonical.com>
:

> That is good news.  The Xenial kernel does not yet have the 4.4.42
> updates, but it now has up to the 4.4.40 updates.
>
> Would it be possible for you to test this latest kernel and post back if
> it resolves this bug?
> See https://wiki.ubuntu.com/Testing/EnableProposed for documentation how
> to enable and use -proposed.
>
> Thank you in advance!
>
> ** Also affects: linux (Ubuntu Xenial)
>    Importance: Undecided
>        Status: New
>
> ** Changed in: linux (Ubuntu Xenial)
>    Importance: Undecided => High
>
> ** Changed in: linux (Ubuntu Xenial)
>        Status: New => Triaged
>
> ** Changed in: linux (Ubuntu)
>        Status: Incomplete => Triaged
>
> --
> You received this bug notification because you are subscribed to the bug
> report.
> https://bugs.launchpad.net/bugs/1655260
>
> Title:
>   Kernel freezes
>
> Status in linux package in Ubuntu:
>   Triaged
> Status in linux source package in Xenial:
>   Triaged
>
> Bug description:
>   Background info:
>   - I'm using Ubuntu 16.04.1 LTS with kernel 4.4.0-57-generic, with i3wm
> and couple of terminals plus a web browser running on it.
>
>   What happens:
>   - On random time intervals the OS freezes and I don't have mouse, nor
> keyboard responding. The only thing I can do is cold restart. Searching
> through the syslog, I've got the following:
>
>   Please see the attached file for more information.
>
>   Best Regards,
>   Viktor Penkov
>
>   ProblemType: Bug
>   DistroRelease: Ubuntu 16.04
>   Package: linux-image-4.4.0-57-generic 4.4.0-57.78
>   ProcVersionSignature: Ubuntu 4.4.0-57.78-generic 4.4.35
>   Uname: Linux 4.4.0-57-generic x86_64
>   ApportVersion: 2.20.1-0ubuntu2.4
>   Architecture: amd64
>   AudioDevicesInUse:
>    USER        PID ACCESS COMMAND
>    /dev/snd/pcmC1D0p:   viktor     2809 F...m pulseaudio
>    /dev/snd/controlC1:  viktor     2809 F.... pulseaudio
>    /dev/snd/controlC0:  viktor     2809 F.... pulseaudio
>   Date: Tue Jan 10 09:56:27 2017
>   EcryptfsInUse: Yes
>   HibernationDevice: RESUME=UUID=d88c0a8e-3bfa-400e-a3fe-cb7d6cd262c9
>   InstallationDate: Installed on 2016-01-06 (369 days ago)
>   InstallationMedia: Ubuntu 16.04 LTS "Xenial Xerus" - Alpha amd64
> (20151209)
>   MachineType: LENOVO 20BV003SBM
>   ProcFB: 0 inteldrmfb
>   ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-4.4.0-57-generic
> root=/dev/mapper/ubuntu--vg-root ro quiet splash vt.handoff=7
>   RelatedPackageVersions:
>    linux-restricted-modules-4.4.0-57-generic N/A
>    linux-backports-modules-4.4.0-57-generic  N/A
>    linux-firmware                            1.157.6
>   SourcePackage: linux
>   UpgradeStatus: No upgrade log present (probably fresh install)
>   dmi.bios.date: 11/06/2015
>   dmi.bios.vendor: LENOVO
>   dmi.bios.version: JBET54WW (1.19 )
>   dmi.board.asset.tag: Not Available
>   dmi.board.name: 20BV003SBM
>   dmi.board.vendor: LENOVO
>   dmi.board.version: SDK0J40705 WIN
>   dmi.chassis.asset.tag: No Asset Information
>   dmi.chassis.type: 10
>   dmi.chassis.vendor: LENOVO
>   dmi.chassis.version: None
>   dmi.modalias: dmi:bvnLENOVO:bvrJBET54WW(1.19):bd11/06/2015:svnLENOVO:
> pn20BV003SBM:pvrThinkPadT450:rvnLENOVO:rn20BV003SBM:
> rvrSDK0J40705WIN:cvnLENOVO:ct10:cvrNone:
>   dmi.product.name: 20BV003SBM
>   dmi.product.version: ThinkPad T450
>   dmi.sys.vendor: LENOVO
>
> To manage notifications about this bug go to:
> https://bugs.launchpad.net/ubuntu/+source/linux/+bug/
> 1655260/+subscriptions
>

Revision history for this message

Viktor Penkov (vpenkoff) wrote on 2017-01-23:

#10

I've installed the kernel from the ~kernel-ppa repo:

$ uname -r
> 4.4.40-040440-generic

I'll keep you posted tomorrow with updates for crashes/freezes or normal behavior.

Revision history for this message

Viktor Penkov (vpenkoff) wrote on 2017-01-24:

#11

With current uptime of:
12:12:36 up 1 day, 32 min, 1 user, load average: 0,12, 0,41, 0,42
and the given kernel 4.4.40-040440-generic, there aren't any issues, freezes and crashes.

Revision history for this message

Joseph Salisbury (jsalisbury) wrote on 2017-01-24:

#12

It sounds like this bug is now fixed with the latest Xenial kernel. If the bug does happen again, change the status back to confirmed.

Changed in linux (Ubuntu):
status:	Triaged → Fix Released
Changed in linux (Ubuntu Xenial):
status:	Triaged → Fix Released

Revision history for this message

Viktor Penkov (vpenkoff) wrote on 2019-07-23: Висш Съдебен Съвет: Бойко Атанасов - граждански кандидат за главен прокурор на България

#13

Hallo,

ich habe gerade die Petition „Висш Съдебен Съвет: Бойко Атанасов -
граждански кандидат за главен прокурор на България" unterschrieben und
wollte dich fragen, ob du auch mitmachst.

Unser Ziel ist es, 2.500 Unterschriften zu sammeln und dafür brauchen wir
Unterstützung. Hier kannst du mehr über die Petition erfahren:

http://chng.it/G9RB8vcMN6

Vielen Dank!
Viktor

Brad Figg (brad-figg) on 2019-07-24

tags:

added: cscc

Ubuntu
linux package

Kernel freezes

Bug Description

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Affects		Status	Importance	Assigned to	Milestone
	linux (Ubuntu)	Fix Released	High	Unassigned
	Xenial	Fix Released	High	Unassigned

Ubuntulinux package

Kernel freezes

Bug Description

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Ubuntu
linux package