My xhci_hcd bluetooth dies on Ubuntu 19.10 after about 2 days. I can't figure
out at all why, so here's a workaround for novices like me to google.
The specific commands I use are
sudo su
echo -n ":00:14.0" | tee /sys/bus/pci/drivers/xhci_hcd/unbind
echo -n ":00:14.0" | tee
Maybe related:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1413440.
When I use the workaround described in comment 29 in bug 1413440
(booting with GRUB options 'pci=nomsi iommu=soft') then XHCI doesn't
hang, and when I run the reset script described in this bug report, it
doesn't cause a
The workaround in comment #26 works for me on a Lenovo Yoga 720-15
running kernel 4.17.0-041700rc3-generic.
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https://bugs.launchpad.net/bugs/1413440
Title:
USB stops working after a
Also maybe related as I am running TLP: https://www.spinics.net/lists
/linux-usb/msg167941.html
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https://bugs.launchpad.net/bugs/1763594
Title:
xhci hangs; reset results in NULL
So I installed the latest upstream kernel (4.17-rc1) and the bug
described above still occurs. It's frustrating because it means my
bluetooth mouse stops working after about 5 minutes, and I can't get it
to work again without rebooting. Code copied and pasted below
[ 721.603218] xhci_hcd
This is above my competence level in Linux, but I can confirm this
problem in:
[code]
$ uname -a
Linux 4.15.0-15-generic #16-Ubuntu SMP Wed Apr 4 13:58:14 UTC 2018 x86_64
x86_64 x86_64 GNU/Linux
[/code]
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Just to add: I upgraded to 16.04 and I can no longer resume from suspend
- everything is frozen. I tried removing the acpi_osi=\"!Windows 2013\"
boot parameter and this causes ubuntu suspend, immediately resume, then
freeze.
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Not sure if I understand how to test the results - don't I need the
custom kernel that Maxim Kizub compiled? I can confirm that his
workaround is effective in v4.2.0-040200-generic #201508301530.
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The temp fix by Maxim is also working for me - hooray! Thanks so much
Maxim!
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https://bugs.launchpad.net/bugs/1416557
Title:
[Acer Aspire V5-573G] suspend/resume failure
To manage
It appears that a very nice person did a kernel bisect and found the bug
I have: https://bugs.launchpad.net/ubuntu/+source/linux-lts-
utopic/+bug/1483467
His workaround also works for me.
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Public bug reported:
I have an Acer V5-573G which fails to resume from suspend for all
kernels past 3.14.51 (I've tested 4.2.0-040200 and it still doesn't
resume). When attempting to resume, the hard drive spins up, the
keyboard backlight turns on, the suspend light goes from orange to blue,
but
So I've comprehensively failed to git bisect what is apparently neither
a mainline kernel version (mainline only has 3.14, not 3.14.51, and I
can't figure out how to get around the lack of a debian.master/changelog
file) nor available in the utopic repository (which has 3.13 and 3.16
kernels, but
I've done a bit more narrowing down on this and found that the problem
occurs between kernel 3.14.51 and kernel 3.15.0-RC1. I know this isn't
kernel bisecting (haven't done this before so will give it a go but not
sure whether I'll be successful).
Oddly, in Ubuntu 14.10, I can suspend/resume fine
I think this bugtracker at RedHat is the same problem:
https://bugzilla.redhat.com/show_bug.cgi?id=1054212. They appear to have
found a fix, but I can't access the network-manager-applet download to
verify.
** Bug watch added: Red Hat Bugzilla #1054212
Tried this kernel: http://kernel.ubuntu.com/~kernel-
ppa/mainline/v3.14-trusty/ and suspend works fine. However, in case it's
relevant, I use bbswitch and installing the 3.14 kernel threw an error
relating to this - possibly because I don't have the source package
installed?
** Tags added:
Public bug reported:
I'm running packages from ubuntu and xubuntu. When I resume from
suspend, I have to type my login password twice (in two separate lock
screens) to get back to my previous session. This time I accidentally
alt-tabbed while on the second (new ubuntu) lock screen, and couldn't
For me, 11.10 doesn't boot to x, but to a terminal. Using the 'startx'
command brings up a normal ubuntu session. The backlight works in this
version, but the brightness buttons don't and I couldn't immediately see
where to change brightness so couldn't test if the screen just had one
brightness
The backlight works under Lucid!
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https://bugs.launchpad.net/bugs/1239183
Title:
8086:0a16 [Acer Aspire V5-573G] Black screen on boot due to low
brightness setting
To manage
My computer is new and I had some difficulty installing 13.04 so went
straight to 13.10 alpha - afraid I don't know if the bug occurred
beforehand.
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Thank you for the advice, Daniel. I've installed nvidia-331 which works
fine.
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https://bugs.launchpad.net/bugs/1245007
Title:
nvidia-319 319.32-0ubuntu7: nvidia-319 kernel module fails
Same problem under 12.04.3, run under LiveUSB
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https://bugs.launchpad.net/bugs/1239183
Title:
8086:0a16 [Acer Aspire V5-573G] Black screen on boot due to low
brightness setting
To
Same problem with rc6-saucy kernel downloaded from the link in post #7
above.
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Title:
8086:0a16 [Acer Aspire V5-573G] Black screen on boot due
Public bug reported:
I'm testing the 3.12 kernel in saucy and have an Acer Aspire v5-573g
with a Nvidia Geforce GT 750m and bumblebee installed. Under 3.11
bumblebee fails to load (due to a known kernel bug/Acer bug). This
appears to be fixed in 3.12 (see
I've now tested the rc5-saucy kernel, and the problem is still there.
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Title:
8086:0a16 [Acer Aspire V5-573G] Black screen on boot due to low
** Tags added: kernel-bug-exists-upstream
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Title:
[Acer Aspire V5-573G] Black screen on boot due to low brightness
setting
To manage
I've tested 3.12.0-999-generic using the instructions at the link and
the bug is still there, so added the exists-upstream tag.
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Title:
[Acer
Public bug reported:
On boot, following the bios screen and grub screen to choose ubuntu, the
screen goes completely black, but the fn-arrow keys can be used to turn
the backlight up. This is on Asus Aspire V5 573G. I believe this is a
duplicate of bug #1224415 but I was told explicitly to file a
I have the same machine and the same bug, and just updated my bios to
2.20. The black screen problem still occurs. Here is my output from sudo
dmidecode -s bios-version sudo dmidecode -s bios-release-date:
V2.20
08/29/2013
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This bug appeared for me when I upgraded to 13.04 (raring). The
procedure in comment #13 works, but it would be nice to have a proper
fix.
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https://bugs.launchpad.net/bugs/467825
Title:
An update on this - #8 worked initially, until a software update a few
days ago, when this fix stopped working. #13 now fixes this for me in a
way that is persistent across reboots.
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I get a very similar problem with the scale plugin. It appears that CCSM
does not put the correct string in
/apps/compiz-1/plugins/scale/screen0/options, initiate_edge: instead
of BottomRight it only puts BottomRight, missing out the
characters.
Using Stefan's workaround appears to fix this.
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Title:
qgis.bin crashed with SIGSEGV in QVariantAnimation::keyValueAt()
To manage notifications about this bug
Just to confirm that this bug should be closed, I've re-tested with a
daily build (20110312) on my laptop (i386) and the issue appears to have
been resolved.
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I also have this issue, with a HP dv6700 series laptop. A workaround
which successfully gets me to the desktop is to hit shift as soon as the
live-usb starts to load, select my language, hit F6 to get to advanced
configuration, and manually edit the boot parameters to remove the word
'quiet'. I
apport information
** Tags added: apport-collected
** Description changed:
I have a HP dv6835nr with a Microdia Sonix built-in webcam (ident code:
0c45:62c0) which doesn't work under Lucid 10.4.
uname-a gives:
Linux laptop 2.6.32-23-generic #37-Ubuntu SMP Fri Jun 11 07:54:58 UTC 2010
apport information
** Attachment added: AplayDevices.txt
http://launchpadlibrarian.net/52402604/AplayDevices.txt
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** Attachment added: BootDmesg.txt
http://launchpadlibrarian.net/52402609/BootDmesg.txt
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apport information
** Attachment added: ArecordDevices.txt
http://launchpadlibrarian.net/52402607/ArecordDevices.txt
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apport information
** Attachment added: Card0.Codecs.codec.0.txt
http://launchpadlibrarian.net/52402611/Card0.Codecs.codec.0.txt
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apport information
** Attachment added: Card0.Amixer.values.txt
http://launchpadlibrarian.net/52402610/Card0.Amixer.values.txt
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** Attachment added: Card0.Codecs.codec.1.txt
http://launchpadlibrarian.net/52402612/Card0.Codecs.codec.1.txt
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apport information
** Attachment added: CurrentDmesg.txt
http://launchpadlibrarian.net/52402614/CurrentDmesg.txt
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** Attachment added: Lsusb.txt
http://launchpadlibrarian.net/52402619/Lsusb.txt
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apport information
** Attachment added: IwConfig.txt
http://launchpadlibrarian.net/52402615/IwConfig.txt
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apport information
** Attachment added: Lspci.txt
http://launchpadlibrarian.net/52402617/Lspci.txt
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apport information
** Attachment added: PciMultimedia.txt
http://launchpadlibrarian.net/52402621/PciMultimedia.txt
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** Attachment added: ProcCpuinfo.txt
http://launchpadlibrarian.net/52402631/ProcCpuinfo.txt
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** Attachment added: ProcInterrupts.txt
http://launchpadlibrarian.net/52402637/ProcInterrupts.txt
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apport information
** Attachment added: UdevDb.txt
http://launchpadlibrarian.net/52402642/UdevDb.txt
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apport information
** Attachment added: RfKill.txt
http://launchpadlibrarian.net/52402640/RfKill.txt
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** Attachment added: WifiSyslog.txt
http://launchpadlibrarian.net/52402679/WifiSyslog.txt
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** Attachment added: ProcModules.txt
http://launchpadlibrarian.net/52402639/ProcModules.txt
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** Attachment added: UdevLog.txt
http://launchpadlibrarian.net/52402652/UdevLog.txt
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I also tried using with the daily live CD build of Maverick Meercat (23
July 2010) as suggested above and it didn't work either.
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Public bug reported:
I have a HP dv6835nr with a Microdia Sonix built-in webcam (ident code:
0c45:62c0) which doesn't work under Lucid 10.4.
uname-a gives:
Linux laptop 2.6.32-23-generic #37-Ubuntu SMP Fri Jun 11 07:54:58 UTC 2010 i686
GNU/Linux
cat /proc/version_signature gives:
Ubuntu
I can confirm that disabling compiz (via compiz switch) makes a huge
difference, at least for BBC iplayer. Subjectively, flash performance in
Karmic RC with compiz enabled is significantly worse than Jaunty.
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https://bugs.launchpad.net/bugs/442216
Unlike Dinofly above, I use an open access point and have this problem
with 9.04 and a 2200BG - it doesn't happen all the time and seems to
occur completely at random. dmesg output is:
[ 6934.655680] ipw2200: Firmware error detected. Restarting.
If I disable my wireless (I have a hardware
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