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Message #157583
[Bug 1537465] Missing required logs.
This bug is missing log files that will aid in diagnosing the problem.
>From a terminal window please run:
apport-collect 1537465
and then change the status of the bug to 'Confirmed'.
If, due to the nature of the issue you have encountered, you are unable
to run this command, please add a comment stating that fact and change
the bug status to 'Confirmed'.
This change has been made by an automated script, maintained by the
Ubuntu Kernel Team.
** Changed in: linux (Ubuntu)
Status: New => Incomplete
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https://bugs.launchpad.net/bugs/1537465
Title:
Idle too much time when loading snd-usb-audio.ko
Status in linux package in Ubuntu:
Incomplete
Bug description:
I'm using Ubuntu 16.04 amd64 Desktop, with kernel 4.3. And my USB
Video Camera is from Gsou, containing both camera device and
microphone device.
When booting Ubuntu, after login ubuntu session, system freeze for
around 40 seconds !!
Finnally I found out that its "snd-usb-audio.ko" that makes it too
slow when login. So I added "blacklist snd-usb-audio" into
/etc/modprobe.d/blacklist.list, then everything is okay, login step
works normally.
After login desktop, I opened a terminal and execute "sudo modprobe
snd-usb-audio" to load microphone device manually, then it's still
very slow to load --
===============
ghostplant@ghostplant:~$ sudo modprobe snd-usb-audio
real 0m41.301s
user 0m0.540s
sys 0m2.912s
===========
After waiting 40s to load snd-usb-audio, "dmesg | mesg" displays a new
message:
[ 806.057680] usbcore: registered new interface driver snd-usb-audio
So, I think there is a bug containning inside snd-usb-audio.ko,
because it's not supposed to cost so much time.
Note:
In gnome-session, snd-usb-audio makes login step very slow like to be
freeze:
Click Login (<1s) =>
gnome-session loading components (compiz, unity-settings-daemon, .. # some required reading data from snd-hda-audio, >40s)
Show Desktop (<1s)
ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: linux-image-extra-4.3.0-7-generic 4.3.0-7.18
ProcVersionSignature: Ubuntu 4.3.0-7.18-generic 4.3.3
Uname: Linux 4.3.0-7-generic x86_64
AlsaVersion: Advanced Linux Sound Architecture Driver Version k4.3.0-7-generic.
ApportVersion: 2.19.3-0ubuntu3
Architecture: amd64
CurrentDesktop: GNOME-Flashback
Date: Sun Jan 24 17:03:43 2016
MachineType: Gigabyte Technology Co., Ltd. To be filled by O.E.M.
PciMultimedia:
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.3.0-7-generic root=UUID=5cc5f01f-1440-4404-a8a1-db62012f312e ro quiet cgroup_enable=memory swapaccount=1
RelatedPackageVersions:
linux-restricted-modules-4.3.0-7-generic N/A
linux-backports-modules-4.3.0-7-generic N/A
linux-firmware 1.155
RfKill:
SourcePackage: linux
StagingDrivers: r8188eu
UpgradeStatus: No upgrade log present (probably fresh install)
WifiSyslog:
dmi.bios.date: 03/23/2012
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: F5
dmi.board.asset.tag: To be filled by O.E.M.
dmi.board.name: H61M-S1
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.:bvrF5:bd03/23/2012:svnGigabyteTechnologyCo.,Ltd.:pnTobefilledbyO.E.M.:pvrTobefilledbyO.E.M.:rvnGigabyteTechnologyCo.,Ltd.:rnH61M-S1:rvrx.x:cvnGigabyteTechnologyCo.,Ltd.:ct3:cvrToBeFilledByO.E.M.:
dmi.product.name: To be filled by O.E.M.
dmi.product.version: To be filled by O.E.M.
dmi.sys.vendor: Gigabyte Technology Co., Ltd.
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References