Alexander Bubnov, this bug report is being closed due to your last
comment
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1421366/comments/10
regarding this being fixed with an update. For future reference you can
manage the status of your own bugs by clicking on the current status in
the yel
I mean thank you for your work
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https://bugs.launchpad.net/bugs/1421366
Title:
wifi works unstable 'kernel-fixed-upstream'
Status in linux package in Ubuntu:
Confirmed
While I am collecting requested information I noticed that the problem
disappeared with the latest kernel update, 3.13.0-46-generic.
But anyway I updated BIOS and checked if it helps on kernel 3.13.0-41. But
problem still exists i.e. BIOS update does not help considering kernel
3.13.0-41.
But no
Alexander Bubnov, as per http://support.lenovo.com/us/en/products
/laptops-and-netbooks/thinkpad-sl-series-laptops/thinkpad-sl410 an
update to your computer's buggy and outdated BIOS is available (1.52).
If you update to this following
https://help.ubuntu.com/community/BIOSUpdate does it change any
How to set tag 'kernel-fixed-upstream'? I just have added it at the
title. Right?
** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
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Summury.
1. Kernels beginning at 3.13.0-41 are buggy kernels
2. 3.13.0-40 works fine.
3. with upstream kernel 3.19 the bug is not reproducible.
wifi works fine with 3.13.0-40-generic kernel after this kernel beginnig at
3.13.0-41-generic wifi works unstable, time to time internet connection is l
I just installed Ubuntu on Lenovo laptop a week ago so I do not know if this
problem existed before.
But I have another laptop, Toshiba. And I have never faced that problem on it.
So it seems the problem is related to specific hardware. Let me know if you
need to check the problem under prior Ub
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
v3.19 kernel[
see some restarting something in dmesg:
$ dmesg | grep iwlwifi | grep Restarting
[ 48.073232] iwlwifi :05:00.0: Microcode SW error detected. Restarting
0x200.
[ 91.410595] iwlwifi :05:00.0: Microcode SW error detected. Restarting
0x200.
[ 154.214881] iwlwifi :05:00.0:
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