21.11.2015 23:39, Andrei Borzenkov пишет:
21.11.2015 22:08, Pali Rohár пишет:
On Saturday 21 November 2015 19:57:18 Andrei Borzenkov wrote:
After installing 4.2 on Dell Latitude E5450 I found that wireless was
disabled every second resume from suspend to RAM. Blacklisting
dell-rbtn "fixed" it.
This is probably the same as discussed in this Arch forum and related
bug report: https://bbs.archlinux.org/viewtopic.php?id=203404. I
myself hit it on Ubuntu.
I am not familiar with other models, but E5450 does have DELLABCE and
so is using dell-rbtn driver.
I am happy to test patches if need. Please let me know if formal bug
report is required.
-andrei
Hi Andrei!
About five hours ago Gabriele sent patch which fixing this problem to
LKML. You can find it on: https://lkml.org/lkml/2015/11/21/57
Can you test that patch and confirm it fix also for you?
Yes, it does.
Unfortunately it was too early. Today after resume I again got disable
radio, and also several later attempts to suspend/resume. Then last time
I suddenly got radio working again after resume.
Patch looks racy; there is no guarantee we get notification before
resetting in suspend flag.
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