Public bug reported:
My Dell Latitude E5420 hangs when the power cord is in and the battery
is charging and below 90%. This bug has existed in 10.04 and every
version since. There used to be a work around:
echo N /sys/module/drm_kms_helper/parameters/poll
but this no longer works in raring
I noticed that during boot I get the message Disabling IRQ 16 so
checked out debugging IRQ porblems.
https://help.ubuntu.com/community/DebuggingIRQProblems
I tried all of the examples and none had any effect except irqpoll which
allowed the mouse to move but the rest of the system still locked
Firstly.
Oh My God! this bug has plagued me for 2 years!
But now I can confirm that it is fixed upstream.
I installed 3.11.0-031100rc7-generic and now the issue is completely
resolved!
The only issues I have now are related to kernel modules not being
compatible with this kernel for
I have now added the tag 'kernel-fixed-upstream'
** Tags added: kernel-fixed-upstream
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https://bugs.launchpad.net/bugs/1217367
Title:
E5420 Laptop freezes whilst charging
I have this laptop and this is still an issue in an up to date
ringtail installation. If anything the bug has got worse the laptop
completely freezes with power adapter in and the old dkms work around
no longer works either.
Sent from my iPad
On 25 Aug 2013, at 01:50, Christopher M. Penalver
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