Public bug reported:
After upgrading to kernel 2.6.24.17, screen never wakes after suspend.
Everything else fires up, just not the screen. I didn't check hibernate
but would venture a guess it will do the same thing. The problem was
resolved by going back to kernel 2.6.24-16.
Looking at the bugs on this problem, it seems to be a reoccurring issue
going back to about a year ago. Somehow this bug keeps getting
reintroduced in the kernel. Given the fact this issue keeps coming back,
this smells like a source code versioning issue. The symptoms are always
identical. My computer is not a laptop but has the G31 Express chipset
typical of generic laptops.
Someone really needs to root out the core of this issue and make sure
everyone working on the Ubuntu kernel refreshes there source code after
it's done. I will almost guarantee this is the same issue over and over
and being re-injected during code merges. There other possibility is it
gets masked and unmasked by something in the source code.
The other issue is the prior bugs keep getting marked as "invalid" or
attempts are made to separate the issue. This might be another reason
this is not getting resolved. This is a legitimate issue and these
should be lumped into a single, open issue. I don't think this is
specifically related to hardware but the Intel G31 Express Chipset Base
does appear to be a common theme. (As a heads up, I'm not using the on
board display but have a nvidia card (see dmesg output).)
For what it's worth, here is the uname -a output
Linux tony-workstation 2.6.24-16-generic #1 SMP Thu Apr 10 12:47:45 UTC
2008 x86_64 GNU/Linux
I'm also attaching the output from dmesg and lspci -vvnn in a single
file. There is a comment separating the two.
** Affects: ubuntu
Importance: Undecided
Status: New
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screen never wakes after suspend
https://bugs.launchpad.net/bugs/236220
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