Public bug reported:
I'm using gutsy with an up-to-date install of kubuntu-desktop on an HP
compaq nc6400 with ATI X1300 graphics. I'm using fglrx as the xorg
driver.
01:00.0 VGA compatible controller: ATI Technologies Inc M52 [ATI
Mobility Radeon X1300]
linux-image-2.6.22-9-generic/gutsy uptodate 2.6.22-9.25
linux-ubuntu-modules-2.6.22-9-generic/gutsy uptodate 2.6.22-9.22
linux-restricted-modules-2.6.22-9-generic/gutsy uptodate 2.6.22.2-9.8
linux-image-2.6.22-8-generic 2.6.22-8.18 installed: No available version in
archive
linux-ubuntu-modules-2.6.22-8-generic 2.6.22-8.20 installed: No available
version in archive
linux-restricted-modules-2.6.22-8-generic 2.6.22.2-8.4 installed: No available
version in archive
With either kernel rev, attempting to suspend-to-RAM locks up the system
if I have the fglrx module loaded. No keyboard input is recognized, and
I must force-restart the system by holding down the power key for
several seconds. If I blacklist fglrx (/etc/modprobe.d/blacklist), then
I can suspend with either 2.6.22-8 or 2.6.22-9 - but resume only works
with 2.6.22-8.
With 2.6.22-9, resuming stops at a blank screen with no response to any
keyboard input, including ctrl-alt-delete and the power button. The
keyboard lights may be helpful in debugging resume: the wireless light
never comes on, and the caps-lock light is on.
So, for the moment, I'm sticking with 2.6.22-8 and blacklisting fglrx.
That seems to be a reasonably stable combination: I've suspended and
resumed several times a day for a full week, with no lockups.
Please let me know if I can provide any additional information.
** Affects: linux-restricted-modules-2.6.22 (Ubuntu)
Importance: Undecided
Status: New
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suspend-to-ram problems with fglrx module loaded
https://bugs.launchpad.net/bugs/133363
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