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This change has been made by an automated script, maintained by the
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** Changed in: linux (Ubuntu)
Status: New => Incomplete
** Tags added: trusty
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https://bugs.launchpad.net/bugs/1338275
Title:
[radeon] suspend fails in 14.04 with Juniper and Caicos on an Asus P6T
SE
Status in “linux” package in Ubuntu:
Incomplete
Bug description:
Suspend to RAM fails for me with the radeon driver and two cards on an
Asus P6T SE motherboard: Juniper and Caicos. Even at console in single
user mode (to eliminate Xorg) and with "echo devices >
/sys/power/pm_test" and "echo freeze > /sys/power/state" to narrow it
down to unloading modules (it works with "freezer" sent to pm_test).
Unloading the radeon module (needed to blacklist with a kernel
parameter first) lets everything work.
Tried the stock Ubuntu Trusty 3.13.0 kernel and also tried using
3.14.10 and 3.15.3 from the PPA. All fail, but 3.15 has the screen go
white after a bit so that's new.
Tried installing various new X stuff that probably is totally
unrelated via ppa:oaibaf/graphics-drivers
Tried disabling dpm with the radeon.dpm=0 parameter.
Tried disabling synchronous suspend with "echo 0 > /sys/power/async".
Not sure what else to try?
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