* Rafael J. Wysocki <rjw@xxxxxxx> wrote: > > Bingo. It's a HAL quirk. > > > > Testing from the console (not X): > > > > With 4b4f7280: > > # echo mem >/sys/power/state -- works fine > > > > # echo 3 >/proc/sys/kernel/acpi_video_flags > > # echo mem >/sys/power state -- fails to resume > > > > Without 4b4f7280: > > # echo mem >/sys/power/state -- works fine > > > > # echo 3 >/proc/sys/kernel/acpi_video_flags > > # echo mem >/sys/power state -- works fine > > > > So HAL contains an apparently unnecessary quirk for my laptop, and > > 4b4f7280 breaks that quirk. Of course, it's entirely possible that > > 4b4f7280 is 100% correct, but that the quirk only worked by accident and > > 4b4f7280 broke the call into video BIOS. > > We've had reports from users of Intel graphics and the i915 driver > that previously working quirks started to break their systems with > 2.6.26-rc, but instead the plain "echo mem > /sys/power/state" started > to work for them. Your system may be one of these, but I wonder what > the effect of commit 4b4f7280 is. > > The first possibility is that the quirks actually didn't work on your > system with 2.6.26-rc before commit 4b4f7280 at all for some obscure > reason and that commit made them work again which in turn resulted in > the breakage. > > The second possibility is that commit 4b4f7280 actually broke those > quirks. > > I'm not sure if it's worth the effort to check which of the above > really happened. After all, you can suspend and resume the box > without any quirks now. ;-) which is the ideal situation :-) we still need to find the HAL quirk and disable it, right? Ingo _______________________________________________ linux-pm mailing list linux-pm@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linux-foundation.org/mailman/listinfo/linux-pm
