On Thursday, 13 of December 2007, Rafael J. Wysocki wrote: > On Thursday, 13 of December 2007, Andrew Morton wrote: > > On Fri, 21 Sep 2007 15:37:40 -0400 (EDT) Alan Stern <stern@xxxxxxxxxxxxxxxxxxx> wrote: > > > > > This patch (as994) reorganizes the way suspend and resume > > > notifications are sent to drivers. The major changes are that now the > > > PM core acquires every device semaphore before calling the methods, > > > and calls to device_add() during suspends will fail. > > > > Causes my t61p to deadlock during suspend-to-RAM. Really late - the little > > moon symbol has started to flash but the LCD is still powered and the > > cursor still blinks. Only a poweroff restores control. > > Most probably, one of the drivers or a CPU hotplug notifier unregisters a > device during suspend (wrong). > > Please boot with no_console_suspend and check if the box survives (with this > patch applied): > > # echo 8 > /proc/sys/kernel/printk > # echo processors > /sys/power/pm_test > # echo mem > /sys/power/state > > If it doesn't, you can try > > # echo platform > /sys/power/pm_test > # echo mem > /sys/power/state > > and > > # echo devices > /sys/power/pm_test > # echo mem > /sys/power/state Ah, that won't work, because git-acpi-build-fix.patch killed /sys/power/pm_test altogether. Sorry. _______________________________________________ linux-pm mailing list linux-pm@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linux-foundation.org/mailman/listinfo/linux-pm
