On Sunday, 3 of February 2008, Pavel Machek wrote: > On Sun 2008-02-03 18:39:01, Rafael J. Wysocki wrote: > > On Sunday, 3 of February 2008, matthieu castet wrote: > > > matthieu castet wrote: > > > > Hi, > > > > > > > > I am trying to make work suspend to ram on a MSI MS-6380E with a 2.6.23 > > > > kernel. > > > > > > > > Standby mode works. > > > > S2ram suspend seems to work : the computer turn off and I can wake up it > > > > with the keyboard. > > > > > > > > But when the computer wakeup, I see the video card POST on the screen, > > > > but after that the computer hangs : black screen, no working numlock. > > > > > > > > I tried to compile PM_TRACE, but it give no result. So this means the > > > > resume hang very early. > > > > > > > > What can I do to debug this ? > > > > > > > I play with the s2_beep feature and : > > > - echo 4 > /proc/sys/kernel/acpi_video_flags make the computer beep > > > - echo 4 > /proc/sys/kernel/acpi_video_flags make the computer not beep > > > - adding a beep in bogus_real_magic, make the computer not beep > > > > > > So the hang seems located in wakeup_start. > > > > Hm. Can you add unconditional BEEP after "jne bogus_real_magic" in > > arch/x86/kernel/acpi/wakeup.S and see if it beeps? > > Hmm, maybe I know where problem could be. Try > > movl $(wakeup_stack - wakeup_code), %esp # Private stack is needed for ASUS bo\ > > instead of existing stack setup. That helped on one of my test-boxes > -- I uncovered that during rewrite. Well, that could explain some mysterious failures reported from time to time by ASUS users. Rafael _______________________________________________ linux-pm mailing list linux-pm@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linux-foundation.org/mailman/listinfo/linux-pm
