[Bug 768937] New: suspend hangs on hp elitebook 8460p
https://bugzilla.novell.com/show_bug.cgi?id=768937 https://bugzilla.novell.com/show_bug.cgi?id=768937#c0 Summary: suspend hangs on hp elitebook 8460p Classification: openSUSE Product: openSUSE 12.1 Version: Final Platform: HP OS/Version: openSUSE 12.1 Status: NEW Severity: Major Priority: P5 - None Component: Kernel AssignedTo: kernel-maintainers@forge.provo.novell.com ReportedBy: richlv@nakts.net QAContact: qa-bugs@suse.de Found By: --- Blocker: --- Created an attachment (id=496500) --> (http://bugzilla.novell.com/attachment.cgi?id=496500) dmesg of a clean boot User-Agent: Opera/9.80 (X11; Linux x86_64; U; en) Presto/2.10.229 Version/11.64 opensuse 12.1, recently patched. Linux 3.1.10-1.13-desktop #1 SMP PREEMPT Tue Jun 12 13:11:31 UTC 2012 (44a489e) x86_64 x86_64 x86_64 GNU/Linux attempts to suspend mostly hang when suspending, although sometimes suspend/resume cycle succeeds. i haven't been able to determine what causes this difference (success is pretty rare). i seem to recall both suspend and hibernate working w/o problems when i installed 12.1 initially, but i did not to lots of repeated tests. -------------------------------- similar issues this seems to be different than https://bugzilla.novell.com/show_bug.cgi?id=648742 as i can run all kinds of 3d things w/o any issues, and not running them does not make suspend succeed. this seems to be different than https://bugzilla.novell.com/show_bug.cgi?id=725945 as this isn't asus and suspend does succeed every now and then this is different than https://bugzilla.novell.com/show_bug.cgi?id=746580 as this system doesn't have realtek card this doesn't seem to be http://askaralikhan.blogspot.de/2011/03/hp-elitebook-8540p-hibernatesuspend.... , as removing xhci_hcd did not help. while at that, everything else matching "hci" was removed (firewire_ohci, firewire_core, sdhci_pci, sdhci, mmc_core), which had no impact on the hanging. -------------------------------- other things attempted after trying the steps at https://bugzilla.novell.com/show_bug.cgi?id=749626 , system hung. some keys made it beep. single power button press made screen flash quickly. after a forced reboot screen brightness was stuck at 100% (but that seems to be a known upstream issue https://bugzilla.kernel.org/process_bug.cgi) after reading http://www.kernel.org/doc/Documentation/power/basic-pm-debugging.txt , tried to follow http://en.opensuse.org/SDB:Suspend_to_RAM (namely, running s2ram -f -a 1/2/3), but that was probably almost useless - before suspending s2ram said "KMS graphics driver is in use, skipping quirks." nevertheless, quick results : out of 5 attempts it hung in 4 of them. once it successfully suspended & resumed. # s2ram -n Machine unknown This machine can be identified by: sys_vendor = "Hewlett-Packard" sys_product = "HP EliteBook 8460p" sys_version = "A0001D02" bios_version = "68SCF Ver. F.22" doublechecked that disconnecting all usb devices before a suspend attempt does not help. unloaded iwlagn module before suspending, which did not help. to make sure software state is ok, echo freezer > /sys/power/pm_test echo disk > /sys/power/state were tried, which worked without any issues. Reproducible: Always -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.
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--- Comment #1 from Rihards Olups
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--- Comment #2 from Rihards Olups
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--- Comment #3 from Rihards Olups
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--- Comment #4 from Rihards Olups
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--- Comment #5 from Rihards Olups
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--- Comment #6 from Rihards Olups
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Jeff Mahoney
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--- Comment #8 from Rihards Olups
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Rihards Olups
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Jeff Mahoney
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