[Bug 410726] New: 2nd CPU core is disabled after suspend to ram
https://bugzilla.novell.com/show_bug.cgi?id=410726 Summary: 2nd CPU core is disabled after suspend to ram Product: openSUSE 11.0 Version: Final Platform: i386 OS/Version: openSUSE 11.0 Status: NEW Severity: Normal Priority: P5 - None Component: Kernel AssignedTo: bnc-team-screening@forge.provo.novell.com ReportedBy: dgege1@hotmail.com QAContact: qa@suse.de Found By: Customer When I suspend to ram my laptop and then resume it, KPowersave tells me that the 2nd processor is deactivated. I have no idea if that's true or if KPowersave is screwed up. My system is a Dell XPS M1330. I'll give out any requested info. -- 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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User dgege1@hotmail.com added comment
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--- Comment #1 from Georges A.K.
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--- Comment #2 from Georges A.K.
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Cyril Hrubis
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Jeff Mahoney
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User trenn@novell.com added comment
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Thomas Renninger
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--- Comment #4 from Georges A.K.
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Thomas Renninger
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--- Comment #6 from Georges A.K.
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--- Comment #7 from Georges A.K.
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--- Comment #8 from Georges A.K.
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--- Comment #9 from Georges A.K.
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User aj@novell.com added comment
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Andreas Jaeger
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Thomas Renninger
ok, after doing some testing and checking online, this seems to be a known problem Could you point to the most interesting discussion, pls.
From dmesg after suspend, it looks like we have a corrupted or wrong DSDT
This seem to get an interesting problem. table: ------------------------------- Intel machine check architecture supported. Intel machine check reporting enabled on CPU#1. CPU1: Intel(R) Core(TM)2 Duo CPU T7250 @ 2.00GHz stepping 0d CPU0 attaching sched-domain: domain 0: span 00000000,00000000,00000000,00000003 groups: 00000000,00000000,00000000,00000001 00000000,00000000,00000000,00000002 CPU1 attaching sched-domain: domain 0: span 00000000,00000000,00000000,00000003 groups: 00000000,00000000,00000000,00000002 00000000,00000000,00000000,00000001 ACPI Error (psloop-0136): Found unknown opcode 23 at AML address f882e7c3 offset 0, ignoring [20070126] ACPI Error (psloop-0136): Found unknown opcode 17 at AML address f882e7c4 offset 1, ignoring [20070126] ACPI Error (psloop-0136): Found unknown opcode 20 at AML address f882e7c5 offset 2, ignoring [20070126] nssearch-0336 [00] ns_search_and_enter : Found bad character(s) in name, repaired: [DB**] ACPI Error (psargs-0355): [DBþÿ] Namespace lookup failure, AE_NOT_FOUND ACPI Error (psparse-0537): Method parse/execution failed [\_PR_.CPU1._PCT] (Node f7453784), AE_NOT_FOUND ACPI Exception (processor_perflib-0191): AE_NOT_FOUND, Evaluating _PCT [20070126] CPU1 is up Switched to high resolution mode on CPU 1 ------------------------------- I do not expect the table/memory got corrupted through the suspend. For me it looks like a very small part of the BIOS DSDT/SSDT table is broken. This small part only gets evaluated/parsed after suspend. Found unknown opcode 23, 17, 20 could help to find the corrupted place. Unfortunately the extracted DSDT.dat ends in an endless loop when running: acpiexec DSDT.dat Therefore this cannot be that easily debugged in userspace. Bob could you help, pls. -- 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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User trenn@novell.com added comment
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Thomas Renninger
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