[Bug 350017] New: powersaved segfault
https://bugzilla.novell.com/show_bug.cgi?id=350017 Summary: powersaved segfault Product: openSUSE 10.3 Version: Final Platform: 64bit OS/Version: openSUSE 10.3 Status: NEW Keywords: dogfood Severity: Critical Priority: P5 - None Component: Other AssignedTo: bnc-team-screening@forge.provo.novell.com ReportedBy: basus@email.cz QAContact: qa@suse.de Found By: Other During boot powersaved crash. -- 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 Tomáš Bašus
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Mark Gordon
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Danny Kukawka
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Danny Kukawka
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User basus@email.cz added comment
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--- Comment #3 from Tomáš Bašus
During boot powersaved crash.
Only occure with new BIOS version 1503 (MB ASUS M2N32-SLI Deluxe) with old BIOS v. 1201 it's again now everything OK. BIOS 1501 has probably a lot of bugs :-( -- 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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Thomas Renninger
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Holger Macht
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--- Comment #5 from Tomáš Bašus
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--- Comment #6 from Tomáš Bašus
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--- Comment #7 from Nico Kruber
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Nico Kruber
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Vladimir Kozhevnikov
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Thomas Renninger
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Robert Moore
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Thomas Renninger
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Thomas Renninger
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--- Comment #12 from Thomas Renninger
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--- Comment #13 from Thomas Renninger
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Yakui Zhao
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--- Comment #15 from Yakui Zhao
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--- Comment #16 from Thomas Renninger
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--- Comment #17 from Thomas Renninger
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--- Comment #18 from Thomas Renninger
https://bugzilla.novell.com/show_bug.cgi?id=350017 User yakui.zhao@intel.com added comment https://bugzilla.novell.com/show_bug.cgi?id=350017#c19 --- Comment #19 from Yakui Zhao2008-01-15 18:49:16 MST --- HI, Thomas thanks for your work. As you pointed that, the difference between the customed DSDT and original DSDT is that: > DefinitionBlock ("DSDT.aml", "DSDT", 1, "NVIDIA", "AWRDACPI", 0x00001000) { - External (\_PR_.CPU0) - Scope (\_PR) { Processor (\_PR.C000, 0x00, 0x00000000, 0x00) {} @@ -8988,7 +8986,7 @@ Name (_PSL, Package (0x01) { - \_PR.CPU0 + \_PR.C000 }) To use the customed DSDT is to confirm whether the problem is caused by the uncorrrect reference in _PSL method. Now it seems that it is caused by the broken BIOS. It will be more appropriate to fix this bug by BIOS update. What you said in comment #17 is very right. After applying the patch in bug9429 ,access to unresovled reference will cause potential problem. Thanks. -- 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 #20 from Thomas Renninger
It will be more appropriate to fix this bug by BIOS update. Yes, but I think, and that is the reason why I am still searching, that this bug exposed an ugly invalid (pointer) node bug.
For debugging on another machine, I changed: Name (_PSL, Package (0x01) { \_PR.C000 \_PR.C001 }) to e.g.: Name (_PSL, Package (0x01) { \_PR.K000 \_PR.K001 }) The first reference node was again an invalid pointer, the second was NULL (as it should be I expect) and "Invalid passive trip point" was shown -> No kernel oops, etc.. Using only invalid reference only the invalid pointer/node is there and the code runs into the oops. This if/else path came in with the above stated patch (if code runs through here it also shows the "Ignoring unresolved reference in package", maybe this is the right place to fix this?): * We didn't find the target and we are populating elements * of a package - ignore if slack enabled. Some ASL code * contains dangling invalid references in packages and * expects that no exception will be issued. Leave the * element as a null element. It cannot be used, but it * can be overwritten by subsequent ASL code - this is * typically the case. But instead of leaving the element to be NULL as stated, it seems it is an invalid (uninitialized?) pointer. But I had some problems with this internal to external conversions and couldn't find the right object to clear with NULL and I had to reboot for each test... -- 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 #21 from Tomáš Bašus
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Thomas Renninger
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Tomáš Bašus
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--- Comment #24 from Tomáš Bašus
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Thomas Renninger
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Oskar Eisemuth
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Thomas Renninger
After fixing the DSDT by hand, powersaved doesn't crash anymore and a poweroff works too. Oops. Great. Are you sure it's the same problem? Can you post a diff of the ASL fix and best also attache whole acpidump to verify.
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--- Comment #28 from Oskar Eisemuth
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--- Comment #29 from Oskar Eisemuth
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Dean Hilkewich
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--- Comment #32 from Oskar Eisemuth
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--- Comment #36 from Thomas Renninger
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--- Comment #37 from Thomas Renninger
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--- Comment #38 from Robert Moore
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--- Comment #39 from Thomas Renninger
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