On Thu, 2009-09-10 at 09:02 -0600, Bjorn Helgaas wrote: > On Wednesday 09 September 2009 01:32:27 pm Simon Kitching wrote: > > On Wed, 2009-09-09 at 10:31 +0800, Lin Ming wrote: > > > On Wed, Sep 9, 2009 at 3:16 AM, Simon Kitching<skitching@xxxxxxxxxx> wrote: > > > > Hi All, > > > > > > > > Suspend-to-mem and resume seem to work fine, but I get a few odd ACPI > > > > messages in dmesg. Is this of interest to anyone? > > > > > > > > [ 188.914261] ACPI Exception: AE_AML_PACKAGE_LIMIT, Index (000000005) > > > > is beyond end of object 20090521 exoparg2-445 > > > > [ 188.914278] ACPI Error (psparse-0537): Method parse/execution failed > > > > [\_SB_.C248] (Node f701a6d8), AE_AML_PACKAGE_LIMIT > > > > [ 188.914344] ACPI Error (psparse-0537): Method parse/execution failed > > > > [\_SB_.C002.C0DE.C354._STM] (Node f701d780), AE_AML_PACKAGE_LIMIT > > > > [ 188.914415] ata5: ACPI set timing mode failed (status=0x300b) > > > > > > > > > > > > Kernel: 2.6.31-rc9 > > > > Distro: ubuntu 09.04 > > > > Hardware: Compaq nc8430 laptop > > > > CPU: core duo T2500 > > > > > > > > These messages are generated every time I run > > > > echo "mem" > /sys/power/state > > > > although otherwise the suspend/resume seems 100% ok. > > > > > > > > I'm happy to provide more info or run tests if anyone wants me to. > > > > > > Could you attach the acpidump output? > > > > Rather than send a 300kb attachment, I have put the relevant file here: > > http://people.apache.org/~skitching/acpidump.txt > > I think this is a BIOS defect. Frans Pop reported the same > problem earlier on a Compaq 2510p. I poked our notebook BIOS > people about it, but since these are fairly old notebooks and > we haven't seen any real problem (other than the error messages), > there's not much interest in fixing it. Sorry; I wish I had a > better answer. > Well, if this is due to a defective BIOS, then not much can be done; there certainly isn't much point in releasing new BIOS versions for 3-year-old systems. I posted mainly because it might indicate a Linux ACPI implementation bug that could be fixed. Hopefully in future BIOS makers will try boot/suspend/resume tests with Linux before shipping :-) Thanks to you all. Regards, Simon -- To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
