Messages in this thread | | | Date | Wed, 28 Jan 2004 07:37:37 -0600 | From | Matt Domsch <> | Subject | Re: 2.6.2-rc2-bk1 oopses on boot (ACPI patch) |
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On Tue, Jan 27, 2004 at 11:37:55PM -0500, Dmitry Torokhov wrote: > > Divide by zero. Looks like ACPI is now passing bad values into the > > frequency change notifier. > > It is a common problem with Dell's DSDT implementation which does not > follow ACPI spec and it's been going on for ages. From the original > report: > > cpufreq: CPU0 - ACPI performance management activated > cpufreq: *P0: 1Mhz, 0 mW, 0 uS > cpufreq: P1: 0Mhz, 0 mW, 0 uS > divide error: 0000 [#1] > > As you can see all data is bogus... Patching DSDT cures it for sure, > sometimes CONFIG_ACPI_RELAXED_AML helps as well.
Please send me your DSDT and output of dmidecode, and ideally what a proper DSDT should show in this case (I'm not familiar enough with what all the various ACPI tables should contain), and I'll take it up with the BIOS programmers for that platform.
Thanks, Matt
-- Matt Domsch Sr. Software Engineer, Lead Engineer Dell Linux Solutions linux.dell.com & www.dell.com/linux Linux on Dell mailing lists @ http://lists.us.dell.com - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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