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SubjectRe: 2.6.0-mm1 oops on boot (cpufreq related)
Andrew Morton wrote:
> Alessandro Suardi <alessandro.suardi@oracle.com> wrote:
>
>>pufreq: CPU0 - ACPI performance management activated
>> cpufreq: *P0: 1Mhz, 0 mW, 0 uS
>> cpufreq: P1: 0Mhz, 0 mW, 0 uS
>> divide error: 0000 [#1]
>> PREEMPT
>> CPU: 0
>> EIP: 0060:[<c02cb03f>] Not tainted VLI
>> EFLAGS: 00010246
>> EIP is at cpufreq_notify_transition+0xb2/0x17a
>> eax: 001b1000 ebx: 001b1000 ecx: 00000000 edx: 00000000
>> esi: c1a37f70 edi: 00000000 ebp: 0000008b esp: c1a37fa8
>> ds: 007b es: 007b ss:0068
>> Process swapper (pid: 1, threadinfo=c1a36000 task=f7f9f980)
>> Stack: ffffff00 c01164d9 00000060 00000086 f7dab860 f7dab800 0000008b c01156d3
>> c1a37f70 00000001 c1a37f60 c037b940 00000000 00000086 f7dab860 00000064
>> 01000000 c037b8e0 c037d37e 00000000 00000000 00000001 00000000 c1a37fa8
>> Call Trace:
>> [<c01164d9>] delay_tsc+0xb/0x15
>> [<c01156d3>] acpi_processor_set_performance+0x1e0/0x3e6
>> [<c04652c1>] acpi_cpufreq_init+0x243/0x2a3
>> [<c045e6e6>] do_initcalls+0x27/0x93
>> [<c012c9e7>] init_workqueues+0xf/0x28
>> [<c01070bd>] init+0x30/0x133
>> [<c010708d>] init+0x0/0x133
>> [<c0108f59>] kernel_thread_helper+0x5/0xb
>
>
> hmm, I don't think there's much in the way of cpufreq changes in -mm.
>
> Would you be able to try just 2.6.0 plus
>
> ftp://ftp.kernel.org/pub/linux/kernel/people/akpm/patches/2.6/2.6.0/2.6.0-mm1/broken-out/acpi-20031203.patch
>
> Thanks.

Of course :)

2.6.0 plus your above patch yields a very similar panic, though not
100% identical.

* EIP is at the same place
* Call trace is missing delay_tsc, otherwise identical, offsets included
* First three blocks of the stack differ (all the rest looked identical)
* There is no "VLI" string after "Not Tainted" (I assume it's another
part of the -mm1 patch)

So yup, you got the part that makes -mm1 unbootable here :)

Here's my ACPI options:

[asuardi@incident linux]$ grep -i acpi .config
# Power management options (ACPI, APM)
# ACPI (Advanced Configuration and Power Interface) Support
CONFIG_ACPI=y
CONFIG_ACPI_BOOT=y
CONFIG_ACPI_INTERPRETER=y
# CONFIG_ACPI_SLEEP is not set
CONFIG_ACPI_AC=y
CONFIG_ACPI_BATTERY=y
# CONFIG_ACPI_BUTTON is not set
CONFIG_ACPI_FAN=y
CONFIG_ACPI_PROCESSOR=y
CONFIG_ACPI_THERMAL=y
# CONFIG_ACPI_ASUS is not set
# CONFIG_ACPI_TOSHIBA is not set
CONFIG_ACPI_DEBUG=y
CONFIG_ACPI_BUS=y
CONFIG_ACPI_EC=y
CONFIG_ACPI_POWER=y
CONFIG_ACPI_PCI=y
CONFIG_ACPI_SYSTEM=y
# CONFIG_ACPI_RELAXED_AML is not set
CONFIG_X86_ACPI_CPUFREQ=y
# CONFIG_X86_ACPI_CPUFREQ_PROC_INTF is not set
# CONFIG_SERIAL_8250_ACPI is not set

Available for any fiddling. Ah, holidays ;)


Thanks, ciao,

--alessandro

"Immagina intensamente e vedrai
dove gli altri pensano che non ci sia niente"
(Cristina Dona', "Salti nell'aria")

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