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Subject2.6.0-test5: Hang in i8042_init
I'm still getting these hangs in 2.6.0-test5.


Nick Piggin wrote:

>
>
> Andrew Morton wrote:
>
>> Nick Piggin <piggin@cyberone.com.au> wrote:
>>
>>>
>>>
>>> Felipe Alfaro Solana wrote:
>>>
>>>
>>>> On Fri, 2003-08-29 at 06:53, Nick Piggin wrote:
>>>>
>>>>
>>>>> Is what I am getting. Last line is something like input: PC Speaker
>>>>> (followed by the initcall).
>>>>>
>>>>> dmseg and lspci from a working kernel attached. Let me know if I can
>>>>> do more.
>>>>>
>>>>>
>>>> Could it be something related with
>>>> http://bugzilla.kernel.org/show_bug.cgi?id=1123?
>>>>
>>>>
>>>>
>>>>
>>> Yes it seems quite likely. Further poking reveals that the
>>> box still locks with a PS2 mouse _and_ the USB mouse. A PS2
>>> mouse on its own allows the system to boot, although
>>> interrupt 10 (eth0, usb) is not working. Booting with
>>> acpi=off allows the system to boot normally with the USB
>>> mouse, and interrupt 10 works.
>>>
>>>
>>
>> Nick, please send a full report. There's been quite some breakage
>> from the
>> recent ACPI updates and it'd be nice to work out what happened.
>>
>> Here's the recipe:
>>
>> The dmesg output of the failing case is really helpful, As is the
>> output of acpidmp to examine the ACPI tables on the system. (Red Hat
>> includes both of these in their severn beta1, acpidmp is also in
>> pmtools
>> on intel's ACPI web page) dmidecode output is useful to identify the
>> BIOS
>> version.
>>
>> Of course the 1st thing to check with ACPI failures is that the BIOS
>> version shown by dmidmp is the latest provided by the vendor...
>> Plus, if
>> we determine the BIOS is toast, DMI provides what we need to add the
>> system to the DMI or acpi blacklists.
>>
>> We're seeting the most problems on VIA chip-sets with no IO-APIC. The
>> one below is unusual because it is a 2-way system with 3 IO-APICs.
>>
>> The latest code in linus' tree includes ACPICA 20030813, which is
>> slightly newer than the one below, it might be a good idea to try that
>> with CONFIG_ACPI_DEBUG. Note that it will spit out the DMI info
>> upon the
>> mount root failure automatically.
>>
>> Thanks.
>>
>>
>
> OK, well the computer is a 1 CPU Pentium 4 Celeron. I can't get the
> failing dmesg because I can't get a serial console onto it (it isn't
> my computer). The last line of the dmesg is: "input: PC Speaker", and
> the last initcall is i8042_init.
>
> The computer has a PS2 keyboard and a USB mouse. Booting with a PS2
> mouse attached as well still causes a hang. Booting without the USB
> mouse works, however the USB interrupt (2 ohci-hcd's and eth0 share it)
> no longer works, so eth0 doesn't work, and plugging in the USB mouse
> does nothing.
>
> Attached are dmesg, interrupts, .config, acpidmp, dmidecode, etc.
>
>

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