http://bugzilla.kernel.org/show_bug.cgi?id=7601
[EMAIL PROTECTED] changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |acpi-
| |[EMAIL PROTECTED]
| |et
Owner|acpi_config- |[EMAIL PROTECTED]
|[EMAIL PROTECTED] |
|bugs.osdl.org |
Status|NEW |ASSIGNED
------- Additional Comments From [EMAIL PROTECTED] 2006-11-30 23:06 -------
Piergiorgio,
Please attach the output from 'lspci -vv' and also acpidump ouput.
acpidump can be found in the latest pmtools here:
http://ftp.kernel.org/pub/linux/kernel/people/lenb/acpi/utils/
My first guess is that the irq re-write has somehow collided with the
(unusual) ACPI SCI override on your system:
> ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 20 low level)
means that this is simply wrong:
> 9: 0 IO-APIC-fasteoi acpi
And so as soon as you get an ACPI interrupt, it will pull on IRQ20
and listen to IRQ9 and thus kill whoever is on 20. (err. re-named to 18)
I'm astonished (and somewhat alarmed) that this wasn't
discovered earlier, because this kind of setup is unusual,
but it isn't rare. (Indeed, I think I've got a box someplace
in the back that may have this -- maybe I can reproduce this tomorrow)
Mihai,
For your input to be useful you need to:
1. attach the dmesg all the way back to the beginning
eg. dmesg -s64000
2. attach the output from 'cat /proc/interrupts'
3. do this for both 2.6.18 and 2.6.19
4. lspci -vv and acpidump (only one copy of each) per above.
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