Sony Vaio VGN-SZ340 (was sonypc with Sony Vaio VGN-SZ1VP)

Sony Vaio VGN-SZ340 (was sonypc with Sony Vaio VGN-SZ1VP)

Post by Len Brow » Sun, 07 Jan 2007 02:20:12



What workaround are you using?


The frequency scaling issue sounds like a BIOS/Linux incompatibility.
Please open a bugzilla, if you haven't already, and include the
output from acpidump.

The nvidia issue sounds like an interrupt issue, so please reproduce
it using the open source nvidia driver (not the nvidia binary),
and include the lspci -vv output, dmesg, and /proc/interrupts.

thanks,
-Len
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Sony Vaio VGN-SZ340 (was sonypc with Sony Vaio VGN-SZ1VP)

Post by MoRpHeU » Sun, 07 Jan 2007 02:30:14

> What workaround are you using?

This one: http://www.yqcomputer.com/


I agree that it sound like a BIOS/Linux incompatibility. You can
find my acpidump and DSDT inside the link above. That bug is still
opened.


Will try that !

Thanks !
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Sony Vaio VGN-SZ340 (was sonypc with Sony Vaio VGN-SZ1VP)

Post by Len Brow » Sun, 07 Jan 2007 03:20:07


Ah yes, the duplicate MADT issue is clearly a BIOS bug.
It is possible that we can tweak our Linux workaround for it to be more
Microsoft Windows Bug Compatbile(TM).


It looks like this issue results from that above,
rather than being an additional problem.


If interrupts fail using the open source nvidia driver, (and using the workaround
from the bug above to use the right MADT, please open a new bug report
as I think it would be an independent issue.

thanks,
-Len
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Sony Vaio VGN-SZ340 (was sonypc with Sony Vaio VGN-SZ1VP)

Post by Bjorn Helg » Sun, 07 Jan 2007 13:40:06


Maybe Windows discovers processors using the namespace rather
than the MADT.
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Sony Vaio VGN-SZ340 (was sonypc with Sony Vaio VGN-SZ1VP)

Post by Len Brow » Sat, 13 Jan 2007 05:00:15


Nod.

Based on the fact that the 1st MADT on this box is toast, they're not using that.
If the last one also doesn't work universally, then they must be using the namespace.

For us to do the same would be a relatively significant change -- as it means
we either have to push SMP startup after the interpreter init, or move the
interpreter init yet sooner.

In general, over the last couple of years, we've been forced for compatibility
with various systems to move ACPI initialization sooner and sooner.
(I think the last issue was getting the HW into "ACPI mode" sooner
because some stuff I don't recall didn't work if we didn't)
It would probably make sense to experiment with what the soonest we
can initialize ACPI, as I have a feeling we're going to have to head that way.

-Len
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Sony Vaio VGN-SZ340 (was sonypc with Sony Vaio VGN-SZ1VP)

Post by Alexey Sta » Sat, 13 Jan 2007 05:10:22


If any of the two tables does not work, may be we need both together?

Regards,
Alex.
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