linux-kernel - Re: PARAVIRT_GUEST bug? [was: Stable regression: usb-storage is stuck in 2.6.26.5]

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Message-ID: <48CFF7A9.3070007@msgid.tls.msk.ru>
Date:	Tue, 16 Sep 2008 22:15:05 +0400
From:	Michael Tokarev <mjt@....msk.ru>
To:	Jeremy Fitzhardinge <jeremy@...p.org>
CC:	linux-kernel@...r.kernel.org
Subject: Re: PARAVIRT_GUEST bug? [was: Stable regression: usb-storage is stuck
 in 2.6.26.5]

Jeremy Fitzhardinge wrote:
[...]
> Michael Tokarev wrote:
>> The question is if Asus introduced the same bug in quite.. some
>> of their recent BIOSes, or PARAVIRT_GUEST code is somehow buggy
>> and the bug is exposed by new BIOS code.
>>
>> Any hints on this? ;)
> 
> PARAVIRT_GUEST doesn't enable anything by itself; it just makes other
> config options appear.  What other config options are you enabling?
> 
> That is, what's the diff between a working and a non-working .config?

I stand corrected.  I meant to say CONFIG_PARAVIRT, not CONFIG_PARAVIRT_GUEST:

# diff -U0 config.working config.bad
--- config.working	2008-09-16 22:09:14.844324435 +0400
+++ .config.bad	2008-09-16 22:10:04.914320258 +0400
@@ -4 +4 @@
-# Tue Sep 16 21:47:31 2008
+# Tue Sep 16 22:10:04 2008
@@ -181 +181 @@
-# CONFIG_PARAVIRT is not set
+CONFIG_PARAVIRT=y

/mjt
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