linux-kernel - Re: [Bugme-new] [Bug 7437] New: VIA VT8233 seems to suffer from the via latency quirk

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Message-Id: <20061030163458.4fb8cee1.akpm@osdl.org>
Date:	Mon, 30 Oct 2006 16:34:58 -0800
From:	Andrew Morton <akpm@...l.org>
To:	sylvain.bertrand@...il.com
Cc:	linux-kernel@...r.kernel.org, Greg KH <greg@...ah.com>,
	Chris Wedgwood <cw@...f.org>,
	"bugme-daemon@...nel-bugs.osdl.org" 
	<bugme-daemon@...zilla.kernel.org>
Subject: Re: [Bugme-new] [Bug 7437] New: VIA VT8233 seems to suffer from the
 via latency quirk


(switched to email - please retain all cc's)

On Mon, 30 Oct 2006 16:20:16 -0800
bugme-daemon@...zilla.kernel.org wrote:

> http://bugzilla.kernel.org/show_bug.cgi?id=7437
> 
>            Summary: VIA VT8233 seems to suffer from the via latency quirk
>     Kernel Version: 2.6.19-rc3
>             Status: NEW
>           Severity: normal
>              Owner: greg@...ah.com
>          Submitter: sylvain.bertrand@...il.com
> 
> 
> Most recent kernel where this bug did not occur: 2.6.19-rc3

Nope.  We're asking which kernel did _not_ have this bug?

> Distribution: All
> Hardware Environment: ASUS A7V266-E motherboad (northbridge VIA KT266A,
> southbridge VIA 8233), PCI SB LIVE!, onboard promise IDE controller, additional
> PCI USB2 card.
> Software Environment: any
> 
> Problem Description: Fear to load the PCI bus, because it seems to cause a hard
> crash with hard drive data corruption. Too much similar to quirk_vialatency in 
> drivers/pci/quirks.c (see description line 163) to be innocent.
> 
> Steps to reproduce: Load the PCI bus with, for instance, a big file transfer
> from an usb mass storage media v2 connected on a PCI USB2 card to the main hard
> drive and at the same time play music. Randomly crashes the computer and
> corrupts hard drive data (sometimes beyond repair).
> 

argh.  Are you able to identify a change to the via quirk-handling code
which prevents this from happening?

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