Re: Extreme IDE slowdown with 2.2.18

From: Mike A. Harris (mharris@opensourceadvocate.org)
Date: Wed Dec 20 2000 - 23:09:09 EST


On Thu, 21 Dec 2000, Alan Cox wrote:

>Date: Thu, 21 Dec 2000 00:49:45 +0000 (GMT)
>From: Alan Cox <alan@lxorguk.ukuu.org.uk>
>To: Julian Anastasov <ja@ssi.bg>
>Cc: Robert Högberg <robho956@student.liu.se>,
> linux-kernel <linux-kernel@vger.kernel.org>
>Content-Type: text/plain; charset=us-ascii
>Subject: Re: Extreme IDE slowdown with 2.2.18
>
>> > known problem with the 2.2.18 kernel?
>>
>> Yes, 2.2.18 is not friendly to all MVP3 users. The autodma
>> detection was disabled for the all *VP3 users in drivers/block/ide-pci.=
>> c.
>
>Because it was causing disk corruption for some people.

I wish I read this email 24 hours ago. ;o(

>It took a lot of tracking down and I want the shipped kernel
>safe. I now know I'm covering too many chip versions so 2.2.19
>I can get the later VP3's back okay

Any info I can provide to help with my corruption problem
enabling UDMA?

00:00.0 Host bridge: VIA Technologies, Inc. VT82C598 [Apollo
MVP3] (rev 04)
        Flags: bus master, medium devsel, latency 16
        Memory at d8000000 (32-bit, prefetchable)
        Capabilities: [a0] AGP version 1.0

00:01.0 PCI bridge: VIA Technologies, Inc. VT82C598 [Apollo MVP3
AGP] (prog-if 00 [Normal decode])
        Flags: bus master, 66Mhz, medium devsel, latency 0
        Bus: primary=00, secondary=01, subordinate=01, sec-latency=0

00:07.0 ISA bridge: VIA Technologies, Inc. VT82C596 ISA [Apollo
PRO] (rev 23)
        Subsystem: VIA Technologies, Inc. VT82C596/A/B PCI to ISA
Bridge
        Flags: bus master, stepping, medium devsel, latency 0

00:07.1 IDE interface: VIA Technologies, Inc. VT82C586 IDE
[Apollo] (rev 10) (prog-if 8a [Master SecP PriP])
        Flags: bus master, medium devsel, latency 32
        I/O ports at e000
        Capabilities: [c0] Power Management version 2

00:07.3 Host bridge: VIA Technologies, Inc.: Unknown device 3050
(rev 30)
        Flags: medium devsel

Dunno if that helps...

----------------------------------------------------------------------
      Mike A. Harris - Linux advocate - Open source advocate
          This message is copyright 2000, all rights reserved.
  Views expressed are my own, not necessarily shared by my employer.
----------------------------------------------------------------------

Red Hat FAQ tip: Having trouble upgrading RPM 3.0.x to RPM 4.0.x? Upgrade
first to version 3.0.5, and then to 4.0.x. All packages are available on
Red Hat's ftp sites: ftp://ftp.redhat.com ftp://rawhide.redhat.com

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
Please read the FAQ at http://www.tux.org/lkml/



This archive was generated by hypermail 2b29 : Sat Dec 23 2000 - 21:00:28 EST