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SubjectRe: Tighten up serverworks workaround.
On Wed, 26 Feb 2003 13:03:10 -0500 (EST)
Alan Cox <alan@redhat.com> wrote:

> > How can e help? Please give me a configuration and how the bug manifests
> > inself.
>
> OSB4 chipset system, some memory areas marked write combining with the
> processor memory type range registers. A long time ago Dell (I
> think) reported corruption from this and submitted changes to block the
> use of write combining on OSB4. The question has arisen as to whether
> thats a known thing, and if so which release of the chipset fixed it so that
> people can only apply such a restriction to problem cases not all OSB4.
>
> Alan

While we are at the topic. What exactly is this:

00:00.2 Host bridge: ServerWorks: Unknown device 0006 (rev 01)
Control: I/O- Mem+ BusMaster- SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B-
Status: Cap- 66Mhz- UDF- FastB2B- ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort+ >SERR- <PERR-

00:00.3 Host bridge: ServerWorks: Unknown device 0006 (rev 01)
Control: I/O- Mem+ BusMaster- SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B-
Status: Cap- 66Mhz- UDF- FastB2B- ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort+ >SERR- <PERR-

00:0f.3 Host bridge: ServerWorks: Unknown device 0225
Subsystem: ServerWorks: Unknown device 0230
Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B-
Status: Cap- 66Mhz- UDF- FastB2B- ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR-
Latency: 0

Taken from an Asus TRL-DLS.

--
Regards,
Stephan

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