Re: Q: I/O Problems with Linux 2.4.10 SMP on Tyan Tiger S2460 ?

Anton Tinchev (atl@top.bg)
Wed, 09 Jan 2002 16:11:23 -0800


I have found some similar broblems when upgrading from 440BX SMP board to Asus
CUVX-D (Via 694D) SMP Board
Try on Bios settings
Intel MultiProcessor Specification v1.4 -> change it to v1.1
If it doesn't work - try to recompile your kernel
It may be poor md (soft raid) performance under AMD processors

Uwe Teichmann wrote:

> Dear All,
>
> I'm running a Tyan Tiger S2460 with two Athlon MP 1700+, using SuSE 7.3
> 2.4.10 SMP Kernel. In addition i have 2 Adaptec 29160, each serving at the
> moment only one Seagate Cheetah disk. Creating with Oracle in parallel
> 4 datafiles each 1GB i come up with 34 MB/sec.
>
> On my previous Gigabyte i440 BX with SCSI U2W onboard using above Linux
> version and disk layout, i came up with 48 MB/sec.
>
> So, where is the problem ?
>
> Attached i have the dmesg command output. The only thing i can see is the
>
> CPU has inconsistent mtrr settings
>
> message. mtrr as a module is activated. Could this be the problem ? During
> the run of the above creation of the datafiles, i get the expression only
> cpu at a time works, but i do not know how to prove it.
>
> Thanks for any help.
>
> Ciao,
>
> ------------------------------------------------------------------------
> Name: boot.messages
> boot.messages Type: Plain Text (text/plain)
> Encoding: 8bit

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