On Thu, Feb 20, 2003 at 08:34:28PM -0500, Song Zhao wrote:
> Dual 2.8GHz Xeon, 3ware Escalade 7850 (7500-8) 12 port IDE RAID controller,
> RAID 10, 4x 1GB DDR SDRAM Registered ECC, 2x 80GB WD HDD, 10x 120GB WD HDD,
> ServerWorks Grand Champion LE.
> I am running RH7.3 with 2.4.20 kernel. The performance of this box is about
> half of an almost identical box (Supermicro X5DP8-G2 mobo, E7501 chipset)
You mentioned nothing about what sort of performance you were measuring.
Disk, network, memory bandwidth etc.., however at a complete guess you
are hitting this..
mtrr: Serverworks LE detected. Write-combining disabled.
This workaround was for older sewerworks chipsets which were
buggy. Rumour has it that revisions 6 and above are ok.
I have a patch pending for 2.5, if it turns out to be stable,
it should also get merged back to 2.4
Dave
-- | Dave Jones. http://www.codemonkey.org.uk | SuSE Labs - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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