[CentOS] data corruption on AMD AM2 systems with 4GB of RAM or more
Feizhou
feizhou at graffiti.net
Wed May 30 09:25:17 UTC 2007
Dan Halbert wrote:
> Feizhou wrote:
>> Anybody know if the fix for the incorrect kernel behaviour that leads
>> to data corruption will be available for RHEL4/5 kernels?
>>
> I assume you are talking about the "GART pages must be uncacheable bug",
> which affects AMD processors.
>
> The kernel bug is http://bugzilla.kernel.org/show_bug.cgi?id=7768, which
> has now been closed after a patch was submitted.
>
> I searched for the commit id in the Redhat bugzilla, and found it for
> RHEL5: https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=238709. That
> bug says the fix has been backported and is in RHEL5 kernel
> 2.6.18-18.el5. But I don't see anything about backporting to RHEL4.
I see. So forget RAM >= 4GB on Centos 4 on AMD AM2. Hmmph.
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