[lkml]   [2002]   [Mar]   [16]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
SubjectRe: 2.4.19-pre2 Cyrix III SEGFAULT (Cyrix II redux?)
On Sat, Mar 16, 2002 at 10:07:05AM -0800, S W wrote:
> But I recalled Linux 2.2 having a bug fix for broken
> L2 cache in Cyrix II.

The cache itself isn't broken. Reporting of the size of it is.

> So, it got me thinking again...
> (did Cyrix fix this L2 cache in certain subsequential
> core?)

The bug is potentially in all cores with cpuid 670->68F
If you have it, and you're not running a kernel with the
fix you'll see you have a 16MB cache. If you run a kernel
with the fix, you'll have the correct size (64KB)

> Does anyone recall where exactly are the Cyrix II L2
> cache bug fix in the kernelso that I can experiement
> them toward the Cyrix III?

arch/i386/kernel/setup.c display_cacheinfo()

| Dave Jones.
| SuSE Labs
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to
More majordomo info at
Please read the FAQ at

 \ /
  Last update: 2005-03-22 13:24    [W:0.080 / U:0.140 seconds]
©2003-2018 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site