Messages in this thread | | | Date | Thu, 5 Aug 2004 17:10:17 -0400 | From | Chris Shoemaker <> | Subject | Re: Possible dcache BUG |
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On Thu, Aug 05, 2004 at 09:26:10AM -0700, Linus Torvalds wrote: > > Anyway, one other thing that makes me worry is the fact that Gene > apparently has a K7. One of the things AMD has gotten wrong several times > is prefetching, and it so happens that the dcache code is one of the users > of the prefetch instruction. prude_dcache() in particular. > > So I'm also entertaining the notion that there's an actual prefetch data > corruption, not just the known AMD bug with occasional spurious page > faults. Who else has seen the problem? What CPU's are involved? > > Linus
Assuming that what I was seeing was the same problem...
chris@peace:~$ cat /proc/cpuinfo processor : 0 vendor_id : GenuineIntel cpu family : 6 model : 8 model name : Celeron (Coppermine) stepping : 10 cpu MHz : 1002.487 cache size : 128 KB fdiv_bug : no hlt_bug : no f00f_bug : no coma_bug : no fpu : yes fpu_exception : yes cpuid level : 2 wp : yes flags : fpu vme de tsc msr pae mce cx8 sep mtrr pge mca cmov pat pse36 mmx fxsr sse bogomips : 1982.46
BTW, a recent oops from wli looked similar, but I don't think he's spoken up in this thread.
He seems busy tracking down other things.
-chris
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