Messages in this thread | | | Subject | Re: CPU/cache detection wrong | From | Alexander Hoogerhuis <> | Date | 30 Sep 2002 19:43:16 +0200 |
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Alan Cox <alan@lxorguk.ukuu.org.uk> writes:
> On Sat, 2002-09-28 at 13:29, Alexander Hoogerhuis wrote: > > CPU: Intel(R) Pentium(R) 4 Mobile CPU 1.70GHz stepping 04 > > Enabling fast FPU save and restore... done. > > Enabling unmasked SIMD FPU exception support... done. > > Checking 'hlt' instruction... OK. > > > > The machine is a Comapq Evo n800c with a 1.7GHz P4-M in it, and > > according to the BIOS I've got 16kb/512Kb L1/L2-cache. Accroding to > > the 2.4.20-pre7-ac3-kernel. It's been like this at least since > > 2.4.19-pre4 or so. > > Can you stick a printk in arch/i386/kernel/setup.c in the function > init_intel > > Just before: > /* look up this descriptor in the table */ > > stick > > printk("Cache info byte: %02X\n", des); > > that will dump the cache info out of the CPU as the kernel scans it and > should let us find the error in the table. >
And the jury says:
PU: Before vendor init, caps: 3febf9ff 00000000 00000000, vendor = 0 Cache info byte: 50 Cache info byte: 5B Cache info byte: 66 Cache info byte: 00 Cache info byte: 00 Cache info byte: 00 Cache info byte: 00 Cache info byte: 00 Cache info byte: 00 Cache info byte: 00 Cache info byte: 00 Cache info byte: 40 Cache info byte: 70 Cache info byte: 7B Cache info byte: 00 CPU: L1 I cache: 0K, L1 D cache: 8K CPU: L2 cache: 512K CPU: After vendor init, caps: 3febf9ff 00000000 00000000 00000000
Let me know if you need more info :)
mvh, A -- Alexander Hoogerhuis | alexh@ihatent.com CCNP - CCDP - MCNE - CCSE | +47 908 21 485 "You have zero privacy anyway. Get over it." --Scott McNealy - 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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