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SubjectRe: HPT370/366 testers needed
On Tue, Oct 23, 2001 at 09:51:19AM -0700, Tim Hockin wrote:
> All,
> We have this (attached) large patch for the HighPoint driver.
> Specifically, it deals with HPT370 controllers, and should make them MUCH
> more stable (Adrian spent weeks on the phone with HighPoint).
> What I'd like is for people to test this patch on other systems with
> HighPoint 370 controllers. Also, I need people with HPT366 chips to test,
> and find any problems - we don't have HPT366 here to test.

> Volunteers?

I don't have any HighPoint controllers here, but I did spot a bug in
the patch that's easy to fix:

> -#if 0
> - if (test != 0x08)
> - pci_write_config_byte(dev, PCI_CACHE_LINE_SIZE, 0x08);
> -#else
> if (test != (L1_CACHE_BYTES / 4))
> pci_write_config_byte(dev, PCI_CACHE_LINE_SIZE, (L1_CACHE_BYTES / 4));
> -#endif

This isn't correct on current Athlon and P4 machines running kernels
compiled for i686. One approach is to only set the cache line size if
the bios set it to something less than we expect it to, or to leave
this kind of pci hackery to the generic pci layer. It's important to
note that quite a few drivers share this bug at present. Cheers,

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