Am Dienstag, 30. August 2005 10:07 schrieb Rolf Eike Beer: >Linus Torvalds wrote: >>On Mon, 22 Aug 2005, Rolf Eike Beer wrote: >>> >It's a PII-350 with more or less SuSE 9.3. The machine has no net >>> > access, so I can only try to narrow it down to one rc at the weekend. >>> >>> 2.6.12 works fine, everything since 2.6.13-rc1 breaks it. >> >>Gaah. I don't see anything really obvious in that range. However, I notice >>that pci_mmap_resource() (in drivers/pci/pci-sysfs.c) now has >> >>+ if (i >= PCI_ROM_RESOURCE) >>+ return -ENODEV; >> >>which seems a big bogus. Why wouldn't we allow the ROM resource to be >>mapped? I could imagine that the X server would very much like to mmap it, >>although I don't know if modern X actually does that. The fact that it >>works when root runs the X server and causes problems for normal users >>does seem like there's something that root can do that users can't do, and >>doing a mmap() on /dev/mem might be just that. >> >>Eike, maybe you could change the ">=" to just ">" instead? >> >>PS. The patch that introduced this was billed as "no change for anything >>but ppc". Tssk. > >This does not fix the problem. I'll narrow it down to one git snapshot next >weekend (forgot the tarball on friday). The problem appeared between 2.6.12-git3 and 2.6.12-git4. Eike
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