Messages in this thread | | | From | Rolf Eike Beer <> | Subject | Re: rc5 seemed to kill a disk that rc4-mm1 likes. Also some X trouble. | Date | Tue, 30 Aug 2005 10:07:04 +0200 |
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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).
Eike [unhandled content-type:application/pgp-signature] | |