Messages in this thread | | | Date | Sun, 29 Mar 1998 18:37:34 +0200 | From | Harald Koenig <> | Subject | Re: GGI and cli/sti in X |
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On Mar 28, Gerhard Mack wrote:
> On Sat, 28 Mar 1998, Alan Cox wrote: > > > > I get 5 or 6 ughs everytime somone runs X onmy system so I'd say your > > > correct, the ughs are allways in do_page_fault. The ughs are normal on > > > any system I've seen with < 16 megs ram. The every once and a while > > > > The "Ugh" is logging the fact someone attempted to handle a page fault while > > having interrupts disabled. This is an extremely bad thing. There are two causes > > > > 1. Incorrect kernel code (I think most of these are now dead) > > 2. Some user process as root which has the misguided idea it can disable > > interrupts after using the iopl() syscall. Well it can't. Not unless > > its prepaged everything it needs and mlock()'d those pages > > > > so its either a kernel or an X bug. > > Well the ughs seem to happen every thime somone changes consoles. I'd bet > on an X bug.
please don't bet on it but show/prove it! I've never seen such a ughs myself (and beleave me I did losts of testing, but only S3 so maybe...). and I can't remember ever having seen any such bug report in XFree86 support list.
Harald -- All SCSI disks will from now on ___ _____ be required to send an email notice 0--,| /OOOOOOO\ 24 hours prior to complete hardware failure! <_/ / /OOOOOOOOOOO\ \ \/OOOOOOOOOOOOOOO\ \ OOOOOOOOOOOOOOOOO|// Harald Koenig, \/\/\/\/\/\/\/\/\/ Inst.f.Theoret.Astrophysik // / \\ \ koenig@tat.physik.uni-tuebingen.de ^^^^^ ^^^^^
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