> > 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
XF86 3.1.2 (latest I have convient access to) does *not* do *any*
cli()/sti()'s. At least in os-dependend section disable_interrupts()
is empty function.
> so its either a kernel or an X bug.
...so I doubt this is X bug. It would be nice if some X hacker joined
this debate...
Pavel
-- I'm really pavel@atrey.karlin.mff.cuni.cz. Pavel Look at http://atrey.karlin.mff.cuni.cz/~pavel/ ;-).- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.rutgers.edu