Bug Hunter wrote:
> Thanks! That was it. I had read the man pages, and "Linux device
> drivers" (OReilley) and could find no documentation regarding the value
> to feed to iopl() other than the iopl(2) that was mentioned in the man
> page for iob.
>
> Is there a good treatise for this somewhere?
I don't know if it's mentioned in The Linux Kernel or The Kernel
Hacker's Guide. I just found that increasing the iopl to 3 cured the
segv.
> Also about the entire glibc stuff?
What about glibc? There is reasonable documention in the info file,
although when it comes to system calls (particularly multi-purpose
calls such as ioctl), the behaviour depends upon the underlying OS.
--
Glynn Clements <[EMAIL PROTECTED]>