[EMAIL PROTECTED] (Jes Sorensen) wrote:
>
> This patch introduces ia64 specific read/write handlers for /dev/mem
> access which is needed to avoid uncached pages to be accessed through
> the cached kernel window which can lead to random corruption.
This patch causes hiccups on my ia32e box.
linux:/home/akpm# /usr/sbin/hwscan --isapnp
zsh: 7528 segmentation fault /usr/sbin/hwscan --isapnp
linux:/home/akpm# /usr/sbin/hwscan --pci
zsh: 7529 segmentation fault /usr/sbin/hwscan --pci
linux:/home/akpm# /usr/sbin/hwscan --block
zsh: 7530 segmentation fault /usr/sbin/hwscan --block
linux:/home/akpm# /usr/sbin/hwscan --floppy
zsh: 7533 segmentation fault /usr/sbin/hwscan --floppy
strace ends with:
open("/proc/apm", O_RDONLY) = -1 ENOENT (No such file or directory)
open("/dev/mem", O_RDONLY) = 3
lseek(3, 1024, SEEK_SET) = 1024
read(3, 0x50a080, 256) = -1 EFAULT (Bad address)
close(3) = 0
--- SIGSEGV (Segmentation fault) @ 0 (0) ---
+++ killed by SIGSEGV +++
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