On Tue, 2009-02-03 at 16:42 +0100, Lasse Reinhold wrote:
> Hi, I'm new here.
> 
> On the RISC machines, unaligned memory access is apparently being
> emulated silently by the kernel. How would you detect them as
> non-root, not having access to syslog?

I checked gcc30 (alpha):

tail /var/log/kern.log
Feb  3 17:37:47 sarah kernel: qpress(14301): unaligned trap at 
000000012000cd90: 000000011f00610a 2c 1
Feb  3 17:37:47 sarah kernel: qpress(14301): unaligned trap at 
000000012000cd98: 000000011f00610b 2c 1
Feb  3 17:37:47 sarah kernel: qpress(14328): unaligned trap at 
000000012000cd8c: 000000011f8ce109 2c 1
Feb  3 17:39:46 sarah kernel: qpress(14422): unaligned trap at 
000000012000cd8c: 000000011f198109 2c 1
Feb  3 17:39:46 sarah kernel: qpress(14422): unaligned trap at 
000000012000cd90: 000000011f19810a 2c 1
Feb  3 17:39:46 sarah kernel: qpress(14422): unaligned trap at 
000000012000cd98: 000000011f19810b 2c 1

On gcc53 (powerpc) nothing in the logs.

I'll look for something to make the system logs permanently readable to
users under debian (if someone knows how to do that ping me by email).

Laurent


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