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SubjectRe: 2.6.19-rc5: known regressions (v3)
Date
On Wednesday 15 November 2006 11:21, Adrian Bunk wrote:

> Subject : x86_64: oprofile doesn't work
> References : http://lkml.org/lkml/2006/10/27/3
> Submitter : Prakash Punnoor <prakash@punnoor.de>
> Status : unknown
>

I confirm a got this one too.
On a working kernel on an Opteron, we have normally 4 directories
in /dev/oprofile :

# ls -ld /dev/oprofile/?
drwxr-xr-x 1 root root 0 15. Nov 12:38 /dev/oprofile/0
drwxr-xr-x 1 root root 0 15. Nov 12:38 /dev/oprofile/1
drwxr-xr-x 1 root root 0 15. Nov 12:38 /dev/oprofile/2
drwxr-xr-x 1 root root 0 15. Nov 12:38 /dev/oprofile/3

With linux-2.6.19-rc5, the first one (0) is missing and we get 1,2,3

Maybe the 'bug' is in oprofile tools, that currently expect to find '0'

Eric
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