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SubjectRe: Syslog-NG Fails as of Kernel 2.6.38-rc1
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Date
> > The following appears in dmesg from kernels 2.6.38-rc1 to
> > 2.6.38-rc2-git5 (Not an issue in 2.6.37 stable):

[...]

> > ----------
> > ::Starting Syslg-NG [BUSY] Error opening file for reading:
> > filename '/proc/kmsg', error='Operation not permitted (1)'
> > Error initializing source driver: source='src', id='src#2' Error
> > initializing message pipline;
> > [FAIL]

The problem is, that syslog-ng doesn't have the CAP_SYSLOG capability,
only CAP_SYS_ADMIN, which was enough pre-2.6.38. In 2.6.38+ however, one
needs CAP_SYSLOG (it was split out from CAP_SYS_ADMIN).

Which pretty much means that any userspace code that was using
CAP_SYS_ADMIN to access /proc/kmsg will have to be updated to use
CAP_SYSLOG (either instead, or in addition to CAP_SYS_ADMIN) in order to
work on new kernels.

I find that quite unfortunate, to be honest, as older applications that
aren't upgraded along with the kernel will simply break.

--
|8]




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