Date: Mon, 26 Mar 2007 02:40:45 -0400 From: Kris Kennaway <kris@obsecurity.org> To: Mikhail Teterin <mi+kde@aldan.algebra.com> Cc: robert+freebsd.inbox@cyrus.watson.org, kaeru@pd.jaring.my, FreeBSD-Questions@FreeBSD.org Subject: Re: jail vs. nice Message-ID: <20070326064045.GA10259@xor.obsecurity.org> In-Reply-To: <200703260128.52164@aldan> References: <200703260128.52164@aldan>
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On Mon, Mar 26, 2007 at 01:28:51AM -0400, Mikhail Teterin wrote:
> Hello!
>
> A program (a TclX' self-test script) works fine in a normal environment, but
> fails to renice itself, when running in jail (as root):
>
> ==== nice-1.8 nice tests FAILED
> ==== Contents of test case:
>
> list [nice -1] [nice]
>
> ---- Test generated error; Return code was: 1
> ---- Return code should have been one of: 0 2
> ---- errorInfo: failed to increment priority: permission denied
> while executing
> "nice -1"
> invoked from within
> "list [nice -1] [nice]"
> ("uplevel" body line 2)
> invoked from within
> "uplevel 1 $script"
>
> This is new -- just a few months ago the same script was working fine, but it
> is failing now in both 7.0 and 6.2.
And 5.x. Or it could just be a changed behaviour of the 7.0 kernel,
which is common to all builds.
Kris
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