Debian Bug report logs - #440401
wodim: Operation not permitted. Warning: Cannot raise RLIMIT_MEMLOCK limits.

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Message #5 received at submit@bugs.debian.org (full text, mbox, reply):

From: Srdjan <srdjan@paradise.net.nz>

To: Debian Bug Tracking System <submit@bugs.debian.org>

Subject: wodim: Operation not permitted. Warning: Cannot raise RLIMIT_MEMLOCK limits.

Date: Sat, 01 Sep 2007 19:59:53 +1200

Package: wodim
Version: 9:1.1.6-1
Severity: minor

As a user I get:
wodim: Operation not permitted. Warning: Cannot raise RLIMIT_MEMLOCK
limits.Device was not specified. Trying to find an appropriate drive...

As root no problems.

It does seem to work regardless.

Srdjan
-- System Information:
Debian Release: lenny/sid
  APT prefers unstable
  APT policy: (500, 'unstable'), (500, 'stable'), (99, 'experimental')
Architecture: i386 (i686)

Kernel: Linux 2.6.22-1-686 (SMP w/1 CPU core)
Locale: LANG=en_NZ.UTF-8, LC_CTYPE=en_NZ.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/bash

Versions of packages wodim depends on:
ii  libc6                         2.6.1-1+b1 GNU C Library: Shared libraries
ii  libcap1                       1:1.10-14  support for getting/setting POSIX.

Versions of packages wodim recommends:
ii  genisoimage                   9:1.1.6-1  Creates ISO-9660 CD-ROM filesystem

-- no debconf information

Message #10 received at 440401@bugs.debian.org (full text, mbox, reply):

From: Peter Samuelson <peter@p12n.org>

To: Srdjan <srdjan@paradise.net.nz>, 440401@bugs.debian.org

Subject: Re: Bug#440401: wodim: Operation not permitted. Warning: Cannot raise RLIMIT_MEMLOCK limits.

Date: Sat, 1 Sep 2007 12:59:22 -0500

[Message part 1 (text/plain, inline)]

[Srdjan]
> As a user I get:
> wodim: Operation not permitted. Warning: Cannot raise RLIMIT_MEMLOCK
> limits.

That is just a warning.  wodim wants to be able to ask the OS to
prevent some memory from being swapped out, as swapping causes delays
that could produce bad CD burns.  If a non-root user is not permitted
to change this setting, wodim warns you.  But the only effect is an
increased risk of a bad burn (a "coaster").  The program will otherwise
function normally.

On my system, 'ulimit -a | grep locked' shows that this setting is
already on 'unlimited' for my user.  Maybe you have restricted this in
/etc/security/limits.conf?
-- 
Peter Samuelson | org-tld!p12n!peter | http://p12n.org/

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Message #15 received at 440401@bugs.debian.org (full text, mbox, reply):

From: Srdjan <srdjan@paradise.net.nz>

To: Peter Samuelson <peter@p12n.org>

Cc: 440401@bugs.debian.org

Subject: Re: Bug#440401: wodim: Operation not permitted. Warning: Cannot raise RLIMIT_MEMLOCK limits.

Date: Sun, 02 Sep 2007 14:54:49 +1200

Hi Peter,

Thanks for the reply.

Peter Samuelson wrote:
> On my system, 'ulimit -a | grep locked' shows that this setting is
> already on 'unlimited' for my user.  Maybe you have restricted this in
> /etc/security/limits.conf?
>   
The limit is set to 32k, but I did not set that limit myself.  My 
/etc/security/limits.conf is untouched, and I could not find any other 
place where it is set.

Cheers,
Srdjan

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