Subject: Re: [vserver] Re: Access to shared memory objects?
From: Herbert Poetzl <herbert@13thfloor.at>
Date: Mon, 4 Feb 2008 23:07:36 +0100

On Sat, Feb 02, 2008 at 01:38:03PM +0100, Milan Zamazal wrote:
> >>>>> "MZ" == Milan Zamazal <pdm@zamazal.org> writes:
> 
>     MZ> For instance pulseaudio reports the following on play:
> 
>     MZ>   E: shm.c: shm_open() failed: Read-only file system
> 
> I've found this can be resolved when /dev/input/ is mounted read/write
> on the guest.  In order to make it accessible also to non-root users,
> /dev/input/ must be set world writable on the host (this is not very
> good, but I couldn't find any better way to make it work).
> 
>     MZ> Or mythtv refuses to play TV and reports errors like this:
> 
>     MZ>   VideoOutputXv Error: Failed to allocate X shared memory.
> 
> This error still persists, together with error messages like
> 
>   BadAccess (attempt to access private resource denied)
>   ...
>   X Error: BadShmSeg (invalid shared segment parameter) 170

as usual, what kernel version, what patches, what
util-vserver versions, what is the setup ...

TIA,
Herbert

> Milan Zamazal