On Monday 10 May 2004 09:36, Peter wrote: > Hi All, > > Been running MDK 10.0 (CE) for about a week, and beginning to get used > to it. > (Thanks to Derek for his help). > > Still VERY new to Linux, so will be asking questions. > > I have added a 2nd user (dominic), and am having a problem allowing > 'dominic' to use sound. > > It says 'permission denied', do I need to set permissions, or can I do > it from 1st user (where setting up sound etc. is fine). > > Th reason for setting up 2nd user is to allow my son (dominic who is > disabled), to use the PC, with sound, and other input devices (joystick, > tracker ball, Accessible features), seperate from me. > > Please help ( in simple terminology at the moment!) > > Peter
It is not normally required to have to give individual users permission to use sound. Although there are some circumstances where someone may be denied access to sound. One such circumstance is when you use the older OSS sound driver. The OSS drivers only allow one application to use sound at any one time, and the sound system will be locked out to other applications for about 30 seconds after the sound was last used. It may be you are falling foul of this restriction in some way. The solution is to use the newer ALSA sound drivers which allow simultaneous access to the sound system by several applications at once. You can recognise if you have the ALSA drivers if you open Mandrake Control Centre>Hardware>Hardware If the Module for your sound card is listed as snd-xxxxx then you are running the ALSA driver. If you are using the OSS driver you can switch to the alternative ALSA driver by pressing the 'Run Config Tool' button. If you are already using the ALSA driver, the problem could still be related to OSS only supporting one application at a time, because ALSA supports an OSS emulation mode for those older applications that only understand OSS. If you are using the KDE desktop there is a setting in there to have it use ALSA or OSS (emulation) Open KDE Control Centre (Menu>System>Configure>Configure your desktop) Sound>Soundsystem>Hardware There is a selection there to force it to use the ALSA sound system. (You would have to do this for each user) If that does not help let us know which sound drivers you are using and the details of the sound card. derek -- www.jennings.homelinux.net http://twiki.mdklinuxfaq.org
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