On Tue, May 15, 2007 at 08:03:13AM +0200, Frans Pop wrote: > On Monday 14 May 2007 23:55, Rolf Brudeseth wrote: > > > On Monday 14 May 2007 22:29, Rolf Brudeseth wrote: > > > > - Step 1: > > > > $ cat /proc/device-tree/options/output-device > > > > /vdevice/[EMAIL PROTECTED] > > > > ==> hvsi0 or hvc0 > > > > > > > > $ cat /proc/device-tree/options/output-device > > > > /vdevice/[EMAIL PROTECTED] > > > > ==> hvsi1 > > > > > > Do these pseudo files always exist, or just if a serial console is > > > used? > > > > These three device files should always be present in /dev. It is just a > > matter of specifying the correct one in /etc/inittab, regardless of how > > the console is accessed. > > > > > If they do always exist, what is their value if "the other device" is > > > used, or if a regular console is used? > > > > I am not sure I understand the question so let me try to explain it as > > follows. IBM System p5 servers can be configured in two mutually > > exclusive ways as far as consoles are concerned. > > You misunderstand me. I'm not concerned about the device files in /dev, > but about the files in /proc. > > We are going to be using the presence/content of the files > /proc/device-tree/options/output-device/vdevice/[EMAIL PROTECTED], > /proc/device-tree/options/output-device/vdevice/[EMAIL PROTECTED] and > /proc/device-tree/vdevice/[EMAIL PROTECTED]/compatible to determine which > type > of console is being actually used, right? > > My question is: if hvsi1 is being used, what is the output of > cat /proc/device-tree/options/output-device/vdevice/[EMAIL PROTECTED] > or does that file just not exist in that case?
Frans, forget about those existential questions. /proc/device-tree/chosen is what you want. It will contain a copy of all the relevant information used during booting, provided to you by the underlying firmware. Friendly, Sven Luther -- To UNSUBSCRIBE, email to [EMAIL PROTECTED] with a subject of "unsubscribe". Trouble? Contact [EMAIL PROTECTED]
