Frequently Asked Questions

Posted in OpenBSD, OpenBSD main - 1 June 2010 - No comment

  1. Error: specified device does not match mounted device
    Installing OpenBSD on a SPARC Classic went fine but while booting it wouldn’t change the root partition to read-write mode, because “specified device does not match mounted device” (mount shows it as “root_device”, not something like /dev/sd0a)

    Solution: Both boot-device and nvramrc variables in the PROM of the machine could be set to Linux (or an other OS) specific settings. After you clean and/or reconfigure the PROM settings, the system will boot correctly. Probably (-:
    How to clean-up? Type “STOP-A” on your keyboard and enter the “new command mode” of the SUN boot PROM. Type “set-defaults”. That will set everything at default. Type “printenv” to review the current settings.

  2. Error: strange pciide timeouts
    If this kernel message shows up on the console and in the log files
    May 29 16:04:25 server /bsd: pciide0:1:0: device timeout, c_bcount=0, c_skip=0
    you will certainly not like it. But there is hope!

    Solution: If you have a CDROM connected to the same IDE ribbon cable as the harddisk, chances are that’s causing the trouble. Try if removing the CDROM off the IDE cable works. If there is a CDROM, but not on the same cable as a harddisk, try to disconnect the CDROM device completely of the IDE subsystem. In other words, pull the cable out of the CDROM.

  3. More to come.. if you just ask me (-:

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