Re: First try : devfs

Shawn Leas (sleas@ixion.honeywell.com)
Tue, 20 Oct 1998 15:33:07 -0500 (CDT)


On Tue, 20 Oct 1998, Junichi Saito wrote:

>
> I tried for the first time devfs, by applying devfs-patch-v70 to the
> kernel 2.1.125 and encountered some problems. I chose the most
> conservative method, ie, only enabled CONFIG_DEVFS_FS ( and
> CONFIG_DEVFS_TTY_COMPAT afterwards ), devfs not mounted on /dev, sevral
> old style device files (tty*, pty*, xconsole) left in /dev.
>
> Will be greatly appreciated any suggestions/answers to the following
> problems/questions. Thank you.
>
> 1° Running certain applications (X, open) causes an oops. Somebody already
> reported the same problem related to the function init_dev in tty_io.c.
>
> 2° A start-up script initialising serial ports gets a message saying
> '/dev/ttySx: Operation not supported by device'.
>
> 3° When I reboot or shut down, I see now the message :
>
> swapoff: /dev/xxx: Invalid argument
>
> although at boot, the partition seems to be normally recognized.
>
> Shouldn't they (2°, 3°) work as before ?
>
> 4° How do I have to operate with block devices ? The partitions mounted at
> boot appear as /devfs/hdax ( I have one IDE hd installed.). I can at
> least unmount one of them, using /devfs/hdax. As to removable mdedia
> such as cdroms, ide floppy disks for which I compiled drivers as module,
> I seem to have to use those new long names. Or are there more smart ways ?
>
>
> junichi

Attatch the relevant lines of your .config, because I have
had NO problems ith recent versions of devfs.

-Shawn
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