Messages in this thread | | | Date | Tue, 20 Oct 1998 17:46:42 +0200 (CET) | From | Junichi Saito <> | Subject | First try : devfs |
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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
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