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Commit Graph

3 Commits

Author SHA1 Message Date
kay.sievers@vrfy.org
707680b1cf [PATCH] remove sleeps from udev as it is external now
Here we remove all the sysfs sleep loops from udev as wait_for_sysfs
will do this for us and any other hotplug user. We still keep a small
blacklist of subsystems we don't care about but any missing entry here
will no longer lead to a spinning udev waiting for files.
2005-04-26 22:02:44 -07:00
kay.sievers@vrfy.org
7e89a569cc [PATCH] prevent deadlocks on an corrupt udev database
Here is the patch, that should prevent all of the known deadlocks with
corrupt tdb databases we discovered.
Thanks to Frank Steiner <fsteiner-mail@bio.ifi.lmu.de>, who tested all this
endlessly with a NFS mounted /dev. The conclusion is, that udev will not work
on filesystems without proper record locking, but we should prevent the
endless loops anyway. This patch implements:

o recovery from a corrupted udev database. udev will continue
  without database support now, instead of doing nothing. So the node should
  be generated in any case, remove will obviously not work for custom names.

o added iteration limits to the tdb-code at the places we discovered endless
  loops. In the case tdb tries to find more than 100.000 entries with the
  same hash, we better give up :)

o prevent a {all_partitions} loop caused by corrupt db data

o log all tdb errors to syslog

o switch sleep() to usleep() cause we want to use alarm()
2005-04-26 21:47:44 -07:00
greg@kroah.com
c850706e84 [PATCH] rename files to have '_' instead of '-' in them.
We should be consistent in our madness...
2005-04-26 21:47:44 -07:00