Petter Reinholdtsen wrote, on 01/01/09 21:14:
[Arthur Marsh]
After manually observing a reboot, it appears that although module
eata is successfully loaded before filesystems are checked, the
device files for the SCSI disk are created asynchronously, in my
case after the filesystem check script has attempted to check the
filesystems on the SCSI disk.
Right. So you have been hit by the introduction of asynchronous
behaviour of the Linux kernel. I have no good idea how to solve it.
We need to make the early boot system asynchronous too to avoid such
problems. It also affect USB disks and other busses with slow
discovery process. :(
Happy hacking,
I manually added the following script to execute as
/etc/rcS.d/S22sleep-for-scsi
#!/bin/sh
if (lsmod|grep eata); then
echo waiting 5 seconds for module eata to query SCSI bus
sleep 5
fi
The 5 second wait between module-loading and filesystem checking was
sufficient time for the SCSI bus to be queried and device files
/dev/sda? to be created.
As my system is not a candidate for sub-5-second boot anyway, I don't
mind the wait if it means that the filesystems are checked before they
are mounted (-:.
Arthur.
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