"Permission denied" on /dev/sga under linux?

eric (eric@tarsier.colo.erols.net)
Sun, 14 Sep 1997 17:41:15 -0400

I recently rebuilt my kernel and found that I can't access the scsi-generic
device for the HP4C scanner. The scanner probes properly, but even as root
any access to the /dev/sga device gives "Permission denied" and thus
xscanimage can't open it, even as root. Without the scanner installed at all,
trying to access the device gives "Device not configured" - so it's not that
it isn't probing and attaching correctly.

If it matters, this is a laptop using the aha152x_cs driver with an iomega
pcmcia scsi interface. It all used to work perfectly, and I've been unable
to figure out what changed between then and now. :(

Does anyone know if there is some circumstance under which the linux
scsi-generic driver will give "permission denied" even to root?

eric

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