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<title>sane-devel: "Permission denied" on /dev/sga under linux?</title>
<h1>"Permission denied" on /dev/sga under linux?</h1>
<b>eric</b> (<a href="mailto:eric@tarsier.colo.erols.net"><i>eric@tarsier.colo.erols.net</i></a>)<br>
<i>Sun, 14 Sep 1997 17:41:15 -0400</i>
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I recently rebuilt my kernel and found that I can't access the scsi-generic<br>
device for the HP4C scanner. The scanner probes properly, but even as root<br>
any access to the /dev/sga device gives "Permission denied" and thus <br>
xscanimage can't open it, even as root. Without the scanner installed at all,<br>
trying to access the device gives "Device not configured" - so it's not that<br>
it isn't probing and attaching correctly. <br>
<p>
If it matters, this is a laptop using the aha152x_cs driver with an iomega<br>
pcmcia scsi interface. It all used to work perfectly, and I've been unable<br>
to figure out what changed between then and now. :( <br>
<p>
Does anyone know if there is some circumstance under which the linux <br>
scsi-generic driver will give "permission denied" even to root? <br>
<p>
eric<br>
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