List Archive: gentoo-user
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Am Donnerstag, 2. März 2006 19:44 schrieb ext Wes Gray:
> I've been researching getting my camera to work and I have a few
> questions. I'm running udev and kernel 22.214.171.124.
What kind of camera is this? Some can be used via USB mass storage support,
other's can only be accessed via gphoto2.
> 1) For USB mass storage to work do I still need SCSI emulation or does
> udev remove that requirement?
USB mass storage devices are treated just like SCSI devices, no emulation
> 2) If so do I still need to pass the kernel parameter hdc=ide-scsi?
This is unrelated to USB mass storage. It's SCSI emulation for IDE devices
(mostly CD writers).
> 3) Should SCSI emulation be automatic with udev, or might I need to write
> a rule for it?
Udev has nothing to to with SCSI emulation. SCSI emulation happens in the
kernel, udev runs in userland. However, if you _want_ your SCSI device to
have a different name than sda1 for example, you have to write a udev rule.
> 4) If SCSI emulation is working will I alway see a line in dmesg about a
> new SCSI device? Most howto's seem to suggest this but I want to
> be sure.
Yes. Again unrelated to SCSI emulation. The SCSI subsystem will print out a
line for each new SCSI device, emulated or real.
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