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On Tuesday 03 September 2002 02:37, Martin Schlemmer wrote: |
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> > [snipped] |
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> > The original line in devfsd.conf (that you report above) doesn't work |
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> > if sg is compiled as module. You need to set the permissions on the |
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> > scsi/bus/.../generic and not on the symbolic links /dev/sg*. I *think* |
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> > it's because /dev/sg* doesn't exist (yet) when devfsd tries to apply |
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> > the permissions, but I may be wrong. |
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> |
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> No, the REGISTER means it only gets done when the /dev/sg0 device is |
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> registered in the devfs namespace. |
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> |
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> The real fix for modules, is the line: |
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> |
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> LOOKUP ^sg.*$ MODLOAD ACTION sg |
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> |
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> which cause the "sg" module to be loaded when you "lookup" (try to |
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> open) /dev/sg* |
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|
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I really don't think so (everything's wrapped): |
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|
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Default Gentoo style: |
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|
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------------------devfsd.conf----------------------------------------------- |
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|
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# Give the cdrw group write permissions to /dev/sg0 |
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# This is done to have non root user use the burner (scan the scsi bus) |
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LOOKUP ^sg.*$ MODLOAD ACTION sg |
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#REGISTER ^scsi/host.*/bus.*/target.*/lun.*/generic PERMISSIONS |
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root.disk 660 |
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REGISTER ^sg.*$ PERMISSIONS root.disk 660 |
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|
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--------------devfsd.conf--------------------------------------------------- |
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|
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bauniga root # modprobe sg |
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bauniga root # ll /dev/scsi/host0/bus0/target0/lun0/generic |
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crw-r----- 1 root root 21, 0 Jan 1 1970 |
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/dev/scsi/host0/bus0/target0/lun0/generic |
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bauniga root # killall -HUP devfsd |
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bauniga root # ll /dev/scsi/host0/bus0/target0/lun0/generic |
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crw-rw---- 1 root disk 21, 0 Jan 1 1970 |
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/dev/scsi/host0/bus0/target0/lun0/generic |
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|
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|
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|
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|
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Bauno :) style: |
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|
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----------------------------devfsd.conf------------------------------------ |
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# Give the cdrw group write permissions to /dev/sg0 |
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# This is done to have non root user use the burner (scan the scsi bus) |
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LOOKUP ^sg.*$ MODLOAD ACTION sg |
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REGISTER ^scsi/host.*/bus.*/target.*/lun.*/generic PERMISSIONS |
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root.disk 660 |
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#REGISTER ^sg.*$ PERMISSIONS root.disk 660 |
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--------------devfsd.conf--------------------------------------------------- |
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|
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bauniga root # modprobe sg |
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bauniga root # ll /dev/scsi/host0/bus0/target0/lun0/generic |
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crw-rw---- 1 root disk 21, 0 Jan 1 1970 |
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/dev/scsi/host0/bus0/target0/lun0/generic |
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|
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|
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So, I think the Gentoo default devfsd.conf isn't well suited for the sg |
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module.... |
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|
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-- |
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Bauno - Eurydices, oro, properata retexite fata! |
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"Even now I can feel it. Buried somewhere deep inside. Watching me... |
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waiting. But you know what scares me the most. When I can't fight it |
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anymore. When it takes over. When I totally lose control. I like it." |
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