On Sat, 6 Jan 2007, Vaclav Barta wrote:
> On Thursday 04 January 2007 22:08, Alan Stern wrote:
> > On Wed, 3 Jan 2007, Vaclav Barta wrote:
> > All right. Here's a list of plscsi commands that are exactly equivalent
> OK. Using both your patches, I've renamed sd_mod.ko, inserted the stick and
> ran modprobe sg . Then, the plscsi commands work as follows:
>
> [EMAIL PROTECTED] plscsi # ./plscsi -x '12 0 0 0 24 0' -i 36 /dev/sg0
> [EMAIL PROTECTED] plscsi # ./plscsi -x '23 0 0 0 0 0 0 0 fc 0' -i 252 /dev/sg0
> // sgioSay.ioctl: Operation not permitted
> // sgioSay x FFFFFFFF 0 0 0 (ioctl sihInfo sihResid sihSbLenWr)
> // -x0001 = -1 = plscsi.main exit int
> [EMAIL PROTECTED] plscsi # ./plscsi -x '23 0 0 0 0 0 0 0 fc 0' -i 252 /dev/sg0
> // sgioSay.ioctl: Operation not permitted
> // sgioSay x FFFFFFFF 0 0 0 (ioctl sihInfo sihResid sihSbLenWr)
> // -x0001 = -1 = plscsi.main exit int
> [EMAIL PROTECTED] plscsi # ./plscsi -x '12 0 0 0 24 0' -i 36 /dev/sg1
> [EMAIL PROTECTED] plscsi # ./plscsi -x '23 0 0 0 0 0 0 0 fc 0' -i 252 /dev/sg1
> // sgioSay.ioctl: Operation not permitted
> // sgioSay x FFFFFFFF 0 0 0 (ioctl sihInfo sihResid sihSbLenWr)
> // -x0001 = -1 = plscsi.main exit int
> [EMAIL PROTECTED] plscsi # ./plscsi -x '23 0 0 0 0 0 0 0 fc 0' -i 252 /dev/sg1
> // sgioSay.ioctl: Operation not permitted
> // sgioSay x FFFFFFFF 0 0 0 (ioctl sihInfo sihResid sihSbLenWr)
> // -x0001 = -1 = plscsi.main exit int
Unfortunately Linux's SCSI ioctl permissions don't allow this command to
be sent.
> [EMAIL PROTECTED] plscsi # ./plscsi -x '25 0 0 0 0 0 0 0 0 0' -i 8 /dev/sg0
> // x 6 28 sense // 8 residue
> // -x0102 = -258 = plscsi.main exit int
> [EMAIL PROTECTED] plscsi # ./plscsi -x '28 0 0 0 0 0 0 0 1 0' -i 512 /dev/sg0
> // x 3 11 sense // x200 (512) residue
> // -x0102 = -258 = plscsi.main exit int
> [EMAIL PROTECTED] plscsi # ./plscsi -x '1a 0 1c 0 c0 0' -i 192 /dev/sg0
> // 188 = xBC = plscsi.main exit int
> [EMAIL PROTECTED] plscsi # ./plscsi -x '1a 0 3f 0 c0 0' -i 192 /dev/sg0
> // 156 = x9C = plscsi.main exit int
> [EMAIL PROTECTED] plscsi # ./plscsi -x '25 0 0 0 0 0 0 0 0 0' -i 8 /dev/sg0
> [EMAIL PROTECTED] plscsi # ./plscsi -x '25 0 0 0 0 0 0 0 0 0' -i 8 /dev/sg0
> [EMAIL PROTECTED] plscsi # ./plscsi -x '28 0 0 0 0 0 0 0 1 0' -i 512 /dev/sg0
> // x 3 11 sense // x200 (512) residue
> // -x0102 = -258 = plscsi.main exit int
> [EMAIL PROTECTED] plscsi # ./plscsi -x '28 0 0 0 0 0 0 0 1 0' -i 512 /dev/sg0
> // x 3 11 sense // x200 (512) residue
> // -x0102 = -258 = plscsi.main exit int
> [EMAIL PROTECTED] plscsi # ./plscsi -x '25 0 0 0 0 0 0 0 0 0' -i 8 /dev/sg0
> [EMAIL PROTECTED] plscsi # ./plscsi -x '25 0 0 0 0 0 0 0 0 0' -i 8 /dev/sg0
> [EMAIL PROTECTED] plscsi # ./plscsi -x '28 0 0 0 0 0 0 0 1 0' -i 512 /dev/sg0
> // x 3 11 sense // x200 (512) residue
> // -x0102 = -258 = plscsi.main exit int
> [EMAIL PROTECTED] plscsi # ./plscsi -x '25 0 0 0 0 0 0 0 0 0' -i 8 /dev/sg1
> // x 6 28 sense // 8 residue
> // -x0102 = -258 = plscsi.main exit int
> [EMAIL PROTECTED] plscsi # ./plscsi -x '28 0 0 0 0 0 0 0 1 0' -i 512 /dev/sg1
> [EMAIL PROTECTED] plscsi # ./plscsi -x '1a 0 1c 0 c0 0' -i 192 /dev/sg1
> // 188 = xBC = plscsi.main exit int
> [EMAIL PROTECTED] plscsi # ./plscsi -x '1a 0 3f 0 c0 0' -i 192 /dev/sg1
> // 156 = x9C = plscsi.main exit int
> [EMAIL PROTECTED] plscsi # ./plscsi -x '25 0 0 0 0 0 0 0 0 0' -i 8 /dev/sg1
> [EMAIL PROTECTED] plscsi # ./plscsi -x '25 0 0 0 0 0 0 0 0 0' -i 8 /dev/sg1
> [EMAIL PROTECTED] plscsi # ./plscsi -x '28 0 0 0 0 0 0 0 1 0' -i 512 /dev/sg1
> [EMAIL PROTECTED] plscsi # ./plscsi -x '28 0 0 0 0 0 0 0 1 0' -i 512 /dev/sg1
> [EMAIL PROTECTED] plscsi # ./plscsi -x '25 0 0 0 0 0 0 0 0 0' -i 8 /dev/sg1
> [EMAIL PROTECTED] plscsi # ./plscsi -x '25 0 0 0 0 0 0 0 0 0' -i 8 /dev/sg1
> [EMAIL PROTECTED] plscsi # ./plscsi -x '28 0 0 0 0 0 0 0 1 0' -i 512 /dev/sg0
>
> > Etc. You may have noticed that Windows repeats itself a lot. I have no
> > idea why it does.
> Looks like the command succeeds when it's repeated persistently enough...
Or maybe it wants to see some of those commands for /dev/sg1 before it
will let /dev/sg0 work. Try doing something just as simple as this:
./plscsi -x '0 0 0 0 0 0' /dev/sg0
./plscsi -x '0 0 0 0 0 0' /dev/sg0
./plscsi -x '0 0 0 0 0 0' /dev/sg1
./plscsi -x '0 0 0 0 0 0' /dev/sg1
./plscsi -x '28 0 0 0 0 0 0 0 1 0' -i 512 /dev/sg0
Alan Stern
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