G
Guest
Can anybody help me with the following problem?
I am using SPTI's IOCTL_SCSI_PASS_THROUGH call to send MMC "READ
CAPACITY"(25h) command from my XP PC to the FireWire DVD-drive [in fact,
this is just usual internal DVD-writer hosted in the firewire enclosure.
Commercial Audio CD is used as media in the tray - I tried several Audio CDs
with the same result]. So, drive's behaviour to this command is very
strange: driver reports SRB_STATUS_REQUEST_FLUSHED (0x16) SRB status, then ,
in a short time, it reports SRB_STATUS_NO_DEVICE (0x08) status [as reported
by BusHound] and indeed driver is disconnected from the system at this point
and unusable. Device Manager reports that it unable to start this device
(Code 10) . Of course, I am sending the sequence of different commands to
the drive but this "disconnection" always happens on READ CAPACITY. The same
very DVD-drive on the same computer works fine while being connected to IDE
port and "READ CAPACITY" works fine, so it should be FireWire-related
"software" problem of some kind. Windows Media Player 9 works fine at the
very same computer with this firewire drive and issues "READ CAPACITY"
command [among others] without any problems.[ Does WMP uses SPTI, btw?]
Anyway, what could be reason and whould you recommend me to check first? I
am really stuck up to my head in this, so ANY help will be GREATLY
appreciated!
Many thanks!
Igor.
P.S.
if you want to contact me by e-mail, replace "no-spam" part in the e-mail
address from this message with the following literal "iholodov"
I am using SPTI's IOCTL_SCSI_PASS_THROUGH call to send MMC "READ
CAPACITY"(25h) command from my XP PC to the FireWire DVD-drive [in fact,
this is just usual internal DVD-writer hosted in the firewire enclosure.
Commercial Audio CD is used as media in the tray - I tried several Audio CDs
with the same result]. So, drive's behaviour to this command is very
strange: driver reports SRB_STATUS_REQUEST_FLUSHED (0x16) SRB status, then ,
in a short time, it reports SRB_STATUS_NO_DEVICE (0x08) status [as reported
by BusHound] and indeed driver is disconnected from the system at this point
and unusable. Device Manager reports that it unable to start this device
(Code 10) . Of course, I am sending the sequence of different commands to
the drive but this "disconnection" always happens on READ CAPACITY. The same
very DVD-drive on the same computer works fine while being connected to IDE
port and "READ CAPACITY" works fine, so it should be FireWire-related
"software" problem of some kind. Windows Media Player 9 works fine at the
very same computer with this firewire drive and issues "READ CAPACITY"
command [among others] without any problems.[ Does WMP uses SPTI, btw?]
Anyway, what could be reason and whould you recommend me to check first? I
am really stuck up to my head in this, so ANY help will be GREATLY
appreciated!
Many thanks!
Igor.
P.S.
if you want to contact me by e-mail, replace "no-spam" part in the e-mail
address from this message with the following literal "iholodov"