Re: hwscan hangs on USB2 disk - SCSI_IOCTL_SEND_COMMAND

[Steffen Winterfeldt]

Hi,

On Tue, 29 Jun 2004, Kurt Garloff wrote:

> On Tue, Jun 29, 2004 at 11:37:36AM +0200, Bart Hartgers wrote:
> > The problem is that both hwscan and usb-storage get stuck in the 'D"
> > state until I unplug the harddisk.
> > 
> > A strace of hwscan shows:
> > 
> > 21141 open("/dev/sda", O_RDONLY|O_NONBLOCK) = 3
> > 21141 ioctl(3, 0x301, 0xbfffeba0)       = 0
> > 21141 ioctl(3, BLKSSZGET, 0xbfffeb9c)   = 0
> > 21141 ioctl(3, 0x80041272, 0xbfffeb90)  = 0
> > 21141 ioctl(3, FIBMAP, 0xbfffec40)      = 0  <--- hwscan gets stuck here

[...]

> Does it work if you send the INQUIRY with 36 bytes allocation length?
> scsi_cmd_buf[8 + 4] = 0x26;

It's indeed the inquiry size, sticking to the minium 36 bytes helps. 
That's fixed in sles9. Update for 9.1 planned.


Steffen
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