On Tue, 26 May 2009, Michael S. Tsirkin wrote:
> > They would know. But it's easy enough to find out. (Looks through
> > the SCSI code...) Here we go. scsi_io_completion() contains this:
> >
> > case ILLEGAL_REQUEST:
> > /* If we had an ILLEGAL REQUEST returned, then
> > * we may have performed an unsupported
> > * command. The only thing this should be
> > * would be a ten byte read where only a six
> > * byte read was supported. Also, on a system
> > * where READ CAPACITY failed, we may have
> > * read past the end of the disk.
> > */
> > if ((cmd->device->use_10_for_rw &&
> > sshdr.asc == 0x20 && sshdr.ascq == 0x00) &&
> > (cmd->cmnd[0] == READ_10 ||
> > cmd->cmnd[0] == WRITE_10)) {
> > /* This will issue a new 6-byte command. */
> > cmd->device->use_10_for_rw = 0;
> > action = ACTION_REPREP;
> > } else if (sshdr.asc == 0x10) /* DIX */ {
> > description = "Host Data Integrity Failure";
> > action = ACTION_FAIL;
> > error = -EILSEQ;
> > } else
> > action = ACTION_FAIL;
> > break;
>
> Which kernel version is this? I see different code in 2.6.30-rc7.
I don't. It looks exactly the same as this (this was taken from
2.6.30-rc6). Look starting at line 844 of drivers/scsi/scsi_lib.c.
Alan Stern
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