Found the problem. Sending a patch to linux-scsi under a [PATCH] subject line. - Doug On Fri, 2007-05-04 at 17:58 -0500, James Bottomley wrote: > On Fri, 2007-05-04 at 17:56 -0400, Doug Chapman wrote: > > I am applying/removing _only_ your patch and the problem goes away with > > just removing it. > > What id and channel is this DVD drive on? There is a potential bug in > the move: > > -mptscsih_writeIOCPage4(MPT_SCSI_HOST *hd, int channel, int id) > +mptspi_writeIOCPage4(MPT_SCSI_HOST *hd, u8 channel , u8 id) > > Note int became u8, but later we have: > > > pReq->PageAddress = cpu_to_le32(id | (channel << 8 )); > > channel << 8 is always zero as a u8 entity (unless something promotes > the arithmetic beyond u8). So if the DVD is on a non-zero channel, we > might have our cause. > > James > > - To unsubscribe from this list: send the line "unsubscribe linux-scsi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
