Kilian CAVALOTTI wrote: > On Monday 21 November 2005 05:53, you wrote: > >>I don't think slave_configure is the right place to be modifying >>a scsi_host attribute. How about this patch instead? Only compile >>tested. > > > Patch applied on 2.6.15-rc2, and gives no better result: > > # sg_readcap -16 -vv /dev/sdb > read capacity (16) cdb: 9e 10 00 00 00 00 00 00 00 00 00 00 00 20 00 00 > READ CAPACITY 16 command error: Host_status=0x0b [DID_SOFT_ERROR] > > dmesg output: > -------------------------------------------------------------------------- > ACPI: PCI Interrupt 0000:05:04.0[A] -> GSI 106 (level, low) -> IRQ 25 > scsi3 : Adaptec AIC7XXX EISA/VLB/PCI SCSI HBA DRIVER, Rev 7.0 > <Adaptec 3960D Ultra160 SCSI adapter> > aic7899: Ultra160 Wide Channel A, SCSI Id=7, 32/253 SCBs > > Vendor: IFT Model: A16U-G1410 Rev: 342J > Type: Direct-Access ANSI SCSI revision: 05 > scsi3:A:4:0: Tagged Queuing enabled. Depth 32 > target3:0:4: Beginning Domain Validation > target3:0:4: wide asynchronous. > target3:0:4: FAST-80 WIDE SCSI 160.0 MB/s DT (12.5 ns, offset 127) > target3:0:4: Ending Domain Validation > sdc : very big device. try to use READ CAPACITY(16). > (scsi3:A:4:0): No or incomplete CDB sent to device. > (scsi3:A:4:0): Protocol violation in Message-in phase. Attempting to abort. > (scsi3:A:4:0): Abort Tag Message Sent > (scsi3:A:4:0): SCB 3 - Abort Tag Completed. > (scsi3:A:4:0): No or incomplete CDB sent to device. > (scsi3:A:4:0): Protocol violation in Message-in phase. Attempting to abort. > (scsi3:A:4:0): Abort Tag Message Sent > (scsi3:A:4:0): SCB 2 - Abort Tag Completed. > (scsi3:A:4:0): No or incomplete CDB sent to device. > (scsi3:A:4:0): Protocol violation in Message-in phase. Attempting to abort. > (scsi3:A:4:0): Abort Tag Message Sent > (scsi3:A:4:0): SCB 3 - Abort Tag Completed. > (scsi3:A:4:0): No or incomplete CDB sent to device. > (scsi3:A:4:0): Protocol violation in Message-in phase. Attempting to abort. > (scsi3:A:4:0): Abort Tag Message Sent > (scsi3:A:4:0): SCB 2 - Abort Tag Completed. > (scsi3:A:4:0): No or incomplete CDB sent to device. > (scsi3:A:4:0): Protocol violation in Message-in phase. Attempting to abort. > (scsi3:A:4:0): Abort Tag Message Sent > (scsi3:A:4:0): SCB 3 - Abort Tag Completed. > (scsi3:A:4:0): No or incomplete CDB sent to device. > (scsi3:A:4:0): Protocol violation in Message-in phase. Attempting to abort. > (scsi3:A:4:0): Abort Tag Message Sent > (scsi3:A:4:0): SCB 2 - Abort Tag Completed. > (scsi3:A:4:0): No or incomplete CDB sent to device. > (scsi3:A:4:0): Protocol violation in Message-in phase. Attempting to abort. > (scsi3:A:4:0): Abort Tag Message Sent > (scsi3:A:4:0): SCB 3 - Abort Tag Completed. > (scsi3:A:4:0): No or incomplete CDB sent to device. > (scsi3:A:4:0): Protocol violation in Message-in phase. Attempting to abort. > (scsi3:A:4:0): Abort Tag Message Sent > (scsi3:A:4:0): SCB 2 - Abort Tag Completed. > (scsi3:A:4:0): No or incomplete CDB sent to device. > (scsi3:A:4:0): Protocol violation in Message-in phase. Attempting to abort. > (scsi3:A:4:0): Abort Tag Message Sent > (scsi3:A:4:0): SCB 3 - Abort Tag Completed. > sdc : READ CAPACITY(16) failed. > sdc : status=0, message=00, host=7, driver=00 > sdc : use 0xffffffff as device size > SCSI device sdc: 4294967296 512-byte hdwr sectors (2199023 MB) > SCSI device sdc: drive cache: write back > sdc : very big device. try to use READ CAPACITY(16). > (scsi3:A:4:0): No or incomplete CDB sent to device. > (scsi3:A:4:0): Protocol violation in Message-in phase. Attempting to abort. > (scsi3:A:4:0): Abort Tag Message Sent > (scsi3:A:4:0): SCB 2 - Abort Tag Completed. > (scsi3:A:4:0): No or incomplete CDB sent to device. > (scsi3:A:4:0): Protocol violation in Message-in phase. Attempting to abort. > (scsi3:A:4:0): Abort Tag Message Sent > (scsi3:A:4:0): SCB 3 - Abort Tag Completed. > (scsi3:A:4:0): No or incomplete CDB sent to device. > (scsi3:A:4:0): Protocol violation in Message-in phase. Attempting to abort. > (scsi3:A:4:0): Abort Tag Message Sent > (scsi3:A:4:0): SCB 2 - Abort Tag Completed. > (scsi3:A:4:0): No or incomplete CDB sent to device. > (scsi3:A:4:0): Protocol violation in Message-in phase. Attempting to abort. > (scsi3:A:4:0): Abort Tag Message Sent > (scsi3:A:4:0): SCB 3 - Abort Tag Completed. > (scsi3:A:4:0): No or incomplete CDB sent to device. > (scsi3:A:4:0): Protocol violation in Message-in phase. Attempting to abort. > (scsi3:A:4:0): Abort Tag Message Sent > (scsi3:A:4:0): SCB 2 - Abort Tag Completed. > (scsi3:A:4:0): No or incomplete CDB sent to device. > (scsi3:A:4:0): Protocol violation in Message-in phase. Attempting to abort. > (scsi3:A:4:0): Abort Tag Message Sent > (scsi3:A:4:0): SCB 3 - Abort Tag Completed. > (scsi3:A:4:0): No or incomplete CDB sent to device. > (scsi3:A:4:0): Protocol violation in Message-in phase. Attempting to abort. > (scsi3:A:4:0): Abort Tag Message Sent > (scsi3:A:4:0): SCB 2 - Abort Tag Completed. > (scsi3:A:4:0): No or incomplete CDB sent to device. > (scsi3:A:4:0): Protocol violation in Message-in phase. Attempting to abort. > (scsi3:A:4:0): Abort Tag Message Sent > (scsi3:A:4:0): SCB 3 - Abort Tag Completed. > (scsi3:A:4:0): No or incomplete CDB sent to device. > (scsi3:A:4:0): Protocol violation in Message-in phase. Attempting to abort. > (scsi3:A:4:0): Abort Tag Message Sent > (scsi3:A:4:0): SCB 2 - Abort Tag Completed. > sdc : READ CAPACITY(16) failed. > sdc : status=0, message=00, host=7, driver=00 > sdc : use 0xffffffff as device size > SCSI device sdc: 4294967296 512-byte hdwr sectors (2199023 MB) > SCSI device sdc: drive cache: write back > sdc: sdc1 > sd 3:0:4:0: Attached scsi disk sdc > sd 3:0:4:0: Attached scsi generic sg3 type 0 > -------------------------------------------------------------------------- > > Does this mean the HBA has an hardware limit? Quite possibly. Looking at ahc_linux_run_command in aic7xxx_osm.c it appears that commands with a cdb length of > 12 are sent to the adapter in a different way. Perhaps this method does not work on the card you have. -- Brian King eServer Storage I/O IBM Linux Technology Center - : 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