On Wed, 2011-12-07 at 02:15 +0100, acrux_it@xxxxxxxxx wrote: > New pata_sl82c105 is unable to properly handle dma (indeed it try to use > mwdma2). > Old ide driver instead worked fine. > > Tested on IBM 9114-275 where to use it i must boot with dma disabled i.e. with > libata.dma=0 Adding the linux-ide list on CC. Can you also send a dmesg with the old IDE driver ? It might be useful to compare the values programmed by the 2 versions of the driver in the timing registers. Cheers, Ben. > [...] > pata_sl82c105 0000:00:03.1: enabling device (0144 -> 0145) > scsi1 : pata_sl82c105 > scsi2 : pata_sl82c105 > ata1: PATA max MWDMA2 cmd 0x1f000 ctl 0x1f010 bmdma 0x1f040 irq 165 > ata2: PATA max MWDMA2 cmd 0x1f020 ctl 0x1f030 bmdma 0x1f048 irq 165 > ata1.00: ATAPI: IBM DROM00205, NR38, max UDMA/33 > ata1.00: configured for MWDMA2 > [...] > scsi 1:0:0:0: CD-ROM IBM DROM00205 NR38 PQ: 0 ANSI: 2 > sr0: scsi3-mmc drive: 24x/24x cd/rw xa/form2 cdda tray > cdrom: Uniform CD-ROM driver Revision: 3.20 > sr 1:0:0:0: Attached scsi generic sg3 type 5 > [...] > ata1: lost interrupt (Status 0x50) > ata1.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x6 frozen > sr 1:0:0:0: CDB: Get configuration: 46 00 00 00 00 00 00 00 20 00 > ata1.00: cmd a0/01:00:00:20:00/00:00:00:00:00/a0 tag 0 dma 16416 in > res 40/00:02:00:0c:00/00:00:00:00:00/a0 Emask 0x4 (timeout) > ata1.00: status: { DRDY } > ata1: soft resetting link > ata1.00: configured for MWDMA2 > ata1: EH complete > sr0: CDROM (ioctl) error, command: Get configuration 46 00 00 00 00 00 00 00 > 20 00 > sr: Sense Key : Aborted Command [current] [descriptor] > sr: Add. Sense: No additional sense information > ata1: lost interrupt (Status 0x50) > ata1.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x6 frozen > sr 1:0:0:0: CDB: Xdread, Read track info: 52 01 00 00 00 01 00 00 20 00 > ata1.00: cmd a0/01:00:00:20:00/00:00:00:00:00/a0 tag 0 dma 16416 in > res 40/00:02:00:08:00/00:00:00:00:00/a0 Emask 0x4 (timeout) > ata1.00: status: { DRDY } > ata1: soft resetting link > ata1.00: configured for MWDMA2 > ata1: EH complete > sr0: CDROM (ioctl) error, command: Xdread, Read track info 52 01 00 00 00 01 > 00 000 > sr: Sense Key : Aborted Command [current] [descriptor] > sr: Add. Sense: No additional sense information > ata1: lost interrupt (Status 0x50) > ata1.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x6 frozen > sr 1:0:0:0: CDB: Get configuration: 46 00 00 00 00 00 00 00 20 00 > ata1.00: cmd a0/01:00:00:20:00/00:00:00:00:00/a0 tag 0 dma 16416 in > res 40/00:02:00:0c:00/00:00:00:00:00/a0 Emask 0x4 (timeout) > ata1.00: status: { DRDY } > ata1: soft resetting link > ata1.00: configured for MWDMA2 > ata1: EH complete > sr0: CDROM (ioctl) error, command: Get configuration 46 00 00 00 00 00 00 00 > 20 00 > sr: Sense Key : Aborted Command [current] [descriptor] > sr: Add. Sense: No additional sense information > ata1: lost interrupt (Status 0x50) > ata1.00: limiting speed to MWDMA1:PIO4 > ata1.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x6 frozen > sr 1:0:0:0: CDB: Get configuration: 46 00 00 00 00 00 00 00 20 00 > ata1.00: cmd a0/01:00:00:20:00/00:00:00:00:00/a0 tag 0 dma 16416 in > res 40/00:02:00:0c:00/00:00:00:00:00/a0 Emask 0x4 (timeout) > ata1.00: status: { DRDY } > ata1: soft resetting link > ata1.00: configured for MWDMA1 > ata1: EH complete > sr0: CDROM (ioctl) error, command: Get configuration 46 00 00 00 00 00 00 00 > 20 00 > sr: Sense Key : Aborted Command [current] [descriptor] > sr: Add. Sense: No additional sense information > ata1: lost interrupt (Status 0x50) > ata1.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x6 frozen > sr 1:0:0:0: CDB: Get configuration: 46 00 00 00 00 00 00 00 20 00 > ata1.00: cmd a0/01:00:00:20:00/00:00:00:00:00/a0 tag 0 dma 16416 in > res 40/00:02:00:0c:00/00:00:00:00:00/a0 Emask 0x4 (timeout) > ata1.00: status: { DRDY } > ata1: soft resetting link > ata1.00: configured for MWDMA1 > ata1: EH complete > sr0: CDROM (ioctl) error, command: Get configuration 46 00 00 00 00 00 00 00 > 20 00 > sr: Sense Key : Aborted Command [current] [descriptor] > sr: Add. Sense: No additional sense information > ata1: lost interrupt (Status 0x50) > ata1.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x6 frozen > sr 1:0:0:0: CDB: Get configuration: 46 00 00 00 00 00 00 00 20 00 > ata1.00: cmd a0/01:00:00:20:00/00:00:00:00:00/a0 tag 0 dma 16416 in > res 40/00:02:00:0c:00/00:00:00:00:00/a0 Emask 0x4 (timeout) > ata1.00: status: { DRDY } > ata1: soft resetting link > ata1.00: configured for MWDMA1 > ata1: EH complete > sr0: CDROM (ioctl) error, command: Get configuration 46 00 00 00 00 00 00 00 > 20 00 > sr: Sense Key : Aborted Command [current] [descriptor] > sr: Add. Sense: No additional sense information > ata1: lost interrupt (Status 0x50) > ata1.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x6 frozen > sr 1:0:0:0: CDB: Get configuration: 46 00 00 00 00 00 00 00 20 00 > ata1.00: cmd a0/01:00:00:20:00/00:00:00:00:00/a0 tag 0 dma 16416 in > res 40/00:02:00:0c:00/00:00:00:00:00/a0 Emask 0x4 (timeout) > ata1.00: status: { DRDY } > ata1: soft resetting link > ata1.00: configured for MWDMA1 > ata1: EH complete > sr0: CDROM (ioctl) error, command: Get configuration 46 00 00 00 00 00 00 00 > 20 00 > sr: Sense Key : Aborted Command [current] [descriptor] > sr: Add. Sense: No additional sense information > ata1: lost interrupt (Status 0x50) > ata1.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x6 frozen > sr 1:0:0:0: CDB: Get configuration: 46 00 00 00 00 00 00 00 20 00 > ata1.00: cmd a0/01:00:00:20:00/00:00:00:00:00/a0 tag 0 dma 16416 in > res 40/00:02:00:0c:00/00:00:00:00:00/a0 Emask 0x4 (timeout) > ata1.00: status: { DRDY } > ata1: soft resetting link > ata1.00: configured for MWDMA1 > ata1: EH complete > > > > > > > > cheers, > --nico > _______________________________________________ > Linuxppc-dev mailing list > Linuxppc-dev@xxxxxxxxxxxxxxxx > https://lists.ozlabs.org/listinfo/linuxppc-dev -- To unsubscribe from this list: send the line "unsubscribe linux-ide" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html