Mark Lord wrote: > Robert de Rooy wrote: > >> >> I did another try with libata pcmcia support using 2.6.22-rc5 which >> already includes the nodata polling fix, in combination with >> disable-dev_init_param-and-setxfermode-for-CFA.patch and the >> timing-debug.patch > > ... > >> Jun 22 13:19:44 localhost kernel: ata3.00: issuing IDENTIFY >> Jun 22 13:19:45 localhost kernel: ata3.00: IDENTIFY complete >> Jun 22 13:19:45 localhost kernel: ata3.00: CFA: Memory Card Adapter, >> 20011212, max PIO1 >> Jun 22 13:19:45 localhost kernel: ata3.00: 253696 sectors, multi 0: LBA >> Jun 22 13:19:45 localhost kernel: ata3.00: issuing IDENTIFY >> Jun 22 13:19:45 localhost kernel: ata3.00: IDENTIFY complete >> Jun 22 13:19:45 localhost kernel: ata3.00: configured for PIO0 >> Jun 22 13:19:45 localhost kernel: ata3: EH complete >> Jun 22 13:19:45 localhost kernel: scsi 2:0:0:0: Direct-Access >> ATA Memory Card Adap 2001 PQ: 0 ANSI: 5 >> Jun 22 13:19:45 localhost kernel: sd 2:0:0:0: [sdb] 253696 512-byte >> hardware sectors (130 MB) >> Jun 22 13:19:45 localhost kernel: sd 2:0:0:0: [sdb] Write Protect is off >> Jun 22 13:19:45 localhost kernel: sd 2:0:0:0: [sdb] Write cache: >> disabled, read cache: enabled, doesn't support DPO or FUA >> Jun 22 13:19:45 localhost kernel: sd 2:0:0:0: [sdb] 253696 512-byte >> hardware sectors (130 MB) >> Jun 22 13:19:45 localhost kernel: sd 2:0:0:0: [sdb] Write Protect is off >> Jun 22 13:19:45 localhost kernel: sd 2:0:0:0: [sdb] Write cache: >> disabled, read cache: enabled, doesn't support DPO or FUA >> Jun 22 13:20:15 localhost kernel: sdb:<3>ata3.00: exception Emask 0x0 >> SAct 0x0 SErr 0x0 action 0x2 frozen >> Jun 22 13:20:15 localhost kernel: ata3.00: cmd >> 20/00:08:00:00:00/00:00:00:00:00/e0 tag 0 cdb 0x0 data 4096 in >> Jun 22 13:20:15 localhost kernel: res >> 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout) >> Jun 22 13:20:15 localhost kernel: ata3: soft resetting port >> Jun 22 13:20:15 localhost kernel: ata3: reset complete >> Jun 22 13:20:15 localhost kernel: ATA: abnormal status 0x80 on port >> 0x00014107 >> Jun 22 13:20:15 localhost kernel: ATA: abnormal status 0x80 on port >> 0x00014107 >> Jun 22 13:20:15 localhost kernel: ATA: abnormal status 0x58 on port >> 0x00014107 >> Jun 22 13:20:15 localhost kernel: ata3.00: issuing IDENTIFY >> Jun 22 13:20:15 localhost kernel: ATA: abnormal status 0x58 on port >> 0x00014107 > > ... > > Mmm.. I don't know about the first failure there, > but after that it gets into the "stuck DRQ" state > which libata makes no attempt to handle at present. > It seems the pata_pcmcia driver is using IRQ driven PIO. Maybe Robert could try the following pio_polling patch first. -- albert --- --- libata-dev/drivers/ata/pata_pcmcia.c~ 2007-06-12 16:44:43.000000000 +0800 +++ libata-dev/drivers/ata/pata_pcmcia.c 2007-06-25 11:53:37.000000000 +0800 @@ -299,7 +299,7 @@ next_entry: ap->ops = &pcmcia_port_ops; ap->pio_mask = 1; /* ISA so PIO 0 cycles */ - ap->flags |= ATA_FLAG_SLAVE_POSS; + ap->flags |= ATA_FLAG_SLAVE_POSS | ATA_FLAG_PIO_POLLING; ap->ioaddr.cmd_addr = io_addr; ap->ioaddr.altstatus_addr = ctl_addr; ap->ioaddr.ctl_addr = ctl_addr; - 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