Mikael Abrahamsson wrote: > On Thu, 2 Apr 2009, Tejun Heo wrote: > >> You need to keep the first port occupied for 3726/4726; otherwise, the >> fake config disk jumps around and it just goes belly up. Do you >> experience problems even with the first port occupied? > > Yes, I just did some tests again (this time with 2.6.28-11-generic > #41-Ubuntu SMP Wed Apr 8 04:38:53 UTC 2009 i686 GNU/Linux) > > If I cold-boot the machine with drives in bay 0 (samsung) and 1 (WD), > everything is fine. I then unplug the drive in 1, and put it in 2. This > drive isn't recognised at all (I can't see anything happening in dmesg). > Re-seating the drive in 0 makes both drives pop back in again. > > [ 16.558305] ata12.00: ATA-8: SAMSUNG HD501LJ, CR100-10, max UDMA7 > [ 16.569850] ata12.01: ATA-8: WDC WD5000AAKS-00YGA0, 12.01C02, max > UDMA/133 > [ 16.571285] scsi 11:0:0:0: Direct-Access ATA SAMSUNG > HD501LJ CR10 PQ: 0 ANSI: 5 > [ 16.576818] scsi 11:1:0:0: Direct-Access ATA WDC > WD5000AAKS-0 12.0 PQ: 0 ANSI: 5 > > If I now unplug both, and first put in 0 (WD) and then 2(samsung), > samsung isn't recognised, doesn't matter if I move samsung from 2 to 1. > In this configuration, 0(WD), 1(samsung), re-seating 0 doesn't make the > samsung become visible again: > > [ 1083.656011] ata12.01: failed to IDENTIFY (I/O error, err_mask=0x11) > [ 1083.656014] ata12.01: failed to recover link after 3 tries, disabling > > Removing both and going back to 0 (samsung) and 1 (WD) make both drives > visible again. Can you please try 2.6.29 and post full kernel log? Thanks. -- tejun -- 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
