Am So, 27.01.2008, 01:38, schrieb dusty@xxxxxx: > Am Sa, 26.01.2008, 23:33, schrieb Tejun Heo: > >> dusty@xxxxxx wrote: >>> I could solve the problem by ncq blacklisting the "Maxtor 6V300F0" >>> devices in libata-core.c >> >> That's a strange story. The reported error was PHY readiness changed >> and Device exchanged, both of which point to hotplug event. Maybe >> something causes the firmware to reset? What happen if you only leave >> two drives on the port multiplier and remove the NCQ blacklist? Also, >> does the error ever occur on the drives which are connected directly to >> the controller? >> >> >> -- >> tejun >> >> > > No the error only occures on the drives on the pm. I can test the pm with > two Maxtor drives tomorrow (currently backing up the raid). > > With one, two and three drives on the pm I got no errors, so I tried to change the power supply. I got two power supplies for the 16 harddrives and the second one (with all Maxtor drives and the first pm) was failing. After changing the power supply all problems where gone. Sorry for the confusion. The only remaining issue is that some sata links are only working with 1.5 gbps and I can't figure out why. (ata3,4,5,6.x are the Maxtor drives and ata7,8,9,10.x are the Samsung ones) jasmin ~ # dmesg | grep Gbps ata3: SATA link up 3.0 Gbps (SStatus 123 SControl 0) ata4: SATA link up 3.0 Gbps (SStatus 123 SControl 0) ata5: SATA link up 3.0 Gbps (SStatus 123 SControl 0) ata6: SATA link up 3.0 Gbps (SStatus 123 SControl 0) ata6.00: SATA link up 1.5 Gbps (SStatus 113 SControl 300) ata6.01: SATA link up 3.0 Gbps (SStatus 123 SControl 300) ata6.02: SATA link up 3.0 Gbps (SStatus 123 SControl 300) ata6.03: SATA link up 3.0 Gbps (SStatus 123 SControl 300) ata6.04: SATA link up 3.0 Gbps (SStatus 123 SControl 300) ata6.05: SATA link up 1.5 Gbps (SStatus 113 SControl 300) ata7: SATA link up 3.0 Gbps (SStatus 123 SControl 0) ata8: SATA link up 3.0 Gbps (SStatus 123 SControl 0) ata9: SATA link up 3.0 Gbps (SStatus 123 SControl 0) ata10: SATA link up 3.0 Gbps (SStatus 123 SControl 0) ata10.00: SATA link up 3.0 Gbps (SStatus 123 SControl 300) ata10.01: SATA link up 3.0 Gbps (SStatus 123 SControl 300) ata10.02: SATA link up 3.0 Gbps (SStatus 123 SControl 300) ata10.03: SATA link up 3.0 Gbps (SStatus 123 SControl 300) ata10.04: SATA link up 3.0 Gbps (SStatus 123 SControl 300) ata10.05: SATA link up 1.5 Gbps (SStatus 113 SControl 300) - 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
