Hello, (cc'ing Aries of jmicron) On Mon, Oct 10, 2011 at 06:02:46PM +0300, Orson wrote: > I tried my xpress54 card JMB362/363 on Debian Wheezy testing, with > kernel 3.0.0-1-amd64 (Debian 3.0.0.-3). > > The card was inserted into the express slot without any external > disk attached and I experienced the same problems I had been having > with debian squeeze, perhaps even more consistently. > > I am now only using single port JMB 360 cards which operate flawlessly. > > I am attaching a kernel log with the said card inserted. Hmmm.... it looks like the controller is continuously raising connection status changed state and libata is faithfully trying to probe whether new device appeared on the port. Does it work if you plug an actual hard drive into the port? Looks more like wrong wiring than anything else. Aries, any ideas? ahci 0000:10:00.0: AHCI 0001.0000 32 slots 2 ports 3 Gbps 0x3 impl SATA mode ahci 0000:10:00.0: flags: 64bit ncq pm led clo pmp pio slum part ahci 0000:10:00.0: setting latency timer to 64 scsi1 : ahci ata1: SATA max UDMA/133 abar m8192@0xd0000000 port 0xd0000100 irq 16 ata2: SATA max UDMA/133 abar m8192@0xd0000000 port 0xd0000180 irq 16 ata1: SATA link down (SStatus 0 SControOct 9 23:45:46 hp-laptop kernel: [ 1.414084] ata1: exception Emask 0x10 SAct 0x0 SErr 0x4060000 action 0xe frozen ata1: irq_stat 0x00000040, connection status changed ata1: SError: { PHYInt CommWake DevExch } ata1: hard resetting link ata1: COMRESET failed (errno=-32) ata1: reset failed (errno=-32), retrying in 8 secs ata1: limiting SATA link speed to 1.5 Gbps ata1: hard resetting link ata1: SATA link down (SStatus 0 SControl 310) ata1: EH complete ata1: exception Emask 0x10 SAct 0x0 SErr 0x4060000 action 0xe frozen ata1: irq_stat 0x00000040, connection status changed ata1: SError: { PHYInt CommWake DevExch } ata1: hard resetting link ata1: COMRESET failed (errno=-32) ata1: reset failed (errno=-32), retrying in 8 secs ata1: hard resetting link ata1: SATA link down (SStatus 0 SControl 310) ata1: EH complete ata1: exception Emask 0x10 SAct 0x0 SErr 0x4060000 action 0xe frozen ata1: irq_stat 0x00000040, connection status changed ata1: SError: { PHYInt CommWake DevExch } ata1: limiting SATA link speed to 1.5 Gbps ata1: hard resetting link ata1: SATA link down (SStatus 0 SControl 310) ata1: EH complete ata1: exception Emask 0x10 SAct 0x0 SErr 0x4060000 action 0xe frozen ata1: irq_stat 0x00000040, connection status changed ata1: SError: { PHYInt CommWake DevExch } ata1: limiting SATA link speed to 1.5 Gbps ata1: hard resetting link ata1: SATA link down (SStatus 0 SControl 310) ata1: EH complete ata1: exception Emask 0x10 SAct 0x0 SErr 0x4060000 action 0xe frozen ata1: irq_stat 0x00000040, connection status changed ata1: SError: { PHYInt CommWake DevExch } ata1: limiting SATA link speed to 1.5 Gbps ata1: hard resetting link ata1: SATA link down (SStatus 0 SControl 310) ata1: EH complete (repeat...) -- 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