From mboxrd@z Thu Jan  1 00:00:00 1970
From: Jeremy Fitzhardinge <jeremy@goop.org>
Subject: Re: xend start error
Date: Wed, 18 Feb 2009 00:30:26 -0800
Message-ID: <499BC722.2030608@goop.org>
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Boris Derzhavets wrote:
> [    0.706848] ahci 0000:00:1f.2: version 3.0
> [    0.706866] xen: registering gsi 22 triggering 0 polarity 1
> [    0.706878] xen: --> irq=22
> [    0.706881] xen_set_ioapic_routing: irq 22 gsi 22 vector 176 ioapic 
> 0 pin 22 triggering 0 polarity 1
> [    0.706943] ahci 0000:00:1f.2: PCI INT B -> GSI 22 (level, low) -> 
> IRQ 22
> [    0.707070] ahci: SSS flag set, parallel bus scan disabled
> [    0.707143] ahci 0000:00:1f.2: AHCI 0001.0200 32 slots 6 ports 3 
> Gbps 0x3f impl SATA mode
> [    0.707199] ahci 0000:00:1f.2: flags: 64bit ncq sntf stag pm led 
> clo pmp pio slum part ems
> [    0.707259] ahci 0000:00:1f.2: setting latency timer to 64
> [    0.707796] scsi0 : ahci
> [    0.708037] scsi1 : ahci
> [    0.708243] scsi2 : ahci
> [    0.708450] scsi3 : ahci
> [    0.708651] scsi4 : ahci
> [    0.708855] scsi5 : ahci
> [    0.709221] ata1: SATA max UDMA/133 abar m2048@0xf9ffe800 port 
> 0xf9ffe900 irq 22
> [    0.709277] ata2: SATA max UDMA/133 abar m2048@0xf9ffe800 port 
> 0xf9ffe980 irq 22
> [    0.709332] ata3: SATA max UDMA/133 abar m2048@0xf9ffe800 port 
> 0xf9ffea00 irq 22
> [    0.709387] ata4: SATA max UDMA/133 abar m2048@0xf9ffe800 port 
> 0xf9ffea80 irq 22
> [    0.709442] ata5: SATA max UDMA/133 abar m2048@0xf9ffe800 port 
> 0xf9ffeb00 irq 22
> [    0.709497] ata6: SATA max UDMA/133 abar m2048@0xf9ffe800 port 
> 0xf9ffeb80 irq 22
> [    1.230023] ata1: SATA link up 1.5 Gbps (SStatus 113 SControl 300)
> [    1.230663] ata1.00: ATA-7: ST3250410AS, 3.AAC, max UDMA/133
> [    1.230718] ata1.00: 488397168 sectors, multi 0: LBA48 NCQ (depth 
> 31/32)
> [    1.231469] ata1.00: configured for UDMA/133
> [    1.250137] scsi 0:0:0:0: Direct-Access     ATA      
> ST3250410AS      3.AA PQ: 0 ANSI: 5
> [    1.780022] ata2: SATA link up 1.5 Gbps (SStatus 113 SControl 300)
> [    1.780605] ata2.00: ATA-7: ST3250410AS, 3.AAC, max UDMA/133
> [    1.780656] ata2.00: 488397168 sectors, multi 0: LBA48 NCQ (depth 
> 31/32)
> [    1.781394] ata2.00: configured for UDMA/133
> [    1.800124] scsi 1:0:0:0: Direct-Access     ATA      
> ST3250410AS      3.AA PQ: 0 ANSI: 5
> [    2.150024] ata3: SATA link down (SStatus 0 SControl 300)
> [    2.520024] ata4: SATA link down (SStatus 0 SControl 300)
> [    2.890023] ata5: SATA link down (SStatus 0 SControl 300)
> [    3.260024] ata6: SATA link down (SStatus 0 SControl 300)
>

How reliable is your machine with AHCI?  Last time I tried it I got 
nowhere.  Others have reported that its quite unstable (fails a couple 
of minutes after boot, at best).

Thanks,
    J