Malte Schröder wrote:
quoted text
> Hello,
> on one of my machines neither 2.6.24 nor 2.6.24.1 work.
> The system is 64bit on Athlon X2 and ATI-Chipset (SB600).
> 
> Extract from the kernel messages during boot:
> 
> [   66.943103] ahci 0000:00:12.0: controller can't do 64bit DMA, forcing 32bit
> [   66.950374] ahci 0000:00:12.0: controller can't do PMP, turning off CAP_PMP
> [   67.956470] ahci 0000:00:12.0: AHCI 0001.0100 32 slots 4 ports 3 Gbps 0xf impl SATA mode
> [   67.964996] ahci 0000:00:12.0: flags: ncq sntf ilck pm led clo pio slum part
> [   67.972820] scsi0 : ahci
> [   67.975699] scsi1 : ahci
> [   67.978445] scsi2 : ahci
> [   67.981178] scsi3 : ahci
> [   67.983949] ata1: SATA max UDMA/133 abar m1024@0xfadffc00 port 0xfadffd00 irq 509
> [   67.991825] ata2: SATA max UDMA/133 abar m1024@0xfadffc00 port 0xfadffd80 irq 509
> [   67.999729] ata3: SATA max UDMA/133 abar m1024@0xfadffc00 port 0xfadffe00 irq 509
> [   68.007619] ata4: SATA max UDMA/133 abar m1024@0xfadffc00 port 0xfadffe80 irq 509
> [   68.470669] ata1: SATA link up 3.0 Gbps (SStatus 123 SControl 300)
> [   98.431945] ata1.00: qc timeout (cmd 0xec)
> [   98.454907] ata1.00: failed to IDENTIFY (I/O error, err_mask=0x4)
> [   98.461296] ata1: failed to recover some devices, retrying in 5 secs
> [  103.916773] ata1: SATA link up 3.0 Gbps (SStatus 123 SControl 300)
> [  133.878045] ata1.00: qc timeout (cmd 0xec)
> [  133.882371] ata1.00: failed to IDENTIFY (I/O error, err_mask=0x4)
> [  133.888797] ata1: failed to recover some devices, retrying in 5 secs
> [  139.343901] ata1: SATA link up 3.0 Gbps (SStatus 123 SControl 300)
> [  169.305174] ata1.00: qc timeout (cmd 0xec)
> [  169.309534] ata1.00: failed to IDENTIFY (I/O error, err_mask=0x4)
> [  169.315926] ata1: failed to recover some devices, retrying in 5 secs
> [  174.771030] ata1: SATA link up 3.0 Gbps (SStatus 123 SControl 300)
> 
> The complete boot-log (captured via serial console), lspci output,
> output of hdparm -I and the kernel config are attached.
> 
> The PC has one IDE-drive and four SATA-drives (see hdparm.txt).
> If I wait long enough, the IDE-drive get's recognized and I can
> continue the boot process, but the SATA-drives are never recognized.
> The system work's fine with kernel 2.6.23.11 (later kernels not tested).

Does irqpoll kernel parameter help?

-- 
tejun
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