On Monday 26 June 2006 14:23, Tejun Heo wrote: > Some SATA controllers embedded in ATI IXPs seem to have broken > SATA_IRQ bit in their bmdma2 registers which is always stuck at 1. > This makes the driver believe that there has been a hotplug event and > freeze the port whenever there's an interrupt thus failing all > commands. > > This patch disables SATA_IRQ for those controllers. > > Signed-off-by: Tejun Heo <htejun@xxxxxxxxx> > --- > > Andi, can you please verify this patch works? Jeff, if Andi confirms > it, please push this to Andrew & Linus. I'll contact SIMG and try to > find another way around this. Works thanks. -Andi libata version 1.30 loaded. sata_sil 0000:00:11.0: version 1.0 GSI 19 sharing vector 0xC9 and IRQ 19 ACPI: PCI Interrupt 0000:00:11.0[A] -> GSI 23 (level, low) -> IRQ 201 ata1: SATA max UDMA/100 cmd 0xFFFFC2001008E080 ctl 0xFFFFC2001008E08A bmdma 0xFF FFC2001008E000 irq 201 ata2: SATA max UDMA/100 cmd 0xFFFFC2001008E0C0 ctl 0xFFFFC2001008E0CA bmdma 0xFF FFC2001008E008 irq 201 scsi0 : sata_sil ata1: SATA link down (SStatus 0 SControl 300) scsi1 : sata_sil ata2: SATA link down (SStatus 0 SControl 300) ACPI: PCI Interrupt 0000:00:12.0[A] -> GSI 22 (level, low) -> IRQ 177 ata3: SATA max UDMA/100 cmd 0xFFFFC20010090080 ctl 0xFFFFC2001009008A bmdma 0xFF FFC20010090000 irq 177 ata4: SATA max UDMA/100 cmd 0xFFFFC200100900C0 ctl 0xFFFFC200100900CA bmdma 0xFF FFC20010090008 irq 177 scsi2 : sata_sil ata3: SATA link up 1.5 Gbps (SStatus 113 SControl 300) ata3.00: configured for UDMA/100 scsi3 : sata_sil ata4: SATA link down (SStatus 0 SControl 300) Vendor: ATA Model: SAMSUNG SP2504C Rev: VT10 Type: Direct-Access ANSI SCSI revision: 05 SCSI device sda: 488397168 512-byte hdwr sectors (250059 MB) sda: Write Protect is off sda: Mode Sense: 00 3a 00 00 SCSI device sda: drive cache: write back SCSI device sda: 488397168 512-byte hdwr sectors (250059 MB) sda: Write Protect is off sda: Mode Sense: 00 3a 00 00 SCSI device sda: drive cache: write back sda: sda1 sda2 sda3 sd 2:0:0:0: Attached scsi disk sda - : 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
