From: Andi Kleen <ak@suse.de>
To: Tejun Heo <htejun@gmail.com>
Cc: Jeff Garzik <jgarzik@pobox.com>, linux-ide@vger.kernel.org
Subject: Re: [PATCH] sata_sil: disable hotplug interrupts on two ATI IXPs
Date: Mon, 26 Jun 2006 18:33:14 +0200 [thread overview]
Message-ID: <200606261833.14905.ak@suse.de> (raw)
In-Reply-To: <20060626122352.GA10140@htj.dyndns.org>
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@gmail.com>
> ---
>
> 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
next prev parent reply other threads:[~2006-06-26 16:35 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-06-25 21:59 More information on ATI IXP failure in git9 Andi Kleen
2006-06-25 22:19 ` Jeff Garzik
2006-06-26 5:24 ` Andi Kleen
2006-06-25 23:23 ` Jeff Garzik
2006-06-26 2:10 ` Tejun Heo
2006-06-26 6:18 ` Andi Kleen
2006-06-26 8:40 ` Tejun Heo
2006-06-26 8:57 ` Tejun Heo
2006-06-26 9:22 ` Andi Kleen
2006-06-26 9:13 ` Andi Kleen
2006-06-26 12:23 ` [PATCH] sata_sil: disable hotplug interrupts on two ATI IXPs Tejun Heo
2006-06-26 16:33 ` Andi Kleen [this message]
2006-06-27 1:02 ` Jeff Garzik
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