From: Tejun Heo <htejun@gmail.com>
To: "Berck E. Nash" <flyboy@gmail.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: 2.6.19-rc2-mm2 AHCI lengthy pause on detection
Date: Fri, 20 Oct 2006 12:15:59 +0900 [thread overview]
Message-ID: <45383F6F.6090102@gmail.com> (raw)
In-Reply-To: <453663DB.5060908@gmail.com>
[-- Attachment #1: Type: text/plain, Size: 374 bytes --]
Berck E. Nash wrote:
> AHCI pauses heartily on during detection boot, but eventually proceeds.
> This problem currently exists with 2.6.19-rc2-mm1, but did not exist in
> 2.6.17.3. I realize that's a huge gap, and if you'd like me to narrow
> it down, I'll be glad to try.
Can you try the attached patch? And please post the result of hdparm -I
/dev/sdX.
--
tejun
[-- Attachment #2: patch --]
[-- Type: text/plain, Size: 487 bytes --]
diff --git a/drivers/ata/ahci.c b/drivers/ata/ahci.c
index 2592912..8215139 100644
--- a/drivers/ata/ahci.c
+++ b/drivers/ata/ahci.c
@@ -278,8 +278,7 @@ static const struct ata_port_info ahci_p
{
.sht = &ahci_sht,
.flags = ATA_FLAG_SATA | ATA_FLAG_NO_LEGACY |
- ATA_FLAG_MMIO | ATA_FLAG_PIO_DMA |
- ATA_FLAG_SKIP_D2H_BSY,
+ ATA_FLAG_MMIO | ATA_FLAG_PIO_DMA,
.pio_mask = 0x1f, /* pio0-4 */
.udma_mask = 0x7f, /* udma0-6 ; FIXME */
.port_ops = &ahci_ops,
next prev parent reply other threads:[~2006-10-20 3:16 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-10-18 17:26 2.6.19-rc2-mm2 AHCI lengthy pause on detection Berck E. Nash
2006-10-20 3:15 ` Tejun Heo [this message]
2006-10-22 3:01 ` Berck E. Nash
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