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From: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
To: gshan <gshan@alcatel-lucent.com>
Cc: Jeff Garzik <jeff@garzik.org>,
	linux-kernel@vger.kernel.org,
	Linux IDE mailing list <linux-ide@vger.kernel.org>,
	"Maciej W. Rozycki" <macro@linux-mips.org>
Subject: Re: PIIX4: DMA timeout issue
Date: Wed, 30 Jul 2008 21:43:37 +0200	[thread overview]
Message-ID: <200807302143.37693.bzolnier@gmail.com> (raw)
In-Reply-To: <488FBC6F.2080800@alcatel-lucent.com>

On Wednesday 30 July 2008, gshan wrote:

[...]
 
> The IRQ routing issue has been fixed. IRQ routing system
> on my board is somewhat complicated: i8259->mlba (FPGA based
> PCI device)->MV64460(system controller). I forgot to set MV64460
> IRQ pin to level sensitive and edge sensitive was used, which caused
> interrupt lost finally. After changing this to level sensitive, everything
> seems fine. Now, the problem isn't interrupt lost, but suspending DMA
> operations.

Thanks for explaining this.

> > Also is the problem still present in 2.6.26 or 2.6.27-rc1?
> >
> > [ I don't see an information about the kernel version that is
> >   being used in either of threads? ]
> >   
> Sorry, I'm using 2.6.21 kernel.

Would be great to try with some recent one, the issue may have been
fixed already (which is quite likely given a number of bugfixes that
went in recent kernels).

Thanks,
Bart

  reply	other threads:[~2008-07-30 19:46 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <488ED837.2060509@alcatel-lucent.com>
2008-07-29 13:34 ` PIIX4: DMA timeout issue Jeff Garzik
     [not found]   ` <200807291713.29580.bzolnier@gmail.com>
2008-07-30  0:57     ` gshan
2008-07-30 19:43       ` Bartlomiej Zolnierkiewicz [this message]
2008-07-31  1:00         ` gshan
2008-07-30  0:58   ` gshan
2008-07-30  9:04   ` gshan
2008-07-30 10:49     ` Alan Cox
2008-07-31  4:30       ` gshan
2008-08-01  7:43         ` Tejun Heo
2008-08-01  8:38           ` gshan
2008-08-01  8:54           ` gshan
2008-08-03 14:10             ` Gavin Shan
2008-08-05  3:41               ` gshan
2008-10-24  6:09           ` gshan

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