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From: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
To: Anthony Wright <anthony@overnetdata.com>
Cc: Ian Pratt <Ian.Pratt@eu.citrix.com>, xen-devel@lists.xensource.com
Subject: Re: USB disk corruption on Xen 4.1.0 & Linux 2.6.38.7
Date: Thu, 16 Jun 2011 16:10:24 -0400	[thread overview]
Message-ID: <20110616201024.GA1184@dumpdata.com> (raw)
In-Reply-To: <30260355.6.1308134733567.JavaMail.root@zimbra.overnetdata.com>

On Wed, Jun 15, 2011 at 11:45:33AM +0100, Anthony Wright wrote:
> I hit it every time, though with slight variations on which blocks are affected. I get the problem on two out of three of my machines. I don't supply any command line options to Xen or the kernel. I do use an initramfs.

So a couple of things popped at when looking at this:

a). "sata_nv 0000:00:08.1: BMDMA: failed to set dma mask, falling back to PIO"

That is not good. Somehow it wasn't able to set a 32-bit mask. Don't know
if that is due to the driver or just that the kernel can't do it (b/c it
was compiled with some special options).

b). Are you using some special .config option? If you were to use a normal
 distro would you see this?

c). You are using a 32-bit dom0. Didn't notice it until now so I wonder
  if there are some lingering issues (for example not flushing the highmemory
  mappings) that are at foot. Had you tried a 64-bit kernel before?

d). Does the problem exist if you try it with a 2.6.39 kernel or the 3.0-rc3?

e). Can you run lspci -n ? There is a pretty big file in drivers/usb/host/pci-quirks.c
  Want to check against your machine.

  parent reply	other threads:[~2011-06-16 20:10 UTC|newest]

Thread overview: 21+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <8150663.20.1306842333642.JavaMail.root@zimbra.overnetdata.com>
2011-05-31 12:07 ` USB disk corruption on Xen 4.1.0 & Linux 2.6.38.7 Anthony Wright
2011-05-31 14:54   ` Konrad Rzeszutek Wilk
2011-06-01  9:52     ` Anthony Wright
2011-06-01 14:23       ` Konrad Rzeszutek Wilk
2011-06-02 12:24         ` Anthony Wright
2011-06-02 14:38           ` Konrad Rzeszutek Wilk
2011-06-02 14:44             ` Konrad Rzeszutek Wilk
2011-06-02 15:59               ` Anthony Wright
2011-06-09 13:11               ` Anthony Wright
2011-06-09 13:25                 ` Ian Pratt
2011-06-09 13:32                 ` Konrad Rzeszutek Wilk
2011-06-09 13:40                   ` Anthony Wright
2011-06-10 16:46                   ` Konrad Rzeszutek Wilk
2011-06-13 22:06                     ` Konrad Rzeszutek Wilk
2011-06-15 10:45                       ` Anthony Wright
2011-06-15 11:43                         ` Ian Pratt
2011-06-16 20:10                         ` Konrad Rzeszutek Wilk [this message]
2011-06-17  9:45                           ` Anthony Wright
2011-06-20 12:39                             ` Konrad Rzeszutek Wilk
2011-07-29 19:24                               ` Anthony Wright
2011-06-01  8:53   ` Ian Pratt

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