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From: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
To: Sander Eikelenboom <linux@eikelenboom.it>
Cc: xen-devel@lists.xensource.com
Subject: Re: pci-passthrough not working on 4.0.1-rc1-pre: mm.c:3847:d10 Bad page 00000000001beab4: ed=ffff830151210000(10), sd=ffff830151210000, caf=8000000000000002, taf=7400000000000001
Date: Thu, 22 Apr 2010 14:57:47 -0400	[thread overview]
Message-ID: <20100422185747.GF31220@phenom.dumpdata.com> (raw)
In-Reply-To: <1365246793.20100421234440@eikelenboom.it>

On Wed, Apr 21, 2010 at 11:44:40PM +0200, Sander Eikelenboom wrote:
> For the fun of it, with the 2.6.33 and pvgrub
> with kernel line iommu=soft of iommu=1 it fails to boot (no output from a kernel booting)
> with kernel line iommu=off .. it boots fine.
> 
> Does something in the regular kernel around the iommu stuff get run that early in the boot that if it fails it doesn't give output, and could that be triggered by the handing over from mini-os to the actual kernel ?

Not around the code that handles the 'iommu=' stuff. It just sets a
variable (swiotlb in this case) to 1 if 'soft' is specified.

  reply	other threads:[~2010-04-22 18:57 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-04-16 15:07 pci-passthrough not working on 4.0.1-rc1-pre: mm.c:3847:d10 Bad page 00000000001beab4: ed=ffff830151210000(10), sd=ffff830151210000, caf=8000000000000002, taf=7400000000000001 Sander Eikelenboom
2010-04-19 14:19 ` Konrad Rzeszutek Wilk
2010-04-19 14:31   ` Sander Eikelenboom
2010-04-19 15:54     ` Konrad Rzeszutek Wilk
2010-04-19 16:01       ` Sander Eikelenboom
2010-04-19 14:47   ` Sander Eikelenboom
2010-04-19 15:59     ` Konrad Rzeszutek Wilk
2010-04-19 16:13       ` Sander Eikelenboom
2010-04-19 16:27         ` Konrad Rzeszutek Wilk
2010-04-19 17:09           ` Sander Eikelenboom
2010-04-19 17:23             ` Sander Eikelenboom
2010-04-19 17:42               ` Sander Eikelenboom
2010-04-19 18:28               ` Konrad Rzeszutek Wilk
2010-04-19 18:38                 ` Sander Eikelenboom
2010-04-21 13:58                 ` Sander Eikelenboom
2010-04-21 15:02                   ` Konrad Rzeszutek Wilk
2010-04-21 16:06                     ` Sander Eikelenboom
2010-04-21 21:44                     ` Sander Eikelenboom
2010-04-22 18:57                       ` Konrad Rzeszutek Wilk [this message]
2010-04-21 21:55                     ` listmail

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