LKML Archive on lore.kernel.org
help / color / mirror / Atom feed
From: Oliver Neukum <oliver@neukum.org>
To: Nicolas Bareil <nico@chdir.org>
Cc: linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org
Subject: Re: USB problem on x86_64: nommu_map_single() issue?
Date: Tue, 14 Oct 2008 13:00:28 +0200	[thread overview]
Message-ID: <200810141300.29502.oliver@neukum.org> (raw)
In-Reply-To: <20081014104500.GB1252@sd-5945.dedibox.fr>

Am Dienstag, 14. Oktober 2008 12:45:00 schrieb Nicolas Bareil:

Hello,

> Hi Oliver,
> 
> On Tue, Oct 14, 2008 at 11:48:47AM +0200, Oliver Neukum wrote:
> > > On 2.6.27, I can't use any USB device (mass storage, mouse) anymore on my x86_64 system, the devices
> > > are not detected: lsusb returns nothing except the hub.
> > 
> > Is this a regression? Did it work on earlier kernels?
> 
> Yes this is a regression: USB works in 2.6.26.x with (almost) the same configuration.

This a an IOMMU problem, not really a USB problem. Can you bisect the problem?

	Regards
		Oliver

  parent reply	other threads:[~2008-10-14 11:01 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-10-14  7:20 Nicolas Bareil
2008-10-14  9:48 ` Oliver Neukum
2008-10-14 10:45   ` Nicolas Bareil
2008-10-14 11:00     ` FUJITA Tomonori
2008-10-14 11:05       ` Nicolas Bareil
2008-10-14 11:14         ` FUJITA Tomonori
2008-10-14 17:11           ` Yinghai Lu
2008-10-14 11:00     ` Oliver Neukum [this message]
2008-10-14 13:43       ` Nicolas Bareil
2008-10-14 14:15         ` Nicolas Bareil
2008-10-28  9:07       ` Jouni Malinen
2008-10-28 15:13         ` [PATCH] x86, gart: fix gart detection for Fam11h CPUs Joerg Roedel
2008-10-28 16:00           ` Ingo Molnar
2008-10-28 16:52           ` Greg KH
2008-10-29  9:55             ` Joerg Roedel
2008-10-29 23:12               ` Greg KH

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=200810141300.29502.oliver@neukum.org \
    --to=oliver@neukum.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-usb@vger.kernel.org \
    --cc=nico@chdir.org \
    --subject='Re: USB problem on x86_64: nommu_map_single() issue?' \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link

This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).