linux-kernel.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: Joerg Roedel <joro@8bytes.org>
To: Andrew Oakley <andrew@ado.is-a-geek.net>
Cc: iommu@lists.linux-foundation.org, linux-kernel@vger.kernel.org
Subject: Re: [git pull] IOMMU Updates for v3.7-rc1
Date: Wed, 10 Oct 2012 09:30:22 +0200	[thread overview]
Message-ID: <20121010073022.GB16151@8bytes.org> (raw)
In-Reply-To: <20121009224532.1e515664@ado-amd-gentoo.moore.slainvet.net>

Hi Andrew,

On Tue, Oct 09, 2012 at 10:45:32PM +0100, Andrew Oakley wrote:
> On Fri, 5 Oct 2012 17:23:12 +0200
> Joerg Roedel <joro-zLv9SwRftAIdnm+yROfE0A@public.gmane.org> wrote:

> ACPI: Core revision 20120711
> ..TIMER: vector=0x30 apic1=0 pin1=2 apic2=-1 pin2=-1
> Kernel panic - not syncing: timer doesn't work through Interrupt-remapped IO-APIC
> Pid: 1, comm: swapper/0 Not tainted 3.6.0+ #2
> Call Trace:
>  [<ffffffff8163f617>] ? panic+0xc5/0x1d0
>  [<ffffffff8163f76e>] ? printk+0x4c/0x51
>  [<ffffffff81c96b52>] ? setup_IO_APIC+0x325/0x710
>  [<ffffffff81c947b5>] ? native_smp_prepare_cpus+0x2b9/0x334
>  [<ffffffff81c87b53>] ? kernel_init+0x59/0x190
>  [<ffffffff81643b84>] ? kernel_thread_helper+0x4/0x10
>  [<ffffffff81c87afa>] ? start_kernel+0x2c7/0x2c7
>  [<ffffffff81643b80>] ? gs_change+0x13/0x13
> 
> There is a patch to fix a similar problem (32ab31e) for the Intel IRQ
> remapping code but I don't know if this is likely to be the same issue
> or not.

Can you please boot with 'amd_iommu_dump nointremap' on your kernel
command line and post dmesg? I guess your ACPI table is broken in some
way.

The problem seen on VT-d exists on AMD too, but I have a workaround for
that in the code already. This must be something else...

Thanks,

	Joerg



  reply	other threads:[~2012-10-10  7:30 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-10-05 15:23 [git pull] IOMMU Updates for v3.7-rc1 Joerg Roedel
2012-10-09 21:45 ` Andrew Oakley
2012-10-10  7:30   ` Joerg Roedel [this message]
2012-10-10  8:58     ` Andrew Oakley
2012-10-10 13:32       ` Joerg Roedel
2012-10-10 19:11         ` Andrew Oakley
2012-10-10 22:02           ` Andrew Oakley
2012-10-10 22:05             ` [PATCH] iommu/amd: Workaround wrong IOAPIC devid in IVRS andrew
2012-10-11  9:32             ` [git pull] IOMMU Updates for v3.7-rc1 Joerg Roedel

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=20121010073022.GB16151@8bytes.org \
    --to=joro@8bytes.org \
    --cc=andrew@ado.is-a-geek.net \
    --cc=iommu@lists.linux-foundation.org \
    --cc=linux-kernel@vger.kernel.org \
    /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
Be sure your reply has a Subject: header at the top and a blank line before the message body. 
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).