From: Jan Kiszka <jan.kiszka@web.de>
To: David Kiarie <davidkiarie4@gmail.com>
Cc: Marcel Apfelbaum <marcel@redhat.com>,
Valentine Sinitsyn <valentine.sinitsyn@gmail.com>,
QEMU Developers <qemu-devel@nongnu.org>,
"Michael S. Tsirkin" <mst@redhat.com>
Subject: Re: [Qemu-devel] [V6 0/4] AMD IOMMU
Date: Mon, 22 Feb 2016 08:29:03 +0100 [thread overview]
Message-ID: <56CAB8BF.5040605@web.de> (raw)
In-Reply-To: <CABdVeABJTo4EAx_AeQ8FsUyvKSWyMn+Y0C08esvQp=swfoD9AA@mail.gmail.com>
[-- Attachment #1: Type: text/plain, Size: 1302 bytes --]
On 2016-02-22 06:57, David Kiarie wrote:
> On Sun, Feb 21, 2016 at 11:20 PM, Jan Kiszka <jan.kiszka@web.de> wrote:
>> On 2016-02-21 19:10, David Kiarie wrote:
>>> Hello there,
>>>
>>> Repost, AMD IOMMU patches version 6.
>>>
>>> Changes since version 5
>>> -Fixed macro formating issues
>>> -changed occurences of IO MMU to IOMMU for consistency
>>> -Fixed capability registers duplication
>>> -Rebased to current master
>>
>> I suspect this still has some subtle bugs: I'm running the patches over
>> master with standard Linux distro as guest, full desktop, and I'm
>> getting sporadic segfaults of arbitrary programs. These disappear once I
>> disable the IOMMU or switch to the Intel version.
>
> Is this L1 guest or L2 guest ? - haven't got any such so far.
It's L1 only.
>
>>
>> How did you test so far?
>
> I mainly test by logging. I've tested L1 without any iommu-related
> command line parameters and with L1 with 'iommu=1 iommu=pt'. L2 guest;
> passed-through a device checked it's working correctly, that all.
> These guests barely have any load though.
I quickly reproduced the issue by starting some "heavier" applications,
a browser or an office suite. Something is apparently always corrupted
then, data or code, thus the crashes.
Jan
[-- Attachment #2: OpenPGP digital signature --]
[-- Type: application/pgp-signature, Size: 181 bytes --]
next prev parent reply other threads:[~2016-02-22 7:29 UTC|newest]
Thread overview: 53+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-02-21 18:10 [Qemu-devel] [V6 0/4] AMD IOMMU David Kiarie
2016-02-21 18:10 ` [Qemu-devel] [V6 1/4] hw/i386: Introduce " David Kiarie
2016-02-25 15:43 ` Marcel Apfelbaum
2016-02-26 6:23 ` David Kiarie
2016-03-02 4:00 ` David Kiarie
2016-03-02 4:08 ` David Kiarie
2016-03-03 9:40 ` Marcel Apfelbaum
2016-03-03 9:34 ` Marcel Apfelbaum
2016-03-02 19:11 ` David Kiarie
2016-03-03 12:16 ` Marcel Apfelbaum
2016-02-21 18:10 ` [Qemu-devel] [V6 2/4] hw/core: Add AMD IOMMU to machine properties David Kiarie
2016-02-21 20:09 ` Jan Kiszka
2016-03-02 20:51 ` David Kiarie
2016-03-03 9:28 ` Marcel Apfelbaum
2016-03-11 13:20 ` Michael S. Tsirkin
2016-02-21 18:10 ` [Qemu-devel] [V6 3/4] hw/i386: ACPI table for AMD IOMMU David Kiarie
2016-02-21 18:20 ` Jan Kiszka
2016-02-21 19:00 ` David Kiarie
2016-02-21 18:11 ` [Qemu-devel] [V6 4/4] hw/pci-host: Emulate " David Kiarie
2016-02-22 11:22 ` Marcel Apfelbaum
[not found] ` <56D75688.1020500@gmail.com>
2016-03-02 21:17 ` Michael S. Tsirkin
2016-03-02 22:04 ` David Kiarie
2016-03-03 9:49 ` Michael S. Tsirkin
2016-03-03 11:47 ` David Kiarie
2016-03-03 12:02 ` Marcel Apfelbaum
2016-03-03 12:06 ` Marcel Apfelbaum
2016-03-03 12:18 ` David Kiarie
2016-03-03 12:58 ` Michael S. Tsirkin
2016-03-08 17:15 ` David Kiarie
2016-03-11 13:22 ` Michael S. Tsirkin
2016-03-13 0:14 ` David Kiarie
2016-03-13 13:59 ` Michael S. Tsirkin
2016-02-21 20:20 ` [Qemu-devel] [V6 0/4] " Jan Kiszka
2016-02-22 5:57 ` David Kiarie
2016-02-22 7:29 ` Jan Kiszka [this message]
2016-02-22 11:05 ` David Kiarie
2016-02-22 11:12 ` Jan Kiszka
2016-03-01 13:07 ` Michael S. Tsirkin
2016-03-01 13:48 ` Jan Kiszka
2016-03-01 13:55 ` Michael S. Tsirkin
2016-03-01 14:12 ` Jan Kiszka
2016-03-01 14:18 ` Jan Kiszka
2016-03-01 14:30 ` Michael S. Tsirkin
2016-03-01 14:35 ` Jan Kiszka
2016-03-01 14:19 ` Michael S. Tsirkin
2016-03-01 14:00 ` Jan Kiszka
2016-03-01 20:11 ` Michael S. Tsirkin
2016-03-01 20:17 ` Jan Kiszka
2016-03-01 20:39 ` Michael S. Tsirkin
2016-03-01 21:23 ` Jan Kiszka
2016-03-01 22:35 ` Michael S. Tsirkin
2016-03-02 21:17 ` David Kiarie
2016-03-02 21:32 ` Michael S. Tsirkin
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=56CAB8BF.5040605@web.de \
--to=jan.kiszka@web.de \
--cc=davidkiarie4@gmail.com \
--cc=marcel@redhat.com \
--cc=mst@redhat.com \
--cc=qemu-devel@nongnu.org \
--cc=valentine.sinitsyn@gmail.com \
/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).