Linux IOMMU Development
 help / color / mirror / Atom feed
From: Joerg Roedel <jroedel-l3A5Bk7waGM@public.gmane.org>
To: Clemens Ladisch <clemens-P6GI/4k7KOmELgA04lAiVw@public.gmane.org>
Cc: iommu-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org
Subject: Re: AMD-Vi regression with PCIe/PCI bridges in 4.4
Date: Mon, 4 Apr 2016 12:51:46 +0200	[thread overview]
Message-ID: <20160404105146.GD24141@suse.de> (raw)
In-Reply-To: <5700BF69.2080102-P6GI/4k7KOmELgA04lAiVw@public.gmane.org>

Hi Clemens,

On Sun, Apr 03, 2016 at 08:59:53AM +0200, Clemens Ladisch wrote:
> there are several reports of Xonar PCIe sound cards failing to work in
> kernel 4.4 (including 4.4.5):
> 
> https://bugzilla.redhat.com/show_bug.cgi?id=1313790
> https://bugzilla.kernel.org/show_bug.cgi?id=111711
> https://bbs.archlinux.org/viewtopic.php?pid=1601338#p1601338
> 
> They show error messages like this:
> 
>   AMD-Vi: Event logged [IO_PAGE_FAULT device=03:00.0 domain=0x0000 address=0x000000000020cf00 flags=0x0070]
> 
> All these cards use a PCI chip, with different PCIe bridges (ASM1083,
> PEX8112, PEX8111).a
> 
> It probably matters that "03" is the PCI bus, but that device "00" does
> not exist.

I have seen that before, can you please boot with 'amd_iommu_dump' on
the kernel command line and send me dmesg after boot?


Thanks a lot,


       Joerg

  parent reply	other threads:[~2016-04-04 10:51 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-04-03  6:59 AMD-Vi regression with PCIe/PCI bridges in 4.4 Clemens Ladisch
     [not found] ` <5700BF69.2080102-P6GI/4k7KOmELgA04lAiVw@public.gmane.org>
2016-04-04 10:51   ` Joerg Roedel [this message]
2016-04-05 10:02   ` Clemens Ladisch
     [not found]     ` <57038D1F.7040205-P6GI/4k7KOmELgA04lAiVw@public.gmane.org>
2016-04-05 10:15       ` Joerg Roedel
     [not found]         ` <20160405101530.GA4203-l3A5Bk7waGM@public.gmane.org>
2016-04-05 12:26           ` Clemens Ladisch
     [not found]             ` <5703AEE6.4010304-P6GI/4k7KOmELgA04lAiVw@public.gmane.org>
2016-04-05 12:39               ` Tomasz Golinski
     [not found]                 ` <5703B1F3.6000505-FRiIMV821htubak7+UBa2Q@public.gmane.org>
2016-04-05 12:49                   ` Joerg Roedel
2016-04-05 13:15                   ` Clemens Ladisch
     [not found]                     ` <5703BA5E.3060005-P6GI/4k7KOmELgA04lAiVw@public.gmane.org>
2016-04-05 13:19                       ` Joerg Roedel
     [not found]                         ` <20160405131928.GJ17838-zLv9SwRftAIdnm+yROfE0A@public.gmane.org>
2016-04-05 14:06                           ` Tomasz Golinski
2016-04-06  7:06                       ` Martin Haiden
     [not found]                         ` <1459926391.2346.6.camel-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2016-04-06 15:47                           ` Joerg Roedel
     [not found]                             ` <20160406154729.GD4203-l3A5Bk7waGM@public.gmane.org>
2016-04-06 15:52                               ` Tomasz Golinski
     [not found]                                 ` <570530D9.6010109-FRiIMV821htubak7+UBa2Q@public.gmane.org>
2016-04-08 13:23                                   ` Joerg Roedel
     [not found]                                     ` <20160408132355.GE4203-l3A5Bk7waGM@public.gmane.org>
2016-04-08 15:39                                       ` Tomasz Golinski
     [not found]                                         ` <5707D0BD.3070905-FRiIMV821htubak7+UBa2Q@public.gmane.org>
2016-04-08 19:01                                           ` Joerg Roedel
     [not found]                                             ` <20160408190111.GF4203-l3A5Bk7waGM@public.gmane.org>
2016-04-08 20:17                                               ` Tomasz Golinski
     [not found]                                                 ` <570811BF.8040504-FRiIMV821htubak7+UBa2Q@public.gmane.org>
2016-04-11 14:08                                                   ` Joerg Roedel
2016-04-06 19:15                               ` Martin Haiden
2016-04-06 19:55                               ` Clemens Ladisch

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=20160404105146.GD24141@suse.de \
    --to=jroedel-l3a5bk7wagm@public.gmane.org \
    --cc=clemens-P6GI/4k7KOmELgA04lAiVw@public.gmane.org \
    --cc=iommu-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.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