[Expired for linux (Ubuntu) because there has been no activity for 60
days.]
** Changed in: linux (Ubuntu)
Status: Incomplete = Expired
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https://bugs.launchpad.net/bugs/1073384
Actually, the patch should not have affected the IOMMU performance. I'm
not quite familiar with ZFS. If you give me some pointers of how you do
your testing, I can try to experiment. Could you recheck the dmesg to
see if there are other issues?
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whilst doing a srcub
Date: Wed, 20 Feb 2013 15:24:32 +
From: suravee.suthikulpa...@amd.com
To: masterc...@hotmail.com
Subject: [Bug 1073384] Re: AMD-Vi: Completion-Wait loop timed out
Actually, the patch should not have affected the IOMMU performance. I'm
not quite familiar with ZFS
I have a couple questions here:
1) Are you running in some sort of virtual machine? Looking at the old
log files you sent along in the var log.zip, it seems like you are
running virtual box.
2) How are you setting up your system?
3) How are you setting up your zfs? Are you using the zfs-fuse
verified IMMOU was indeed turned on
system is stable and no AMD-vi issue in the last few days but the
system no longer has the performance gains that enabling IMMOU had (
which was normally 10x the speed when accessing data )
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I have recently submitted a patch (http://marc.info/?l=linux-
kernelm=135905510523514w=2) to implement workaround for an erratum
which might be related to IOMMU stop processing commands as discussed
here (http://marc.info/?l=linux-kernelm=135867802432660w=2). It
should be now included upstream
attached var log files created during 3.8 kernel tries
if their is anything else you would need to find this problem let me
know
I really need iommu back on pc is so slow without it
** Attachment added: var log.zip
-ppa/mainline/
http://kernel.ubuntu.com/%7Ekernel-ppa/mainline/
which one ?
Master CATZ
Date: Thu, 3 Jan 2013 16:45:31 +
From: joseph.salisb...@canonical.com
To: masterc...@hotmail.com
Subject: [Bug 1073384] Re: AMD-Vi: Completion-Wait loop timed out
Would it be possible
ok will try rc2 I did not use it because it was the same date as the daily
i did try rc1 and it failed in under 1 hr
Date: Fri, 4 Jan 2013 17:18:46 +
From: joseph.salisb...@canonical.com
To: masterc...@hotmail.com
Subject: Re: [Bug 1073384] Re: AMD-Vi: Completion-Wait loop timed out
Would it be possible for you to test the latest upstream kernel? Refer
to https://wiki.ubuntu.com/KernelMainlineBuilds . Please test the latest
v3.8 kernel[0] (Not a kernel in the daily directory) and install both
the linux-image and linux-image-extra .deb packages.
If this bug is fixed in the
v3.8-rc1-raring/22-Dec-2012 02:58- v3.8-rc2-raring/
http://kernel.ubuntu.com/~kernel-ppa/mainline/
which one ?
Master CATZ
Date: Thu, 3 Jan 2013 16:45:31 +
From: joseph.salisb...@canonical.com
To: masterc...@hotmail.com
Subject: [Bug 1073384] Re: AMD-Vi: Completion-Wait loop timed out
Thank you for taking the time to report this bug and helping to make
Ubuntu better. This bug did not have a package associated with it, which
is important for ensuring that it gets looked at by the proper
developers. You can learn more about finding the right package at
** Tags added: apport-collected
** Description changed:
AMD-Vi: Completion-Wait loop timed out
I have an F2A85X-UP4 with 32 Gig Ram and amd-a10-5800k
I have disabled turbo and any thing that might change in cpu freq
I also disabled cpu virtualization
I have a feeling
It has been running rock solid with IOMMU off
and I just rebooted now to turn IOMMU back on to see how it goes ( last
time it lasted a few days instead of minutes )
# uname -a
Linux aio 3.6.8-030608-generic #201211271040 SMP Tue Nov 27 15:41:16 UTC 2012
x86_64 x86_64 x86_64 GNU/Linux
this is
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