Linux IOMMU Development
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From: Joerg Roedel <joro-zLv9SwRftAIdnm+yROfE0A@public.gmane.org>
To: "G. Richard Bellamy" <rbellamy-1/AleqyZJC8ybS5Ee8rs3A@public.gmane.org>
Cc: iommu-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org
Subject: Re: AMD-Vi: Event logged [INVALID_DEVICE_REQUEST device=00:14.0 address=0x000000fdf9103300 flags=0x0600]
Date: Wed, 14 Oct 2015 11:06:49 +0200	[thread overview]
Message-ID: <20151014090649.GI27420@8bytes.org> (raw)
In-Reply-To: <CADw2B2Mzo2DbMMiyTVjBGVc4-f6Koa6sWQjoLmfX7NZ3B4+saA-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>

On Sat, Oct 03, 2015 at 05:19:25PM -0700, G. Richard Bellamy wrote:
> What happens: Kernel logs message to journal, kvm VMs no longer work. Kernel messages spew at a rate of ~660/sec.

The problem is that device 00:14.0 is trying to write to the system
management area and is forbidden to do so by the IOMMU. Can you please
boot with amd_iommu_dump on the kernel command line and send me dmesg?


Thanks,

	Joerg

  parent reply	other threads:[~2015-10-14  9:06 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-10-04  0:19 AMD-Vi: Event logged [INVALID_DEVICE_REQUEST device=00:14.0 address=0x000000fdf9103300 flags=0x0600] G. Richard Bellamy
     [not found] ` <CADw2B2Mzo2DbMMiyTVjBGVc4-f6Koa6sWQjoLmfX7NZ3B4+saA-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2015-10-11 19:37   ` G. Richard Bellamy
2015-10-14  9:06   ` Joerg Roedel [this message]
     [not found]     ` <20151014090649.GI27420-zLv9SwRftAIdnm+yROfE0A@public.gmane.org>
2015-10-14 16:05       ` G. Richard Bellamy
     [not found]         ` <CADw2B2MzAMhNX5x9kZ5MN0mAh24ttDu=23EGVLy2aq6Paik4tQ-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2015-10-14 16:33           ` Joerg Roedel
     [not found]             ` <20151014163338.GR27420-zLv9SwRftAIdnm+yROfE0A@public.gmane.org>
2015-10-14 23:47               ` G. Richard Bellamy
     [not found]                 ` <CADw2B2MnBKOMvXOFNKo0-awM5oA7aYnEz0JgCqqOToVYYuzjZQ-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2015-10-16  6:28                   ` G. Richard Bellamy
     [not found]                     ` <CADw2B2N3VZdXVWTtotomZ2pZ3xb8ZEot=TR7j1gUq7-FM_R41w-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2015-10-16  9:02                       ` Joerg Roedel
     [not found]                         ` <20151016090254.GU27420-zLv9SwRftAIdnm+yROfE0A@public.gmane.org>
2015-10-16 22:02                           ` G. Richard Bellamy
     [not found]                             ` <CADw2B2PR7C1Uz+ewRM+686dZg7dPFRZ5szbfNqhSCFp-AG3zpA-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2015-10-16 22:02                               ` G. Richard Bellamy

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