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From: Joerg Roedel <joro-zLv9SwRftAIdnm+yROfE0A@public.gmane.org>
To: Jason Newton <nevion-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
Cc: linux-wireless-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	iommu
	<iommu-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org>
Subject: Re: ath9k and AMD IOMMU alias breakage on 3.16?
Date: Fri, 12 Sep 2014 18:17:52 +0200	[thread overview]
Message-ID: <20140912161752.GV28786@8bytes.org> (raw)
In-Reply-To: <CAGou9Mg+5GhUUECM4qurF6UzhLMARgeCtbL020U9y0Vs7aFGoA-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>

Hi Jason,

On Fri, Sep 05, 2014 at 10:28:01PM -0700, Jason Newton wrote:
> [    0.021820] AMD-Vi: device: 00:00.2 cap: 0040 seg: 0 flags: b8 info 0000
> [    0.021827] AMD-Vi:        mmio-addr: 00000000feb80000
> [    0.021844] AMD-Vi:   DEV_SELECT_RANGE_START	 devid: 00:01.0 flags: 00
> [    0.021848] AMD-Vi:   DEV_RANGE_END		 devid: ff:1f.6
> [    0.022730] AMD-Vi:   DEV_ALIAS_RANGE		 devid: 02:00.0 flags: 00 devid_to: 00:14.4
> [    0.022735] AMD-Vi:   DEV_RANGE_END		 devid: 02:1f.7
> [    0.022745] AMD-Vi:   DEV_SPECIAL(HPET[0])		devid: 00:14.0
> [    0.022749] AMD-Vi:   DEV_SPECIAL(IOAPIC[5])		devid: 00:14.0
> [    0.022753] AMD-Vi:   DEV_SPECIAL(IOAPIC[6])		devid: 00:00.0

It is just a test, as I don't know how the hardware is actually wired in
your system, but can you try to boot with 'ivrs_ioapic[6]=00:00.1' on
the kernel command line and report if it makes any difference?

Thanks,

	Joerg

  parent reply	other threads:[~2014-09-12 16:17 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <CAGou9MhCmRajqfh91rxbBUr9PBvJxo7U=g9p4Onp0pJk4BwBnA@mail.gmail.com>
     [not found] ` <CAGou9MhCmRajqfh91rxbBUr9PBvJxo7U=g9p4Onp0pJk4BwBnA-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2014-09-06  4:01   ` ath9k and AMD IOMMU alias breakage on 3.16? Alex Williamson
     [not found]     ` <1409976104.2982.56.camel-85EaTFmN5p//9pzu0YdTqQ@public.gmane.org>
2014-09-06  5:28       ` Jason Newton
     [not found]         ` <CAGou9Mg+5GhUUECM4qurF6UzhLMARgeCtbL020U9y0Vs7aFGoA-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2014-09-12 16:17           ` Joerg Roedel [this message]
     [not found]             ` <20140912161752.GV28786-zLv9SwRftAIdnm+yROfE0A@public.gmane.org>
2014-09-12 21:19               ` Jason Newton
2014-09-08 10:32       ` Joerg Roedel

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