From mboxrd@z Thu Jan 1 00:00:00 1970
From: bugzilla-daemon@bugzilla.kernel.org
Subject: [Bug 42782] IO_PAGE_FAULT while starting xorg
Date: Tue, 26 Jun 2012 15:11:16 +0000 (UTC)
Message-ID: <20120626151116.725DE11F7E8@bugzilla.kernel.org>
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--- Comment #11 from Reartes Guillermo 2012-06-26 15:11:16 ---
I booted with iommu=pt kernel parameter and i stopped getting these messages.
I am experimenting with pcie kvm pass-through, so i ended using that parameter.
Sadly the whole host freezes when i power on the guest, but that is outside of
this bug-report.
> In my case, it only happens at POWER-ON, not when doing a RESET.
> So to reproduce it one must POWER-CYCLE.
I don't think that was actually not 100% accurate.
~~~~~~~~
# dmesg| grep -i amd-vi
[ 1.774021] AMD-Vi: device: 00:00.2 cap: 0040 seg: 0 flags: 3e info 1300
[ 1.774024] AMD-Vi: mmio-addr: 00000000feb20000
[ 1.774259] AMD-Vi: DEV_SELECT_RANGE_START devid: 00:00.0 flags: 00
[ 1.774262] AMD-Vi: DEV_RANGE_END devid: 00:00.2
[ 1.774264] AMD-Vi: DEV_SELECT devid: 00:02.0 flags:
00
[ 1.774266] AMD-Vi: DEV_SELECT_RANGE_START devid: 01:00.0 flags: 00
[ 1.774268] AMD-Vi: DEV_RANGE_END devid: 01:00.1
[ 1.774270] AMD-Vi: DEV_SELECT devid: 00:04.0 flags:
00
[ 1.774272] AMD-Vi: DEV_SELECT devid: 02:00.0 flags:
00
[ 1.774274] AMD-Vi: DEV_SELECT devid: 00:05.0 flags:
00
[ 1.774275] AMD-Vi: DEV_SELECT devid: 03:00.0 flags:
00
[ 1.774277] AMD-Vi: DEV_SELECT devid: 00:06.0 flags:
00
[ 1.774279] AMD-Vi: DEV_SELECT devid: 04:00.0 flags:
00
[ 1.774281] AMD-Vi: DEV_SELECT devid: 00:09.0 flags:
00
[ 1.774283] AMD-Vi: DEV_SELECT devid: 05:00.0 flags:
00
[ 1.774284] AMD-Vi: DEV_SELECT devid: 00:11.0 flags:
00
[ 1.774286] AMD-Vi: DEV_SELECT_RANGE_START devid: 00:12.0 flags: 00
[ 1.774288] AMD-Vi: DEV_RANGE_END devid: 00:12.2
[ 1.774290] AMD-Vi: DEV_SELECT_RANGE_START devid: 00:13.0 flags: 00
[ 1.774292] AMD-Vi: DEV_RANGE_END devid: 00:13.2
[ 1.774294] AMD-Vi: DEV_SELECT devid: 00:14.0 flags:
d7
[ 1.774296] AMD-Vi: DEV_SELECT devid: 00:14.3 flags:
00
[ 1.774297] AMD-Vi: DEV_SELECT devid: 00:14.4 flags:
00
[ 1.774300] AMD-Vi: DEV_ALIAS_RANGE devid: 06:00.0 flags:
00 devid_to: 00:14.4
[ 1.774302] AMD-Vi: DEV_RANGE_END devid: 06:1f.7
[ 1.774311] AMD-Vi: DEV_SELECT devid: 00:14.5 flags:
00
[ 1.774313] AMD-Vi: DEV_SELECT devid: 00:15.0 flags:
00
[ 1.774315] AMD-Vi: DEV_SELECT devid: 07:00.0 flags:
00
[ 1.774317] AMD-Vi: DEV_SELECT devid: 00:15.1 flags:
00
[ 1.774319] AMD-Vi: DEV_SELECT devid: 08:00.0 flags:
00
[ 1.774320] AMD-Vi: DEV_SELECT_RANGE_START devid: 00:16.0 flags: 00
[ 1.774322] AMD-Vi: DEV_RANGE_END devid: 00:16.2
[ 1.774428] AMD-Vi: Enabling IOMMU at 0000:00:00.2 cap 0x40
[ 1.827755] AMD-Vi: Initialized for Passthrough Mode
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