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Date: Mon, 04 Feb 2008 18:27:30 +0100
From: Jiri Slaby <jirislaby@...il.com>
To: David Brownell <dbrownell@...rs.sourceforge.net>
CC: linux-usb@...r.kernel.org, Alan Stern <stern@...land.harvard.edu>,
Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
ashok.raj@...el.com, shaohua.li@...el.com,
anil.s.keshavamurthy@...el.com, Dave Airlie <airlied@...ux.ie>
Subject: DMAR EHCI failures
Hi,
I have this in dmesg:
DMAR:[DMA Write] Request device [00:02.0] fault addr ee1512000
DMAR:[fault reason 05] PTE Write access is not set
PCI-DMA: Intel(R) Virtualization Technology for Directed I/O
DMAR:[DMA Read] Request device [00:1d.7] fault addr 7d5f0000
DMAR:[fault reason 06] PTE Read access is not set
DMAR:[DMA Read] Request device [00:1a.7] fault addr 7d5f1000
DMAR:[fault reason 06] PTE Read access is not set
PCI-GART: No AMD northbridge found.
DMAR:[DMA Read] Request device [00:1a.2] fault addr 7d5f7000
DMAR:[fault reason 06] PTE Read access is not set
CONFIG_DMAR=y
CONFIG_DMAR_GFX_WA=y
CONFIG_DMAR_FLOPPY_WA=y
Without the gfx workaround, there is much more output regarding 00:02.0. Is
there problem with broken hw, bios or drivers?
/sys/firmware/acpi/tables/DMAR:
http://www.fi.muni.cz/~xslaby/sklad/DMAR.bin
dmesg:
http://www.fi.muni.cz/~xslaby/sklad/DMAR.dmesg
# for a in 00:02.0 00:1d.7 00:1a.7 00:1a.2; do lspci -vxxx -s $a; done
00:02.0 VGA compatible controller: Intel Corporation 82G33/G31 Express
Integrated Graphics Controller (rev 02) (prog-if 00 [VGA controller])
Subsystem: Intel Corporation 82G33/G31 Express Integrated Graphics
Controller
Flags: bus master, fast devsel, latency 0, IRQ 16
Memory at ffa80000 (32-bit, non-prefetchable) [size=512K]
I/O ports at ec00 [size=8]
Memory at d0000000 (32-bit, prefetchable) [size=256M]
Memory at ff900000 (32-bit, non-prefetchable) [size=1M]
Capabilities: [90] Message Signalled Interrupts: Mask- 64bit- Queue=0/0
Enable-
Capabilities: [d0] Power Management version 2
00: 86 80 c2 29 07 00 90 00 02 00 00 03 00 00 00 00
10: 00 00 a8 ff 01 ec 00 00 08 00 00 d0 00 00 90 ff
20: 00 00 00 00 00 00 00 00 00 00 00 00 86 80 c2 29
30: 00 00 00 00 90 00 00 00 00 00 00 00 0a 01 00 00
40: 09 00 0b 01 00 00 00 00 01 00 00 00 00 00 00 00
50: 00 00 30 02 49 03 00 00 00 00 00 00 00 00 80 7d
60: 00 00 02 03 00 00 00 00 00 00 00 00 00 00 00 00
70: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
90: 05 d0 00 00 00 00 00 00 00 00 00 00 00 00 00 00
a0: 11 11 00 00 00 00 06 03 00 00 00 00 00 00 00 00
b0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
c0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
d0: 01 00 22 00 00 00 00 00 00 00 00 00 00 01 02 00
e0: 00 00 00 00 00 00 00 00 00 80 00 00 00 00 00 00
f0: 12 00 03 00 00 00 00 00 90 0f 03 00 e4 e0 5b 7d
00:1d.7 USB Controller: Intel Corporation 82801I (ICH9 Family) USB2 EHCI
Controller #1 (rev 02) (prog-if 20 [EHCI])
Subsystem: Intel Corporation 82801I (ICH9 Family) USB2 EHCI Controller #1
Flags: bus master, medium devsel, latency 0, IRQ 23
Memory at ffa7b000 (32-bit, non-prefetchable) [size=1K]
Capabilities: [50] Power Management version 2
Capabilities: [58] Debug port: BAR=1 offset=00a0
Capabilities: [98] Vendor Specific Information <?>
Kernel driver in use: ehci_hcd
Kernel modules: ehci-hcd
00: 86 80 3a 29 06 00 90 22 02 20 03 0c 00 00 00 00
10: 00 b0 a7 ff 00 00 00 00 00 00 00 00 00 00 00 00
20: 00 00 00 00 00 00 00 00 00 00 00 00 86 80 3a 29
30: 00 00 00 00 50 00 00 00 00 00 00 00 0a 01 00 00
40: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
50: 01 58 c2 c9 00 00 00 00 0a 98 a0 20 00 00 00 00
60: 20 20 ff 01 00 00 00 00 01 00 00 01 00 00 08 00
70: 00 00 cf 0f 00 00 00 00 00 00 00 00 00 00 00 00
80: 00 00 00 00 01 00 00 00 00 00 00 00 00 00 00 00
90: 00 00 00 00 00 00 00 00 09 00 06 20 00 00 00 00
a0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
b0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
c0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
d0: 00 00 00 00 00 aa ff 00 00 00 00 00 00 00 00 00
e0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
f0: 00 00 00 00 88 85 40 00 86 0f 02 00 06 17 02 20
00:1a.7 USB Controller: Intel Corporation 82801I (ICH9 Family) USB2 EHCI
Controller #2 (rev 02) (prog-if 20 [EHCI])
Subsystem: Intel Corporation Optiplex 755
Flags: bus master, medium devsel, latency 0, IRQ 19
Memory at ffa7b400 (32-bit, non-prefetchable) [size=1K]
Capabilities: [50] Power Management version 2
Capabilities: [58] Debug port: BAR=1 offset=00a0
Capabilities: [98] Vendor Specific Information <?>
Kernel driver in use: ehci_hcd
Kernel modules: ehci-hcd
00: 86 80 3c 29 06 00 90 22 02 20 03 0c 00 00 00 00
10: 00 b4 a7 ff 00 00 00 00 00 00 00 00 00 00 00 00
20: 00 00 00 00 00 00 00 00 00 00 00 00 86 80 3c 29
30: 00 00 00 00 50 00 00 00 00 00 00 00 03 04 00 00
40: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
50: 01 58 c2 c9 00 00 00 00 0a 98 a0 20 00 00 00 00
60: 20 20 ff 01 00 00 00 00 01 00 00 01 00 00 08 00
70: 00 00 cf 0f 00 00 00 00 00 00 00 00 00 00 00 00
80: 00 00 00 00 01 00 00 00 00 00 00 00 00 00 00 00
90: 00 00 00 00 00 00 00 00 09 00 06 20 00 00 00 00
a0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
b0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
c0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
d0: 00 00 00 00 00 aa ff 00 00 00 00 00 00 00 00 00
e0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
f0: 00 00 00 00 88 85 40 00 86 0f 02 00 06 17 02 20
00:1a.2 USB Controller: Intel Corporation 82801I (ICH9 Family) USB UHCI
Controller #6 (rev 02) (prog-if 00 [UHCI])
Subsystem: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #6
Flags: bus master, medium devsel, latency 0, IRQ 18
I/O ports at d480 [size=32]
Capabilities: [50] Vendor Specific Information <?>
Kernel driver in use: uhci_hcd
00: 86 80 39 29 05 00 90 22 02 00 03 0c 00 00 00 00
10: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
20: 81 d4 00 00 00 00 00 00 00 00 00 00 86 80 39 29
30: 00 00 00 00 50 00 00 00 00 00 00 00 0c 03 00 00
40: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
50: 09 00 06 20 00 00 00 00 00 00 00 00 00 00 00 00
60: 10 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
70: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
90: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
a0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
b0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
c0: 00 2f 00 00 00 00 00 00 00 00 00 00 00 00 00 00
d0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
e0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
f0: 00 00 00 00 00 00 00 00 86 0f 02 00 00 00 00 00
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