-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 On 27/03/12 11:11, Tony Vroon wrote: > No DMAR complaints in dmesg yet; it would have crashed by now if > the fault was present. To confirm, it is stable. So ppgtt + VT-d is problematic on: 00:02.0 VGA compatible controller [0300]: Intel Corporation 2nd Generation Core Processor Family Integrated Graphics Controller [8086:0126] (rev 09) (prog-if 00 [VGA controller]) Subsystem: Fujitsu Limited. Device [10cf:15e9] Flags: bus master, fast devsel, latency 0, IRQ 42 Memory at e0000000 (64-bit, non-prefetchable) [size=4M] Memory at d0000000 (64-bit, prefetchable) [size=256M] I/O ports at 3000 [size=64] Expansion ROM at <unassigned> [disabled] Capabilities: [90] MSI: Enable+ Count=1/1 Maskable- 64bit- Capabilities: [d0] Power Management version 2 Capabilities: [a4] PCI Advanced Features Kernel driver in use: i915 For the avoidance of doubt, it is a mobile Core i7 part: cpu family : 6 model : 42 model name : Intel(R) Core(TM) i7-2620M CPU @ 2.70GHz stepping : 7 microcode : 0x25 Prior to the crash, I see: DRHD: handling fault status reg 3 DMAR:[DMA Write] Request device [00:02.0] fault addr 12806b000 DMAR:[fault reason 05] PTE Write access is not set DRHD: handling fault status reg 3 DMAR:[DMA Write] Request device [00:02.0] fault addr 128183000 DMAR:[fault reason 05] PTE Write access is not set DRHD: handling fault status reg 3 DMAR:[DMA Write] Request device [00:02.0] fault addr 4147562000 DMAR:[fault reason 05] PTE Write access is not set DRHD: handling fault status reg 3 DMAR:[DMA Write] Request device [00:02.0] fault addr 4147562000 DMAR:[fault reason 05] PTE Write access is not set So I believe a bisection should point at commit e21af88d39796c907c38648c824be3d646ffbe35, but I am willing to run one if you really feel there is more to it? Regards, - -- Tony Vroon UNIX systems administrator London Internet Exchange Ltd, Trinity Court, Trinity Street, Peterborough, PE1 1DA Registered in England number 3137929 E-Mail: tony@xxxxxxxx -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.18 (GNU/Linux) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org/ iEYEARECAAYFAk9xlUEACgkQp5vW4rUFj5q9mACgkyyW7PNZ4/vne++JXDrESaE8 D4AAn1hzqKHoMlwDCWxI+TbVkzrEZfGj =SBBH -----END PGP SIGNATURE----- _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/dri-devel
