drm i915 hangs on heavy io load

[Norbert Preining]

Hi Dave,

(switched to freedesktop for dri-dvel)

> Does booting with i915.i915_enable_rc6=0 help?

Will try immediately.

> (Daniel, looks like an ironlake).

Sorry, I forgot that one ... how stupid>

>From XOrg.0.log:
...
[ 13535.841] (II) intel(0): Integrated Graphics Chipset: Intel(R) Arrandale
[ 13535.841] (--) intel(0): Chipset: "Arrandale"
...

00:02.0 0300: 8086:0046 (rev 02) (prog-if 00 [VGA controller])
	Subsystem: 17aa:215a
	Flags: bus master, fast devsel, latency 0, IRQ 42
	Memory at f0000000 (64-bit, non-prefetchable) [size=4M]
	Memory at d0000000 (64-bit, prefetchable) [size=256M]
	I/O ports at 1800 [size=8]
	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

00:02.0 VGA compatible controller: Intel Corporation Core Processor Integrated Graphics Controller (rev 02)

Does that make any differences?

Best wishes

Norbert
------------------------------------------------------------------------
Norbert Preining            preining@{jaist.ac.jp, logic.at, debian.org}
JAIST, Japan                                 TeX Live & Debian Developer
DSA: 0x09C5B094   fp: 14DF 2E6C 0307 BE6D AD76  A9C0 D2BF 4AA3 09C5 B094
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