On Tue, Jun 8, 2010 at 4:12 AM, Andrew Lutomirski <l...@mit.edu> wrote:
> On my trusty X200s (GM45), I still have such frequent i915 hotplug
> storms that any standard kernel is essentially unusable.
>
[...]
>
> I'll try selectively disabling outputs and seeing if I can narrow it down.
This patch did *not* fix it:
diff --git a/drivers/gpu/drm/i915/intel_sdvo.c b/drivers/gpu/drm/i915/intel_sdvo
index 87d9536..448ad7a 100644
--- a/drivers/gpu/drm/i915/intel_sdvo.c
+++ b/drivers/gpu/drm/i915/intel_sdvo.c
@@ -2779,6 +2779,7 @@ bool intel_sdvo_init(struct drm_device *dev, int sdvo_reg)
u8 ch[0x40];
int i;
+ return false;
intel_encoder = kcalloc(sizeof(struct intel_encoder)+sizeof(struct intel
if (!intel_encoder) {
The output looked like this:
[ 109.480089] hotplug event received, iir 0x00020000, stat
0x20200000, mask 0x38000800
[ 109.666704] hotplug event received, iir 0x00020000, stat
0x20200000, mask 0x38000800
[ 109.668747] hotplug event received, iir 0x00020000, stat
0x20200000, mask 0x38000800
[ 109.669083] hotplug event received, iir 0x00020000, stat
0x28200000, mask 0x38000800
[ 109.670007] hotplug event received, iir 0x00020000, stat
0x28200000, mask 0x38000800
[ 109.670218] hotplug event received, iir 0x00020000, stat
0x28200000, mask 0x38000800
[ 109.670656] hotplug event received, iir 0x00020000, stat
0x08200000, mask 0x38000800
[ 109.671394] hotplug event received, iir 0x00020000, stat
0x20200000, mask 0x38000800
And it kept happening (in bursts of a couple seconds with a few
seconds of silence between) even after I switched to a console and did
killall -STOP Xorg.
Time for the next try.
--Andy
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