From: Mihai Moldovan <ionic@ionic.de>
To: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: LKML <linux-kernel@vger.kernel.org>
Subject: Re: null pointer dereference while loading i915
Date: Sat, 11 Aug 2012 01:09:24 +0200 [thread overview]
Message-ID: <502594A4.8020905@ionic.de> (raw)
In-Reply-To: <50254887.6030209@ionic.de>
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* On 10.08.2012 07:44 PM, Mihai Moldovan wrote:
> Hm, OK.
>
> Well, I'm done now.
>
> bisect log:
>
> git bisect start
> # good: [805a6af8dba5dfdd35ec35dc52ec0122400b2610] Linux 3.2
> git bisect good 805a6af8dba5dfdd35ec35dc52ec0122400b2610
> # bad: [28a33cbc24e4256c143dce96c7d93bf423229f92] Linux 3.5
> git bisect bad 28a33cbc24e4256c143dce96c7d93bf423229f92
> # good: [49d99a2f9c4d033cc3965958a1397b1fad573dd3] Merge branch 'for-linus' of
> git://oss.sgi.com/xfs/xfs
> git bisect good 49d99a2f9c4d033cc3965958a1397b1fad573dd3
> # good: [813a95e5b4fa936bbde10ef89188932745dcd7f4] Merge tag 'pinctrl' of
> git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
> git bisect good 813a95e5b4fa936bbde10ef89188932745dcd7f4
> # bad: [9978306e31a8f89bd81fbc4c49fd9aefb1d30d10] Merge branch 'for-linus' of
> git://oss.sgi.com/xfs/xfs
> git bisect bad 9978306e31a8f89bd81fbc4c49fd9aefb1d30d10
> # good: [927ad551031798d4cba49766549600bbb33872d7] Merge tag
> 'ktest-v3.5-spelling' of
> git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-ktest
> git bisect good 927ad551031798d4cba49766549600bbb33872d7
> # good: [2c01e7bc46f10e9190818437e564f7e0db875ae9] Merge branch 'for-linus' of
> git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
> git bisect good 2c01e7bc46f10e9190818437e564f7e0db875ae9
> # bad: [5f54d29ee9dace1e2ef4e8c9873ad4dd7a06d11a] drm/nva3/pm: make pll->pll
> mode work
> git bisect bad 5f54d29ee9dace1e2ef4e8c9873ad4dd7a06d11a
> # bad: [8b2e326dc7c5aa6952c88656d04d0d81fd85a6f8] drm/i915: Unconditionally
> initialise the interrupt workers
> git bisect bad 8b2e326dc7c5aa6952c88656d04d0d81fd85a6f8
> # bad: [f637fde434c9e3687798730c7ddd367e93666013] drm/i915: inline
> enable/disable_irq into ring->get/put_irq
> git bisect bad f637fde434c9e3687798730c7ddd367e93666013
> # bad: [23e3f9b37e7368ee8530ba99907508363feebc14] drm/i915: check for disabled
> interrupts on ValleyView
> git bisect bad 23e3f9b37e7368ee8530ba99907508363feebc14
> # good: [8489731c9bd22c27ab17a2190cd7444604abf95f] drm/i915: move clflushing
> into shmem_pread
> git bisect good 8489731c9bd22c27ab17a2190cd7444604abf95f
> # good: [3bd7d90938f1fe77de5991dc4b727843c4980b2a] drm/i915/intel_i2c: refactor
> using intel_gmbus_get_adapter
> git bisect good 3bd7d90938f1fe77de5991dc4b727843c4980b2a
> # bad: [57f350b6722f9569f407872f6ead56e2d221d98a] drm/i915: add DPIO support
> git bisect bad 57f350b6722f9569f407872f6ead56e2d221d98a
> # bad: [93e537a10f2c8c0f2e74409b6cb473fc221758fa] drm/i915: split LVDS update
> code out of i9xx_crtc_mode_set
> git bisect bad 93e537a10f2c8c0f2e74409b6cb473fc221758fa
> # bad: [f2c9677be3158c31ba19f527e2be0f7a519e19d1] drm/i915/intel_i2c: allocate
> gmbus array as part of drm_i915_private
> git bisect bad f2c9677be3158c31ba19f527e2be0f7a519e19d1
> # bad: [2ed06c93a1fce057808894d73167aae03c76deaf] drm/i915/intel_i2c: gmbus
> disabled and reserved ports are invalid
> git bisect bad 2ed06c93a1fce057808894d73167aae03c76deaf
Just to be safe, I also tested git HEAD (3.6.0-rc1-00209-gf62bf17), no dice either.
Best regards,
Mihai
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next prev parent reply other threads:[~2012-08-10 23:09 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-08-08 4:50 null pointer dereference while loading i915 Mihai Moldovan
2012-08-10 10:10 ` Daniel Vetter
2012-08-10 16:05 ` Mihai Moldovan
2012-08-10 16:39 ` Daniel Vetter
2012-08-10 17:44 ` Mihai Moldovan
2012-08-10 23:09 ` Mihai Moldovan [this message]
2012-08-13 14:33 ` [PATCH 0/1] hopefully fix null pointer dereference on i915 load Jani Nikula
2012-08-13 14:33 ` [PATCH 1/1] drm/i915: ensure i2c adapter is all set before adding it Jani Nikula
2012-08-13 17:05 ` Daniel Vetter
2012-08-13 15:03 ` [PATCH 0/1] hopefully fix null pointer dereference on i915 load Mihai Moldovan
2012-08-13 15:09 ` Daniel Vetter
2012-08-13 15:27 ` Mihai Moldovan
2012-08-13 16:15 ` Mihai Moldovan
2012-08-14 6:17 ` Jani Nikula
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