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From: Pekka Enberg <penberg@kernel.org>
To: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Tomas Winkler <tomasw@gmail.com>,
	intel-gfx@lists.freedesktop.org, linux-kernel@vger.kernel.org,
	Daniel Vetter <daniel@ffwll.ch>,
	Linus Torvalds <torvalds@linux-foundation.org>,
	Andrew Morton <akpm@linux-foundation.org>
Subject: Re: [Intel-gfx] [PATCH] drm/i915: Disable all outputs early, before KMS takeover
Date: Tue, 5 Apr 2011 17:11:56 +0300
Message-ID: <BANLkTins76X1mOFepqXEQjMEh_hd4Vgw1Q@mail.gmail.com> (raw)
In-Reply-To: <BANLkTi=kXod21RUukrTuMzP5TFqgo4NxRw@mail.gmail.com>

On Tue, Apr 5, 2011 at 1:37 PM, Pekka Enberg <penberg@kernel.org> wrote:
> Hi Chris!
>
> On Tue, Apr 5, 2011 at 1:30 PM, Chris Wilson <chris@chris-wilson.co.uk> wrote:
>> On Tue, 5 Apr 2011 13:21:08 +0300, Tomas Winkler <tomasw@gmail.com> wrote:
>>> On Fri, Apr 1, 2011 at 2:51 PM, Pekka Enberg <penberg@kernel.org> wrote:
>>> > Unfortunately I get a blank screen with after boot:
>>> > Nacked-by: Pekka Enberg <penberg@kernel.org>
>>
>> But until you can tell me where it explodes on your system, we fix
>> issues on several other machines...
>
> Oh, that's nice, you first made the damn thing flicker in 2.6.39-rc1
> and now you're fixing it for others by giving me a blank screen after
> boot?

I compiled i195 drm as module and I now see this with netconsole:

[    4.861272] i8042: No controller found
[    5.260688] Unable to load isight firmware
[    7.120150] usbhid 5-1:1.0: couldn't find an input interrupt endpoint

[    9.310010]
[    9.310010] Pid: 3757, comm: sh Not tainted 2.6.38+ #18 Apple Inc.
MacBook2,1/Mac-F4208CAA
[    9.310010] RIP: 0010:[<0000000000000000>]  [<          (null)>]
       (null)
[    9.310010] RSP: 0018:ffff88003de03d80  EFLAGS: 00010096
[    9.310010] RAX: 000000000000006d RBX: ffff88002e6be000 RCX: 000000000003ffff
[    9.310010] RDX: 0000000000000000 RSI: 0000000000000046 RDI: ffff88002e6be030
[    9.310010] RBP: ffff88003de03de8 R08: 0000000000000000 R09: 0000000000000000
[    9.310010] R10: 0000000000000006 R11: 0000000000000003 R12: ffff88002e5db800
[    9.310010] R13: ffff88002e6be82c R14: ffff88003ad24200 R15: 0000000000000000
[    9.310010] FS:  00007f60f21aa700(0000) GS:ffff88003de00000(0000)
knlGS:0000000000000000
[    9.310010]  [<ffffffffa0061628>] ? i915_handle_error+0x198/0xed0 [i915]
[    9.310010]  [<ffffffff8137d04a>] ? scsi_next_command+0x4a/0x60
[    9.310010]  [<ffffffff8137ddd6>] ? scsi_io_completion+0x2f6/0x630
[    9.310010]  [<ffffffffa0064c62>] i915_driver_irq_handler+0x472/0x17f0 [i915]
[    9.310010]  [<ffffffff810e150d>] handle_irq_event_percpu+0x5d/0x210
[    9.310010]  [<ffffffff8108c56c>] ? __do_softirq+0x11c/0x200
[    9.310010]  [<ffffffff8108c56c>] ? __do_softirq+0x11c/0x200
[    9.310010]  [<ffffffff810e173a>] handle_irq_event+0x4a/0x80
[    9.310010]  [<ffffffff810e42c1>] handle_fasteoi_irq+0x51/0xc0
[    9.310010]  [<ffffffff8103e3a2>] handle_irq+0x22/0x30
[    9.310010]  [<ffffffff81698e0d>] do_IRQ+0x5d/0xe0
[    9.310010]  [<ffffffff8168fad3>] common_interrupt+0x13/0x13
[    9.310010]  <EOI> [    9.310010] Call Trace:
[    9.310010]  <IRQ>  [<ffffffff8168cd0c>] panic+0x91/0x19e
[    9.310010]  [<ffffffff816909ea>] oops_end+0xea/0xf0
[    9.310010]  [<ffffffff8106afbb>] no_context+0xfb/0x260
[    9.310010]  [<ffffffff8106b245>] __bad_area_nosemaphore+0x125/0x1e0
[    9.310010]  [<ffffffff8106b313>] bad_area_nosemaphore+0x13/0x20
[    9.310010]  [<ffffffff816930c0>] do_page_fault+0x310/0x4c0
[    9.310010]  [<ffffffff810ac06f>] ? up+0x2f/0x50
[    9.310010]  [<ffffffff8108652f>] ? console_unlock+0x17f/0x1d0
[    9.310010]  [<ffffffff8168fd25>] page_fault+0x25/0x30
[    9.310010]  [<ffffffffa0061628>] ? i915_handle_error+0x198/0xed0 [i915]
[    9.310010]  [<ffffffff8137d04a>] ? scsi_next_command+0x4a/0x60
[    9.310010]  [<ffffffff8137ddd6>] ? scsi_io_completion+0x2f6/0x630
[    9.310010]  [<ffffffffa0064c62>] i915_driver_irq_handler+0x472/0x17f0 [i915]

This is the same pre-2.6.39-rc1 kernel with the two patches applied.
I'll try latest Linus master next to see if the same problem triggers.

                        Pekka

  parent reply index

Thread overview: 25+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <AANLkTi=VqkYjdiDLJvM-OfmBSGx-EkRkt=4XCDEnvZsU@mail.gmail.com>
2011-03-29 10:46 ` Chris Wilson
2011-03-29 12:23   ` [PATCH] drm/i915: Move the irq wait queue initialisation into the ring init Chris Wilson
2011-03-29 13:05     ` Pekka Enberg
2011-03-29 13:22       ` Chris Wilson
2011-03-29 13:39         ` Pekka Enberg
2011-03-29 14:22           ` Pekka Enberg
2011-03-29 14:32             ` Chris Wilson
2011-03-29 15:21               ` Pekka Enberg
2011-04-01 11:44   ` [PATCH] drm/i915: Disable all outputs early, before KMS takeover Daniel Vetter
2011-04-01 11:51     ` [Intel-gfx] " Pekka Enberg
2011-04-05 10:21       ` Tomas Winkler
2011-04-05 10:30         ` Chris Wilson
2011-04-05 10:37           ` Pekka Enberg
2011-04-05 11:55             ` Tomas Winkler
2011-04-05 14:11             ` Pekka Enberg [this message]
2011-04-05 14:27               ` Chris Wilson
2011-04-05 14:31                 ` [Intel-gfx] " Pekka Enberg
2011-04-05 14:34               ` Chris Wilson
2011-04-05 15:11                 ` Pekka Enberg
2011-04-05 15:32                   ` Chris Wilson
2011-04-05 15:44                     ` Pekka Enberg
2011-04-05 14:42           ` Linus Torvalds
2011-04-05 15:01             ` Keith Packard
2011-04-05 15:12             ` [Intel-gfx] " Chris Wilson
2011-04-05 15:35               ` Pekka Enberg

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