From mboxrd@z Thu Jan 1 00:00:00 1970 From: Pekka Enberg 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: References: <1301395589-8121-1-git-send-email-chris@chris-wilson.co.uk> <20110401114429.GA3526@viiv.ffwll.ch> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Return-path: In-Reply-To: Sender: linux-kernel-owner@vger.kernel.org To: Chris Wilson Cc: Tomas Winkler , intel-gfx@lists.freedesktop.org, linux-kernel@vger.kernel.org, Daniel Vetter , Linus Torvalds , Andrew Morton List-Id: intel-gfx@lists.freedesktop.org On Tue, Apr 5, 2011 at 1:37 PM, Pekka Enberg wrote: > Hi Chris! > > On Tue, Apr 5, 2011 at 1:30 PM, Chris Wilson wrote: >> On Tue, 5 Apr 2011 13:21:08 +0300, Tomas Winkler wrote: >>> On Fri, Apr 1, 2011 at 2:51 PM, Pekka Enberg wrote: >>> > Unfortunately I get a blank screen with after boot: >>> > Nacked-by: Pekka Enberg >> >> 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] [] ? i915_handle_error+0x198/0xed0 [i915] [ 9.310010] [] ? scsi_next_command+0x4a/0x60 [ 9.310010] [] ? scsi_io_completion+0x2f6/0x630 [ 9.310010] [] i915_driver_irq_handler+0x472/0x17f0 [i915] [ 9.310010] [] handle_irq_event_percpu+0x5d/0x210 [ 9.310010] [] ? __do_softirq+0x11c/0x200 [ 9.310010] [] ? __do_softirq+0x11c/0x200 [ 9.310010] [] handle_irq_event+0x4a/0x80 [ 9.310010] [] handle_fasteoi_irq+0x51/0xc0 [ 9.310010] [] handle_irq+0x22/0x30 [ 9.310010] [] do_IRQ+0x5d/0xe0 [ 9.310010] [] common_interrupt+0x13/0x13 [ 9.310010] [ 9.310010] Call Trace: [ 9.310010] [] panic+0x91/0x19e [ 9.310010] [] oops_end+0xea/0xf0 [ 9.310010] [] no_context+0xfb/0x260 [ 9.310010] [] __bad_area_nosemaphore+0x125/0x1e0 [ 9.310010] [] bad_area_nosemaphore+0x13/0x20 [ 9.310010] [] do_page_fault+0x310/0x4c0 [ 9.310010] [] ? up+0x2f/0x50 [ 9.310010] [] ? console_unlock+0x17f/0x1d0 [ 9.310010] [] page_fault+0x25/0x30 [ 9.310010] [] ? i915_handle_error+0x198/0xed0 [i915] [ 9.310010] [] ? scsi_next_command+0x4a/0x60 [ 9.310010] [] ? scsi_io_completion+0x2f6/0x630 [ 9.310010] [] 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