From mboxrd@z Thu Jan 1 00:00:00 1970 From: pwalmsley@nvidia.com (Paul Walmsley) Date: Tue, 12 May 2015 09:25:48 -0600 Subject: "drm: Add reference counting to blob properties" breaks Tegra124 Jetson TK1 in linux-next In-Reply-To: References: <55517AE5.30700@nvidia.com> Message-ID: <55521B7C.3030708@nvidia.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Hi Daniel, On 05/12/2015 03:06 AM, Daniel Stone wrote: > Hi Paul, > > On 12 May 2015 at 05:00, Paul Walmsley wrote: >> Tegra124 Jetson TK1 hangs during boot in next-20150508 and beyond: >> >> http://nvt.pwsan.com/experimental/linux-next/testlogs/test_next-20150508/20150508101018/boot/tegra124-jetson-tk1/tegra124-jetson-tk1/tegra_defconfig_log.txt >> http://nvt.pwsan.com/experimental/linux-next/testlogs/test_next-20150511/20150511004533/boot/tegra124-jetson-tk1/tegra124-jetson-tk1/tegra_defconfig_log.txt >> >> Reverting commit 672cb1d6aec7da2799afd1b529d5136d84ed2561 ("drm: Add >> reference counting to blob properties") gets it booting again: >> >> http://nvt.pwsan.com/pub/pwalmsley-tester/testlogs/test_20150511204703_3838232431c2636ff539f2354c630c0ca3d4b7ad/20150511204703/boot/tegra124-jetson-tk1/tegra124-jetson-tk1/tegra_defconfig_log.txt >> >> I'm not a DRM expert but maybe one of you knows what's going on here? > Thierry found and fixed the rather stupid bug: not using the cached > 'dev' variable in the one place it would've been useful! > > http://paste.debian.net/175522/ is the fix, which has been squashed in > to the branch and should appear in -next from today. > > Thanks for the report. Great! Thanks everyone for the very fast fix. - Paul