On Fri, Feb 14, 2014 at 09:33:54AM +0000, Nick Hudson wrote: > On 02/13/14 18:47, Andre Heider wrote: > >On Wed, Feb 12, 2014 at 08:00:18PM -0700, Stephen Warren wrote: > >>On 02/12/2014 11:52 AM, Andre Heider wrote: > >>>Hi guys, > >>> > >>>I just tried today's Linus' master (45f7fdc2ff) with usb-linus (3635c7e2d5) > >>>merged on top to give the latest dwc2 fixes another try. > >>>Unfortunately I'm getting various crashes on system startup. Kernel boots > >>>fine, dwc2 and the integrated smsc95xx are detected, but somewhere in the > >>>init sequence the system panics. > >>I haven't ever seen crashes like that, when running linux-next. I also > >>merged those two exact commits together and didn't see any issue in 10 > >>boot cycles. > >Same thing here with linux-next (Linux rpi 3.14.0-rc2-next-20140213-rpi). > >The last traces has systemd in there, but good old sysvinit crashed > >spectacular too. > > > >>FWIW, I am running: > >>* A rev2 Model B > >>* Firmware commit 9c3d7b6 "Add latest linaro gcc toolchain: > >>gcc-linaro-arm-linux-gnueabihf-raspbian-2012.08-20120724_linux" > >>* Upstream U-Boot (very recent) and kernel > >>* Using Ubuntu 13.10's packaged ARM cross-compiler > >Huh, switching compilers made a difference... > > > >I was using debian's cross compiler [0], 4.8.2, which has a couple of > >patches [1]. > > > >With my old self compiled and unpatched toolchains I didn't yet get > >any crashes, I tried: > >binutils 2.20 + gcc 4.4.4 > >binutils 2.21.1 + gcc 4.4.7 > >binutils 2.23.1 + gcc 4.7.1 > >binutils 2.24 + gcc 4.7.2 > > > >but with these versions (also unpatched) I do get the crashes: > >binutils 2.23.2 + gcc 4.8.1 > >binutils 2.24 + gcc 4.8.2 > > I saw problems with 4.8 on NetBSD/evbarm and my RaspberryPI. They were fixed > by changes to the gcc-4_8-branch some time after 4.8.2. It seems this is gcc bug 58854 [0]. Applying [1] to vanilla 4.8.2 fixes the panics for me. [0] http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58854 [1] http://gcc.gnu.org/git/?p=gcc.git;a=patch;h=d8e03d55d2e9801086aa8da2f9c347510aef8e11 -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
