On Thu 2014-12-25 09:32:40, Pali Rohár wrote: > On Wednesday 24 December 2014 23:57:38 Nishanth Menon wrote: > > based on automated testing with u-boot as a chained > > bootloader.. > > > > v3.18: boots fine: > > https://github.com/nmenon/kernel-test-logs/blob/v3.18/omap2plu > > s_defconfig/n900.txt > > > > v3.19-rc1: hung > > https://github.com/nmenon/kernel-test-logs/blob/v3.19-rc1/omap > > 2plus_defconfig/n900.txt > > > > in the interim, my farm had a bit of breakdown around the time > > of n900 breakdown.. > > > > as per my last functional linux-next logs: > > https://github.com/nmenon/kernel-test-logs/blob/next-20141204/ > > omap2plus_defconfig/n900.txt -> hung. > > https://github.com/nmenon/kernel-test-logs/blob/next-20141112/ > > omap2plus_defconfig/n900.txt -> working. > > > > DEBUG_LL, CONFIG_DEBUG_OMAP3UART3=y and early_printk did not > > yield information either Early hang, independend on config. That's "dtb too big". Delete something, and it should work again. Plus you'll note video regression. # > I test-merged 3315764efceaccfb02c7d4c99ef8eed6716cd861, and boom, # > video is gone. # # I reverted # # > 4b4123f0c7b02f7cf1a3189f967f079197578c3a..9051909e451a0368c95ccf74562adb53fd2719f8 # in 3.19, and voila, video is back. > CCing other people. > > I see same problem in qemu with 3.19-rc1 kernel when doing DT > boot. In qemu I'm using direct booting from OneNAND (X-Loader --> > NOLO --> kernel) without U-Boot. After NOLO load & boot kernel I > do not see any other output from serial console. Also on qemu > screen there is no new output (just NOKIA logo from bootloader). > > I do not have this problem when doing legacy/board code boot with > 3.19-rc1 kernel, so this problem is related to DT. > > Kernel 3.18-rc1 worked fine for both DT and legacy boot. > > Can somebody look what broke DT booting? It was too big dtb, at least for me. Pavel -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
