On Tue, Mar 04, 2014 at 10:30:19AM +0000, Sylwester Nawrocki wrote: > On 04/03/14 11:16, Javi Merino wrote: > > Yes, with [1] applied I don't get a kernel panic but the kernel fails > > to boot later on with an Imprecise external abort. Removing the mdma > > nodes from the dts gets rid of that. I guess what's missing is what > > you said: clocks for the mdma devices. > > Is removing mdm0 node enough to fix the boot failure, or both have to be > removed ? Actually, you it's only mdma1. Just removing the mdma1 node from the dt fixes the imprecise external abort. > Unfortunately I don't access to exynos5420 datasheet at the moment, I've > added guys from Samsung Linaro Landing Team at cc, hopefully they can > provide a patch for the clocks driver to fix this. Thanks, Javi > > 8<--- > > [ 8.060000] mmc_host mmc0: Bus speed (slot 0) = 50000000Hz (slot req 52000000Hz, actual 50000000HZ d) > > [ 8.070000] Registering SWP/SWPB emulation handler > > [ 8.075000] s3c-rtc 101e0000.rtc: setting system clock to 2000-01-01 00:00:00 UTC (946684800) > > [ 8.080000] mmc_host mmc0: Bus speed (slot 0) = 100000000Hz (slot req 52000000Hz, actual 50000000HZ ) > > [ 8.090000] Freeing unused kernel memory: 220K (c04c1000 - c04f8000) > > [ 8.100000] Unhandled fault: imprecise external abort (0x1406) at 0x00000000 > > [ 8.105000] mmc0: new high speed DDR MMC card at address 0001 > > [ 8.110000] mmcblk0: mmc0:0001 M4G1FB 3.64 GiB > > [ 8.115000] mmcblk0boot0: mmc0:0001 M4G1FB partition 1 1.00 MiB > > [ 8.120000] mmcblk0boot1: mmc0:0001 M4G1FB partition 2 1.00 MiB > > [ 8.125000] mmcblk0rpmb: mmc0:0001 M4G1FB partition 3 128 KiB > > [ 8.135000] mmcblk0: p1 p2 p3 p4 > > [ 8.140000] Kernel panic - not syncing: Attempted to kill init! exitcode=0x00000007 > > [ 8.140000] > > [ 8.140000] CPU: 0 PID: 1 Comm: init Not tainted 3.14.0-rc5-00002-g691b10f #189 > > [ 8.140000] [<c0013e24>] (unwind_backtrace) from [<c0011238>] (show_stack+0x10/0x14) > > [ 8.140000] [<c0011238>] (show_stack) from [<c038218c>] (dump_stack+0x64/0xb4) > > [ 8.140000] [<c038218c>] (dump_stack) from [<c037f6f4>] (panic+0x8c/0x1dc) > > [ 8.140000] [<c037f6f4>] (panic) from [<c001f178>] (do_exit+0x80c/0x8b8) > > [ 8.140000] [<c001f178>] (do_exit) from [<c001f310>] (do_group_exit+0x3c/0xb0) > > [ 8.140000] [<c001f310>] (do_group_exit) from [<c00298a0>] (get_signal_to_deliver+0x278/0x500) > > [ 8.140000] [<c00298a0>] (get_signal_to_deliver) from [<c001076c>] (do_signal+0x78/0x398) > > [ 8.140000] [<c001076c>] (do_signal) from [<c0010db4>] (do_work_pending+0x64/0xac) > > [ 8.140000] [<c0010db4>] (do_work_pending) from [<c000e460>] (work_pending+0xc/0x20) > > 8<--- -- To unsubscribe from this list: send the line "unsubscribe linux-samsung-soc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html