Hello, Both on kgene's for-next 053341b6993a3e838cfa35c9f594fb94ee3da9ce and on Linus' 401c58fcbbf570e7e4a8ee0e21ffd829deb4de0b my Arndale Octa board fails to boot with an "Unhandled fault: synchronous external abort (0x210)". This is a regression from v3.15, 100% reproducible. [ 6.251931] s3c-rtc 101e0000.rtc: setting system cloco to 2000-01-01 21:56:23 UTC (946763783) [ 6.253401] Unable to find PPMU node [ 6.253461] exynos5-bus-int: probe of exynos5-bus-int failed with error -2 [ 6.268412] clk: Not disabling unused clocks [ 6.310161] Unhandled fault: synchronous external abort (0x210) X���17403d 6.316467] Internal error: : 210 [#1] PREEMPT SMP ARM [ 6.321576] Modules linked in: [ 6.324613] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 3.16.0-rc1-00330-g401c58f #2 [ 6.332151] task: ecc12000 ti: ecc84000 task.ti: ecc84000 [ 6.337529] PC is at n_tty_open+0x68/0x118 [ 6.341598] LR is at n_tty_open+0x64/0x118 [ 6.3�M��pc : [c023007c>] lr : [<c0230078>] psr: a0000113 [ 6.345670] sp : ecc85d10 ip : 00000003 fp : 00000000 [ 6.357106] r10: 00000002 r9 : c0MV"� r8 : 0500001 [ 6.362305] r7 : 0000224c r6 : eb1fd800 r5 : 00000000 r4 : f0174000 [ 6.368804] r3 : f0176294 r2 : c061305c r1 : c04dd17c r0 : f0176280 [ 6.375304] Flags: NzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment kernel [ 6.382582] Control: 30c5387d Table: 20003000 DAC: fffffff�C�+�r�����Process swpper/0 (pid: 1, stack limit = 0xecc84240) [ 6.394280] Stack: (0xecc85d10 to 0xecc86000) [ 6.398615] 5d00: c0230014 eb1fd800 eb1fd9bc eb2f1e80 [ 6.406761] 5d20: c040ca0��33ef8 0000000 eb2f1e80 eb1fd800 c0234550 ece91800 eb1fd800 [ 6.414906] 5d40: 00000003 c0��,V*��5e70 c006ba0 eb33e100 00000001 ece91800 c022db48 [ 6.423051] 5d60: eb40482p c05c1428 c06134c0 c05d66b0 00000001 00000003 00000001 c0613020 [ 6.431196] 5d80: eb404820 eb33e100 c040ca04 00000000 00000000 00000000 ecc85e70 c00d8880 [ 6.439343] 5da0: eb33e108 00000000 00000003 eb33e100 eb404820 eb33e108 c00d87e4 c00d2e2c [ 6.447488] 5dc0: 00000000 ecc85e6c ecc85f34 00000002 00000000 00000000 00000000 c00d3108 [ 6.455633] 5de0: ecc85eb0 c00g056c ecc84000 c00de4a0 c0599ed0 ecc01d80 00000001 ecc84030 [ 6.463779] 5e00: eb33e100 00000026 eb402558 00000000 00000000 00000000 0f4756ea 00000007 [ 6.471925] 5e20: eb311015 eb404820 eb33e100 eb33e100 ecc85eb0 ec,�2�4 ec85e70 ffffff9c [ 6.480070] 5e40: 00000000 00000000 ecc84000 c00e0e70 ecc85e6c c05c5e70 ecc85e88 ecc85f2e [ 6.488215] 5e60: c05c5e94 80000113 00000000 00000000 ecc1d3d0 eb402688 00000000 00000000 [ 6.496361] 5e80: 00000000 ecc85f34 00000001 eb311000 ffffff9c c0553514 00000085 c057b630 [ 6.504506] 5ea0: c057b628 c00e22c4 00000041 00000000 ecc1d3d0 eb402688 0f4756ea 00000007 [ 6.511578] usb 1-1.4: new high-spe�d USB device number 3 using exynos-ehci [ 6.519584] 5ec0: eb311015 c05ab500 00000000 eb402000 eb404820 00000101 00000004 00000018 [ 6.527729] 5ee0: 00000000 00000000 ecc86008 c03e8db8 00000002 c00edfe4 c05fd1d0 00000002 [ 6.535875] 5f00: 00000001 00000002 eb311000 ffffff9c c05d6740 00000002 eb311000 ffffff9c [ 6.544020] 5f20: 00000000 c00d4088 00000085 0p006fbc 00000000 00000002 00000000 00�����j [ 6.552166] 5f40: 00000100 00000001 c05d6740 c0595360 00000007 c05���5d6740 0553514 [ 6.560312] 5f60: 00000085 c0553d20 00000007 00000007 c0553514 c03e8�3c ebb7a700 c004fb00 [ 6.568456] 5f80: 2b5e3000 c05d6740 g03dff8c 00000000 00000000 00��������������������j [ 6.57602] 5fa0: 00000000 c03dff9c 00000000 c001c9b8 00000000 0���������������������j [ 6.54747] 5fc0: 00000000 00000000 00000000 00000000 00����������������������������j [ 6.92893] 5fe0: 0p000000 00000000 00000000 00000000 00000013 00000000 ecc85ff4 00000000 [ 6.601049] [<c023007c>] (n_tty_open) from [<c0233ef8>] (tty_ldisc_open.isra.4+0x3c/0x7c) [ 6.609189] [<c0233ef8>] (tty_ldisc_open.isra.4) from [<c0234550>] (tty_ldisc_setup+0x18/0x58) [ 6.617768] [<c0234550>] (tty_ldisc_setup) from [<c022cfe0>] (tty_init_dev+0xa0/0x198) [ 6.625654] [<c022cfe0>] (tty_init_dev) from [<c022db48>] (tty_open+0x2c8/0x5bc) [ 6.633019] [<c022db48>] (tty_open) from [<c00d8880>] (chrdev_open+0x9c/0x178) [ 6.640212] [<c00d8880>] (chrdev_open) from [<c00d2e2c>] (do_dentry_open.isra.15+0xdc/0x2e8) [ 6.648617] [<c00d2e2c>] (do_dentry_open.isra.15) from [<c00d3108>] (finish_open+0x20/0x38) [ 6.656939] [<c00d3108>] (finish_open) from [<c00e056c>] (do_last.isra.55+0x3e8/0xc38) [ 6.664821] [<c00e056c>] (do_las|.isra.55) from [<c00e0e70>] (path_openat+0xb4/0x5e0) [ 6.672620] [<c00e0e70>] (path_openat) from [<c00e22c4>] (do_filp_open+0x2c/0x80) [ 6.680072] [<c00e22c4>] (do_filp_open) from [<c00d4088>] (do_sys_open+0x10�/0x1d0) [ 6.687696] [<c00d4088>] (do_sys_open) from [<c0553d20>] (kernel_init_freeable+0x160/0x1d8) [ 6.696017] [<c0553d20>] (kernel_init_freeable) from [<c03dff9c>] (kernel_ini[ 6.704165] [<c03dff9c>] (kernel_init) from [<c001c9b8>] (ret_from_fork+0x14/0x3c) [ 6.711698] Code: e34c104d e34c2061 ebf8d227 e5864224 (e5d4303d) [ 6.717766] ---[ end trace 67957db0672cb23f ]--- [ 6.722430] Kernel panic - not syncing: Attempted to kill init! exitcode=0x0000000b [ 6.722430] [ 6.ӊ���CPU3: stpping [ 6.734141] CPU: 3 PID: 0 Comm: swapper/3 Tainted: G D 3.16.0-rc1-00330-g401c58f #2 [ 6.742730] [<c00226d4>] (unwind_backtrace) from [<c001f890>] (show_stack+0x10/0x14) [ 6.750439] [<c001f890>] (show_stack) from [<c03e38cc>] (dump_stack+0x80/0xc0) [ 6.757628] [<c03e38cc>] (dump_stack) from [<c0021978>] (handle_IPI+0x17c/0x38c) [ 6.764992] [<c0021978>] (handle_IPI) from [<c0008640>] (gic_handle_irq+0x64/0x68) [ 6.772530] [<c0008640>] (gic_handle_irq) from [<c00203c0>] (__irq_svc+0x40/0x70) [ 6.779977] Exception stack(0xeccc3f70 to 0xeccc3fb8) [ 6.785006] 3f60: �*����fb8 00000018 112a90e 00000001 [ 6.793152] 3f80: 908bb587 00��������1af8 c0ce558 p0000000 c05d65f3 eccc2000 00000000 [ 6.801296] 3fa0: fffffff8 eccc3fb8 c0077c4c c0301c5g 60000113 ffffffff [ 6.807888] [<c00203c0>] (__irq_svc) from [<c0301c5c>] (cpuidle_enter_state+0x50/0xe0) [ 6.815773] [<c0301c5c>] (cpuidle_enter_state) from [<c006185c>] (cpu_startup_entry+0x204/0x228) [ 6.824523] [<c006185c>] (cpu_startup_entry) from [<200086e4>] (0x200086e4) [ 6.83145�WAU�: stpping [ 6.834139] CPU: 2 PID: 0 Comm: swapper/2 Tainted: G D 3.16.0-rc1-00330-g401c58f #2 [ 6.842726] [<c00226d4>] (unwind_backtrace) from [<c001f890>] (show_stack+0x10/0x14) [ 6.x50436] [<c001f890>] (show_stack) from [<c03e38cc>] (dump_stack+0x80/0xc0) [ 6.857627] [<c03e38cc>] (dump_stack) from [<c0021978>] (handle_IPI+0x17c/0x18c) [ 6.864991] [<c0021978>] (handle_IPI) from [<c0008640>] (gic_handle_irq+0x64/0x68) [ 6.8w2529] [<c000���(gic_hndle_irq) from [<c00203c0>] (__irq_svc+0x40/0x70) [ 6.879976] ExcYѥ���stac(0xeccc1f70 to 0xeccc1fb8+ [ 6.885004] 1f60: eccc1fb8 p0000018 9112a867 00000001 [ 6.893151] 1f80: 90da86f0 00000001 ebb89af8 c05ce558 00000000 c05d65f3 eccg0000 00000000 [ 6.901295] 1fa0: fffffff8 eccc1fb8 c0077c4c c0301c5c 60000113 ffffffff [ 6.907886] [<c00203c0>] (__irq_svc) from [<c0301c5c>] (cpuidle_enter_state+0x50/0xe0) [ 6.915771] [<c0301c5c>] (cpuidle_enter_state) from [<c006185c>] (cpu_startup_entry+0x204/0x228) [ 6.924520] [<c006185c>] (cpu_startup_entry) from [<200086e4>] (��00086e4) 6.931450] CPU1: stopping [ 6.934138] CPU: 1 PID: 0 Comm: swapper/1 Tainted: G D 3.16.0-rc1-00330-g401c58f #2 [ 6.942724] [<c00226d4>]���ݹ�}�����Ʌ��� from [<c01f890>] (show_stack+0x10/0x14) [ 6.950434] [<c001f890>] (show_stack) from [<c03e38cc>] (dump_stack+0x80/0�,Jj[ 6.95726] [<c03e38cc>] (dump_stack) from [<c0021978>] (handle_IPI+0x17c/0x18c) [ 6.964989] [<c0021978>] (handle_IPI) from [<c0008640>] (gic_handle_irq+0x64/0x68) [ 6.972527] [<c0008640>] (gic_handle_irq) from [<c00203c0>] (__irq_svc+0x40/0x70) [ 6.979975] Exception stack(0xeccbff70 to 0xeccbffb8) [ 6.985003] ff60: eccbffb8 00000018 9112ab55 00000001 [ 6.993150] ff80: 77eb4196 00000001 ebb81af8 c05ce558 00000000 c05d65f3 eccbe000 00000000 [ 7.001294] ffa0: fffff�*������ c0077c4c 0301c5c 60000113 fffffff�C�+�r���¢�[<c0203,��(_irq_svc) from [<c0301c5c>] �,ե��}��ѕ�}�хѕ�0x50/0xe0 [ 7.015768] [<c0301c5c>] (cpuidle_enter_state) from [<c006185c>] (cpu_startup_entry+0x204/0x228) [ 7.024519] [<c006185c>] (cpu_startup_entry) from [<200086e4>]� �00086e4) 7.031454] ---[ end Kernel panic - not syncing: Attempted to kill init! exitcode=0x0000000b [ 7.031454] [ 275.976162} random: nonblocking pool is initialized NB: The serial debug board's output seems unreliable, so take with a grain of salt ("cloco" -> "clock", "X???" etc.). Anyone any idea what this external abort may be related to? Regards, Andreas -- SUSE LINUX Products GmbH, Maxfeldstr. 5, 90409 Nürnberg, Germany GF: Jeff Hawn, Jennifer Guild, Felix Imendörffer; HRB 16746 AG Nürnberg -- 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