Re: BUG: kernel BUG at crypto/algapi.c:401 (omap_aes, beaglebone black)

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Hi Philipp,

On Thursday 04 August 2016 09:18 PM, Philipp Gesang wrote:
> Hi Tero,
> 

[..snip..]

> [    5.920471] mousedev: PS/2 mouse device common for all mice
> [    5.930992] Unhandled fault: external abort on non-linefetch (0x1028) at 0xf9e3e044
> [    5.939013] pgd = c0204000
> [    5.941842] [f9e3e044] *pgd=44e11452(bad)
> [    5.946047] Internal error: : 1028 [#1] SMP ARM
> [    5.950772] Modules linked in:
> [    5.953968] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.7.0-phg+ #15
> [    5.960608] Hardware name: Generic AM33XX (Flattened Device Tree)
> [    5.966971] task: de0d0000 task.stack: de0ba000
> [    5.971701] PC is at omap_hwmod_read+0x28/0x30
> [    5.976338] LR is at omap_rtc_wait_not_busy+0x24/0x4c
> [    5.981604] pc : [<c03344f0>]    lr : [<c0336894>]    psr: 400e0093
> [    5.981604] sp : de0bbd40  ip : 00000003  fp : de1e38a0
> [    5.993591] r10: de0ba000  r9 : 00000000  r8 : c1203ed4
> [    5.999049] r7 : c1220730  r6 : c121fea8  r5 : c12a0b8c  r4 : 00000032
> [    6.005864] r3 : f9e3e044  r2 : 00000000  r1 : 00000044  r0 : c121fea8
> [    6.012681] Flags: nZcv  IRQs off  FIQs on  Mode SVC_32  ISA ARM  Segment none
> [    6.020226] Control: 10c5387d  Table: 99098019  DAC: 00000051
> [    6.026224] Process swapper/0 (pid: 1, stack limit = 0xde0ba220)
> [    6.032503] Stack: (0xde0bbd40 to 0xde0bc000)
> [    6.037052] bd40: c121fea8 00000003 c12173a0 c0336914 c121fea8 c03346d4 c121fea8 00000020
> [    6.045590] bd60: c12173a0 c03348c0 c121fea8 00000003 c121fea8 00000000 c1340d50 c0334b58
> [    6.054130] bd80: c121fea8 00020001 00000000 c121fea8 c121ff08 a00e0013 c12035dc c0335170
> [    6.062677] bda0: 00000000 de204f40 00000001 c03361bc de21cc10 de21cc10 c03361e0 c03361f8
> [    6.071219] bdc0: de21cca0 de21cc10 c03361e0 c082e4e4 de21cc10 de21cc10 de1e3810 c082e57c
> [    6.079756] bde0: de21cc10 c03361e0 de1e3810 c0830164 00000000 de21cca0 de21cca0 600e0013
> [    6.088301] be00: c0830318 fffffffe c1336b48 c1c34e20 00000000 de21cc10 00000004 de21cca0
> [    6.096849] be20: 600e0013 c1336b48 c1c34e20 00000000 00000000 c0830328 d90dc258 de21cc00
> [    6.105382] be40: de21cc10 fffffffe c1336b48 c092a29c de21cc00 00000001 de0bbe04 fffffdfb
> [    6.113919] be60: c092a13c de21cc10 c12e8470 00000000 c1336b48 c0826728 de21cc10 c1c34e18
> [    6.122454] be80: c12e8470 c082417c c12e8470 de21cc10 de21cc10 de21cc44 c12e8470 c12d7c90
> [    6.130995] bea0: c1336a70 c133ff00 c109a858 c082449c 00000000 c12e8470 c08243bc c08222fc
> [    6.139528] bec0: de0af4a4 de2062d0 c12e8470 00000000 d90db400 c0823554 c0f0bfb1 00000000
> [    6.148065] bee0: c12e8470 c1055d78 00000000 c1136a28 c133ff00 c082560c 00000006 c1055d78
> [    6.156603] bf00: 00000000 c0301c5c c1236b18 60000013 de0d05d0 00000007 00000000 c037133c
> [    6.165151] bf20: dfdff5c9 dfdff5ce c0f97630 c0371460 de0d0000 00000001 c0f96230 00000006
> [    6.173694] bf40: 00000006 c0f97644 00000100 c0f97644 c109a834 00000006 c109a84c 00000006
> [    6.182234] bf60: c109a850 00000101 c1136a28 c133ff00 c133ff00 c1000eec 00000006 00000006
> [    6.190779] bf80: 00000000 c10005a8 00000000 c0b6b1ec 00000000 00000000 00000000 00000000
> [    6.199307] bfa0: 00000000 c0b6b1fc 00000000 c03080d0 00000000 00000000 00000000 00000000
> [    6.207845] bfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
> [    6.216384] bfe0: 00000000 00000000 00000000 00000000 00000013 00000000 00000000 00000000
> [    6.224937] [<c03344f0>] (omap_hwmod_read) from [<c0336894>] (omap_rtc_wait_not_busy+0x24/0x4c)
> [    6.234026] [<c0336894>] (omap_rtc_wait_not_busy) from [<c0336914>] (omap_hwmod_rtc_unlock+0x20/0x54)
> [    6.243644] [<c0336914>] (omap_hwmod_rtc_unlock) from [<c03346d4>] (_write_sysconfig+0x54/0x90)
> [    6.252726] [<c03346d4>] (_write_sysconfig) from [<c03348c0>] (_enable_sysc+0x1b0/0x208)
> [    6.261180] [<c03348c0>] (_enable_sysc) from [<c0334b58>] (_enable+0x240/0x2c8)
> [    6.268815] [<c0334b58>] (_enable) from [<c0335170>] (omap_hwmod_enable+0x30/0x50)
> [    6.276716] [<c0335170>] (omap_hwmod_enable) from [<c03361bc>] (omap_device_enable+0x60/0x84)
> [    6.285616] [<c03361bc>] (omap_device_enable) from [<c03361f8>] (_od_runtime_resume+0x18/0x44)
> [    6.294616] [<c03361f8>] (_od_runtime_resume) from [<c082e4e4>] (__rpm_callback+0x3c/0x64)
> [    6.303244] [<c082e4e4>] (__rpm_callback) from [<c082e57c>] (rpm_callback+0x70/0x88)
> [    6.311331] [<c082e57c>] (rpm_callback) from [<c0830164>] (rpm_resume+0x6f8/0x840)
> [    6.319238] [<c0830164>] (rpm_resume) from [<c0830328>] (__pm_runtime_resume+0x7c/0x98)
> [    6.327610] [<c0830328>] (__pm_runtime_resume) from [<c092a29c>] (omap_rtc_probe+0x160/0x3f8)
> [    6.336520] [<c092a29c>] (omap_rtc_probe) from [<c0826728>] (platform_drv_probe+0x58/0xa8)
> [    6.345149] [<c0826728>] (platform_drv_probe) from [<c082417c>] (driver_probe_device+0x1d4/0x414)
> [    6.354416] [<c082417c>] (driver_probe_device) from [<c082449c>] (__driver_attach+0xe0/0x114)
> [    6.363326] [<c082449c>] (__driver_attach) from [<c08222fc>] (bus_for_each_dev+0x70/0x94)
> [    6.371873] [<c08222fc>] (bus_for_each_dev) from [<c0823554>] (bus_add_driver+0x11c/0x248)
> [    6.380501] [<c0823554>] (bus_add_driver) from [<c082560c>] (driver_register+0xa4/0xe8)
> [    6.388852] [<c082560c>] (driver_register) from [<c0301c5c>] (do_one_initcall+0xb4/0x15c)
> [    6.397400] [<c0301c5c>] (do_one_initcall) from [<c1000eec>] (kernel_init_freeable+0x210/0x2dc)
> [    6.406499] [<c1000eec>] (kernel_init_freeable) from [<c0b6b1fc>] (kernel_init+0x10/0x118)
> [    6.415140] [<c0b6b1fc>] (kernel_init) from [<c03080d0>] (ret_from_fork+0x14/0x24)
> [    6.423047] Code: 0a000002 e1d300b0 e6ff0070 e12fff1e (e5930000) 
> [    6.429442] ---[ end trace 241806e3ef830079 ]---
> [    6.434276] note: swapper/0[1] exited with preempt_count 1
> [    6.440339] Kernel panic - not syncing: Attempted to kill init! exitcode=0x0000000b

Looks like the crash here is because of the RTC module and not because
of crypto. Can you try removing RTC from hwmod and see if it boots. If
it boots then we should see why RTC is failing.

Thanks and regards,
Lokesh

> [    6.440339] 
> [    6.449917] ---[ end Kernel panic - not syncing: Attempted to kill init! exitcode=0x0000000b
> [    6.449917] 
> 
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