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Date: Wed, 1 May 2019 21:03:03 +0200
From: Sebastian Andrzej Siewior <bigeasy@...utronix.de>
To: Tony Lindgren <tony@...mide.com>
Cc: "kernelci.org bot" <bot@...nelci.org>, Tejun Heo <tj@...nel.org>,
Peter Zijlstra <peterz@...radead.org>,
tomeu.vizoso@...labora.com, guillaume.tucker@...labora.com,
mgalka@...labora.com, Thomas Gleixner <tglx@...utronix.de>,
broonie@...nel.org, matthew.hart@...aro.org, khilman@...libre.com,
enric.balletbo@...labora.com, Ingo Molnar <mingo@...nel.org>,
Lai Jiangshan <jiangshanlai@...il.com>,
Johannes Weiner <hannes@...xchg.org>,
linux-kernel@...r.kernel.org, Ingo Molnar <mingo@...hat.com>,
Kevin Hilman <khilman@...nel.org>, linux-omap@...r.kernel.org
Subject: Re: next/master boot bisection: next-20190430 on beagle-xm
On 2019-05-01 10:44:31 [-0700], Tony Lindgren wrote:
> Hmm so I tried without "earlycon" in command line thinking it might be
> happening with just "earlyprintk" but still no luck.
>
> BTW, in general you might want to update your kernel command line
> options to:
>
> debug earlyprintk earlycon
debug. Let me look if I manage to hide that `debug' from systemd…
> As that way you get early output without CONFIG_DEBUG_LL=y
> with earlycon that should be enabled by default already.
yup, thx.
> Yes getting closer thanks. Can you please boot one more time with
> the following debug patch that sould confirm which target module
> during probing triggers the abort?
|[ 1.091575] ti-sysc 48042000.target-module: probing
|[ 1.096694] ti-sysc 48042000.target-module: sysc_flags 00000222 != 00000022
|[ 1.104784] ti-sysc 48044000.target-module: probing
|[ 1.109974] ti-sysc 48044000.target-module: sysc_flags 00000222 != 00000022
|[ 1.118079] ti-sysc 48046000.target-module: probing
|[ 1.123206] ti-sysc 48046000.target-module: sysc_flags 00000222 != 00000022
|[ 1.131331] ti-sysc 48048000.target-module: probing
|[ 1.136505] ti-sysc 48048000.target-module: sysc_flags 00000222 != 00000022
|[ 1.144571] ti-sysc 4804a000.target-module: probing
|[ 1.149755] ti-sysc 4804a000.target-module: sysc_flags 00000222 != 00000022
|[ 1.157846] ti-sysc 4804c000.target-module: probing
|[ 1.164537] ti-sysc 480602fc.target-module: probing
|[ 1.170858] ti-sysc 48080000.target-module: probing
|[ 1.176168] ti-sysc 480c8000.target-module: probing
|[ 1.182309] ti-sysc 480ca000.target-module: probing
|[ 1.188357] ti-sysc 4819c000.target-module: probing
|[ 1.206713] ti-sysc 481a0000.target-module: probing
|[ 1.212003] ti-sysc 481a6050.target-module: probing
|[ 1.217306] ti-sysc 481a8050.target-module: probing
|[ 1.222546] ti-sysc 481aa050.target-module: probing
|[ 1.227806] ti-sysc 481ac000.target-module: probing
|[ 1.234355] ti-sysc 481ae000.target-module: probing
|[ 1.240877] ti-sysc 481cc000.target-module: probing
|[ 1.245976] Unhandled fault: external abort on non-linefetch (0x1028) at 0xfa1cc000
|[ 1.253847] pgd = (ptrval)
|[ 1.256623] [fa1cc000] *pgd=48011452(bad)
|[ 1.260749] Internal error: : 1028 [#1] ARM
|[ 1.265044] Modules linked in:
|[ 1.268187] CPU: 0 PID: 1 Comm: swapper Not tainted 5.1.0-rc7-next-20190501-dirty #31
|[ 1.276234] Hardware name: Generic AM33XX (Flattened Device Tree)
|[ 1.282510] PC is at sysc_probe+0xb80/0xfc0
|[ 1.286805] LR is at sysc_probe+0xb40/0xfc0
|[ 1.291100] pc : [<c0644f90>] lr : [<c0644f50>] psr: 60000013
|[ 1.297538] sp : db0b1dc0 ip : 00000013 fp : c1131648
|[ 1.302904] r10: c116c9a4 r9 : c116c984 r8 : 00000028
|[ 1.308270] r7 : 00000001 r6 : c0e373ac r5 : 00000000 r4 : db345940
|[ 1.314975] r3 : fa1cc000 r2 : db349700 r1 : 00000000 r0 : 00000000
|[ 1.321684] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none
|[ 1.329017] Control: 10c5387d Table: 80204019 DAC: 00000051
|[ 1.334921] Process swapper (pid: 1, stack limit = 0x(ptrval))
…
|[ 1.496788] [<c0644f90>] (sysc_probe) from [<c08f00c4>] (platform_drv_probe+0x48/0x98)
|[ 1.504933] [<c08f00c4>] (platform_drv_probe) from [<c08ee264>] (really_probe+0xf0/0x2c8)
|[ 1.513346] [<c08ee264>] (really_probe) from [<c08ee59c>] (driver_probe_device+0x60/0x16c)
|[ 1.521843] [<c08ee59c>] (driver_probe_device) from [<c08ee848>] (device_driver_attach+0x58/0x60)
|[ 1.530967] [<c08ee848>] (device_driver_attach) from [<c08ee8a8>] (__driver_attach+0x58/0xcc)
|[ 1.539734] [<c08ee8a8>] (__driver_attach) from [<c08ec720>] (bus_for_each_dev+0x74/0xb4)
|[ 1.548142] [<c08ec720>] (bus_for_each_dev) from [<c08ed78c>] (bus_add_driver+0x1b8/0x1d8)
|[ 1.556640] [<c08ed78c>] (bus_add_driver) from [<c08ef1dc>] (driver_register+0x74/0x108)
|[ 1.564963] [<c08ef1dc>] (driver_register) from [<c0302ce4>] (do_one_initcall+0x50/0x1a4)
|[ 1.573384] [<c0302ce4>] (do_one_initcall) from [<c1401064>] (kernel_init_freeable+0x1c4/0x25c)
|[ 1.582339] [<c1401064>] (kernel_init_freeable) from [<c0ded9e4>] (kernel_init+0x8/0x10c)
|[ 1.590750] [<c0ded9e4>] (kernel_init) from [<c03010e8>] (ret_from_fork+0x14/0x2c)
|[ 1.598531] Exception stack(0xdb0b1fb0 to 0xdb0b1ff8)
|[ 1.603722] 1fa0: 00000000 00000000 00000000 00000000
|[ 1.612129] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
|[ 1.620535] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000
|[ 1.627337] Code: ebfffa8a ea000002 e5943014 e0833001 (e5930000)
|[ 1.633616] ---[ end trace d02e59e9267a59cb ]---
|[ 1.638458] Kernel panic - not syncing: Attempted to kill init! exitcode=0x0000000b
> Looking at the oops 0xfa1cc000, so 0x481cc000 I guess which is d_can0?
That node around it I guess.
> Regards,
>
> Tony
Sebastian
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