🇬🇧 🇩🇪 Random reboots with (official) Lineage OS?

Help Fairphone 2
, ,
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The Play Store App doesn’t find it, and the Play Store website says it is incompatible with my device and doesn’t let me install it.

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This is correct, the hiccup app is an Fairphone app and isn’t supported on LOS… It also wouldn’t be helpful for the development of LOS anyway as the bug reports are sent to Fairphone and LOS is not supported by Fairphone.

1 Like
265

Hi,
to analyze the problem, you need the file last_kmsg. These must be provided by Chris.

Steven

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Thank you Steven,
How do I find the file last_kmsg? And I don’t understand, why do I
need to find a file from Chris? Who is Chris? Sorry I am out of the
loop.

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I suspect this is one of those nasty English problems… I think he means to provide TO Chris

@chrmhoffmann

3 Likes
268

You will find the file under the path /proc/last_kmsg.
Sorry for my english. :grinning:

1 Like
269

Hi everyone,
@chrmhoffmann

I’ve got some reboots as well with LOS.

Most of the times is a few minutes after an update.
It’s quite rare but it happens.
Otherwise it’s running smoothly.

You’ll find my last_kmsg.
https://drive.google.com/open?id=13cTE32QCZ9qqh0CLeMg8R6mYBs6kxK56

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Hahh :), that’s fine, thanks Steven. I checked, and I only have
/proc/kmsg but no /proc/last_kmsg on my phone… Is there a way to
generate that file?

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This file is generated by the system. Can not tell you anything exactly. Sorry.

272

Hello,

My phone randomly restarted again, and this time I was able to find
/proc/last_dmsg, I’ve pasted the contents here:

https://framabin.org/p/?8e682dd2f9d19337#L35TsumxBR8wDhWD+XGU7brdrgvJsoNyaqCEuD5/MrU=

Is this information what you are looking for? What can I do to
diagnose the problem? Thanks!!

273

Hello again,

My phone had even more random reboots, and this time the
/proc/last_kmsg looks kind of different:

https://framabin.org/p/?9c42ac4700af993c#Xek41TitpkFIYW17sxaJJTrAqAR92NUXDtq/J8p8yKY=

Is this information helpful? Thanks for your help.

274

Hi, since some time (I guess som LOS release starting late may, early june, but maybe coincidence) I have to kill the mediascanner after reboot, otherwise the system will reboot. Normally, there also is a last_kmsg there. With consistent errors. Is this more a FP LOS issue, or is it something for LOS Gerrit?

[quote]
WARNING: at …/…/…/…/…/…/kernel/fairphone/msm8974/kernel/signal.c:2963 do_rt_tgsigqueueinfo+0x50/0x80()
Modules linked in:

[<c010f02c>] (unwind_backtrace+0x0/0x138) from [<c01b499c>] (warn_slowpath_null+0x3c/0x54)
[<c01b499c>] (warn_slowpath_null+0x3c/0x54) from [<c01c81a8>] (do_rt_tgsigqueueinfo+0x50/0x80)
[<c01c81a8>] (do_rt_tgsigqueueinfo+0x50/0x80) from [<c01c823c>] (sys_rt_tgsigqueueinfo+0x64/0x80)
[<c01c823c>] (sys_rt_tgsigqueueinfo+0x64/0x80) from [<c0108760>] (ret_fast_syscall+0x0/0x30)
---[ end trace d97097dc3f1ee6fd ]---

Unable to handle kernel NULL pointer dereference at virtual address 00000004
pgd = e9868000
[00000004] *pgd=00000000

Internal error: Oops: 5 [#1] PREEMPT SMP ARM
Modules linked in:

CPU: 1    Tainted: G        W     (3.4.0-perf-gd5178da #1)
PC is at sdcardfs_permission+0x8/0xd0
LR is at inode_permission+0x68/0xc0
pc : [<c036a354>]    lr : [<c0295354>]    psr: a0000013
sp : eb12df70  ip : 00000000  fp : 6f7c07e0
r10: 00000000  r9 : cedc34b8  r8 : 00000000
r7 : f497ec80  r6 : eb12df80  r5 : 00000010  r4 : cedc34b8
r3 : 00000000  r2 : 000f703d  r1 : 00000010  r0 : cedc34b8
Flags: NzCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment user
Control: 10c5787d  Table: 2986806a  DAC: 00000015

and in the end

Process MediaScannerSer (pid: 8709, stack limit = 0xeb12c2f0)
Stack: (0xeb12df70 to 0xeb12e000)
df60:                                     dc279200 00000000 eb12df80 c0289e00
df80: f38bf910 ead84c60 00000000 a7add7c0 00000000 a7abfc60 0000014e c01088e4
dfa0: eb12c000 c0108760 a7add7c0 00000000 ffffff9c a7abfc60 00000000 00000000
dfc0: a7add7c0 00000000 a7abfc60 0000014e acf462e0 a77f1a00 73bf9eb8 6f7c07e0
dfe0: 00000000 acf462b8 b6c2b7e9 b6564e74 800b0010 ffffff9c 00000000 00000000
[<c036a354>] (sdcardfs_permission+0x8/0xd0) from [<00000000>] (  (null))
Code: 009b00e8 000186a0 e5103004 e590c004 (e5932004) 
---[ end trace d97097dc3f1ee6fe ]---
Kernel panic - not syncing: Fatal exception
CPU1: stopping
[<c010f02c>] (unwind_backtrace+0x0/0x138) from [<c010dcb0>] (handle_IPI+0x144/0x248)
[<c010dcb0>] (handle_IPI+0x144/0x248) from [<c0102ac0>] (gic_handle_irq+0xec/0x124)
unwind: Unknown symbol address c0102ac0
unwind: Index not found c0102ac0
CPU3: stopping
[<c010f02c>] (unwind_backtrace+0x0/0x138) from [<c010dcb0>] (handle_IPI+0x144/0x248)
[<c010dcb0>] (handle_IPI+0x144/0x248) from [<c0102ac0>] (gic_handle_irq+0xec/0x124)
unwind: Unknown symbol address c0102ac0
unwind: Index not found c0102ac0
CPU2: stopping
[<c010f02c>] (unwind_backtrace+0x0/0x138) from [<c010dcb0>] (handle_IPI+0x144/0x248)
[<c010dcb0>] (handle_IPI+0x144/0x248) from [<c0102ac0>] (gic_handle_irq+0xec/0x124)
unwind: Unknown symbol address c0102ac0
unwind: Index not found c0102ac0
wcnss crash shutdown 0
Rebooting in 5 seconds..
Going down for restart now
Calling SCM to disable SPMI PMIC arbiter

Also, in between there are a few SELinux denials

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