Hello Matwey, On Thu, Sep 3, 2015 at 10:35 PM, Matwey V. Kornilov <matwey.kornilov@gmail.com> wrote:
2015-09-03 19:23 GMT+03:00 Misha Komarovskiy <zombah@gmail.com>:
Hello,
On Wed, Aug 5, 2015 at 5:12 PM, Misha Komarovskiy <zombah@gmail.com> wrote:
Hello Matwey, I hope soon to be able to collect panic log, as tegra20 serial output is fixed in kernel-source now.
Panic happen before simple serial console started, but i made package of kernel-default with tegra DEBUG_LL enabled and now i have panic logs: http://paste.opensuse.org/15729922, log with initcall_debug http://paste.opensuse.org/76504505
I would suggest using gdb to understand where the issue appears, it is probably the fastest way. I wrote an instruction for myself how to do that, but unfortunately it is written in Russian and Google Translate doesn't help much: https://goo.gl/7LlcEz
I'll try to find more details with kgdb, it seems problems on my tegra20 family board starts after 3.19 kernel. Russian is my native language, i will follow your guide, thanks.
I blame some kernel-default config option, because same kernel compiled with tegra_defconfig boots fine, but how to find which one?
--- Best Regards, Misha Komarovskiy zombahatgmaildotcom
On Wed, Aug 5, 2015 at 3:27 PM, Matwey V. Kornilov <matwey.kornilov@gmail.com> wrote:
That is strange, as far as I remember there is no panic timeout in JeOS
2015-08-03 14:17 GMT+03:00 Misha Komarovskiy <zombah@gmail.com>:
Hello, I have no experience with kgdb. As system restarts after panic timeout i wanted to catch oops message in kernel output via serial console. --- Best Regards, Misha Komarovskiy zombahatgmaildotcom
On Sat, Aug 1, 2015 at 1:46 PM, Matwey V. Kornilov <matwey.kornilov@gmail.com> wrote:
01.08.2015 12:48, Misha Komarovskiy пишет: > Hello, > I found that latest images for my armv7 board (paz00/ac100) which use > kernel-default have kernel panic on start without any output to serial > console, but serial output was working last time i tested image back > in may. > > I cloned kernel-source git repo made sequence-patched kernel and > recompiled it with > enabling DEBUG_LL,TEGRA UART_A and EARLYPRINTK config options added to > config/armv7hl/default config, but found that there is no ttyS0 > output, only earlycon here is paste: > http://paste.opensuse.org/31390203 >
Have you tried to use kgdb? Does it not work too?
> Recompiling same kernel with multi_v7_defconfig config and same > debug/earlyprintk options have no panics and normal serial output: > http://paste.opensuse.org/13080662 > > Maybe kernel-default config require some extra tricks now to have serial output? > I want to catch that panic. > --- > Best Regards, > Misha Komarovskiy > zombahatgmaildotcom >
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-- With best regards, Matwey V. Kornilov http://blog.matwey.name xmpp://0x2207@jabber.ru
-- Best Regards, Misha Komarovskiy zombahatgmaildotcom
-- With best regards, Matwey V. Kornilov http://blog.matwey.name xmpp://0x2207@jabber.ru
-- Best Regards, Misha Komarovskiy zombahatgmaildotcom -- To unsubscribe, e-mail: opensuse-kernel+unsubscribe@opensuse.org To contact the owner, e-mail: opensuse-kernel+owner@opensuse.org