Messages in this thread | | | Subject | Re: [PATCH v11 4/5] core: Add kernel message dumper to call on oopses and panics | From | "Shargorodsky Atal (EXT-Teleca/Helsinki)" <> | Date | Fri, 23 Oct 2009 18:53:22 +0300 |
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Hi all,
On Thu, 2009-10-22 at 08:25 +0200, ext Simon Kagstrom wrote:
> Thanks to everyone for the reviewing and suggestions! >
I have a couple of questions:
1. If somebody writes a module that uses dumper for uploading the oopses/panics logs via some pay-per-byte medium, since he has no way to know in a module if the panic_on_oops flag is set, he'll have to upload both oops and the following panic, because he does not know for sure that the panic was caused by the oops. Hence he pays twice for the same information, right?
I can think of a couple of way to figure it out in the module itself, but I could not think of any clean way to do it.
2. We tried to use panic notifiers mechanism to print additional information that we want to see in mtdoops logs and it worked well, but having the kmsg_dump(KMSG_DUMP_PANIC) before the atomic_notifier_call_chain() breaks this functionality. Can we the call kmsg_dump() after the notifiers had been invoked?
Thanks, Atal.
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