Re: [RFC][PATCH] printk: increase devkmsg write() ratelimit

Borislav Petkov
2018-12-18T15:03:24Z

On Tue, Dec 18, 2018 at 11:55:58PM +0900, Sergey Senozhatsky wrote:
> Good question. Theoretically, there can be some interesting stuff.
> Examples: https://bugzilla.redhat.com/show_bug.cgi?id=1515373#c6
> or https://github.com/systemd/systemd/issues/5433

Just like that last page says, people should use the printk.devkmsg=
option when they wanna see all messages. Normally, we do add cmdline
options to the kernel cmdline when debugging, like

debug ignore_loglevel log_buf_len=16M ...

etc and this is no different AFAICT.

--
Regards/Gruss,
Boris.

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