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Date: Thu, 07 Oct 2004 20:16:56 +0400
From: Roman Kurakin <rik@cronyx.ru>
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cc: hackers@freebsd.org
Subject: Re: Printing from kernel
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Søren Schmidt wrote:

> Roman Kurakin wrote:
>
>> Hi,
>>
>>     I have some problems with printing from kernel.
>> At first I think that my problems was cause I use printf,
>> but changed all of them to log cause it safe to use from
>> interrupt handlers. The situation become better but I still
>> observe system lockup in case I output some debug information
>> from my driver.
>
> Yes its a known problem, if you output "enough" from the kernel the 
> console will eventually lockup, its been so for ages, and I dont think 
> anyone really have been looking into it.

I didn't saw it before, only now after moving from Giant, but probably some
system changes affect this. Hm. may be I need to try some old versions to
check for this.

I'll try to dig this. This was the only eye in kernel I use for ages.

rik