Re: synchronous freebsd print
- From: Eygene Ryabinkin <rea-fbsd@xxxxxxxxxxx>
- Date: Wed, 27 Feb 2008 15:57:11 +0300
Sanjeev,
Wed, Feb 27, 2008 at 03:00:46AM -0800, Sanjeev Kumar.S wrote:
and Yes in the kernel code I have a "\n" at the end
of my print, still the print is not complete and
the line next to it that causes the crash does
not give the result I want. Is this a common
scenario or am I doing something wrong.
If you're not defining PRINTF_BUFR_SIZE, then, judging by the
/sys/kern/subr_prf.c, output will be unbuffered in any case. However,
kernel printf is not protected by locks, so it can be interrupted
by another thread, if I am correct.
May be ddb(4) will become your friend?
--
Eygene
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