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Date:      Wed, 17 Dec 2008 13:48:11 +0300
From:      pluknet <pluknet@gmail.com>
To:        "Kostik Belousov" <kostikbel@gmail.com>
Cc:        freebsd-hackers@freebsd.org, jb@freebsd.org
Subject:   Re: PRINTF_BUFR_SIZE in freebsd6
Message-ID:  <a31046fc0812170248g4fa19250j159c645bdcd4ac89@mail.gmail.com>
In-Reply-To: <20081216134035.GU2038@deviant.kiev.zoral.com.ua>
References:  <a31046fc0812160423g7508bdbdrb160e9d1ec12b6e3@mail.gmail.com> <20081216134035.GU2038@deviant.kiev.zoral.com.ua>

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2008/12/16 Kostik Belousov <kostikbel@gmail.com>:
> On Tue, Dec 16, 2008 at 03:23:28PM +0300, pluknet wrote:
>> Hi.
>>
>> Could the PRINTF_BUFR_SIZE option be safely merged into RELENG_6 without
>> merging a possible underlining infrastructure and breaking something else?
>> I want to use it in my custom freebsd6 because I see "interspersed strings
>> written from different CPUs at the same time":
>>
>> uuusseseerrvmrem: vlmivmeimtme :e mx:ceed eldi bly 2i89m68m (iihttt t
>> pde) eaxtx cfcorke1 22e3e
>> deded ebyd  by28 296898 68(h t(tpdh) att ftorkp1 22d3
>> ) at fork1 223
>>
>> I'm talking about only merging kern/subr_prf.c 1.126, 1.128, 1.129.
>>
>> Thanks.
>
> I did a backport of the option some time ago, see
> http://people.freebsd.org/~kib/misc/releng_6_printf_bufr.3.patch
>

Thank you!

6.3 system panics (many page faults, one after another) early at boot
without the option, and boots with it in the QEMU environment.
Next step to test it on a real (and SMPable) hardware.

--
wbr,
pluknet



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