On 12/17/08, pluknet <pluk...@gmail.com> wrote: > 2008/12/17 Paul B. Mahol <one...@gmail.com>: >> On 12/17/08, pluknet <pluk...@gmail.com> wrote: >>> 2008/12/17 pluknet <pluk...@gmail.com>: >>>> 2008/12/16 Kostik Belousov <kostik...@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. >>>> >>> >>> Now tested on a real 2xXeon 3.0 w/ HTT enabled w/ PRINTF_BUFR_SIZE >>> enabled. >>> >>> Received the following panic: >> >> And how big is PRINTF_BUFR_SIZE ? > > Hi. > > I set options PRINTF_BUFR_SIZE=128 > > And maybe it's not enough (?) because I stress-tested server triggering > to appear many kernel messages simultaneously. > I don't know coherence between buffer size and this panic though.
How long such kernel messages are? -- Paul _______________________________________________ freebsd-hackers@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-hackers To unsubscribe, send any mail to "freebsd-hackers-unsubscr...@freebsd.org"
