2008/12/17 Paul B. Mahol <one...@gmail.com>: > 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?
48 symbols plus length of a process name... it added 6 in my case, i.e. 54 symbols totally. -- wbr, pluknet _______________________________________________ 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"
