On Fri, Apr 15, 2016 at 05:11:54PM +0300, Vladimir Zakharov wrote: > On Fri, Apr 15, 2016, Konstantin Belousov wrote: > > On Fri, Apr 15, 2016 at 02:38:18PM +0300, Vladimir Zakharov wrote: > > > On Fri, Apr 15, 2016, Konstantin Belousov wrote: > > > > On Fri, Apr 15, 2016 at 01:26:44PM +0300, Vladimir Zakharov wrote: > > > > > Hello > > > > > > > > > > Setting 'kern.eventtimer.periodic = 1' in /etc/sysctl.conf leads to > > > > > GENERIC-NODEBUG panic. GENERIC loads without problems. > > > > > So do GENERIC-NODEBUG as of r297245. > > > > > > > > > > https://imgur.com/0DtDU3m > > > > > > > > > > $ uname -a > > > > > > > > > > FreeBSD vzakharov 11.0-CURRENT FreeBSD 11.0-CURRENT #4 r298037: Fri > > > > > Apr > > > > > 15 12:27:40 MSK 2016 > > > > > root@vzakharov:/home/obj/usr/src/sys/GENERIC-NODEBUG amd64 > > > > > > > > > > > > > I cannot reproduce it locally. > > > > Please provide me verbose dmesg from the successfull boot on your > > > > machine. > > > > > > GENERIC with kern.eventtimer.periodic=1: http://pastebin.com/raw/TB0TKSje > > > GENERIC-NODEBUG: http://pastebin.com/raw/05CchraS > > I need _verbose_ dmesg. I need the reports about LAPICs initializations, > > with register dumps. > > dmesg before patching (kern.eventtimer.periodic is not set to avoid > panic): > http://pastebin.com/raw/CnJ911gX > > dmesg for patched kernel (kern.eventtimer.periodic = 1): > http://pastebin.com/raw/9Azz9LxT Thanks.
> > > > > > > > > > Also, for the panic, show me the output of the same data as on the > > > > screenshot and the output of 'show registers'. > > > > > > https://imgur.com/pO8Yc3w > > Ok, this seems to be yet another case of missed count mode divisor > > initialization. Please try the patch at the end of the messasge. > > Patched kernel doesn't panic anymore. Thanks. Committed as r298056. > > > > > Also please load your kernel into kgdb and do > > > > list *lapic_et_start+0x281 > > By 'your kernel' I mean 'your panicing kernel'. > It _was_ panicing kernel. Than not sure what you meant. There is no any > dump/core files because dumpdev is not configured yet at the moment of > panic. What should I do to retrieve the required information? > I've simply run: $ kgdb /boot/kernel/kernel No, core is not needed, only kernel to translate faulted address into the source line. The translation that you show did not make sense. The registers value was more useful. _______________________________________________ freebsd-current@freebsd.org mailing list https://lists.freebsd.org/mailman/listinfo/freebsd-current To unsubscribe, send any mail to "freebsd-current-unsubscr...@freebsd.org"
