I also added a kcon_most teuthology task which does almost the same thing as ceph/src/script/kcon_most.sh to all or any set of clients. The teuthology version does not raise the console log level. For example: tasks: - ceph: - kclient: - kcon_most: - interactive: On Oct 24, 2012, at 11:14 AM, Alex Elder <elder@xxxxxxxxxxx> wrote: > On 10/24/2012 12:11 PM, Sage Weil wrote: >> I'm working on http://tracker.newdream.net/issues/3342 and was able to >> reproduce the msgr bug (some annoying msgr race I think) while generating >> full libceph debug output. I used a teuthology yaml fragment like so: > > I have more trouble than that, but perhaps there's something > weird about having my serial console connected from 1500 miles > away. I'm impressed full debugging didn't mess things up. > >> tasks: >> - clock: null >> - ceph: >> log-whitelist: >> - wrongly marked me down >> - objects unfound and apparently lost >> - thrashosds: null >> - kclient: null >> - exec: >> client.0: >> - echo 'module libceph +p' > /sys/kernel/debug/dynamic_debug/control > > This is cool, I didn't know you could do this. > >> - workunit: >> clients: >> all: >> - suites/ffsb.sh >> >> I was pleasantly surprised that even though this is putting copious >> amounts of crap in dmesg it didn't slow things down enough to avoid >> tripping the bug. And the 'dmesg' command in kdb appears to be working >> now (a couple months back it wasn't). Yay! > > For me, dmesg has been working, but I'd like to know how to > truncate the output to just, say, the last 200 lines. (Maybe > there is one.) > >> Anyway, this might be useful in tracking down other bugs as well... > > Yes, this is good news. > > -Alex > -- > To unsubscribe from this list: send the line "unsubscribe ceph-devel" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html -- To unsubscribe from this list: send the line "unsubscribe ceph-devel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
