This problem has been fixed. It was a linux-header version missmatch that caused the consumerd to not being able to connect to the error socket.
On Mon, Aug 20, 2012 at 4:42 PM, David Goulet <[email protected]> wrote: > -----BEGIN PGP SIGNED MESSAGE----- > Hash: SHA512 > > Hi, > > This is pretty odd... it seems the execl() of the consumer failed... > > We'll have to confirm this with the perror code I guess. Can you apply > this patch and re-run again. > > diff --git a/src/bin/lttng-sessiond/main.c b/src/bin/lttng-sessiond/main.c > index c952fc0..d3c378b 100644 > - --- a/src/bin/lttng-sessiond/main.c > +++ b/src/bin/lttng-sessiond/main.c > @@ -1782,6 +1782,7 @@ static pid_t spawn_consumerd(struct > consumer_data *consumer_data) > free(tmpnew); > } > if (ret) { > + PERROR("execl 32-bit consumer"); > goto error; > } > break; > > If you want, to speed things up, you can come on OFTC irc server on > #lttng and we'll be able to assist you in real time to find this problem. > > Cheers > David > > Henrik Hautakoski: >> Ok so I attached the output from lttng-sessiond (it's large). >> >> the commands was: >> >> # lttng-sessiond --vvv --no-kernel --verbose-consumer >> >> # lttng list -u >> >> # lttng create mysession >> >> # lttng enable-event -a -u >> >> Nothing shows up in dmesg. >> >> On Fri, Aug 17, 2012 at 5:15 PM, David Goulet >> <[email protected]> wrote: Hi, >> >> Actually, this error means that a problem occurred *during* the 32 >> bit consumer spawning process... It seems the binary was found but >> failed to exec it. >> >> Running the session daemon (lttng-sessiond) with options "-vvv >> --verbose-consumer" will help us pin down the problem. >> >> Send me back the output, I'll be able to tell you what's going on >> (and also the series of command you guys did before the >> enable-event). >> >> Last thing, make sure the lttng-consumerd did not segfault (dmesg) >> or any other lttng-tools component. >> >> Thanks! David >> >> Mathieu Desnoyers: >>>>> It looks like you did not build a 32-bit consumer. I'm ccing >>>>> David Goulet, maintainer of lttng-tools. >>>>> >>>>> Thanks, >>>>> >>>>> Mathieu >>>>> >>>>> * Henrik Hautakoski ([email protected]) wrote: >>>>>> Hi. got lttng working now. but when given the following >>>>>> command, we get an error. >>>>>> >>>>>> $ lttng enable-event -a -u Error: Events: 32-bit UST >>>>>> consumer start failed (channel channel0, session >>>>>> mysession) >>>>>> >>>>>> Could not find any information about this error massage. do >>>>>> you have any ideas? >>>>>> >>>>>> -- Henrik Hautakoski [email protected] >>>>> >> >> >> > -----BEGIN PGP SIGNATURE----- > > iQEcBAEBCgAGBQJQMkzRAAoJEELoaioR9I02cTIIAIxjeagCL1uvHB4WT/SGAdOz > 5eIDXhRyjto+7af4VkjibAozT28XZpnJweWJKkeGJjtRLD/1KFMq06QWREUO6sSz > NqkU+i+5FHTSCAK4cRS80e0AcqmOCCAo0zfeLpurNCfeu654rHgzk+03XIj+Zn3a > QhY7Uw9S9SuJ0NPPP6f50bmlsdh6VGLHmJQMi2nNJQZPFiuwLHF9V7mUOO66ZWqF > ikqN5NGDMsmjOoY7XPwcalF7BK1vq9bMv+f9zyWImFV/ky8iHw0d1Cemy9O1cWw1 > cbM1wyEqzfDV5QIoFqa0ZKIsbuUzuwy4/bkk7pTrqOaTDLuwOOoqYs108yeJgUg= > =mDFB > -----END PGP SIGNATURE----- -- Henrik Hautakoski [email protected] _______________________________________________ lttng-dev mailing list [email protected] http://lists.lttng.org/cgi-bin/mailman/listinfo/lttng-dev
