Hey Johanna, On 07/28/2016 06:20 PM, Johanna Steer wrote: > Hi Sebastian, > > i am using QEMU.
Ok, then the thing has a bug. I might have a look into it, if I can find the time. Otherwise, you could try a different Qemu version. We use 2.3.0 over here and have used 1.5.0 before that, maybe there is a regression somewhere from 1.5.0 to 2.3.0 to your version. Cheers, Sebastian > > >>Hi Johanna, >> >>On 07/26/2016 10:58 AM, Johanna Steer wrote: >>> Hi, >>> >>> i am working on a toolchain monitoring the schedluing behavior of the >>> fiasco.oc kernel. The data is monitored through the trace service (quota >>> for trace is 2M). >>> It is then sent to an offline system through an active TCP/IP connection >>> and written into a database. VDE is used for that and i am working on >>> Ubuntu 14.04. >>> My problem is that the data isn't sent reliably. I am executing a >>> periodic task that returns zero and exits. The only thing that varies is >>> the period. After 20 seconds the tasks stop, the monitored data is >>> gathered and then sent to the offline system. >>> The kernel says that it is sending the data, but the system freezes at >>> times and the data simply doesn't arrive. >>> The system reacts quite randomly: Sometimes it sends the files, >>> sometimes it doesn't. Sometimes i get an error (shown below). It seems >>> easier to send small data sizes (around 200KB), above 700KB hardly >>> anything works. In between, it might work or not. As far as i have >>> experienced there is no pattern behind it. >>> >>> I tried the tests before with only 1M quota for trace and the >>> reliability improved with 2M quota. However, with 4M it gets worse again >>> and the error occures more often. >>> >>> >>> Here ist the error: >>> >>> [init -> nic_drv] tx fifo overrun, ignore packet >> >>This error comes from the lan9118 NIC driver. It is a network card >>driver we use for the PBXA9 ARM platform in Qemu only. We have never >>used it on real hardware, and therefore, it might not work correctly >>there. What SoC are you using or do you use Qemu? >> >>Regards, >> >>Sebastian >> >>> : spawn id exp6 not open >>> while executing >>> "expect { >>> -i $running_spawn_id $platform_msg { puts stderr "Error: >>> platform rebooted unexpectedly"; exit -4 } >>> -i $running_spawn_id -re $wait_for_re..." >>> (procedure "wait_for_output" line 22) >>> invoked from within >>> "wait_for_output $wait_for_re $timeout_value $qemu_spawn_id" >>> (procedure "run_log" line 28) >>> invoked from within >>> "run_log $wait_for_re $timeout_value" >>> (procedure "run_genode_until" line 28) >>> invoked from within >>> "run_genode_until forever" >>> (file "/home/johanna/Bachelorarbeit/genode/repos/dom0/run/dom0.run" >>> line 132) >>> invoked from within >>> "source $include_name" >>> ("foreach" body line 6) >>> invoked from within >>> "foreach include_name [get_cmd_arg --include ""] { >>> # first check if the include name is absolute >>> if {[string first "/" $include_name] == 0} { >>> puts ..." >>> (file "/home/johanna/Bachelorarbeit/genode/tool/run/run" line 642) >>> >>> ------------------------------------------------------------------------------ >>> What NetFlow Analyzer can do for you? Monitors network bandwidth and traffic >>> patterns at an interface-level. Reveals which users, apps, and protocols >>> are >>> consuming the most bandwidth. Provides multi-vendor support for NetFlow, >>> J-Flow, sFlow and other flows. Make informed decisions using capacity >>> planning >>> reports.http://sdm.link/zohodev2dev >>> _______________________________________________ >>> genode-main mailing list >>> genode-main@... >>> https://lists.sourcef > <https://lists.sourceforge.net/lists/listinfo/genode-main> > > > > ------------------------------------------------------------------------------ > > > > _______________________________________________ > genode-main mailing list > genode-main@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/genode-main > ------------------------------------------------------------------------------ _______________________________________________ genode-main mailing list genode-main@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/genode-main