[ovs-discuss] ovs-vswitchd aborted

[Eli Britstein]

[eli at saturn94 ~]$ ll /proc/sys/kernel/core_*
-rw-r--r--. 1 root root 0 Mar 21 11:41 /proc/sys/kernel/core_pattern
-rw-r--r--. 1 root root 0 Mar 21 11:41 /proc/sys/kernel/core_pipe_limit
-rw-r--r--. 1 root root 0 Mar 21 11:41 /proc/sys/kernel/core_uses_pid

[eli at saturn94 ~]$ cat /proc/sys/kernel/core_pattern
|/usr/libexec/abrt-hook-ccpp %s %c %p %u %g %t %e

[eli at saturn94 ~]$ /usr/libexec/abrt-hook-ccpp
Usage: /usr/libexec/abrt-hook-ccpp SIGNO CORE_SIZE_LIMIT PID UID GID TIME BINARY_NAME [HOSTNAME]

[eli at saturn94 ~]$ cat /proc/sys/kernel/core_pipe_limit
4
[eli at saturn94 ~]$ cat /proc/sys/kernel/core_uses_pid
1

[eli at saturn94 ~]$ coredumpctl list ovs-vswitchd
No coredumps found.
[eli at saturn94 ~]$ coredumpctl list
No coredumps found.

What's next?

Thanks,
Eli

> -----Original Message-----
> From: Flavio Leitner [mailto:fbl at sysclose.org]
> Sent: Thursday, 31 March, 2016 12:20 AM
> To: Eli Britstein
> Cc: bugs at openvswitch.org
> Subject: Re: [ovs-discuss] ovs-vswitchd aborted
>
> On Wed, Mar 30, 2016 at 01:52:04PM +0000, Eli Britstein wrote:
> > Hi
> >
> > I want to test performance and latency with dpdkr ports.
> > In order to do so, I configured 2 such ports, and wrote a test program that
> lookup for the relevant rings, and streams traffic into the rings. I run this
> program as a secondary DPDK process.
> > Once I invoke the program, and I enqueuer mbufs to the rings, ovs-
> vswitchd is "killed by SIGABRT (core dumped)".
> > I first thought my packet might be corrupted, so I captured a valid packet
> and initialize my packets with the bytes of it.
> > I have tried to invoke it with a log file, but there is no message there when
> the problem occurs. Also, no message in "dmesg -w" when the problem
> occurs.
> > I also tried to invoke it after "ulimit -c unlimited", but I could not find any
> core dump.
>
> You might want to look at /proc/sys/kernel/core_* and coredumpctl(1).
> fbl
>
>

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