On 2014-04-03, Ben Pfaff <b...@nicira.com> wrote:
> On Thu, Apr 03, 2014 at 06:45:47PM +0000, Karol Mroz wrote:
>> On 2014-04-03, Ben Pfaff <b...@nicira.com> wrote:
>> > On Tue, Apr 01, 2014 at 11:15:41AM -0700, Karol Mroz wrote:
>> >> I'm experiencing a problem starting openvswitch 2.1 on an openSUSE13.1
>> >> (kernel version 3.11.10) system. Specifically, ovsdb-server enters an
>> >> infinite loop during logging bringup.
>> >
>> > What compiler did you build with?
>>
>> gcc version 4.8.1 20130909 [gcc-4_8-branch revision 202388] (SUSE Linux)
>
> Hmm.
>
> I have a guess about the problem. I guess that one or more ovsdb
> modules are being added to the linked list multiple times, which could
> cause a loop. The question, then, is why is that happening?
>
> It might be helpful to find out whether every module is being added
> multiple times, or just ovsdb-server. We could find that out by
> applying a patch like this:
Interesting. When I have a moment I'll apply the patch and give it a
test.
Thanks for the input.
>
> diff --git a/lib/vlog.h b/lib/vlog.h
> index 0f791af..07c4fe5 100644
> --- a/lib/vlog.h
> +++ b/lib/vlog.h
> @@ -93,6 +93,7 @@ extern struct list vlog_modules;
> #define VLOG_DEFINE_MODULE(MODULE) \
> VLOG_DEFINE_MODULE__(MODULE) \
> OVS_CONSTRUCTOR(init_##MODULE) { \
> + printf("%s\n", #MODULE); \
> list_insert(&vlog_modules, &VLM_##MODULE.list); \
> } \
>
> and then looking for duplicates, e.g.
> ovsdb-server|sort|uniq -c|sort -rn|head
-Karol
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