[hobbit] bbgen frequent yellow alerts - hobbitd problem?

[rdeal]

I have seen it with solaris 10 sparc.  Solaris 9 sparc was fine.


> From: Mike Rowell <Mike.Rowell at Rightmove.co.uk>
> Reply-To: <hobbit at hswn.dk>
> Date: Mon, 6 Nov 2006 18:33:41 -0000
> To: <hobbit at hswn.dk>
> Conversation: [hobbit] bbgen frequent yellow alerts - hobbitd problem?
> Subject: RE: [hobbit] bbgen frequent yellow alerts - hobbitd problem?
> 
> 
> Henrik,
> 
> It might be worth checking to make sure these problems are only on
> Solaris 10 x86 as that is the only architecture I've seen this problem
> on, sparc seems fine so might help you in narrowing down the problem.
> 
> Regards,
> 
> Mike Rowell
> -----Original Message-----
> From: Henrik Stoerner [mailto:henrik at hswn.dk]
> Sent: 06 November 2006 16:30
> To: hobbit at hswn.dk
> Subject: Re: [hobbit] bbgen frequent yellow alerts - hobbitd problem?
> 
> On Mon, Nov 06, 2006 at 07:35:27AM -0800, Mr-Pope wrote:
> 
>> We are running a new installation of Hobbit 4.2 on Solaris 10 running
>> in a non-global zone.  Server is a v240 but I don't think that matters
>> here.
>> 
>> The problem here is that our bbgen status turns yellow with fairly
>> high frequency, sometimes multiple times an hour, at (what seem like)
>> random intervals.  In the yellow alert bbgen reports:
>> "hobbitd status-board not available"
> 
> The reports I've had of this only have one thing in common: They all
> happen on Solaris 10. So I'm beginning to suspect that maybe Solaris
> doesn't work quite the way other systems do.
> 
> Or perhaps there is a bug, and something special in Solaris triggers it.
> 
>> Below are the output from some commands/logs.  These logs don't really
>> seem to help, so let me know if there is anything else that I can send
>> along to debug this issue.
> 
>> $BB --debug $BBDISP "hobbitdboard"
>> (with no --debug on a 'failure' I get no output.  I'm assuming this is
>> the same cause of the bbgen yellow alert)
> 
> Yes.
> 
>> bbgen --debug --report (this one turned bbgen yellow/unavailable.
>> Note the quick disconnect.)
>> 2006-11-03 09:51:03 load_state()
>> 2006-11-03 09:51:03 Transport setup is:
>> 2006-11-03 09:51:03 bbdportnumber = 1984
>> 2006-11-03 09:51:03 bbdispproxyhost = NONE
>> 2006-11-03 09:51:03 bbdispproxyport = 0
>> 2006-11-03 09:51:03 Recipient listed as '10.xxx.xxx.xxx'
>> 2006-11-03 09:51:03 Standard BB protocol on port 1984
>> 2006-11-03 09:51:03 Will connect to address 10.xxx.xxx.xxx port 1984
>> 2006-11-03 09:51:03 Connect status is 0
>> 2006-11-03 09:51:03 Sent 126 bytes
>> 2006-11-03 09:51:03 Closing connection
> 
> Interesting.
> 
> Since it seems that this bites you more than most others, I'd like you
> to do a couple of things for me to figure out what is going on. I need
> you to add a couple of debugging lines to Hobbit.
> 
> First, in the bbdisplay/loaddata.c file, around line 436 you'll find the
> code that prints out the "hobbitd status board not available" message.
> It looks like this:
>         errprintf("hobbitd status-board not available\n");
> I want you to change that to
>         errprintf("hobbitd status-board not available, code %d\n",
> hobbitdresult);
> 
> 
> Next, in the lib/sendmsg.c file around line 340 is where the code is
> that receives data from Hobbit. You'll find these lines:
> 
> n = recv(sockfd, recvbuf, sizeof(recvbuf)-1, 0);
> if (n > 0) {
> 
> I'd like you to add 8 lines between these two:
> 
> n = recv(sockfd, recvbuf, sizeof(recvbuf)-1, 0);
> if (n < 0) {
> dbgprintf("recv() returned error: %s\n",
> strerror(errno));
> if (errno == EAGAIN) continue;
> }
> if (n == 0) {
> dbgprintf("recv() gave us 0 bytes\n");
> continue;
> }
> if (n > 0) {
> 
> (it isn't the prettiest of programming, but it does the job for now).
> 
> 
> After making these two changes, run "make clean; make" and copy the
> bbdisplay/bbgen binary into your ~hobbit/server/bin/ directory. Let
> Hobbit run as normal (with --debug on the bbgen command) and when it
> fails I am very interested to see what's in the logfile.
> 
> 
> Regards,
> Henrik
> 
> 
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> 
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