This is 2.8p9

Michael

Am 28.05.2011 um 16:33 schrieb Paul Alfille:

> Which version are these error messages from?
> 
> On Sat, May 28, 2011 at 4:17 AM, Michael Weber <[email protected]> wrote:
>> I analysed the crashes a bit more and noticed:
>> 
>> a. owserver does not run at all if I do not use "flex timing"
>> b. if I turn off fifo-buffering at the terminal server, and enable 
>> hardware-flowcontrol, things appear more stable (fewer crashes)
>> c. all crashes appear to be after a TRAFFIC OUT to a file descriptor, like:
>> 
>> TRAFFIC OUT <to server data> file descriptor=12
>> Byte buffer FD, length=12
>> --000: 20 20 20 20 20 31 39 2E 31 38 37 35
>>   <     19.1875>
>> CRASHED Fri May 27 16:03:57 UTC 2011
>> 
>> We always had write and read problems before, because we have long bus 
>> lines, but for a long time now the owserver daemon(s) were rock solid, and 
>> the bottom line was that things worked well except during really dry periods 
>> (and I guess most components in the chain are not specified for single-digit 
>> humidity values).
>> 
>> Michael
>> 
>> 
>> Am 27.05.2011 um 12:47 schrieb Michael Weber:
>> 
>>> We had a owserver 2.7p17 running on an old debian server, without problems. 
>>> We read from 3 serial devices (via a MOXA terminal server) using 
>>> python/ownet and java/ownet interfaces. there is only one instance from the 
>>> java part, and one from the python part, so there could be at most two 
>>> requests at the same time.
>>> 
>>> Everything went fine until we replaced the server with a new one running 
>>> debian squeeze. First we tried owfs 2.8p8, but owserver crashed very 
>>> frequently. Then we moved back to 2.7p17 and also tried 2.7p39: Here 
>>> owserver froze (no answers) but the daemon was still there. Now we moved 
>>> back to 2.6p9 and monitor the daemon and restart it when necessary. Not a 
>>> very stable configuration.
>>> 
>>> The logfile just before it crashed one time yesterday looks like this, I 
>>> think it is strange that the TRAFFIC IN occurs at the moddle of the line 
>>> just before the crash.
>>> 
>>> Any ideas would be greatly appreciated.
>>> 
>>> TRAFFIC IN  <NETREAD> bus=0 (/dev/ttyr04)
>>> Byte buffer DS9097U, length=2
>>> --000: 1F B2
>>>   <..>
>>> TRAFFIC OUT <to server data> file descriptor=9
>>> Byte buffer FD, length=0TRAFFIC IN  <NETREAD> bus=2 (/dev/ttyr05)
>>> Byte buffer DS9097U, length=9
>>> --000: 40 01 C2 FF 7F FF 10 10 DD
>>>   <@........>
>>> TRAFFIC OUT <to server data> file descriptor=12
>>> Byte buffer FD, length=12
>>> --000: 20 20 20 20 20 20 20 20 20 20 32 30
>>>   <          20>
>>> 
>>> 
>>> Michael
>> 
>> 
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> 
> ------------------------------------------------------------------------------
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> With the market-leading solution for virtual backup and recovery, 
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With the market-leading solution for virtual backup and recovery, 
you get blazing-fast, flexible, and affordable data protection.
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