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Author Topic: Guybrush's struggle to get aMule running on a Mips router  (Read 23212 times)

GuybrushThreepwood

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Guybrush's struggle to get aMule running on a Mips router
« on: October 13, 2009, 03:07:14 PM »

Hello to everyone! :) I don't know if it's really a bug or if it's something related to my particular situation but I'm experiencing a very annoying problem with the latest aMule SVN versions.
Before describing the issue, I'd like to describe my situation:

1) I run the aMule daemon on a mips router and remotely control it by aMuleGUI
2) I've built many aMule versions (not only) with no issues at all and I've been using the same toolchain (let me know if you need to know the dependencies installed)
3) The last aMule version that I've built before this one is the SVN 9548 that's rock solid on my router
4) Today I've built the latest SVN 9838 just to see if it was something wrong with the SVN 9834 but it behaves exactly the same

Some days ago, I've decided to build a newer version and I've downloaded the SVN 9834 sourcecode. The compilation stage went fine and everything seems to work fine, sometimes for an hour, sometimes for some minutes only, sometimes for several hours but before or later I get many consecutive:

WARNING! Client UDP-Socket ... discarded packet due to errors (2) while sending.

errors (we're talking of dozens of them), aMule doesn't succeed to upload or download anything anymore and, after a while, the connection drops down and I need to reboot the router.
I repeat: I don't know if it's really a bug but I'm rather confident that it is because the older SVN 9548 works fine. The only other explanation could be that in the meantime something has been added that's too hard to handle on a router according to its limited resources.
I hope to receive some advices soon and I thank you all in advance.
« Last Edit: March 06, 2011, 03:36:49 PM by Stu Redman »
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iz0bbz

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Re: SVN 9834: WARNING! Client UDP-Socket discarded packet
« Reply #1 on: October 13, 2009, 09:03:44 PM »

???
I've never seen that on r9834 or later on Fedora.
I mean, it should be something related to your architecture or your system. And being a router, yes I'd check resource usage.

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GuybrushThreepwood

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Re: SVN 9834: WARNING! Client UDP-Socket discarded packet
« Reply #2 on: October 13, 2009, 10:20:21 PM »

Hi and thanks for your reply. As said, I've taken into account the possibility of a resources shortcoming but, unless the later SVNs have introduced some very hard to handle features, how could you explain that the SVN 9548 works PERFECTLY under the SAME conditions? That's strange, isn't it? Apart from this, I've made a very fast and superficial research (I would deepen it as soon as possible) and this error seems quite widespread (though, as said, my research was very superficial and I don't know the different scenarios). When you can, please tell me what do you think of this...
« Last Edit: October 13, 2009, 10:24:25 PM by GuybrushThreepwood »
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Stu Redman

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Re: SVN 9834: WARNING! Client UDP-Socket discarded packet
« Reply #3 on: October 14, 2009, 12:23:12 AM »

SVN versions 9353 - 9647 are totally fucked (upload is broken) and should not be used  :-[
How is your upload speed with the two versions in comparison?
Same configure options, especially the mmap option ? Same wxWidgets version?
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GuybrushThreepwood

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Re: SVN 9834: WARNING! Client UDP-Socket discarded packet
« Reply #4 on: October 14, 2009, 12:25:37 PM »

@Stu Redman

Hi and thanks for your reply. I've downloaded the SVN 9548 a long time ago when it was the current one and it works very well for me: I manage to get good download speeds (probably a little better than the ones achieved with the SVN 9834/38, nothing major though) and, what's the most important thing, it's very very stable (even after prolonged use) unlike the newer SVN 9834/38 that aren't usable because of the described issue.
I've used EXACTLY the same toolchain to build all the versions and it includes wxWidgets 2.8.10 that's the latest stable release. If you need to know the other dependencies that I've included in my toolchain, you could look here:

http://forum.amule.org/index.php?PHPSESSID=7263b2379436f7b195c7f3f79e4a3161&topic=16721.msg88778#msg88778

Tell me if you need to know something more. Have a good day! :)
« Last Edit: October 14, 2009, 12:29:23 PM by GuybrushThreepwood »
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GonoszTopi

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Re: SVN 9834: WARNING! Client UDP-Socket discarded packet
« Reply #5 on: October 14, 2009, 05:13:45 PM »

Best would be if you could bisect when from it is unusable for you, using the public git repository. ~300 commits is way too much to check, looking for a bug we cannot reliably (or at all) reproduce.

"I would suspect the one experiencing the bug probably is more motivated to fix it than people who don't, so I suspect you're in trouble there. ;-)"
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Stu Redman

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Re: SVN 9834: WARNING! Client UDP-Socket discarded packet
« Reply #6 on: October 14, 2009, 10:02:30 PM »

Guybrush, did you pass the --enable-mmap option to configure? IIRC that was introduced after 9548 (it was probably always-on then). That's essential for your environment.
Great if 9548 is stable for you, but it makes you a leech.   8)
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GuybrushThreepwood

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Re: SVN 9834: WARNING! Client UDP-Socket discarded packet
« Reply #7 on: October 14, 2009, 11:41:46 PM »

@Stu Redman

Excuse me... Why should I be a leech? Is it because I've compiled an old development version when it was the current one like the SVN 9838 is now??? Honestly I don't understand...
By the way, I've not used the configure --enable-mmap switch: I didn't know anything about the need of using it. Thanks.
« Last Edit: October 14, 2009, 11:47:04 PM by GuybrushThreepwood »
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Stu Redman

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Re: SVN 9834: WARNING! Client UDP-Socket discarded packet
« Reply #8 on: October 15, 2009, 07:35:55 PM »

Because you don't upload, or upload bad stuff. Not intentionally of course. Until now when I told you that this old version is broken.
But with the --enable-mmap current SVN should work just as stable.  :)
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GonoszTopi

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Re: SVN 9834: WARNING! Client UDP-Socket discarded packet
« Reply #9 on: October 15, 2009, 08:34:19 PM »

But with the --enable-mmap current SVN should work just as stable.  :)
Also without. Should.
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Stu Redman

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Re: SVN 9834: WARNING! Client UDP-Socket discarded packet
« Reply #10 on: October 15, 2009, 09:03:32 PM »

Not on a mips router running out of memory.
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GonoszTopi

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Re: SVN 9834: WARNING! Client UDP-Socket discarded packet
« Reply #11 on: October 15, 2009, 09:11:45 PM »

If 9548 ran, 9838 should also.
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GuybrushThreepwood

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Re: SVN 9834: WARNING! Client UDP-Socket discarded packet
« Reply #12 on: October 16, 2009, 12:10:31 AM »

Because you don't upload, or upload bad stuff. Not intentionally of course. Until now when I told you that this old version is broken.
But with the --enable-mmap current SVN should work just as stable.  :)

I didn't know that. The upload speeds are very good and I've uploaded a lot of stuff... So was all that I've uploaded corrupted? It's a pity...
I would rebuild the SVN 9838 using the --enable-mmap switch and keep you updated about the results. By now, thank you! :)

If 9548 ran, 9838 should also.

According to what Stu Redman has said in one of the previous posts, the SVN 9548 could have that option enabled by default and this explains everything... I must remember to use that switch from now on.
« Last Edit: October 16, 2009, 12:13:19 AM by GuybrushThreepwood »
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GonoszTopi

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Re: SVN 9834: WARNING! Client UDP-Socket discarded packet
« Reply #13 on: October 16, 2009, 09:52:14 AM »

True. Having access to the source again I could check. Memory mapping code was introduced in r9377, configure option in r9563. In between it was used unconditionally.
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Stu Redman

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Re: SVN 9834: WARNING! Client UDP-Socket discarded packet
« Reply #14 on: October 16, 2009, 09:40:34 PM »

So was all that I've uploaded corrupted?
Only uploads from finished files.  :-[
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