SABnzbd Forums

Posted: **September 14th, 2013, 5:37 am**

Thanks for your detective work.
We're still at a loss as to why this happens.
Especially because most people (including the developers) don't have the problem.
I'll check the build history again.

Posted: **November 23rd, 2013, 11:05 am**

I've also been seeing this, usually every day but it can skip a day or two and have some additional hints as to cause. It looks like this is the same as the the issue reported here: https://forums.sabnzbd.org/viewtopic.php?f=3&t=8972

When I was looking at it this morning I noticed something in the system log that correlates to the failure:

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11/23/13 5:45:19.000 AM kernel[0]: PSYNCH: pid[28678]: cvwait: thread entry with same sequence already present
11/23/13 5:45:19.000 AM kernel[0]: PSYNCH: pid[28678]: cvwait: thread entry with same sequence already present

In some of the crashes I've noticed a thread with a stack like:

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Thread 47:
0   libsystem_kernel.dylib        	0x00007fff81760712 __writev_nocancel + 10
1   libsystem_c.dylib             	0x00007fff8a5a073f perror + 235
2   org.python.python             	0x000000010cca0551 PyThread_acquire_lock + 113
3   org.python.python             	0x000000010cc67afd PyEval_RestoreThread + 61
4   time.so                       	0x000000010d1d8a40 time_sleep + 192
5   org.python.python             	0x000000010cc6ac97 PyEval_EvalFrameEx + 9911
6   org.python.python             	0x000000010cc68596 PyEval_EvalCodeEx + 1990
7   org.python.python             	0x000000010cc6fb8d fast_function + 285
8   org.python.python             	0x000000010cc6ad38 PyEval_EvalFrameEx + 10072
9   org.python.python             	0x000000010cc68596 PyEval_EvalCodeEx + 1990
10  org.python.python             	0x000000010cc6fb8d fast_function + 285
11  org.python.python             	0x000000010cc6ad38 PyEval_EvalFrameEx + 10072
12  org.python.python             	0x000000010cc6fb22 fast_function + 178
13  org.python.python             	0x000000010cc6ad38 PyEval_EvalFrameEx + 10072
14  org.python.python             	0x000000010cc6fb22 fast_function + 178
15  org.python.python             	0x000000010cc6ad38 PyEval_EvalFrameEx + 10072
16  org.python.python             	0x000000010cc68596 PyEval_EvalCodeEx + 1990
17  org.python.python             	0x000000010cbfd40b function_call + 347
18  org.python.python             	0x000000010cbd98b1 PyObject_Call + 97
19  org.python.python             	0x000000010cbe5526 instancemethod_call + 502
20  org.python.python             	0x000000010cbd98b1 PyObject_Call + 97
21  org.python.python             	0x000000010cc6f338 PyEval_CallObjectWithKeywords + 168
22  org.python.python             	0x000000010cca4b46 t_bootstrap + 70
23  libsystem_c.dylib             	0x00007fff8a534772 _pthread_start + 327
24  libsystem_c.dylib             	0x00007fff8a5211a1 thread_start + 13

My Config:
python 2.7.5 from macports
py27-cheetah @2.4.4_1
OSX 10.8.5
SABnzbd 0.7.16 from the Python source tar ball. I have not been using the OSX package.

Interestingly, I've just noticed that I do not appear to have a version of yenc installed in my python 2.7 environment but SAB has been working for me other than this occasional problem. Is yenc still required?

Posted: **November 25th, 2013, 3:02 pm**

The yEnc module is only needed for speed.
With a fast CPU you won't see much difference.

The only thing that this tells me is that yEnc isn't the source of the problem.
Beats me what it is.
I have two Macs (one Mountain Lion and one Mavericks) and neither one has the issue.

Posted: **December 8th, 2013, 11:21 am**

Add me to the list of OS X users with the same problem.
sabnzbd just crashes almost every night.
Here's the top of the latest crash log:

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Process:         SABnzbd [2368]
Path:            /Applications/SABnzbd.app/Contents/MacOS/SABnzbd
Identifier:      org.sabnzbd.team
Version:         0.7.16 (0.0.0)
Code Type:       X86 (Native)
Parent Process:  launchd [124]
User ID:         501

Date/Time:       2013-12-08 03:10:24.305 +0100
OS Version:      Mac OS X 10.8.5 (12F45)
Report Version:  10

Crashed Thread:  0  Dispatch queue: com.apple.main-thread

Exception Type:  EXC_CRASH (SIGABRT)
Exception Codes: 0x0000000000000000, 0x0000000000000000

Thread 0 Crashed:: Dispatch queue: com.apple.main-thread
0   libsystem_kernel.dylib        	0x978aa7ce mach_msg_trap + 10
1   libsystem_kernel.dylib        	0x978a9cac mach_msg + 68
2   com.apple.CoreFoundation      	0x90582f79 __CFRunLoopServiceMachPort + 185
3   com.apple.CoreFoundation      	0x9058895f __CFRunLoopRun + 1247
4   com.apple.CoreFoundation      	0x9058801a CFRunLoopRunSpecific + 378
5   com.apple.CoreFoundation      	0x90587e8b CFRunLoopRunInMode + 123
6   com.apple.HIToolbox           	0x94febf5a RunCurrentEventLoopInMode + 242
7   com.apple.HIToolbox           	0x94febcc9 ReceiveNextEventCommon + 374
8   com.apple.HIToolbox           	0x94febb44 BlockUntilNextEventMatchingListInMode + 88
9   com.apple.AppKit              	0x90d5393a _DPSNextEvent + 724
10  com.apple.AppKit              	0x90d5316c -[NSApplication nextEventMatchingMask:untilDate:inMode:dequeue:] + 119
11  com.apple.AppKit              	0x90d495cc -[NSApplication run] + 855
12  com.apple.AppKit              	0x90cec5f6 NSApplicationMain + 1053
13  _AppKit.so                    	0x01ab6315 0x1ab3000 + 13077
14  org.python.python             	0x0019d90a PyCFunction_Call + 98
15  org.python.python             	0x001ebef4 PyEval_EvalFrameEx + 8182
16  org.python.python             	0x001e9eb2 PyEval_EvalCodeEx + 1777
17  org.python.python             	0x001efea8 0x132000 + 777896
18  org.python.python             	0x001ebf77 PyEval_EvalFrameEx + 8313
19  org.python.python             	0x001e9eb2 PyEval_EvalCodeEx + 1777
20  org.python.python             	0x001e97bc PyEval_EvalCode + 87
21  org.python.python             	0x0015a10e 0x132000 + 164110
22  org.python.python             	0x0015a1c3 PyRun_FileExFlags + 152
23  org.python.python             	0x001e5e15 0x132000 + 736789
24  org.python.python             	0x0019d90a PyCFunction_Call + 98
25  org.python.python             	0x001ebef4 PyEval_EvalFrameEx + 8182
26  org.python.python             	0x001e9eb2 PyEval_EvalCodeEx + 1777
27  org.python.python             	0x001efea8 0x132000 + 777896
28  org.python.python             	0x001ebf77 PyEval_EvalFrameEx + 8313
29  org.python.python             	0x001e9eb2 PyEval_EvalCodeEx + 1777
30  org.python.python             	0x001e97bc PyEval_EvalCode + 87
31  org.python.python             	0x0015a10e 0x132000 + 164110
32  org.python.python             	0x0015a1c3 PyRun_FileExFlags + 152
33  org.python.python             	0x00159bcd PyRun_SimpleFileExFlags + 441
34  org.python.python             	0x0015b70a PyRun_SimpleFile + 40
35  org.sabnzbd.team              	0x000ef226 0xec000 + 12838
36  org.sabnzbd.team              	0x000ed706 main + 1509
37  libdyld.dylib                 	0x974a5725 start + 1

It's the ready-made OS X package I use and it's running on OS X 10.8.5.
Python is V2.7.2 (guess it's the one that came with OS X or the Xcode tools, never upgraded Python manually).
If I can help in any way just drop me a line.

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