Date/Time: 2020-07-01 12:50:56 +0200
OS Version: Mac OS X 10.13.1 (Build 17B1003)
Architecture: x86_64
Report Version: 26
Data Source: Stackshots
Command: firefox
Path: /Applications/Firefox.app/Contents/MacOS/firefox
Identifier: org.mozilla.firefox
Version: 78.0 (7820.6.25)
Parent: launchd [1]
PID: 308
Event: hang
Duration: 1.00s (process was unresponsive for 108 seconds before sampling)
Steps: 10 (100ms sampling interval)
Hardware model: iMac12,1
Active cpus: 4
Time Awake Since Boot: 4100s
Time Since Wake: 210s
Fan speed: 1399 rpm
--------------------------------------------------
Timeline format: stacks are sorted chronologically
Use -i and -heavy to re-report with count sorting
--------------------------------------------------
Heaviest stack for the main thread of the target process:
1 ??? (<15086203-F80B-3F51-9410-7F6AB48689E3> + 242342) [0x100d9c2a6]
1 pthread_cond_signal + 38 (libsystem_pthread.dylib + 22154) [0x7fff57f2b68a] (running)
Process: firefox (Firefox) [308]
Path: /Applications/Firefox.app/Contents/MacOS/firefox
Architecture: x86_64
Parent: launchd [1]
UID: 501
Task size: 346.16 MB
CPU Time: 1.044s
Note: Unresponsive for 108 seconds before sampling
Note: 2 idle work queue threads omitted
Thread 0xc47 DispatchQueue 1 10 samples (1-10) priority 47 (base 47) cpu time 0.898s
<process frontmost, thread QoS user interactive (requested user interactive), process unclamped, process received importance donation from WindowServer [120], IO tier 0>
1 ??? (<78F3A5DC-FDCD-3F20-B55D-09CCAF449962> + 39968248) [0x10371ddf8] 1
1 ??? (<1A7DEF76-9566-3016-A05A-D30EFABF176C> + 66345462) [0x1097789f6] (running) 1
1 ??? (<1A7DEF76-9566-3016-A05A-D30EFABF176C> + 46900288) [0x1084ed440] 2
1 CFArrayAppendValue + 29 (CoreFoundation + 163117) [0x7fff3059ad2d] (running) 2
1 ??? (<15086203-F80B-3F51-9410-7F6AB48689E3> + 255173) [0x100d9f4c5] (running) 3
1 ??? (<1A7DEF76-9566-3016-A05A-D30EFABF176C> + 4593759) [0x105c9485f] (running) 4
1 ??? (<1A7DEF76-9566-3016-A05A-D30EFABF176C> + 46900529) [0x1084ed531] 5
1 CFArrayGetCount + 104 (CoreFoundation + 162040) [0x7fff3059a8f8] (running) 5
1 ??? (<78F3A5DC-FDCD-3F20-B55D-09CCAF449962> + 1074809) [0x101206679] (running) 6
1 ??? (<1A7DEF76-9566-3016-A05A-D30EFABF176C> + 4534192) [0x105c85fb0] 7
1 ??? [0x2] 7
1 ??? (<1A7DEF76-9566-3016-A05A-D30EFABF176C> + 4576532) [0x105c90514] (running) 7
1 ??? (<15086203-F80B-3F51-9410-7F6AB48689E3> + 242342) [0x100d9c2a6] 8
1 pthread_cond_signal + 38 (libsystem_pthread.dylib + 22154) [0x7fff57f2b68a] (running) 8
1 ??? (<1A7DEF76-9566-3016-A05A-D30EFABF176C> + 66345411) [0x1097789c3] (running) 9
1 objc_msgSend + 33 (libobjc.A.dylib + 28321) [0x7fff570a4ea1] (running) 10
Thread 0x74f4 10 samples (1-10) priority 31 (base 31)
<process frontmost, thread QoS default (requested default), process unclamped, process received importance donation from WindowServer [120], IO tier 0>
10 <truncated backtrace> 1-10
10 mach_msg_trap + 10 (libsystem_kernel.dylib + 77430) [0x7fff57de5e76] 1-10
*10 ipc_mqueue_receive_continue + 0 (kernel + 336384) [0xffffff8000252200] 1-10
Thread 0x74fc Thread name "Gecko_IOThread" 10 samples (1-10) priority 31 (base 31) cpu time 0.011s
<process frontmost, thread QoS default (requested default), process unclamped, process received importance donation from WindowServer [120], IO tier 0>
10 <truncated backtrace> 1-10
10 kevent + 10 (libsystem_kernel.dylib + 118842) [0x7fff57df003a] 1-10
*10 ??? (kernel + 5335600) [0xffffff8000716a30] 1-10
Thread 0x74fd Thread name "Timer" 10 samples (1-10) priority 31 (base 31) cpu time 0.002s
<process frontmost, thread QoS default (requested default), process unclamped, process received importance donation from WindowServer [120], IO tier 0>
10 ??? (<15086203-F80B-3F51-9410-7F6AB48689E3> + 242778) [0x100d9c45a] 1-10
10 __psynch_cvwait + 10 (libsystem_kernel.dylib + 114302) [0x7fff57deee7e] 1-10
*10 psynch_cvcontinue + 0 (pthread + 38977) [0xffffff7f80f78841] 1-10
Thread 0x7500 Thread name "Socket Thread" 10 samples (1-10) priority 31 (base 31) cpu time 0.077s
<process frontmost, thread QoS default (requested default), process unclamped, process received importance donation from WindowServer [120], IO tier 0>
10 <truncated backtrace> 1-10
10 __select + 10 (libsystem_kernel.dylib + 115010) [0x7fff57def142] 1-10
*1 ??? (kernel + 5513616) [0xffffff8000742190] 1
*1 call_continuation + 23 (kernel + 107767) [0xffffff800021a4f7] 2
*1 ??? (kernel + 5513998) [0xffffff800074230e] 2
*1 selprocess + 1125 (kernel + 5618821) [0xffffff800075bc85] 2
*1 ??? (kernel + 733756) [0xffffff80002b323c] 2
*1 ??? (kernel + 726703) [0xffffff80002b16af] 2
*1 ??? (kernel + 734260) [0xffffff80002b3434] 2
*1 ltable_get_elem + 151 (kernel + 508679) [0xffffff800027c307] (running) 2
*3 ??? (kernel + 5513616) [0xffffff8000742190] 3-5
*1 ??? (kernel + 5513616) [0xffffff8000742190] (runnable) 6
*2 ??? (kernel + 5513616) [0xffffff8000742190] 7-8
*1 call_continuation + 23 (kernel + 107767) [0xffffff800021a4f7] 9
*1 ??? (kernel + 5513998) [0xffffff800074230e] 9
*1 selprocess + 1806 (kernel + 5619502) [0xffffff800075bf2e] 9
*1 ??? (kernel + 5617427) [0xffffff800075b713] 9
*1 ??? (kernel + 733756) [0xffffff80002b323c] 9
*1 ??? (kernel + 726703) [0xffffff80002b16af] 9
*1 ??? (kernel + 734260) [0xffffff80002b3434] 9
*1 ltable_get_elem + 151 (kernel + 508679) [0xffffff800027c307] (running) 9
*1 ??? (kernel + 5513616) [0xffffff8000742190] 10
Thread 0x7501 Thread name "Permission" 10 samples (1-10) priority 31 (base 31)
<process frontmost, thread QoS default (requested default), process unclamped, process received importance donation from WindowServer [120], IO tier 0>
10 ??? (<15086203-F80B-3F51-9410-7F6AB48689E3> + 242438) [0x100d9c306] 1-10
10 __psynch_cvwait + 10 (libsystem_kernel.dylib + 114302) [0x7fff57deee7e] 1-10
*10 psynch_cvcontinue + 0 (pthread + 38977) [0xffffff7f80f78841] 1-10
Thread 0x7503 Thread name "JS Watchdog" 10 samples (1-10) priority 31 (base 31) cpu time <0.001s
<process frontmost, thread QoS default (requested default), process unclamped, process received importance donation from WindowServer [120], IO tier 0>
10 ??? (<78F3A5DC-FDCD-3F20-B55D-09CCAF449962> + 1123349) [0x101212415] 1-10
10 __psynch_cvwait + 10 (libsystem_kernel.dylib + 114302) [0x7fff57deee7e] 1-10
*10 psynch_cvcontinue + 0 (pthread + 38977) [0xffffff7f80f78841] 1-10
Thread 0x7504 Thread name "JS Helper" 10 samples (1-10) priority 31 (base 31)
<process frontmost, thread QoS default (requested default), process unclamped, process received importance donation from WindowServer [120], IO tier 0>
10 ??? (<15086203-F80B-3F51-9410-7F6AB48689E3> + 242538) [0x100d9c36a] 1-10
10 __psynch_cvwait + 10 (libsystem_kernel.dylib + 114302) [0x7fff57deee7e] 1-10
*10 psynch_cvcontinue + 0 (pthread + 38977) [0xffffff7f80f78841] 1-10