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Possible soft lock in fputs #482
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Could you try and put together a testcase for us to have a look at? |
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I'm getting a random soft lock in fputs (on a real 3ds), doesn't occur in citra.
There's no problems if I disable the calls to this.
It's getting stuck here:
#0 svcArbitrateAddressNoTimeout () at /home/fincs/pacman-packages/libctru/src/libctru-2.0.1/libctru/source/svc.s:253
#1 0x00418f64 in syncArbitrateAddress (value=0, type=ARBITRATION_WAIT_IF_LESS_THAN, addr=0x4e1db4 <impure_data+964>)
at /home/fincs/pacman-packages/libctru/src/libctru-2.0.1/libctru/source/synchronization.c:61
#2 LightLock_Lock (lock=lock@entry=0x4e1db4 <impure_data+964>) at /home/fincs/pacman-packages/libctru/src/libctru-2.0.1/libctru/source/synchronization.c:61
#3 0x00419064 in RecursiveLock_Lock (lock=0x4e1db4 <impure_data+964>)
at /home/fincs/pacman-packages/libctru/src/libctru-2.0.1/libctru/source/synchronization.c:129
#4 0x0042f848 in _fputs_r ()
The other threads aren't hogging the cpu either:
Id Target Id Frame
1 Thread 282 (TLS: 0x1ffb2000, idle, dynamic prio.: 48, static prio.: 48, ideal core: 0, running on core 0) svcArbitrateAddressNoTimeout ()
at /home/fincs/pacman-packages/libctru/src/libctru-2.0.1/libctru/source/svc.s:253
2 Thread 283 (TLS: 0x1ffb2200, idle, dynamic prio.: 49, static prio.: 49, ideal core: 0, running on core 0) svcWaitSynchronizationN ()
at /home/fincs/pacman-packages/libctru/src/libctru-2.0.1/libctru/source/svc.s:273
3 Thread 288 (TLS: 0x1ffb2400, running, dynamic prio.: 26, static prio.: 26, ideal core: 0, running on core 0) svcWaitSynchronization ()
at /home/fincs/pacman-packages/libctru/src/libctru-2.0.1/libctru/source/svc.s:263
4 Thread 289 (TLS: 0x1ffb2600, running, dynamic prio.: 47, static prio.: 47, ideal core: 2, running on core 2) svcSleepThread ()
at /home/fincs/pacman-packages/libctru/src/libctru-2.0.1/libctru/source/svc.s:85
5 Thread 290 (TLS: 0x1ffb2800, running, dynamic prio.: 46, static prio.: 46, ideal core: 0, running on core 0) svcSleepThread ()
at /home/fincs/pacman-packages/libctru/src/libctru-2.0.1/libctru/source/svc.s:85
at /home/fincs/pacman-packages/libctru/src/libctru-2.0.1/libctru/source/svc.s:263
7 Thread 293 (TLS: 0x1ffb2c00, idle, dynamic prio.: 46, static prio.: 46, ideal core: 0, running on core 0) svcArbitrateAddressNoTimeout ()
at /home/fincs/pacman-packages/libctru/src/libctru-2.0.1/libctru/source/svc.s:253
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