Stderr output

<core_client_version>7.24.1</core_client_version>
<![CDATA[
<stderr_txt>
BOINC client version 7.24.1
BOINC GPU type 'NVIDIA', deviceId=0, slot=1
Application: period_search_10217_windows_x86_64__cuda118_win10.exe
Version: 102.17.0.0
CUDA version: 11080
CUDA Device number: 0
CUDA Device: Quadro P400 2047MB 
CUDA Device driver: 536.99
Compute capability: 6.1
Shared memory per Block | per SM: 49152 | 98304
Multiprocessors: 2
Resident blocks per multiprocessor: 32
Grid dim: 64 = 2*32
Block dim: 128
14:06:49 (7084): Can't acquire lockfile (32) - waiting 35s
14:07:24 (7084): Can't acquire lockfile (32) - exiting
14:07:24 (7084): Error: The process cannot access the file because it is being used by another process.

 (0x20)
14:18:43 (17888): Can't acquire lockfile (32) - waiting 35s
14:19:18 (17888): Can't acquire lockfile (32) - exiting
14:19:18 (17888): Error: The process cannot access the file because it is being used by another process.

 (0x20)
14:29:36 (21124): Can't acquire lockfile (32) - waiting 35s
14:30:11 (21124): Can't acquire lockfile (32) - exiting
14:30:11 (21124): Error: The process cannot access the file because it is being used by another process.

 (0x20)
14:35:56 (11244): Can't acquire lockfile (32) - waiting 35s
14:36:31 (11244): Can't acquire lockfile (32) - exiting
14:36:31 (11244): Error: The process cannot access the file because it is being used by another process.

 (0x20)
14:46:37 (18956): Can't acquire lockfile (32) - waiting 35s
14:47:12 (18956): Can't acquire lockfile (32) - exiting
14:47:12 (18956): Error: The process cannot access the file because it is being used by another process.

 (0x20)
14:47:34 (6064): called boinc_finish(0)
14:57:23 (18424): called boinc_finish(0)

</stderr_txt>
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