Stderr output

<core_client_version>8.0.4</core_client_version>
<![CDATA[
<stderr_txt>
BOINC client version 8.0.4
BOINC GPU type 'NVIDIA', deviceId=0, slot=0
Application: period_search_10217_windows_x86_64__cuda118_win10.exe
Version: 102.17.0.0
CUDA version: 11080
CUDA Device number: 0
CUDA Device: NVIDIA GeForce GTX 1660 SUPER 6143MB 
CUDA Device driver: 576.26
Compute capability: 7.5
Shared memory per Block | per SM: 49152 | 65536
Multiprocessors: 22
Resident blocks per multiprocessor: 16
Grid dim: 352 = 22*16
Block dim: 128
03:33:41 (24880): Can't acquire lockfile (32) - waiting 35s
03:34:16 (24880): Can't acquire lockfile (32) - exiting
03:34:16 (24880): Error: The process cannot access the file because it is being used by another process.

 (0x20)
03:44:25 (24900): Can't acquire lockfile (32) - waiting 35s
03:45:00 (24900): Can't acquire lockfile (32) - exiting
03:45:00 (24900): Error: The process cannot access the file because it is being used by another process.

 (0x20)
03:55:07 (23872): Can't acquire lockfile (32) - waiting 35s
03:55:42 (23872): Can't acquire lockfile (32) - exiting
03:55:42 (23872): Error: The process cannot access the file because it is being used by another process.

 (0x20)
04:05:49 (25264): Can't acquire lockfile (32) - waiting 35s
04:06:24 (25264): Can't acquire lockfile (32) - exiting
04:06:24 (25264): Error: The process cannot access the file because it is being used by another process.

 (0x20)
04:16:30 (25000): Can't acquire lockfile (32) - waiting 35s
04:17:05 (25000): Can't acquire lockfile (32) - exiting
04:17:05 (25000): Error: The process cannot access the file because it is being used by another process.

 (0x20)
04:27:12 (6176): Can't acquire lockfile (32) - waiting 35s
04:27:47 (6176): Can't acquire lockfile (32) - exiting
04:27:47 (6176): Error: The process cannot access the file because it is being used by another process.

 (0x20)
04:37:54 (23936): Can't acquire lockfile (32) - waiting 35s
04:38:29 (23936): Can't acquire lockfile (32) - exiting
04:38:29 (23936): Error: The process cannot access the file because it is being used by another process.

 (0x20)
04:48:37 (25680): Can't acquire lockfile (32) - waiting 35s
04:49:12 (25680): Can't acquire lockfile (32) - exiting
04:49:12 (25680): Error: The process cannot access the file because it is being used by another process.

 (0x20)
04:59:19 (26376): Can't acquire lockfile (32) - waiting 35s
04:59:54 (26376): Can't acquire lockfile (32) - exiting
04:59:54 (26376): Error: The process cannot access the file because it is being used by another process.

 (0x20)
05:10:01 (23836): Can't acquire lockfile (32) - waiting 35s
05:10:36 (23836): Can't acquire lockfile (32) - exiting
05:10:36 (23836): Error: The process cannot access the file because it is being used by another process.

 (0x20)
05:20:43 (5256): Can't acquire lockfile (32) - waiting 35s
05:21:18 (5256): Can't acquire lockfile (32) - exiting
05:21:18 (5256): Error: The process cannot access the file because it is being used by another process.

 (0x20)
05:31:25 (24580): Can't acquire lockfile (32) - waiting 35s
05:32:00 (24580): Can't acquire lockfile (32) - exiting
05:32:00 (24580): Error: The process cannot access the file because it is being used by another process.

 (0x20)
05:42:07 (17216): Can't acquire lockfile (32) - waiting 35s
05:42:42 (17216): Can't acquire lockfile (32) - exiting
05:42:42 (17216): Error: The process cannot access the file because it is being used by another process.

 (0x20)
05:52:50 (24376): Can't acquire lockfile (32) - waiting 35s
05:53:25 (24376): Can't acquire lockfile (32) - exiting
05:53:25 (24376): Error: The process cannot access the file because it is being used by another process.

 (0x20)
06:03:32 (24932): Can't acquire lockfile (32) - waiting 35s
06:04:07 (24932): Can't acquire lockfile (32) - exiting
06:04:07 (24932): Error: The process cannot access the file because it is being used by another process.

 (0x20)
06:14:14 (7128): Can't acquire lockfile (32) - waiting 35s
06:14:49 (7128): Can't acquire lockfile (32) - exiting
06:14:49 (7128): Error: The process cannot access the file because it is being used by another process.

 (0x20)
06:24:56 (25172): Can't acquire lockfile (32) - waiting 35s
06:25:31 (25172): Can't acquire lockfile (32) - exiting
06:25:31 (25172): Error: The process cannot access the file because it is being used by another process.

 (0x20)
06:35:38 (24632): Can't acquire lockfile (32) - waiting 35s
06:36:13 (24632): Can't acquire lockfile (32) - exiting
06:36:13 (24632): Error: The process cannot access the file because it is being used by another process.

 (0x20)
06:46:20 (24896): Can't acquire lockfile (32) - waiting 35s
06:46:55 (24896): Can't acquire lockfile (32) - exiting
06:46:55 (24896): Error: The process cannot access the file because it is being used by another process.

 (0x20)
06:57:06 (23344): Can't acquire lockfile (32) - waiting 35s
06:57:41 (23344): Can't acquire lockfile (32) - exiting
06:57:41 (23344): Error: The process cannot access the file because it is being used by another process.

 (0x20)
07:07:48 (25448): Can't acquire lockfile (32) - waiting 35s
07:08:23 (25448): Can't acquire lockfile (32) - exiting
07:08:23 (25448): Error: The process cannot access the file because it is being used by another process.

 (0x20)
07:18:30 (25708): Can't acquire lockfile (32) - waiting 35s
07:19:05 (25708): Can't acquire lockfile (32) - exiting
07:19:05 (25708): Error: The process cannot access the file because it is being used by another process.

 (0x20)
07:29:12 (5892): Can't acquire lockfile (32) - waiting 35s
07:29:47 (5892): Can't acquire lockfile (32) - exiting
07:29:47 (5892): Error: The process cannot access the file because it is being used by another process.

 (0x20)
07:39:54 (7748): Can't acquire lockfile (32) - waiting 35s
07:40:29 (7748): Can't acquire lockfile (32) - exiting
07:40:29 (7748): Error: The process cannot access the file because it is being used by another process.

 (0x20)
07:50:36 (24688): Can't acquire lockfile (32) - waiting 35s
07:51:11 (24688): Can't acquire lockfile (32) - exiting
07:51:11 (24688): Error: The process cannot access the file because it is being used by another process.

 (0x20)
08:01:18 (13332): Can't acquire lockfile (32) - waiting 35s
08:01:53 (13332): Can't acquire lockfile (32) - exiting
08:01:53 (13332): Error: The process cannot access the file because it is being used by another process.

 (0x20)
08:12:03 (22664): Can't acquire lockfile (32) - waiting 35s
08:12:38 (22664): Can't acquire lockfile (32) - exiting
08:12:38 (22664): Error: The process cannot access the file because it is being used by another process.

 (0x20)
08:22:45 (24836): Can't acquire lockfile (32) - waiting 35s
08:23:20 (24836): Can't acquire lockfile (32) - exiting
08:23:20 (24836): Error: The process cannot access the file because it is being used by another process.

 (0x20)
08:33:27 (26328): Can't acquire lockfile (32) - waiting 35s
08:34:02 (26328): Can't acquire lockfile (32) - exiting
08:34:02 (26328): Error: The process cannot access the file because it is being used by another process.

 (0x20)
08:44:09 (26276): Can't acquire lockfile (32) - waiting 35s
08:44:44 (26276): Can't acquire lockfile (32) - exiting
08:44:44 (26276): Error: The process cannot access the file because it is being used by another process.

 (0x20)
08:54:51 (24748): Can't acquire lockfile (32) - waiting 35s
08:55:26 (24748): Can't acquire lockfile (32) - exiting
08:55:26 (24748): Error: The process cannot access the file because it is being used by another process.

 (0x20)
09:05:33 (24368): Can't acquire lockfile (32) - waiting 35s
09:06:08 (24368): Can't acquire lockfile (32) - exiting
09:06:08 (24368): Error: The process cannot access the file because it is being used by another process.

 (0x20)
09:16:16 (5664): Can't acquire lockfile (32) - waiting 35s
09:16:51 (5664): Can't acquire lockfile (32) - exiting
09:16:51 (5664): Error: The process cannot access the file because it is being used by another process.

 (0x20)
09:26:59 (22088): Can't acquire lockfile (32) - waiting 35s
09:27:34 (22088): Can't acquire lockfile (32) - exiting
09:27:34 (22088): Error: The process cannot access the file because it is being used by another process.

 (0x20)
09:37:41 (26832): Can't acquire lockfile (32) - waiting 35s
09:38:16 (26832): Can't acquire lockfile (32) - exiting
09:38:16 (26832): Error: The process cannot access the file because it is being used by another process.

 (0x20)
09:48:24 (15580): Can't acquire lockfile (32) - waiting 35s
09:48:59 (15580): Can't acquire lockfile (32) - exiting
09:48:59 (15580): Error: The process cannot access the file because it is being used by another process.

 (0x20)
09:59:07 (24212): Can't acquire lockfile (32) - waiting 35s
09:59:42 (24212): Can't acquire lockfile (32) - exiting
09:59:42 (24212): Error: The process cannot access the file because it is being used by another process.

 (0x20)
10:09:49 (26688): Can't acquire lockfile (32) - waiting 35s
10:10:24 (26688): Can't acquire lockfile (32) - exiting
10:10:24 (26688): Error: The process cannot access the file because it is being used by another process.

 (0x20)
10:20:32 (27624): Can't acquire lockfile (32) - waiting 35s
10:21:07 (27624): Can't acquire lockfile (32) - exiting
10:21:07 (27624): Error: The process cannot access the file because it is being used by another process.

 (0x20)
10:31:14 (25296): Can't acquire lockfile (32) - waiting 35s
10:31:49 (25296): Can't acquire lockfile (32) - exiting
10:31:49 (25296): Error: The process cannot access the file because it is being used by another process.

 (0x20)
10:41:57 (3044): Can't acquire lockfile (32) - waiting 35s
10:42:32 (3044): Can't acquire lockfile (32) - exiting
10:42:32 (3044): Error: The process cannot access the file because it is being used by another process.

 (0x20)
10:52:39 (26448): Can't acquire lockfile (32) - waiting 35s
10:53:14 (26448): Can't acquire lockfile (32) - exiting
10:53:14 (26448): Error: The process cannot access the file because it is being used by another process.

 (0x20)
11:03:56 (24764): Can't acquire lockfile (32) - waiting 35s
11:04:31 (24764): Can't acquire lockfile (32) - exiting
11:04:31 (24764): Error: The process cannot access the file because it is being used by another process.

 (0x20)
11:14:42 (460): Can't acquire lockfile (32) - waiting 35s
11:15:17 (460): Can't acquire lockfile (32) - exiting
11:15:17 (460): Error: The process cannot access the file because it is being used by another process.

 (0x20)
11:25:59 (25080): Can't acquire lockfile (32) - waiting 35s
11:26:34 (25080): Can't acquire lockfile (32) - exiting
11:26:34 (25080): Error: The process cannot access the file because it is being used by another process.

 (0x20)
11:36:53 (26076): Can't acquire lockfile (32) - waiting 35s
11:37:28 (26076): Can't acquire lockfile (32) - exiting
11:37:28 (26076): Error: The process cannot access the file because it is being used by another process.

 (0x20)
11:47:36 (25212): Can't acquire lockfile (32) - waiting 35s
11:48:11 (25212): Can't acquire lockfile (32) - exiting
11:48:11 (25212): Error: The process cannot access the file because it is being used by another process.

 (0x20)
11:58:24 (26252): Can't acquire lockfile (32) - waiting 35s
11:59:00 (26252): Can't acquire lockfile (32) - exiting
11:59:00 (26252): Error: The process cannot access the file because it is being used by another process.

 (0x20)
12:09:41 (5472): Can't acquire lockfile (32) - waiting 35s
12:10:16 (5472): Can't acquire lockfile (32) - exiting
12:10:16 (5472): Error: The process cannot access the file because it is being used by another process.

 (0x20)
12:20:52 (12900): Can't acquire lockfile (32) - waiting 35s
12:21:27 (12900): Can't acquire lockfile (32) - exiting
12:21:27 (12900): Error: The process cannot access the file because it is being used by another process.

 (0x20)
12:32:09 (25776): Can't acquire lockfile (32) - waiting 35s
12:32:44 (25776): Can't acquire lockfile (32) - exiting
12:32:44 (25776): Error: The process cannot access the file because it is being used by another process.

 (0x20)
12:42:46 (27092): Can't acquire lockfile (32) - waiting 35s
12:43:21 (27092): Can't acquire lockfile (32) - exiting
12:43:21 (27092): Error: The process cannot access the file because it is being used by another process.

 (0x20)
13:52:29 (26568): Can't acquire lockfile (32) - waiting 35s
13:53:04 (26568): Can't acquire lockfile (32) - exiting
13:53:04 (26568): Error: The process cannot access the file because it is being used by another process.

 (0x20)
14:16:29 (4564): Can't acquire lockfile (32) - waiting 35s
14:17:04 (4564): Can't acquire lockfile (32) - exiting
14:17:04 (4564): Error: The process cannot access the file because it is being used by another process.

 (0x20)
14:27:09 (21192): Can't acquire lockfile (32) - waiting 35s
14:27:44 (21192): Can't acquire lockfile (32) - exiting
14:27:44 (21192): Error: The process cannot access the file because it is being used by another process.

 (0x20)
14:37:54 (24616): Can't acquire lockfile (32) - waiting 35s
14:38:29 (24616): Can't acquire lockfile (32) - exiting
14:38:29 (24616): Error: The process cannot access the file because it is being used by another process.

 (0x20)
14:48:41 (19732): Can't acquire lockfile (32) - waiting 35s
14:49:16 (19732): Can't acquire lockfile (32) - exiting
14:49:16 (19732): Error: The process cannot access the file because it is being used by another process.

 (0x20)
14:59:28 (27264): Can't acquire lockfile (32) - waiting 35s
15:00:03 (27264): Can't acquire lockfile (32) - exiting
15:00:03 (27264): Error: The process cannot access the file because it is being used by another process.

 (0x20)
15:10:16 (20892): Can't acquire lockfile (32) - waiting 35s
15:10:51 (20892): Can't acquire lockfile (32) - exiting
15:10:51 (20892): Error: The process cannot access the file because it is being used by another process.

 (0x20)
15:20:07 (23916): BOINC client no longer exists - exiting
15:20:07 (23916): timer handler: client dead, exiting
20:54:27 (8412): called boinc_finish(0)

</stderr_txt>
]]>