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[Test Issue] [OpcacheOn] Opcache/opt test case fail when opcache.opt_debug_level=0x20000 #46

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opened 2026-01-24 11:40:29 +01:00 by admin · 5 comments
admin commented 2026-01-24 11:40:29 +01:00
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Originally created by @hollyhuiLi on GitHub (Aug 27, 2019).

among all the opt test cases, 26 test cases having debug level 0x020000 all failed.

ext/opcache/tests/opt/dce_001.phpt
ext/opcache/tests/opt/dce_002.phpt
ext/opcache/tests/opt/dce_003.phpt
ext/opcache/tests/opt/dce_004.phpt
ext/opcache/tests/opt/dce_005.phpt
ext/opcache/tests/opt/dce_006.phpt
ext/opcache/tests/opt/dce_007.phpt
ext/opcache/tests/opt/dce_008.phpt
ext/opcache/tests/opt/jmp_001.phpt
ext/opcache/tests/opt/sccp_001.phpt
ext/opcache/tests/opt/sccp_002.phpt
ext/opcache/tests/opt/sccp_003.phpt
ext/opcache/tests/opt/sccp_004.phpt
ext/opcache/tests/opt/sccp_005.phpt
ext/opcache/tests/opt/sccp_006.phpt
ext/opcache/tests/opt/sccp_007.phpt
ext/opcache/tests/opt/sccp_008.phpt
ext/opcache/tests/opt/sccp_009.phpt
ext/opcache/tests/opt/sccp_010.phpt
ext/opcache/tests/opt/sccp_011.phpt
ext/opcache/tests/opt/sccp_012.phpt
ext/opcache/tests/opt/sccp_016.phpt
ext/opcache/tests/opt/sccp_017.phpt
ext/opcache/tests/opt/sccp_019.phpt
ext/opcache/tests/opt/sccp_022.phpt
ext/opcache/tests/opt/sccp_024.phpt

Originally created by @hollyhuiLi on GitHub (Aug 27, 2019). among all the opt test cases, 26 test cases having debug level 0x020000 all failed. ext/opcache/tests/opt/dce_001.phpt ext/opcache/tests/opt/dce_002.phpt ext/opcache/tests/opt/dce_003.phpt ext/opcache/tests/opt/dce_004.phpt ext/opcache/tests/opt/dce_005.phpt ext/opcache/tests/opt/dce_006.phpt ext/opcache/tests/opt/dce_007.phpt ext/opcache/tests/opt/dce_008.phpt ext/opcache/tests/opt/jmp_001.phpt ext/opcache/tests/opt/sccp_001.phpt ext/opcache/tests/opt/sccp_002.phpt ext/opcache/tests/opt/sccp_003.phpt ext/opcache/tests/opt/sccp_004.phpt ext/opcache/tests/opt/sccp_005.phpt ext/opcache/tests/opt/sccp_006.phpt ext/opcache/tests/opt/sccp_007.phpt ext/opcache/tests/opt/sccp_008.phpt ext/opcache/tests/opt/sccp_009.phpt ext/opcache/tests/opt/sccp_010.phpt ext/opcache/tests/opt/sccp_011.phpt ext/opcache/tests/opt/sccp_012.phpt ext/opcache/tests/opt/sccp_016.phpt ext/opcache/tests/opt/sccp_017.phpt ext/opcache/tests/opt/sccp_019.phpt ext/opcache/tests/opt/sccp_022.phpt ext/opcache/tests/opt/sccp_024.phpt
admin added the bug label 2026-01-24 11:40:29 +01:00
admin commented 2026-01-24 11:40:29 +01:00
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@cmb69 commented on GitHub (Aug 27, 2019):

I can reproduce this (Windows only) with run-test.php, so this is not directly related to PFTT, but rather a general issue. Please file a bug report in the bugtracker, and close this ticket afterwards. Thanks.

@cmb69 commented on GitHub (Aug 27, 2019): I can reproduce this (Windows only) with run-test.php, so this is not directly related to PFTT, but rather a general issue. Please file a bug report in the [bugtracker](https://bugs.php.net/), and close this ticket afterwards. Thanks.
admin commented 2026-01-24 11:40:29 +01:00
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@hollyhuiLi commented on GitHub (Aug 28, 2019):

But from my side, it doesn't repro with run-test.php...

@hollyhuiLi commented on GitHub (Aug 28, 2019): But from my side, it doesn't repro with run-test.php...
admin commented 2026-01-24 11:40:29 +01:00
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@cmb69 commented on GitHub (Aug 28, 2019):

Thanks! So I'll have a closer look ASAP.

@cmb69 commented on GitHub (Aug 28, 2019): Thanks! So I'll have a closer look ASAP.
admin commented 2026-01-24 11:40:30 +01:00
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@cmb69 commented on GitHub (Aug 29, 2019):

You're right. The problem is that these opcache dumps are written to stderr, but apparently stderr is ignored by the test output reader.

@cmb69 commented on GitHub (Aug 29, 2019): You're right. The problem is that these opcache dumps are written to stderr, but apparently stderr is ignored by the test output reader.
admin commented 2026-01-24 11:40:30 +01:00
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@cmb69 commented on GitHub (Sep 2, 2019):

[…] but apparently stderr is ignored by the test output reader.

Hmm, not always at least (a respective comment is confusing). When debugging, sometimes the tests passed for me. Also setting opcache.log_verbosity_level to 2 (instead of 0) and triggering an OPcache warning (e.g. by setting opcache.file_cache to a non existing folder) makes the tests pass (unless opcache.error_log is set). Looks like some stderr output is ignored, but I don't know why.

@cmb69 commented on GitHub (Sep 2, 2019): > […] but apparently stderr is ignored by the test output reader. Hmm, not always at least (a [respective comment](https://github.com/php/pftt2/blob/1354c8c0f18ed9a49f3fd353d8a6f823131ea7b6/src/com/mostc/pftt/host/LocalHost.java#L474) is confusing). When debugging, sometimes the tests passed for me. Also setting `opcache.log_verbosity_level` to 2 (instead of 0) and triggering an OPcache warning (e.g. by setting `opcache.file_cache` to a non existing folder) makes the tests pass (unless `opcache.error_log` is set). Looks like some stderr output is ignored, but I don't know why.
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Reference: php/pftt2#46
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