1940176 - Perma [tier 2] testBufferAllocator_stress | D:/task_173620039705312/src/js/src/jsapi-tests/testGCAllocator.cpp:679:CHECK failed: liveAllocs[index]

Status: RESOLVED FIXED

(Core :: JavaScript Engine, defect, P5)

Description

[Treeherder Bug Filer]

Filed by: nfay [at] mozilla.com
Parsed log: https://treeherder.mozilla.org/logviewer?job_id=488958909&repo=mozilla-central
Full log: https://firefox-ci-tc.services.mozilla.com/api/queue/v1/task/HJRNgyMZStilyNfVRMuDnA/runs/0/artifacts/public/logs/live_backing.log

---

[task 2025-01-06T22:23:21.123Z] TEST-PASS | testGCCellPtr | ok
[task 2025-01-06T22:23:21.123Z] testBufferAllocator_stress
[task 2025-01-06T22:23:21.138Z] heap == 49152, malloc == 1868
[task 2025-01-06T22:23:21.643Z] D:/task_173620039705312/src/js/src/jsapi-tests/testGCAllocator.cpp:679:CHECK failed: liveAllocs[index]
[task 2025-01-06T22:23:21.940Z] TEST-UNEXPECTED-FAIL | testBufferAllocator_stress | D:/task_173620039705312/src/js/src/jsapi-tests/testGCAllocator.cpp:679:CHECK failed: liveAllocs[index]
[task 2025-01-06T22:23:21.940Z] testBufferAllocator_predicatesOnOtherAllocs
[task 2025-01-06T22:23:21.961Z] TEST-PASS | testBufferAllocator_predicatesOnOtherAllocs | ok
[task 2025-01-06T22:23:21.961Z] testBufferAllocator_realloc
[task 2025-01-06T22:23:21.987Z] TEST-PASS | testBufferAllocator_realloc | ok
[task 2025-01-06T22:23:21.987Z] testBufferAllocator_API
[task 2025-01-06T22:23:22.003Z]       16 ->       24       8 (33.3%)
[task 2025-01-06T22:23:22.005Z]       17 ->       24       7 (29.2%)
[task 2025-01-06T22:23:22.006Z]       31 ->       56      25 (44.6%)
[task 2025-01-06T22:23:22.007Z]       32 ->       56      24 (42.9%)
[task 2025-01-06T22:23:22.007Z]      100 ->      120      20 (16.7%)
[task 2025-01-06T22:23:22.008Z]      200 ->      248      48 (19.4%)
[task 2025-01-06T22:23:22.008Z]      240 ->      248       8 (3.2%)
[task 2025-01-06T22:23:22.009Z]      256 ->      504     248 (49.2%)
[task 2025-01-06T22:23:22.009Z]     1000 ->     1016      16 (1.6%)
[task 2025-01-06T22:23:22.010Z]     4096 ->     8184    4088 (50.0%)
[task 2025-01-06T22:23:22.010Z]     5000 ->     8184    3184 (38.9%)
[task 2025-01-06T22:23:22.011Z]    16384 ->    32760   16376 (50.0%)
[task 2025-01-06T22:23:22.011Z]   102400 ->   131064   28664 (21.9%)
[task 2025-01-06T22:23:22.012Z]   261120 ->   262136    1016 (0.4%)
[task 2025-01-06T22:23:22.013Z]   262144 ->   524280  262136 (50.0%)
[task 2025-01-06T22:23:22.014Z]   614400 ->   618464    4064 (0.7%)
[task 2025-01-06T22:23:22.014Z]  3145728 ->  3149792    4064 (0.1%)
[task 2025-01-06T22:23:22.016Z] TEST-PASS | testBufferAllocator_API | ok
[task 2025-01-06T22:23:22.016Z] testGCAllocator
[task 2025-01-06T22:23:22.027Z] TEST-PASS | testGCAllocator | ok

Comment 1

[BugBot [:suhaib / :marco/ :calixte]]

:jonco, since you are the author of the regressor, bug 1911537, could you take a look?

For more information, please visit BugBot documentation.

Comment 2

[Jon Coppeard (:jonco)]

Attachment: Bug 1940176 - Allow OOM in buffer allocator stress test r?sfink

Because we allocate up to 500 buffers of random size of up to 4MB we can run
out of memory on some platforms. This patch makes the test tolerate this.

Comment 3

[BugBot [:suhaib / :marco/ :calixte]]

Set release status flags based on info from the regressing bug 1911537

Comment 4

[Pulsebot]

Pushed by [e-mail]:
https://hg.mozilla.org/integration/autoland/rev/c117f0b3d6d0
Allow OOM in buffer allocator stress test r=sfink

Comment 5

[amarc]

https://hg.mozilla.org/mozilla-central/rev/c117f0b3d6d0

Comment 6

[Intermittent Failures Robot]

Summary

8 failures in 3682 pushes (0.002 failures/push) were associated with this bug in the last 7 days.

Repository breakdown:

• mozilla-central: 8

Platform and build breakdown:

• windows2012-32: 8
  • opt: 8

Table

	no_variant
windows2012-32/opt	8

For more details, see:

https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1940176&startday=2025-01-06&endday=2025-01-12&tree=all