Closed Bug 1648035 Opened 2 years ago Closed 1 year ago

Intermittent Assertion failure: mChannelChild (no channel child in RecvOnStatus), at /builds/worker/checkouts/gecko/netwerk/protocol/http/HttpBackgroundChannelChild.cpp:160

Categories

(Core :: Networking, defect, P2)

defect

Tracking

()

RESOLVED FIXED
mozilla80
Tracking Status
firefox-esr68 --- unaffected
firefox-esr78 --- unaffected
firefox77 --- unaffected
firefox78 --- unaffected
firefox79 --- unaffected
firefox80 --- fixed

People

(Reporter: intermittent-bug-filer, Assigned: CuveeHsu)

References

(Regression)

Details

(Keywords: assertion, intermittent-failure)

Attachments

(1 file)

Filed by: rmaries [at] mozilla.com
Parsed log: https://treeherder.mozilla.org/logviewer.html#?job_id=307348114&repo=mozilla-central
Full log: https://firefox-ci-tc.services.mozilla.com/api/queue/v1/task/NBoSkDs6QqOcDBa4L_8yXw/runs/0/artifacts/public/logs/live_backing.log


[task 2020-06-24T10:11:01.102Z] 10:11:01 INFO - TEST-OK | layout/style/test/test_viewport_units.html | took 956ms
[task 2020-06-24T10:11:01.210Z] 10:11:01 INFO - TEST-START | layout/style/test/test_visited_image_loading.html
[task 2020-06-24T10:11:02.074Z] 10:11:02 INFO - GECKO(1251) | Assertion failure: mChannelChild (no channel child in RecvOnStatus), at /builds/worker/checkouts/gecko/netwerk/protocol/http/HttpBackgroundChannelChild.cpp:160
[task 2020-06-24T10:11:02.097Z] 10:11:02 INFO - Initializing stack-fixing for the first stack frame, this may take a while...
[task 2020-06-24T10:11:15.210Z] 10:11:15 INFO - GECKO(1251) | #01: mozilla::net::PHttpBackgroundChannelChild::OnMessageReceived(IPC::Message const&) [s3:gecko-generated-sources:3953984822d3c73ca95ea4653e9babb21069d4330c03bda8b5df4908eb71df338eee6c6cc7030881508cb9b30c90e91dee35cb9ee5a3be6f8ac76c3a1eabc20a/ipc/ipdl/PHttpBackgroundChannelChild.cpp::353]
[task 2020-06-24T10:11:15.212Z] 10:11:15 INFO - GECKO(1251) | #02: mozilla::ipc::PBackgroundChild::OnMessageReceived(IPC::Message const&) [s3:gecko-generated-sources:41612fc6af9262efb2d2d677bd6da4a915910879d9ca4103b71804c259fe061b62ce78f8538e58a75ca5626d60856b2d96713376271ce1f7e345feaa016bba14/ipc/ipdl/PBackgroundChild.cpp::6080]
[task 2020-06-24T10:11:15.212Z] 10:11:15 INFO - GECKO(1251) | #03: mozilla::ipc::MessageChannel::DispatchAsyncMessage(mozilla::ipc::ActorLifecycleProxy*, IPC::Message const&) [ipc/glue/MessageChannel.cpp:2170]

Component: CSS Parsing and Computation → Networking
Assignee: nobody → juhsu
Priority: P5 → P2
Regressions: 1633935
Regressed by: 1633935
No longer regressions: 1633935

most of the checks are not assertion in HttpChannelChild.
It could be possible that the ActorDestoryed is triggered during the HttpChannelChild serves data.

I would remove those assertions after taking more close look.

Pushed by juhsu@mozilla.com:
https://hg.mozilla.org/integration/autoland/rev/8881ac68a975
remove the false alarm assertion given mChild could be destroied by ActorDestory, r=mayhemer,necko-reviewers
Status: NEW → RESOLVED
Closed: 1 year ago
Resolution: --- → FIXED
Target Milestone: --- → mozilla80

The patch landed in nightly and beta is affected.
:junior, is this bug important enough to require an uplift?
If not please set status_beta to wontfix.

For more information, please visit auto_nag documentation.

Flags: needinfo?(juhsu)

The regressor is bug 1633935, which was backout-ed in 79

Flags: needinfo?(juhsu)
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