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E2E: Messages do not send and stay in green #2541

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manuroe opened this issue Jul 3, 2019 · 1 comment · Fixed by matrix-org/matrix-ios-sdk#701
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E2E: Messages do not send and stay in green #2541

manuroe opened this issue Jul 3, 2019 · 1 comment · Fixed by matrix-org/matrix-ios-sdk#701
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A-E2EE-Key-Backup P1 T-Defect Something isn't working: bugs, crashes, hangs and other reported problems
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Sprint 21

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manuroe commented Jul 3, 2019 •
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Rageshakes:

To check:
@manuroe manuroe added T-Defect Something isn't working: bugs, crashes, hangs and other reported problems P1 A-E2EE-Key-Backup labels Jul 3, 2019
@manuroe manuroe added this to the Sprint 20 milestone Jul 8, 2019
@manuroe manuroe self-assigned this Jul 8, 2019
@manuroe manuroe mentioned this issue Jul 9, 2019
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manuroe commented Jul 22, 2019

matrix-org/riot-ios-rageshakes#2637 reveals that there is a race condition when the code downloads the same devices keys twice in a row.

In that case, the 2nd request displays

[MXDeviceList] downloadKeys: waiting for in-flight query to complete

whereas the 1st request completes just before ([MXDeviceListOperationsPool] doKeyDownloadForUsers -> DONE. Got keys for x users and y devices).

In that race condition, the code forever waits for this no more in-flight query of the 2nd request.

manuroe added a commit to matrix-org/matrix-ios-sdk that referenced this issue Jul 22, 2019
@manuroe
Crypto: Fix a race condition that prevented message from being sent
12db144 
element-hq/element-ios/issues/2541

The full description of the race is given at element-hq/element-ios#2541 (comment)
manuroe added a commit to matrix-org/matrix-ios-sdk that referenced this issue Jul 22, 2019
@manuroe
Crypto: Add a test for element-hq/element-ios/issues/2541 (Messages d…
d1ff11d 
…o not send and stay in green)
@manuroe manuroe mentioned this issue Jul 22, 2019
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@manuroe manuroe modified the milestones: Sprint 20, Sprint 21 Jul 31, 2019
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A-E2EE-Key-Backup P1 T-Defect Something isn't working: bugs, crashes, hangs and other reported problems
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Crypto: Fix a race condition that prevented message from being sent matrix-org/matrix-ios-sdk
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