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Bug #45715

closed

Blacklist leads to potential rewatch live-lock loop

Added by Jason Dillaman almost 4 years ago. Updated almost 4 years ago.

Status:
Resolved
Priority:
Normal
Assignee:
Jason Dillaman
Target version:
-
% Done:

0%

Source:
Tags:
Backport:
nautilus,octopus
Regression:
No
Severity:
3 - minor
Reviewed:
Affected Versions:
ceph-qa-suite:
Pull request ID:
35301
Crash signature (v1):
Crash signature (v2):

Description

2020-05-22T17:37:06.176+0000 7f3c5b3a8700 10 librbd::Watcher: 0x5564c65f8240 rewatch:
2020-05-22T17:37:06.176+0000 7f3c5b3a8700 10 librbd::watcher::RewatchRequest: 0x5564c2bc69b0 rewatch
2020-05-22T17:37:06.176+0000 7f3c743da700 10 librbd::watcher::RewatchRequest: 0x5564ca060230 handle_rewatch r=-108
2020-05-22T17:37:06.176+0000 7f3c743da700 -1 librbd::watcher::RewatchRequest: 0x5564ca060230 handle_rewatch failed to watch object: (108) Cannot send after transport endpoint shutdown
2020-05-22T17:37:06.176+0000 7f3c743da700 10 librbd::watcher::RewatchRequest: 0x5564ca060230 finish r=-108
2020-05-22T17:37:06.176+0000 7f3c743da700 10 librbd::Watcher: 0x5564be582b40 handle_rewatch: r=-108
2020-05-22T17:37:06.176+0000 7f3c743da700 -1 librbd::Watcher: 0x5564be582b40 handle_rewatch: client blacklisted
2020-05-22T17:37:06.176+0000 7f3c5b3a8700 10 librbd::Watcher: 0x5564be582b40 handle_rewatch_callback: r=-108
2020-05-22T17:37:06.176+0000 7f3c5b3a8700 10 librbd::ImageWatcher: 0x5564be582b40 handle_rewatch_complete: r=-108
2020-05-22T17:37:06.176+0000 7f3c5b3a8700 10 librbd::ImageWatcher: 0x5564be582b40 image header updated
2020-05-22T17:37:06.176+0000 7f3c5b3a8700 20 librbd::ImageState: 0x5564c8c47a80 handle_update_notification: refresh_seq = 302, last_refresh = 8
2020-05-22T17:37:06.176+0000 7f3c5b3a8700 20 librbd::ImageState: 0x5564cc0f90a0 ImageUpdateWatchers::notify
2020-05-22T17:37:06.176+0000 7f3c5b3a8700 10 librbd::Watcher: 0x5564be582b40 rewatch:
2020-05-22T17:37:06.176+0000 7f3c5b3a8700 10 librbd::watcher::RewatchRequest: 0x5564c88a7310 rewatch
2020-05-22T17:37:06.177+0000 7f3c743da700 10 librbd::watcher::RewatchRequest: 0x5564c88a7310 handle_rewatch r=-108
2020-05-22T17:37:06.177+0000 7f3c743da700 -1 librbd::watcher::RewatchRequest: 0x5564c88a7310 handle_rewatch failed to watch object: (108) Cannot send after transport endpoint shutdown
2020-05-22T17:37:06.177+0000 7f3c743da700 10 librbd::watcher::RewatchRequest: 0x5564c88a7310 finish r=-108
2020-05-22T17:37:06.177+0000 7f3c743da700 10 librbd::Watcher: 0x5564be582b40 handle_rewatch: r=-108
2020-05-22T17:37:06.177+0000 7f3c743da700 -1 librbd::Watcher: 0x5564be582b40 handle_rewatch: client blacklisted
2020-05-22T17:37:06.177+0000 7f3c5b3a8700 10 librbd::Watcher: 0x5564be582b40 handle_rewatch_callback: r=-108
2020-05-22T17:37:06.177+0000 7f3c5b3a8700 10 librbd::ImageWatcher: 0x5564be582b40 handle_rewatch_complete: r=-108
2020-05-22T17:37:06.177+0000 7f3c5b3a8700 10 librbd::ImageWatcher: 0x5564be582b40 image header updated
2020-05-22T17:37:06.177+0000 7f3c5b3a8700 20 librbd::ImageState: 0x5564c8c47a80 handle_update_notification: refresh_seq = 303, last_refresh = 8
2020-05-22T17:37:06.177+0000 7f3c5b3a8700 20 librbd::ImageState: 0x5564cc0f90a0 ImageUpdateWatchers::notify

Related issues 2 (0 open — 2 closed)

Copied to rbd - Backport #45800: nautilus: Blacklist leads to potential rewatch live-lock loopResolvedNathan CutlerActions
Copied to rbd - Backport #45801: octopus: Blacklist leads to potential rewatch live-lock loopResolvedNathan CutlerActions
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 #1

Updated by Jason Dillaman almost 4 years ago

  • Status changed from New to In Progress
  • Assignee set to Jason Dillaman
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 #2

Updated by Jason Dillaman almost 4 years ago

  • Status changed from In Progress to Fix Under Review
  • Pull request ID set to 35301
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 #3

Updated by Mykola Golub almost 4 years ago

  • Status changed from Fix Under Review to Pending Backport
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 #4

Updated by Nathan Cutler almost 4 years ago

  • Copied to Backport #45800: nautilus: Blacklist leads to potential rewatch live-lock loop added
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 #5

Updated by Nathan Cutler almost 4 years ago

  • Copied to Backport #45801: octopus: Blacklist leads to potential rewatch live-lock loop added
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 #6

Updated by Nathan Cutler almost 4 years ago

  • Status changed from Pending Backport to Resolved

While running with --resolve-parent, the script "backport-create-issue" noticed that all backports of this issue are in status "Resolved" or "Rejected".

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