[SERVER-48161] Fassert during automated restore on 4.4.0-rc5 ent Created: 12/May/20  Updated: 27/Oct/23  Resolved: 15/Jun/20

Status: Closed
Project: Core Server
Component/s: Replication
Affects Version/s: None
Fix Version/s: None

Type: Bug Priority: Major - P3
Reporter: Louisa Berger Assignee: Judah Schvimer
Resolution: Gone away Votes: 0
Labels: None
Remaining Estimate: Not Specified
Time Spent: Not Specified
Original Estimate: Not Specified

Attachments: File dest.log.2020-05-10T22-49-06     File dest.log.2020-05-10T22-49-54     File dest.log_with_first_fassert_.2020-05-10T22-49-56     Text File source0.log     File source0.log.2020-05-10T22-40-54    
Issue Links:
Depends
depends on WT-6015 (4.4-only) Backup test appears to be ... Closed
Operating System: ALL
Participants:

 Description   

Running an automated restore from a MDB 4.2.6-ent / FCV 4.2 replica set WT checkpoint snapshot into a MDB 4.4.0-rc5-ent / FCV 4.4 replica set.

During this step in the automated restore process, we get an fassert trying to start up the 4.4.0-rc5-ent non-arbiter process as a standalone:

{"t":{"$date":"2020-05-10T23:13:33.648+00:00"},"s":"W",  "c":"STORAGE",  "id":22347,   "ctx":"initandlisten","msg":"Failed to start up WiredTiger under any compatibility version. This may be due to an unsupported upgrade or downgrade."}
{"t":{"$date":"2020-05-10T23:13:33.648+00:00"},"s":"F",  "c":"-",        "id":23089,   "ctx":"initandlisten","msg":"Fatal assertion","attr":{"msgid":28559,"file":"src/mongo/db/storage/wiredtiger/wiredtiger_util.cpp","line":64}}
{"t":{"$date":"2020-05-10T23:13:33.648+00:00"},"s":"F",  "c":"-",        "id":23090,   "ctx":"initandlisten","msg":"\n\n***aborting after fassert() failure\n\n"}
{"t":{"$date":"2020-05-10T23:13:33.648+00:00"},"s":"F",  "c":"CONTROL",  "id":4757800, "ctx":"initandlisten","msg":"{message}","attr":{"message":"Got signal: 6 (Aborted).\n"}}

Note – this did not happen with the same test on 4.4.0-rc3 or rc4.

Found this in an automated test – attaching a potentially excessive amount of mongo logs here in case you need the historical logs. 

cc judah.schvimer



 Comments   
Comment by Judah Schvimer [ 15/Jun/20 ]

Thanks tim.olsen!

Comment by Timothy Olsen (Inactive) [ 15/Jun/20 ]

It's fixed. We've been testing with rc9 since Thursday and the relevant backup tests were also reenabled then.

Comment by Timothy Olsen (Inactive) [ 15/Jun/20 ]

Louisa's on vacation. I'll try to run the tests against rc9 and get back to you

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