[SERVER-28809] Add a warning message at end of hang_analyzer.py if a ptrace error occurs in GDB on Linux Created: 14/Apr/17  Updated: 06/Dec/22

Status: Backlog
Project: Core Server
Component/s: Testing Infrastructure
Affects Version/s: None
Fix Version/s: None

Type: Improvement Priority: Major - P3
Reporter: Eddie Louie Assignee: Backlog - Server Tooling and Methods (STM) (Inactive)
Resolution: Unresolved Votes: 0
Labels: move-sdp-candidate, neweng, tig-hanganalyzer
Remaining Estimate: Not Specified
Time Spent: Not Specified
Original Estimate: Not Specified

Issue Links:
Related
Assigned Teams:
Server Tooling & Methods
Sprint: TIG 2017-06-19
Participants:

 Description   

If we run the hang_analyzer.py without sudo or with ptrace restriction enabled then GDB may not be able to attach to processes. We should dump a warning message to the effect that the user has to use sudo, or change their configuration to have kernel.yama.ptrace_scope = 0 in the /etc/sysctl.d/10-ptrace.conf file. Could also temporarily disable ptrace restriction with echo 0 | sudo tee /proc/sys/kernel/yama/ptrace_scope



 Comments   
Comment by Steven Vannelli [ 10/May/22 ]

Moving this ticket to the Backlog and removing the "Backlog" fixVersion as per our latest policy for using fixVersions.

Comment by Cristopher Stauffer [ 06/Jul/17 ]

I'm going to assign this back to backlog for now as I don't have time to dig into this ticket and it should be considered as another new eng ticket.

Comment by Cristopher Stauffer [ 25/May/17 ]

Yes, max.hirschhorn I thought getting a chance to work with 2 different tickets (and 2 different people) would be valuable. I'm working with Robert today on the first one and will take on this one in the next iteration.

Comment by Max Hirschhorn [ 25/May/17 ]

cristopher.stauffer, were you interested in picking this ticket up for the next iteration as well?

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