ACK/Cmnt: [SRU][Q/N/J][PATCH 0/1] ubuntu_kselftests:_net/net:gre_gso.sh failing (LP: #2136820)

[Stefan Bader]

On 18/12/2025 18:07, Kuba Pawlak wrote:
> BugLink: https://bugs.launchpad.net/bugs/2136820
> 
> rarely gre_gso.sh fails with socat getting killed by signal 15. Note that in the
> log below two "exiting on signal 15" are ok. The first one should not be there.
> 
> 
> 1002773  01:08:59 DEBUG| Running 'make run_tests -C net TEST_PROGS=gre_gso.sh
> TEST_GEN_PROGS='' TEST_CUSTOM_PROGS='''
> 1002774  01:08:59 DEBUG| [stdout] make: Entering directory '/home/ubuntu/autotes
> t/client/tmp/ubuntu_kselftests_net/src/linux/tools/testing/selftests/net'
> 1002775  01:08:59 DEBUG| [stdout] TAP version 13
> 1002776  01:08:59 DEBUG| [stdout] 1..1
> 1002777  01:08:59 DEBUG| [stdout] # timeout set to 0
> 1002778  01:08:59 DEBUG| [stdout] # selftests: net: gre_gso.sh
> 1002779  01:09:02 DEBUG| [stdout] # 2025/11/28 01:09:02 socat[689576] W exiting
> on signal 15
> 1002780  01:09:02 DEBUG| [stdout] # TEST: GREv6/v4 - copy file w/ TSO [FAIL]
> 1002781  01:09:02 DEBUG| [stdout] # TEST: GREv6/v4 - copy file w/ GSO [ OK ]
> 1002782  01:09:02 DEBUG| [stdout] # 2025/11/28 01:09:02 socat[689568] W exiting
> on signal 15
> 1002783  01:09:03 DEBUG| [stdout] # TEST: GREv6/v6 - copy file w/ TSO [ OK ]
> 1002784  01:09:03 DEBUG| [stdout] # TEST: GREv6/v6 - copy file w/ GSO [ OK ]
> 1002785  01:09:03 DEBUG| [stdout] # 2025/11/28 01:09:03 socat[689583] W exiting
> on signal 15
> 1002786  01:09:03 DEBUG| [stdout] #
> 1002787  01:09:03 DEBUG| [stdout] # Tests passed: 3
> 1002788  01:09:03 DEBUG| [stdout] # Tests failed: 1
> 1002789  01:09:03 DEBUG| [stdout] not ok 1 selftests: net: gre_gso.sh # exit=1
> 
> 
> This is most likely timing issue and can be mitigated by increasing timeout for
> socat from 1 to 3 seconds.
> 
While it would be nice to have upstream it should not be a problem to 
use longer timeouts in released series for now.

Acked-by: Stefan Bader <stefan.bader at canonical.com>
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