[Bug 2089133] [NEW] Flaky build-time tests while building on LP

Pushkar Kulkarni 2089133 at bugs.launchpad.net
Wed Nov 20 07:06:21 UTC 2024 

Public bug reported:

socat 1.8.0.1-2 was recently stuck in proposed due to failures of flaky
build time tests. After tens of iterations in a local chroot, I failed
to reproduce the failures. In my PPA attempts, I saw failures on i386
and amd64 but quite intermittently (I had to run 10 builds to see the
first failure).

Here is a list of flaky tests for ./test.sh:

i386
----
test 512 UNIX_RECVFROM_SENDTO_BIND_TEMPNAME: Option unix-bind-tempname... FAILED
 ./socat -t 0.003000  -lp server UNIX-RECVFROM:/tmp/buildd/17566/test512.sock0,fork PIPE &
2024/11/19 07:24:49 server[26106] E sendto(5, 0x6044a8d68000, 45, 0, AF=1 "/tmp/buildd/17566/test512.sock1.8TYGTC", 41): No such file or directory
2024/11/19 07:24:49 server[26087] W exiting on signal 15
 ./socat -t 0.003000  -lp tempname TCP4-LISTEN:12081,reuseaddr,fork UNIX-SENDTO:/tmp/buildd/17566/test512.sock0,bind-tempname=/tmp/buildd/17566/test512.sock1.XXXXXX &
2024/11/19 07:24:49 tempname[26089] W exiting on signal 15
 ./socat -t 0.003000  -lp client - TCP4-CONNECT:localhost:12081 &
 ./socat -t 0.003000  -lp client - TCP4-CONNECT:localhost:12081

test 516 ABSTRACT_RECVFROM_SENDTO_BIND_TEMPNAME: Option unix-bind-tempname... FAILED
 ./socat -t 0.003000  -lp server ABSTRACT-RECVFROM:/tmp/buildd/16728/test516.sock0,fork PIPE &
2024/11/19 07:29:30 server[25416] E sendto(5, 0x63bb2000, 45, 0, AF=1 "\0/tmp/buildd/16728/test516.sock1.8TYGTC\0", 42): Connection refused
2024/11/19 07:29:30 server[25398] W exiting on signal 15
 ./socat -t 0.003000  -lp tempname TCP4-LISTEN:12085,reuseaddr,fork ABSTRACT-SENDTO:/tmp/buildd/16728/test516.sock0,bind-tempname=/tmp/buildd/16728/test516.sock1.XXXXXX &
2024/11/19 07:29:30 tempname[25401] W exiting on signal 15
 ./socat -t 0.003000  -lp client - TCP4-CONNECT:localhost:12085 &
 ./socat -t 0.003000  -lp client - TCP4-CONNECT:localhost:12085
diff b:
1d0

---


amd64
-----

test  16 SYSTEMPIPESFDS: simple echo via system() of cat with pipes, non stdio... FAILED:
 ./socat -t 0.003000  - SYSTEM:cat>&9 <&8,pipes,fdin=8,fdout=9
cat: write error: Broken pipe
2024/11/19 07:22:56 socat[17846] W exiting on signal 15

test  22 SYSTEMPIPESFDSFLUSH: call to od via system() with pipes, non stdio... FAILED: diff:
 ./socat -t 0.003000  - SYSTEM:od -c>&9 <&8,pipes,fdin=8,fdout=9
od: write error: Broken pipe
2024/11/19 07:22:56 socat[17911] W exiting on signal 15
1,4d0
< 0000000   T   u   e       N   o   v       1   9       0   7   :   2   2
< 0000020   :   5   6       U   T   C       2   0   2   4       4   0   6
< 0000040   5  \n
< 0000042


test 512 UNIX_RECVFROM_SENDTO_BIND_TEMPNAME: Option unix-bind-tempname... FAILED
 ./socat -t 0.003000  -lp server UNIX-RECVFROM:/tmp/buildd/17566/test512.sock0,fork PIPE &
2024/11/19 07:24:49 server[26106] E sendto(5, 0x6044a8d68000, 45, 0, AF=1 "/tmp/buildd/17566/test512.sock1.8TYGTC", 41): No such file or directory
2024/11/19 07:24:49 server[26087] W exiting on signal 15
 ./socat -t 0.003000  -lp tempname TCP4-LISTEN:12081,reuseaddr,fork UNIX-SENDTO:/tmp/buildd/17566/test512.sock0,bind-tempname=/tmp/buildd/17566/test512.sock1.XXXXXX &
2024/11/19 07:24:49 tempname[26089] W exiting on signal 15
 ./socat -t 0.003000  -lp client - TCP4-CONNECT:localhost:12081 &
 ./socat -t 0.003000  -lp client - TCP4-CONNECT:localhost:12081


These look like infrastructure-related issues local to Launchpad. For
now, socat has migrated through a build retry. But we might consider
disabling some of these tests.

** Affects: socat (Ubuntu)
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/2089133

Title:
  Flaky build-time tests while building on LP

Status in socat package in Ubuntu:
  New

Bug description:
  socat 1.8.0.1-2 was recently stuck in proposed due to failures of
  flaky build time tests. After tens of iterations in a local chroot, I
  failed to reproduce the failures. In my PPA attempts, I saw failures
  on i386 and amd64 but quite intermittently (I had to run 10 builds to
  see the first failure).

  Here is a list of flaky tests for ./test.sh:

  i386
  ----
  test 512 UNIX_RECVFROM_SENDTO_BIND_TEMPNAME: Option unix-bind-tempname... FAILED
   ./socat -t 0.003000  -lp server UNIX-RECVFROM:/tmp/buildd/17566/test512.sock0,fork PIPE &
  2024/11/19 07:24:49 server[26106] E sendto(5, 0x6044a8d68000, 45, 0, AF=1 "/tmp/buildd/17566/test512.sock1.8TYGTC", 41): No such file or directory
  2024/11/19 07:24:49 server[26087] W exiting on signal 15
   ./socat -t 0.003000  -lp tempname TCP4-LISTEN:12081,reuseaddr,fork UNIX-SENDTO:/tmp/buildd/17566/test512.sock0,bind-tempname=/tmp/buildd/17566/test512.sock1.XXXXXX &
  2024/11/19 07:24:49 tempname[26089] W exiting on signal 15
   ./socat -t 0.003000  -lp client - TCP4-CONNECT:localhost:12081 &
   ./socat -t 0.003000  -lp client - TCP4-CONNECT:localhost:12081

  test 516 ABSTRACT_RECVFROM_SENDTO_BIND_TEMPNAME: Option unix-bind-tempname... FAILED
   ./socat -t 0.003000  -lp server ABSTRACT-RECVFROM:/tmp/buildd/16728/test516.sock0,fork PIPE &
  2024/11/19 07:29:30 server[25416] E sendto(5, 0x63bb2000, 45, 0, AF=1 "\0/tmp/buildd/16728/test516.sock1.8TYGTC\0", 42): Connection refused
  2024/11/19 07:29:30 server[25398] W exiting on signal 15
   ./socat -t 0.003000  -lp tempname TCP4-LISTEN:12085,reuseaddr,fork ABSTRACT-SENDTO:/tmp/buildd/16728/test516.sock0,bind-tempname=/tmp/buildd/16728/test516.sock1.XXXXXX &
  2024/11/19 07:29:30 tempname[25401] W exiting on signal 15
   ./socat -t 0.003000  -lp client - TCP4-CONNECT:localhost:12085 &
   ./socat -t 0.003000  -lp client - TCP4-CONNECT:localhost:12085
  diff b:
  1d0

  ---


  amd64
  -----

  test  16 SYSTEMPIPESFDS: simple echo via system() of cat with pipes, non stdio... FAILED:
   ./socat -t 0.003000  - SYSTEM:cat>&9 <&8,pipes,fdin=8,fdout=9
  cat: write error: Broken pipe
  2024/11/19 07:22:56 socat[17846] W exiting on signal 15

  test  22 SYSTEMPIPESFDSFLUSH: call to od via system() with pipes, non stdio... FAILED: diff:
   ./socat -t 0.003000  - SYSTEM:od -c>&9 <&8,pipes,fdin=8,fdout=9
  od: write error: Broken pipe
  2024/11/19 07:22:56 socat[17911] W exiting on signal 15
  1,4d0
  < 0000000   T   u   e       N   o   v       1   9       0   7   :   2   2
  < 0000020   :   5   6       U   T   C       2   0   2   4       4   0   6
  < 0000040   5  \n
  < 0000042

  
  test 512 UNIX_RECVFROM_SENDTO_BIND_TEMPNAME: Option unix-bind-tempname... FAILED
   ./socat -t 0.003000  -lp server UNIX-RECVFROM:/tmp/buildd/17566/test512.sock0,fork PIPE &
  2024/11/19 07:24:49 server[26106] E sendto(5, 0x6044a8d68000, 45, 0, AF=1 "/tmp/buildd/17566/test512.sock1.8TYGTC", 41): No such file or directory
  2024/11/19 07:24:49 server[26087] W exiting on signal 15
   ./socat -t 0.003000  -lp tempname TCP4-LISTEN:12081,reuseaddr,fork UNIX-SENDTO:/tmp/buildd/17566/test512.sock0,bind-tempname=/tmp/buildd/17566/test512.sock1.XXXXXX &
  2024/11/19 07:24:49 tempname[26089] W exiting on signal 15
   ./socat -t 0.003000  -lp client - TCP4-CONNECT:localhost:12081 &
   ./socat -t 0.003000  -lp client - TCP4-CONNECT:localhost:12081


  These look like infrastructure-related issues local to Launchpad. For
  now, socat has migrated through a build retry. But we might consider
  disabling some of these tests.

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