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os/signal: test timeout (entire VM hangs) on netbsd/386 (7.0.1 GENERIC) #16511

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os/signal: test timeout (entire VM hangs) on netbsd/386 (7.0.1 GENERIC)#16511
Labels
FrozenDueToAgeNeedsInvestigationSomeone must examine and confirm this is a valid issue and not a duplicate of an existing one.OS-NetBSD
Milestone
Go1.10

Description

@minux
minux
opened on Jul 27, 2016

I upgraded the netbsd/386 builder to the latest 7.0.1 release,
and suddenly a lot of the builds fail at os/signal.

E.g.
timeout:
https://build.golang.org/log/f4c637234824467172beb3c7fdaf61fbd403d55c
illegal instruction:
https://build.golang.org/log/d1841610bb2fd982671f4db6bd8d1836a0a2d735
(this log also shows a failure in runtime/pprof, which might be interesting
as well.)
SIGTRAP:
https://build.golang.org/log/7275a54c64635553b418a15a58475698cf772f64

Repeated run of os/signal tests showed that it's failing in TestStress.

/cc @ianlancetaylor any ideas?

Activity

  1. minux
    added
    OS-NetBSD
    on Jul 27, 2016
  2. minux
    added this to the Go1.8Early milestone on Jul 27, 2016

  3. bradfitz commented on Jul 27, 2016

    @bradfitz
    bradfitz
    on Jul 27, 2016
    Contributor

    Ian is on vacation.

  4. bradfitz commented on Jul 27, 2016

    @bradfitz
    bradfitz
    on Jul 27, 2016
    Contributor

    /cc @bsiegert @mdempsky

  5. bsiegert commented on Jul 27, 2016

    @bsiegert
    bsiegert
    on Jul 27, 2016
    Contributor

    Is that the same as #10027?

  6. minux commented on Jul 27, 2016

    @minux
    minux
    on Jul 27, 2016 via email
    MemberAuthor

  7. minux commented on Jul 27, 2016

    @minux
    minux
    on Jul 27, 2016 via email
    MemberAuthor

  8. ianlancetaylor commented on Jul 28, 2016

    @ianlancetaylor
    ianlancetaylor
    on Jul 28, 2016
    Contributor

    See if you can get the strace output (or dtruss, or whatever it is called on NetBSD) of signal.test -test.short -test.run=TestStress.

    Sounds like something is going wrong if a signal is received while handling that signal. Or, it's a problem with the alternate signal stack.

  9. quentinmit
    added
    WaitingForInfoIssue is not actionable because of missing required information, which needs to be provided.
    NeedsInvestigationSomeone must examine and confirm this is a valid issue and not a duplicate of an existing one.
    on Sep 26, 2016
  10. quentinmit
    modified the milestones: Go1.8Maybe, Go1.8Early on Sep 26, 2016

  11. rsc commented on Oct 20, 2016

    @rsc
    rsc
    on Oct 20, 2016
    Contributor

    If the entire builder VM freezes then it's probably not Go's fault. Sounds like a kernel problem.

  12. rsc
    changed the title [-]os/signal: test timeout on netbsd/386 (7.0.1 GENERIC)[/-] [+]os/signal: test timeout (entire VM hangs) on netbsd/386 (7.0.1 GENERIC)[/+] on Nov 2, 2016
  13. rsc
    modified the milestones: Go1.9, Go1.8Maybe on Nov 11, 2016

  14. wenheping commented on Feb 18, 2017

    @wenheping
    wenheping
    on Feb 18, 2017

    The same test error of Go-1.8 On NetBSD/amd64(7.0.1 GENERIC).

  15. bradfitz
    removed
    WaitingForInfoIssue is not actionable because of missing required information, which needs to be provided.
    on Mar 21, 2017
  16. gopherbot
    closed this as completedon Mar 21, 2017
  17. bradfitz
    reopened this on Mar 21, 2017
  18. bradfitz
    modified the milestones: Go1.10, Go1.9 on Jun 28, 2017

  19. gopherbot commented on Jun 28, 2017

    @gopherbot
    gopherbot
    on Jun 28, 2017
    Contributor

    CL https://golang.org/cl/47036 mentions this issue.

  20. gopherbot
    added a commit that references this issue on Jun 28, 2017

    doc: document the state of NetBSD in the Go 1.9 release notes

    3200207

  21. gopherbot commented on Nov 29, 2017

    @gopherbot
    gopherbot
    on Nov 29, 2017
    Contributor

    Change https://golang.org/cl/80515 mentions this issue: runtime: fix sysctl calling convention on netbsd/386

  22. gopherbot
    added a commit that references this issue on Nov 29, 2017

    runtime: fix sysctl calling convention on netbsd/386

    70ee9b4

  23. bradfitz commented on Nov 29, 2017

    @bradfitz
    bradfitz
    on Nov 29, 2017
    Contributor

    This is fixed by requiring NetBSD 8-BETA+.

  24. bradfitz
    closed this as completedon Nov 29, 2017
  25. golang
    locked and limited conversation to collaborators on Nov 29, 2018
  26. gopherbot
    added
    FrozenDueToAge
    on Nov 29, 2018
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