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Date:      Thu, 10 Sep 2020 10:24:00 +0000
From:      bugzilla-noreply@freebsd.org
To:        testing@FreeBSD.org
Subject:   [Bug 249229] bectl tests on openzfs seem to deadlock on armv7 ("KSTACK_PAGES is 2")
Message-ID:  <bug-249229-32464@https.bugs.freebsd.org/bugzilla/>

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D249229

            Bug ID: 249229
           Summary: bectl tests on openzfs seem to deadlock on armv7
                    ("KSTACK_PAGES is 2")
           Product: Base System
           Version: CURRENT
          Hardware: Any
                OS: Any
            Status: New
          Severity: Affects Only Me
          Priority: ---
         Component: tests
          Assignee: testing@FreeBSD.org
          Reporter: trasz@FreeBSD.org

The CI armv7 runs seem to deadlock during kyua run:

00:33:05.151 sbin/pfctl/pfctl_test:selfpf1002  ->  passed  [11.031s]
00:33:06.278 sbin/pfctl/pfctl_test:selfpf1003  ->  passed  [10.469s]
00:33:16.854 sbin/pfctl/pfctl_test:selfpf1004  ->  passed  [10.284s]
00:33:27.243 sbin/pfctl/pfctl_test:selfpf1005  ->  passed  [10.138s]
00:33:37.694 sbin/devd/client_test:seqpacket  ->  passed  [0.496s]
00:33:38.299 sbin/devd/client_test:stream  ->  passed  [0.470s]
00:33:47.960 sbin/bectl/bectl_test:bectl_create  ->  ZFS NOTICE: KSTACK_PAG=
ES
is 2 which could result in stack overflow panic!
00:33:50.333 Please consider adding 'options KSTACK_PAGES=3D4' to your kern=
el
config
07:59:05.190 qemu-system-arm: terminating on signal 15 from pid 65604 (time=
out)

See https://ci.freebsd.org/job/FreeBSD-head-armv7-test/70/console for test
output.

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