Date: Wed, 08 Feb 2017 08:13:04 +0000 From: bugzilla-noreply@freebsd.org To: freebsd-bugs@FreeBSD.org Subject: [Bug 216905] proces hung in STOP, CPU 100% system, thread in PCPU_GET(cpuid) Message-ID: <bug-216905-8@https.bugs.freebsd.org/bugzilla/>
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D216905 Bug ID: 216905 Summary: proces hung in STOP, CPU 100% system, thread in PCPU_GET(cpuid) Product: Base System Version: 10.3-RELEASE Hardware: amd64 OS: Any Status: New Severity: Affects Only Me Priority: --- Component: kern Assignee: freebsd-bugs@FreeBSD.org Reporter: erohin.konstantin.88@yandex.ru CC: freebsd-amd64@FreeBSD.org CC: freebsd-amd64@FreeBSD.org Created attachment 179745 --> https://bugs.freebsd.org/bugzilla/attachment.cgi?id=3D179745&action= =3Dedit kgdb inspect proc, threads 10.3-RELEASE-p7, our jailed process named `udpd` hangs in STOP state. According to top it uses 100% CPU: PID USERNAME THR PRI NICE SIZE RES STATE C TIME WCPU COMMA= ND 25041 10001 2 20 0 30061M 21536M STOP 26 2783.5 100.00% udpd CPU id 26 is 100% system time. gdb/lldb/truss cant attach to process. Process has two threads^ ps HO wchan,nwchan,ppid -p 25041 PID WCHAN NWCHAN PPID TT STAT TIME COMMAND 25041 - - 1 - RJ 165992:29.29 bin/udpd --config=3Detc/transport.cfg --subcfg=3Detc/transport --daemonize --pid-file=3D/usr/local/ksn/var/ksn.udpd.pid --trace-file=3Dlog/udpd_trace.= txt --trace-level=3D500 25041 - - 1 - TJ 1:36.89 bin/udpd --config=3Detc/transport.cfg --subcfg=3Detc/transport --daemonize --pid-file=3D/usr/local/ksn/var/ksn.udpd.pid --trace-file=3Dlog/udpd_trace.= txt --trace-level=3D500 Collected some info about threand and proc via kgdb. --=20 You are receiving this mail because: You are the assignee for the bug.=
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