Date: Thu, 12 Nov 2015 11:48:43 +0100 From: Johan Schuijt-Li <johan@300.nl> To: Slawa Olhovchenkov <slw@zxy.spb.ru> Cc: freebsd-stable@freebsd.org Subject: Re: Unkillable process in STOP state Message-ID: <3CF03A81-3C47-45D1-8324-F9BE50E0BD3E@300.nl> In-Reply-To: <20151112104558.GW31314@zxy.spb.ru> References: <20151112001249.GI48728@zxy.spb.ru> <72B672CE-DDDE-4E3D-83C9-617B5225960D@300.nl> <20151112104558.GW31314@zxy.spb.ru>
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Yeah, the only difference we had that for us the status was 'Ds' rather = then 'STOP'. So the status is most likely irrelevant, at least the = traces are exactly the same! :) - Johan > On 12 Nov 2015, at 11:45, Slawa Olhovchenkov <slw@zxy.spb.ru> wrote: >=20 > On Thu, Nov 12, 2015 at 07:05:46AM +0100, Johan Schuijt-Li wrote: >=20 >> This seems like the exact same problem as that we=E2=80=99ve had, = more details can be found in the following PR: >> https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D200992 = <https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D200992>; >=20 > May be. Other time I am see "sleep without queue" status >=20 >> The patch attached there solved all our problems. >=20 > I am try this patch on next update, thanks. >=20 >> - Johan >>=20 >>=20 >>> On 12 Nov 2015, at 01:12, Slawa Olhovchenkov <slw@zxy.spb.ru> wrote: >>>=20 >>> I have amd64, STABLE r288167. >>>=20 >>> root@edge09:/home/admin # procstat -k -k 627 >>> PID TID COMM TDNAME KSTACK = =20 >>> 627 100167 tcpkali.new - mi_switch+0xe1 = thread_suspend_switch+0x170 thread_single+0x4e5 exit1+0xbe = sys_sys_exit+0xe amd64_syscall+0x357 Xfast_syscall+0xfb=20 >>> 627 100172 tcpkali.new - mi_switch+0xe1 = sleepq_timedwait_sig+0x8b _sleep+0x238 kern_kevent+0x401 = sys_kevent+0x12a amd64_syscall+0x357 Xfast_syscall+0xfb=20 >>> 627 100173 tcpkali.new - mi_switch+0xe1 = sleepq_timedwait_sig+0x8b _sleep+0x238 kern_kevent+0x401 = sys_kevent+0x12a amd64_syscall+0x357 Xfast_syscall+0xfb=20 >>> 627 100174 tcpkali.new - mi_switch+0xe1 = sleepq_timedwait_sig+0x8b _sleep+0x238 kern_kevent+0x401 = sys_kevent+0x12a amd64_syscall+0x357 Xfast_syscall+0xfb=20 >>> 627 100175 tcpkali.new - mi_switch+0xe1 = sleepq_timedwait_sig+0x8b _sleep+0x238 kern_kevent+0x401 = sys_kevent+0x12a amd64_syscall+0x357 Xfast_syscall+0xfb=20 >>> 627 100178 tcpkali.new - mi_switch+0xe1 = sleepq_timedwait_sig+0x8b _sleep+0x238 kern_kevent+0x401 = sys_kevent+0x12a amd64_syscall+0x357 Xfast_syscall+0xfb=20 >>> 627 100180 tcpkali.new - mi_switch+0xe1 = sleepq_timedwait_sig+0x8b _sleep+0x238 kern_kevent+0x401 = sys_kevent+0x12a amd64_syscall+0x357 Xfast_syscall+0xfb=20 >>> 627 102207 tcpkali.new - mi_switch+0xe1 = sleepq_timedwait_sig+0x8b _sleep+0x238 kern_kevent+0x401 = sys_kevent+0x12a amd64_syscall+0x357 Xfast_syscall+0xfb=20 >>> 627 102208 tcpkali.new - mi_switch+0xe1 = sleepq_timedwait_sig+0x8b _sleep+0x238 kern_kevent+0x401 = sys_kevent+0x12a amd64_syscall+0x357 Xfast_syscall+0xfb=20 >>> 627 102209 tcpkali.new - mi_switch+0xe1 = sleepq_timedwait_sig+0x8b _sleep+0x238 kern_kevent+0x401 = sys_kevent+0x12a amd64_syscall+0x357 Xfast_syscall+0xfb=20 >>> 627 102211 tcpkali.new - mi_switch+0xe1 = sleepq_timedwait_sig+0x8b _sleep+0x238 kern_kevent+0x401 = sys_kevent+0x12a amd64_syscall+0x357 Xfast_syscall+0xfb=20 >>> root@edge09:/home/admin # procstat -t 627 >>> PID TID COMM TDNAME CPU PRI STATE WCHAN = =20 >>> 627 100167 tcpkali.new - 10 120 stop - = =20 >>> 627 100172 tcpkali.new - 3 152 stop - = =20 >>> 627 100173 tcpkali.new - 5 152 stop - = =20 >>> 627 100174 tcpkali.new - 3 152 stop - = =20 >>> 627 100175 tcpkali.new - 2 149 stop - = =20 >>> 627 100178 tcpkali.new - 5 152 stop - = =20 >>> 627 100180 tcpkali.new - 2 132 stop - = =20 >>> 627 102207 tcpkali.new - 5 136 stop - = =20 >>> 627 102208 tcpkali.new - 3 152 stop - = =20 >>> 627 102209 tcpkali.new - 5 139 stop - = =20 >>> 627 102211 tcpkali.new - 1 120 stop - = =20 >>>=20 >>> kill -STOP don't have effect. >>> gdb can't be attached. >>> _______________________________________________ >>> freebsd-stable@freebsd.org mailing list >>> https://lists.freebsd.org/mailman/listinfo/freebsd-stable >>> To unsubscribe, send any mail to = "freebsd-stable-unsubscribe@freebsd.org" >>=20
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