From owner-freebsd-current@freebsd.org Mon Sep 16 11:55:50 2019 Return-Path: Delivered-To: freebsd-current@mailman.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.nyi.freebsd.org (Postfix) with ESMTP id 86CC1FDF34 for ; Mon, 16 Sep 2019 11:55:50 +0000 (UTC) (envelope-from ish@amail.plala.or.jp) Received: from msc13.plala.or.jp (msc13.plala.or.jp [60.36.166.23]) by mx1.freebsd.org (Postfix) with ESMTP id 46X4Sg6BMqz4XqY for ; Mon, 16 Sep 2019 11:55:46 +0000 (UTC) (envelope-from ish@amail.plala.or.jp) Received: from localhost ([2400:4050:9320:7a00::8]) by msc13.plala.or.jp with ESMTP id <20190916115544.YBOK18269.msc13.plala.or.jp@localhost> for ; Mon, 16 Sep 2019 20:55:44 +0900 Date: Mon, 16 Sep 2019 20:55:32 +0900 (JST) Message-Id: <20190916.205532.1314832713594158104.ish@amail.plala.or.jp> To: freebsd-current@freebsd.org Subject: panic: sleeping thread on r352386 From: Masachika ISHIZUKA X-Mailer: Mew version 6.8 on Emacs 26.3 Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit X-VirusScan: Outbound; mvir-ac13; Mon, 16 Sep 2019 20:55:44 +0900 X-Rspamd-Queue-Id: 46X4Sg6BMqz4XqY X-Spamd-Bar: / Authentication-Results: mx1.freebsd.org; dkim=none; dmarc=none; spf=pass (mx1.freebsd.org: domain of ish@amail.plala.or.jp designates 60.36.166.23 as permitted sender) smtp.mailfrom=ish@amail.plala.or.jp X-Spamd-Result: default: False [0.75 / 15.00]; ARC_NA(0.00)[]; NEURAL_HAM_MEDIUM(-0.51)[-0.506,0]; FROM_HAS_DN(0.00)[]; R_SPF_ALLOW(-0.20)[+ip4:60.36.166.0/24]; TO_MATCH_ENVRCPT_ALL(0.00)[]; MIME_GOOD(-0.10)[text/plain]; PREVIOUSLY_DELIVERED(0.00)[freebsd-current@freebsd.org]; TO_DN_NONE(0.00)[]; RCPT_COUNT_ONE(0.00)[1]; NEURAL_HAM_LONG(-0.36)[-0.355,0]; DMARC_NA(0.00)[plala.or.jp]; MV_CASE(0.50)[]; MID_CONTAINS_FROM(1.00)[]; IP_SCORE(0.41)[ip: (-1.16), ipnet: 60.32.0.0/12(3.00), asn: 4713(0.23), country: JP(-0.02)]; RCVD_NO_TLS_LAST(0.10)[]; RCVD_IN_DNSWL_LOW(-0.10)[23.166.36.60.list.dnswl.org : 127.0.5.1]; R_DKIM_NA(0.00)[]; MIME_TRACE(0.00)[0:+]; ASN(0.00)[asn:4713, ipnet:60.32.0.0/12, country:JP]; RCVD_COUNT_TWO(0.00)[2]; FROM_EQ_ENVFROM(0.00)[] X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 16 Sep 2019 11:55:50 -0000 Hi. This panic happens on 1300047 (both r352239 and r352386) with core i5-7500 as follows. This panic dose not happen on r351728 (1300044). (The following lines were typed by hand so they might have some miss typed letters.) == Sleeping thread (tid 100177, pid 1814) owns a non-sleepable lock KDB: stack backtrace of thread 100177: sched_switch() at sched_switch+0x3f0/frame 0xfffffe008bc0e590 mi_switch() at mi_switch+0x172/frame 0xfffffe008bc0e5c0 sleepq_switch() at sleepq_switch+0x110/frame 0xfffffe008bc0e600 sleepQ-wait() at sleepq_wait+0x43/frame 0xfffffe008bc0e630 vm_page_sleep_if_busy() at (snip) vm_object_page_remove() at (snip) vnode_pager_setsize() at (snip) nfscl_loadattrcache() at (snip) ncl_writerpc() at (snip) ncl_doio() at (snip) nfssvc_iod() at (snip) fork_exit() at (snip) fork_trampoline() at (snip) --- trap 0, rip = 0, rsp = 0, rbp = 0 --- panic: sleeping thread cpuid = 3 time = 1568633100 KBD: stack backtrace: db_trace_self_wrapper() at (snip) vpanic() at (snip) (snip) --- trap 0, rip = 0, rsp = 0, rbp = 0 --- KDB: enter : panic [ thread pid 2108 tid 100236 ] Stopped at kdb_enter+0x3b: movq $0,kdb_why db> -- Masachika ISHIZUKA