Date: Mon, 16 Sep 2019 20:55:32 +0900 (JST) From: Masachika ISHIZUKA <ish@amail.plala.or.jp> To: freebsd-current@freebsd.org Subject: panic: sleeping thread on r352386 Message-ID: <20190916.205532.1314832713594158104.ish@amail.plala.or.jp>
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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
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