Date: Sun, 26 Nov 2017 07:49:27 +0100 From: Peter Holm <peter@holm.cc> To: Mateusz Guzik <mjg@FreeBSD.org> Cc: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: Re: svn commit: r326200 - head/sys/kern Message-ID: <20171126064927.GA68986@x2.osted.lan> In-Reply-To: <201711252049.vAPKnRaA026691@repo.freebsd.org> References: <201711252049.vAPKnRaA026691@repo.freebsd.org>
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On Sat, Nov 25, 2017 at 08:49:27PM +0000, Mateusz Guzik wrote: > Author: mjg > Date: Sat Nov 25 20:49:27 2017 > New Revision: 326200 > URL: https://svnweb.freebsd.org/changeset/base/326200 > > Log: > Add the missing lockstat check for thread lock. > > Modified: > head/sys/kern/kern_mutex.c > > Modified: head/sys/kern/kern_mutex.c > ============================================================================== > --- head/sys/kern/kern_mutex.c Sat Nov 25 20:37:13 2017 (r326199) Hi Mateusz, Could this be yours? spin lock 0xffffffff81ddc100 (turnstile chain) held by 0xfffff80014e57000 (tid 100277) too long panic: spin lock held too long cpuid = 20 time = 1511677687 KDB: stack backtrace: db_trace_self_wrapper() at db_trace_self_wrapper+0x2b/frame 0xfffffe104f86ea40 vpanic() at vpanic+0x268/frame 0xfffffe104f86eb10 kproc_shutdown() at kproc_shutdown/frame 0xfffffe104f86eb70 _mtx_lock_spin_failed() at _mtx_lock_spin_failed+0x87/frame 0xfffffe104f86eba0 _mtx_lock_spin_cookie() at _mtx_lock_spin_cookie+0x4ba/frame 0xfffffe104f86ed10 __mtx_lock_spin_flags() at __mtx_lock_spin_flags+0x21f/frame 0xfffffe104f86edb0 turnstile_trywait() at turnstile_trywait+0x32/frame 0xfffffe104f86edd0 __rw_rlock_hard() at __rw_rlock_hard+0x118/frame 0xfffffe104f86ee60 __rw_rlock_int() at __rw_rlock_int+0xd5/frame 0xfffffe104f86ee90 getblk() at getblk+0xdb/frame 0xfffffe104f86ef40 breadn_flags() at breadn_flags+0x6e/frame 0xfffffe104f86eff0 ffs_getcg() at ffs_getcg+0x20d/frame 0xfffffe104f86f0d0 ffs_nodealloccg() at ffs_nodealloccg+0xd0/frame 0xfffffe104f86f210 ffs_hashalloc() at ffs_hashalloc+0xb7/frame 0xfffffe104f86f290 ffs_valloc() at ffs_valloc+0x1c1/frame 0xfffffe104f86f390 ufs_makeinode() at ufs_makeinode+0xba/frame 0xfffffe104f86f520 ufs_create() at ufs_create+0x34/frame 0xfffffe104f86f540 VOP_CREATE_APV() at VOP_CREATE_APV+0x241/frame 0xfffffe104f86f5c0 VOP_CREATE() at VOP_CREATE+0x59/frame 0xfffffe104f86f620 vn_open_cred() at vn_open_cred+0x311/frame 0xfffffe104f86f770 vn_open() at vn_open+0x4c/frame 0xfffffe104f86f7b0 kern_openat() at kern_openat+0x212/frame 0xfffffe104f86f920 syscallenter() at syscallenter+0x4e4/frame 0xfffffe104f86f9f0 amd64_syscall() at amd64_syscall+0x4d/frame 0xfffffe104f86fab0 https://people.freebsd.org/~pho/stress/log/mateusz004.txt - Peter
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