Date: Thu, 19 Apr 2018 08:24:36 +0000 From: bugzilla-noreply@freebsd.org To: bugs@FreeBSD.org Subject: [Bug 227631] panic: vputx: usecount not zero for vnode Message-ID: <bug-227631-227@https.bugs.freebsd.org/bugzilla/>
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=227631 Bug ID: 227631 Summary: panic: vputx: usecount not zero for vnode Product: Base System Version: 11.1-STABLE Hardware: Any OS: Any Status: New Severity: Affects Only Me Priority: --- Component: kern Assignee: bugs@FreeBSD.org Reporter: emz@norma.perm.ru (Started at https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=227465) Got another panic on r332466, so it's reproducible. vputx: usecount not zero for vnode 0xfffff803852a1760: tag devfs, type VCHR usecount -1, writecount -1, refcount 0 rdev 0xfffff80145cf1a00 flags (VI_FREE) VI_LOCKed lock type devfs: EXCL by thread 0xfffff804ec5b1620 (pid 59162, ctladm, tid 109582) dev zvol/data/kvm/desktop/games-vm401 Now with backtrace: ===Cut=== (kgdb) bt #0 doadump (textdump=<value optimized out>) at pcpu.h:229 #1 0xffffffff80af3beb in kern_reboot (howto=260) at /usr/src/sys/kern/kern_shutdown.c:383 #2 0xffffffff80af4011 in vpanic (fmt=<value optimized out>, ap=<value optimized out>) at /usr/src/sys/kern/kern_shutdown.c:776 #3 0xffffffff80af3e53 in panic (fmt=<value optimized out>) at /usr/src/sys/kern/kern_shutdown.c:707 #4 0xffffffff80bb799e in vputx (vp=<value optimized out>, func=<value optimized out>) at /usr/src/sys/kern/vfs_subr.c:2686 #5 0xffffffff80bc6885 in vn_close1 (vp=0xfffff803852a1760, flags=3, file_cred=0x0, td=<value optimized out>, keep_ref=false) at /usr/src/sys/kern/vfs_vnops.c:459 #6 0xffffffff82844554 in ctl_be_block_close (be_lun=0xfffff80a6c8f9000) at /usr/src/sys/cam/ctl/ctl_backend_block.c:2100 #7 0xffffffff8284888c in ctl_be_block_rm (softc=0xffffffff82870298, req=0xfffff807b9afbc00) at /usr/src/sys/cam/ctl/ctl_backend_block.c:2504 #8 0xffffffff8284399d in ctl_be_block_ioctl (dev=0xfffff8045f074600, cmd=3243303201, addr=0xfffff807b9afbc00 "block", flag=3, td=0xfffff804ec5b1620) at /usr/src/sys/cam/ctl/ctl_backend_block.c:1792 #9 0xffffffff82835e5f in ctl_ioctl (dev=0xfffff8045f074600, cmd=3243303201, addr=0xfffff807b9afbc00 "block", flag=3, td=0xfffff804ec5b1620) at /usr/src/sys/cam/ctl/ctl.c:3065 #10 0xffffffff809c2458 in devfs_ioctl_f (fp=0xfffff803bc3f5640, com=3243303201, data=0xfffff807b9afbc00, cred=0xfffff80175ad3800, td=0xfffff804ec5b1620) at /usr/src/sys/fs/devfs/devfs_vnops.c:791 #11 0xffffffff80b5636d in kern_ioctl (td=0xfffff804ec5b1620, fd=3, com=3243303201, data=<value optimized out>) at file.h:323 #12 0xffffffff80b5608c in sys_ioctl (td=0xfffff804ec5b1620, uap=0xfffff804ec5b1b58) at /usr/src/sys/kern/sys_generic.c:745 #13 0xffffffff80f72dc8 in amd64_syscall (td=0xfffff804ec5b1620, traced=0) at subr_syscall.c:132 #14 0xffffffff80f5255d in fast_syscall_common () at /usr/src/sys/amd64/amd64/exception.S:480 #15 0x0000000801202bfa in ?? () Previous frame inner to this frame (corrupt stack?) Current language: auto; currently minimal (kgdb) ===Cut=== Kernel binaries and core files are avaiable at http://san1.linx.playkey.net/r332466M/ I'm downgrading to r332465 to see if this would help. -- You are receiving this mail because: You are the assignee for the bug.help
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