Date: Tue, 11 Feb 2014 09:11:36 GMT From: Sebastian Chmielewski <chmiels@o2.pl> To: freebsd-gnats-submit@FreeBSD.org Subject: amd64/186645: Crash after unmounting wdfs Message-ID: <201402110911.s1B9BafV022694@cgiserv.freebsd.org> Resent-Message-ID: <201402110920.s1B9K01e029512@freefall.freebsd.org>
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>Number: 186645 >Category: amd64 >Synopsis: Crash after unmounting wdfs >Confidential: no >Severity: non-critical >Priority: low >Responsible: freebsd-amd64 >State: open >Quarter: >Keywords: >Date-Required: >Class: sw-bug >Submitter-Id: current-users >Arrival-Date: Tue Feb 11 09:20:00 UTC 2014 >Closed-Date: >Last-Modified: >Originator: Sebastian Chmielewski >Release: 9.2-RELEASE >Organization: >Environment: FreeBSD xxxxx 9.2-RELEASE-p3 FreeBSD 9.2-RELEASE-p3 #0: Sat Jan 11 03:25:02 UTC 2014 root@amd64-builder.daemonology.net:/usr/obj/usr/src/sys/GENERIC amd64 amd64 Intel(R) Core(TM) i7-3740QM CPU @ 2.70GHz FreeBSD >Description: FreeBSD crashes and reboots after unmounting wdfs (WebDav) resource >How-To-Repeat: - pkg install fuse_wdfs - wdfs https://confluence.xxxx/plugins/servlet/confluence/default/Global/SOMEPROJECT Wiki - navigate in Wiki - exit from Wiki directory - umount Wiki - crash stacktrace from core.txt.0 Fatal trap 1: privileged instruction fault while in kernel mode cpuid = 1; apic id = 01 instruction pointer = 0x20:0xffffffff82c67543 stack pointer = 0x28:0xffffff848fb0e4c0 frame pointer = 0x28:0xffffff848fb0e500 code segment = base 0x0, limit 0xfffff, type 0x1b = DPL 0, pres 1, long 1, def32 0, gran 1 processor eflags = interrupt enabled, resume, IOPL = 0 current process = 4365 (umount) trap number = 1 panic: privileged instruction fault cpuid = 1 KDB: stack backtrace: #0 0xffffffff80947986 at kdb_backtrace+0x66 #1 0xffffffff8090d9ae at panic+0x1ce #2 0xffffffff80cf2110 at trap_fatal+0x290 #3 0xffffffff80cf2921 at trap+0x241 #4 0xffffffff80cdbd53 at calltrap+0x8 #5 0xffffffff80b93c5e at vnode_pager_dealloc+0xae #6 0xffffffff80b85c59 at vm_object_terminate+0x1a9 #7 0xffffffff80b92ce9 at vnode_destroy_vobject+0xb9 #8 0xffffffff82c618a1 at fuse_reclaim+0x21 #9 0xffffffff80d98c78 at VOP_RECLAIM_APV+0x78 #10 0xffffffff809aa264 at vgonel+0x134 #11 0xffffffff809ad76e at vflush+0x2de #12 0xffffffff82c6023b at fuse_unmount+0x1db #13 0xffffffff809a2056 at dounmount+0x3d6 #14 0xffffffff809a28c8 at sys_unmount+0x4a8 #15 0xffffffff80cf18ba at amd64_syscall+0x5ea #16 0xffffffff80cdc037 at Xfast_syscall+0xf7 >Fix: >Release-Note: >Audit-Trail: >Unformatted:
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