Date: Thu, 26 Jan 2017 21:20:10 +0000 From: bugzilla-noreply@freebsd.org To: freebsd-bugs@FreeBSD.org Subject: [Bug 216510] panic while adding an epair to a bridge Message-ID: <bug-216510-8@https.bugs.freebsd.org/bugzilla/>
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D216510 Bug ID: 216510 Summary: panic while adding an epair to a bridge Product: Base System Version: CURRENT Hardware: Any OS: Any Status: New Severity: Affects Only Me Priority: --- Component: kern Assignee: freebsd-bugs@FreeBSD.org Reporter: nvass@gmx.com CC: kp@freebsd.org Hi, After running the following commands I get a panic: #!/bin/sh bridge=3D`ifconfig bridge create` epair=3D`ifconfig epair create | sed 's/.$//'` ifconfig $bridge 11.255.255.1/28 ifconfig $bridge addm ${epair}a Panic: panic: _mtx_lock_sleep: recursed on non-recursive mutex if_bridge @ /usr/src/sys/modules/if_bridge/../../net/if_bridge.c:2117 cpuid =3D 2 KDB: stack backtrace: db_trace_self_wrapper() at db_trace_self_wrapper+0x2b/frame 0xfffffe00954da= 260 vpanic() at vpanic+0x186/frame 0xfffffe00954da2e0 kassert_panic() at kassert_panic+0x126/frame 0xfffffe00954da350 __mtx_lock_sleep() at __mtx_lock_sleep+0x3e2/frame 0xfffffe00954da3d0 __mtx_lock_flags() at __mtx_lock_flags+0x116/frame 0xfffffe00954da430 bridge_transmit() at bridge_transmit+0x61/frame 0xfffffe00954da470 ether_output() at ether_output+0x703/frame 0xfffffe00954da510 arprequest() at arprequest+0x413/frame 0xfffffe00954da620 arp_ifinit() at arp_ifinit+0x56/frame 0xfffffe00954da660 arp_handle_ifllchange() at arp_handle_ifllchange+0x3d/frame 0xfffffe00954da= 680 bridge_ioctl_add() at bridge_ioctl_add+0x3b4/frame 0xfffffe00954da6d0 bridge_ioctl() at bridge_ioctl+0x29f/frame 0xfffffe00954da770 ifioctl() at ifioctl+0xbc8/frame 0xfffffe00954da7f0 kern_ioctl() at kern_ioctl+0x2b0/frame 0xfffffe00954da850 sys_ioctl() at sys_ioctl+0x13f/frame 0xfffffe00954da930 amd64_syscall() at amd64_syscall+0x2f9/frame 0xfffffe00954daab0 Xfast_syscall() at Xfast_syscall+0xfb/frame 0xfffffe00954daab0 --- syscall (54, FreeBSD ELF64, sys_ioctl), rip =3D 0x800fd5aaa, rsp =3D 0x7fffffffe1f8, rbp =3D 0x7fffffffe2a0 --- KDB: enter: panic [ thread pid 766 tid 100571 ] Stopped at kdb_enter+0x3b: movq $0,kdb_why db> --=20 You are receiving this mail because: You are the assignee for the bug.=
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