Date: Tue, 12 May 2015 16:00:36 +0200 From: Nikos Vassiliadis <nvass@gmx.com> To: "freebsd-virtualization@freebsd.org" <freebsd-virtualization@freebsd.org> Subject: adding vtnet to bridge results to kernel panic Message-ID: <55520784.9050508@gmx.com>
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Hi, I get this panic when I add vtnet0 to a bridge. > > Unread portion of the kernel message buffer: > panic: if_setflag: decrement non-positive refcount 0 for flag 256 > cpuid = 1 > KDB: stack backtrace: > db_trace_self_wrapper() at db_trace_self_wrapper+0x2b/frame 0xfffffe01a5be54c0 > vpanic() at vpanic+0x189/frame 0xfffffe01a5be5540 > kassert_panic() at kassert_panic+0x132/frame 0xfffffe01a5be55b0 > if_setflag() at if_setflag+0x147/frame 0xfffffe01a5be5610 > ifpromisc() at ifpromisc+0x2c/frame 0xfffffe01a5be5640 > bridge_delete_member() at bridge_delete_member+0x3a8/frame 0xfffffe01a5be56c0 > bridge_ioctl_add() at bridge_ioctl_add+0x574/frame 0xfffffe01a5be5710 > bridge_ioctl() at bridge_ioctl+0x1ad/frame 0xfffffe01a5be57b0 > ifioctl() at ifioctl+0x9df/frame 0xfffffe01a5be5860 > kern_ioctl() at kern_ioctl+0x230/frame 0xfffffe01a5be58c0 > sys_ioctl() at sys_ioctl+0x153/frame 0xfffffe01a5be59a0 > amd64_syscall() at amd64_syscall+0x27f/frame 0xfffffe01a5be5ab0 > Xfast_syscall() at Xfast_syscall+0xfb/frame 0xfffffe01a5be5ab0 > --- syscall (54, FreeBSD ELF64, sys_ioctl), rip = 0x8011e09aa, rsp = 0x7fffffffe1f8, rbp = 0x7fffffffe2a0 --- > KDB: enter: panic Thanks in advance for any ideas, Nikos
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