Date: Tue, 3 Mar 2015 01:40:20 +0000 From: "rpokala-panasas.com (Ravi Pokala)" <phabric-noreply@FreeBSD.org> To: freebsd-net@freebsd.org Subject: [Differential] [Commented On] D1986: Teach lagg(4) to change MTU Message-ID: <c493f5004c5144cef09a479f72534e8b@localhost.localdomain> In-Reply-To: <differential-rev-PHID-DREV-i34kfg4qpajia7fo5u5l-req@FreeBSD.org> References: <differential-rev-PHID-DREV-i34kfg4qpajia7fo5u5l-req@FreeBSD.org>
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rpokala-panasas.com added a comment. 4079 addresses @rstone's comments. However, the LOR remains: ``` Mar 2 17:00:43 fbsd-X root: ifconfig lagg0 mtu 9000 Mar 2 17:00:43 fbsd-X kernel: lock order reversal: Mar 2 17:00:43 fbsd-X kernel: 1st 0xfffff80004960c08 if_lagg rmlock (if_lagg rmlock) @ /usr/src/sys/modules/if_lagg/../../net/if_lagg.c:1779 Mar 2 17:00:43 fbsd-X kernel: 2nd 0xfffffe0000d50748 em1 (EM Core Lock) @ /usr/src/sys/dev/e1000/if_lem.c:1035 Mar 2 17:00:43 fbsd-X kernel: KDB: stack backtrace: Mar 2 17:00:43 fbsd-X kernel: db_trace_self_wrapper() at db_trace_self_wrapper+0x2b/frame 0xfffffe00003f86c0 Mar 2 17:00:43 fbsd-X kernel: witness_checkorder() at witness_checkorder+0xe45/frame 0xfffffe00003f8750 Mar 2 17:00:43 fbsd-X kernel: __mtx_lock_flags() at __mtx_lock_flags+0xa8/frame 0xfffffe00003f87a0 Mar 2 17:00:43 fbsd-X kernel: lem_ioctl() at lem_ioctl+0x3e8/frame 0xfffffe00003f87e0 Mar 2 17:00:43 fbsd-X kernel: lagg_ioctl() at lagg_ioctl+0xafd/frame 0xfffffe00003f88e0 Mar 2 17:00:43 fbsd-X kernel: ifioctl() at ifioctl+0x102e/frame 0xfffffe00003f89a0 Mar 2 17:00:43 fbsd-X kernel: kern_ioctl() at kern_ioctl+0x2c0/frame 0xfffffe00003f8a00 Mar 2 17:00:43 fbsd-X kernel: sys_ioctl() at sys_ioctl+0x153/frame 0xfffffe00003f8ae0 Mar 2 17:00:43 fbsd-X kernel: amd64_syscall() at amd64_syscall+0x27f/frame 0xfffffe00003f8bf0 Mar 2 17:00:43 fbsd-X kernel: Xfast_syscall() at Xfast_syscall+0xfb/frame 0xfffffe00003f8bf0 Mar 2 17:00:43 fbsd-X kernel: --- syscall (54, FreeBSD ELF64, sys_ioctl), rip = 0x8011e1eea, rsp = 0x7fffffffe288, rbp = 0x7fffffffe2a0 --- ``` REVISION DETAIL https://reviews.freebsd.org/D1986 To: rpokala-panasas.com, rstone Cc: emaste, ae, freebsd-net
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