Date: Mon, 01 Mar 2021 09:30:03 +0000 From: bugzilla-noreply@freebsd.org To: virtualization@FreeBSD.org Subject: [Bug 229167] [Hyper-V] [Jun 19, 2018] Recently FreeBSD VM panics during boot-up, especially with Mellanox VF configured Message-ID: <bug-229167-27103-KM86aewixZ@https.bugs.freebsd.org/bugzilla/> In-Reply-To: <bug-229167-27103@https.bugs.freebsd.org/bugzilla/> References: <bug-229167-27103@https.bugs.freebsd.org/bugzilla/>
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D229167 --- Comment #39 from Wei Hu <weh@microsoft.com> --- The cause of this problem is mlx4 driver was loaded before the root filesys= tem. On larger VM the odds of hitting this increase as more things are in paral= lel. Instead of adding 1 second delay in the driver, I think you can move the dr= iver loading from /boot/loader.conf to /etc/rc.conf. Remove the line such as mlx4en_load=3D"YES" in /boot/loader.conf and add following line in /etc/rc.= conf: kld_list=3D"mlx4en mlx4ib" This way the loading of mlx4 driver would be after the local disks are moun= ted, making this problem go away. --=20 You are receiving this mail because: You are the assignee for the bug.=
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