Date: Fri, 15 Jul 2016 07:40:21 +0000 From: bugzilla-noreply@freebsd.org To: freebsd-bugs@FreeBSD.org Subject: [Bug 211136] [Hyper-V]mount root may fail because vfs' mount starts early than VMBUS Message-ID: <bug-211136-8@https.bugs.freebsd.org/bugzilla/>
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D211136 Bug ID: 211136 Summary: [Hyper-V]mount root may fail because vfs' mount starts early than VMBUS Product: Base System Version: CURRENT Hardware: Any OS: Any Status: New Severity: Affects Many People Priority: --- Component: kern Assignee: freebsd-bugs@FreeBSD.org Reporter: honzhan@microsoft.com FreeBSD 10.3/head on Azure may fail to boot for the failure of "mount root". The reason is vfs's mounting starts early than storage driver attaching (included in VMBUS). If it happened, the error looks like: VMBUS: Total online cpus 8, assign perf channel 2 to vcpu 7, cpu 7 VMBUS get multi-channel offer, rel=3D18,sub=3D1 VMBUS: new multi-channel offer <0xfffff80011719c00>, its primary channel is <0xfffff80011766c00>. VMBUS: channel <0xfffff80011719c00> open success. Trying to mount root from ufs:/dev/da0p2 [rw]... mountroot: waiting for device /dev/da0p2 ... Mounting from ufs:/dev/da0p2 failed with error 19. Loader variables: vfs.root.mountfrom=3Dufs:/dev/da0p2 vfs.root.mountfrom.options=3Drw Manual root filesystem specification: <fstype>:<device> [options] Mount <device> using filesystem <fstype> and with the specified (optional) option list. eg. ufs:/dev/da0s1a zfs:tank cd9660:/dev/acd0 ro (which is equivalent to: mount -t cd9660 -o ro /dev/acd0 /) ? List valid disk boot devices . Yield 1 second (for background tasks) <empty line> Abort manual input mountroot> --=20 You are receiving this mail because: You are the assignee for the bug.=
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