[Bug 211037] [panic] softdep_deallocate_dependencies: got error 6 while accessing filesystem

[bugzilla-noreply at freebsd.org]

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=211037

            Bug ID: 211037
           Summary: [panic] softdep_deallocate_dependencies: got error 6
                    while accessing filesystem
           Product: Base System
           Version: 10.3-STABLE
          Hardware: amd64
                OS: Any
            Status: New
          Severity: Affects Some People
          Priority: ---
         Component: kern
          Assignee: freebsd-bugs at FreeBSD.org
          Reporter: david.gordon at imagia.com
                CC: freebsd-amd64 at FreeBSD.org
                CC: freebsd-amd64 at FreeBSD.org

Created attachment 172415
  --> https://bugs.freebsd.org/bugzilla/attachment.cgi?id=172415&action=edit
Crash stack trace

Consistently crash FreeBSD anytime transfer rates raise above 2Gbps (every few
days). See attached file for kernel stack trace.

FreeBSD is running nas4free and is installed as a virtual machine over ESX
6.0u1 and mounts files to be shared over iscsi from an EqualLogic SAN. Once
disks are mounted, NFS is used to share the files to the network. ESXi, N4032
switch, and nas4free use MTU of 9000+ and are configured to use a lossless
priority VLAN for SAN traffic.

I would be happy to answer any questions about our setup to help resolve this
bug.

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