[Bug 265852] qat: kernel crash using krb5p with nfs

From: <bugzilla-noreply_at_freebsd.org>
Date: Mon, 15 Aug 2022 09:35:34 UTC

            Bug ID: 265852
           Summary: qat: kernel crash using krb5p with nfs
           Product: Base System
           Version: 13.1-RELEASE
          Hardware: amd64
                OS: Any
            Status: New
          Severity: Affects Only Me
          Priority: ---
         Component: kern
          Assignee: bugs@FreeBSD.org
          Reporter: zaltys@natrix.lt

Created attachment 235917
  --> https://bugs.freebsd.org/bugzilla/attachment.cgi?id=235917&action=edit

TruesNAS Core 13 (FreeBSD 13.1 underneath) server with Intel Atom C3558 having
integrated QAT (C3000). Files are being served via nfsd v4 with krb5p

If qat is loaded (using qat_load=YES and qat_c3xxxfw_load=YES), and it is
attempted to download a file via nfs, kernel crashes with "Fatal trap 12: page
fault while in kernel mode". Directory listing works fine though.

Backtrace is attached.

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