[Bug 296946] nvme panics at boot: received completion for unknown cmd

[email protected] Tue, 21 Jul 2026 05:36:32 +0000

Newsgroups	gmane.os.freebsd.bugs
Message-ID	<[email protected]/bugzilla/>

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=296946

            Bug ID: 296946
           Summary: nvme panics at boot: received completion for unknown
                    cmd
           Product: Base System
           Version: CURRENT
          Hardware: Any
                OS: Any
            Status: New
          Severity: Affects Only Me
          Priority: ---
         Component: kern
          Assignee: [email protected]
          Reporter: [email protected]

I get this panic when attempting to boot mfsbsd on my 2016 MacBook Pro:

nvme0: cpl (cid = 0) does not map to outstanding cmd
nvme0: INVALID_NAMESPACE_OR_FORMAT (00/0b) crd:0 m:0 dnr:0 p:1 sqid:1 cid:0
cdu0:0
panic: received completion for unknown cmd

Relevant frames in stack trace is:

_nvme_qpair_process_completions()
nvme_qpair_msi_handler()

ident reports the following (approximate) version info:

n287558-e7efe2f059a4

The only modifications from stock :main was to sys/modules/Makefile to build
the brcm80211 modules.

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