Date: Sat, 22 May 2021 21:44:22 -0700 From: Mark Millard via freebsd-arm <freebsd-arm@freebsd.org> To: freebsd-current <freebsd-current@freebsd.org> Cc: freebsd-arm <freebsd-arm@freebsd.org> Subject: I got a panic for "nvme0: cpl does not map to outstanding cmd" on a MACHIATObin Double Shot Message-ID: <063D5E36-126F-497C-97AF-827BADC1ED2F@yahoo.com> References: <063D5E36-126F-497C-97AF-827BADC1ED2F.ref@yahoo.com>
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# mount -onoatime 192.168.1.187:/usr/ports/ /mnt/ # diff -r /usr/ports/ /mnt/ | more nvme0: cpl does not map to outstanding cmd cdw0:00000000 sqhd:0020 sqid:0003 cid:007e p:1 sc:00 sct:0 m:0 dnr:0 panic: received completion for unknown cmd cpuid =3D 3 time =3D 1621743752 KDB: stack backtrace: db_trace_self() at db_trace_self db_trace_self_wrapper() at db_trace_self_wrapper+0x30 vpanic() at vpanic+0x188 panic() at panic+0x44 nvme_qpair_process_completions() at nvme_qpair_process_completions+0x1fc nvme_timeout() at nvme_timeout+0x3c softclock_call_cc() at softclock_call_cc+0x124 softclock() at softclock+0x60 ithread_loop() at ithread_loop+0x2a8 fork_exit() at fork_exit+0x74 fork_trampoline() at fork_trampoline+0x14 KDB: enter: panic [ thread pid 12 tid 100028 ] Stopped at kdb_enter+0x48: undefined f904411f db>=20 Based on the "nvme" references, I expect this is tied to handling the Optane 480 GiByte that is in the PCIe slot and is the boot/only media for the machine doing the diff. "db> dump" seems to have worked. After the reboot, zpool scrub found no errors. For reference: # uname -apKU FreeBSD CA72_16Gp_ZFS 14.0-CURRENT FreeBSD 14.0-CURRENT #1 = main-n246854-03b0505b8fe8-dirty: Sat May 22 16:25:04 PDT 2021 = root@CA72_16Gp_ZFS:/usr/obj/BUILDs/main-CA72-dbg-clang/usr/main-src/arm64.= aarch64/sys/GENERIC-DBG-CA72 arm64 aarch64 1400013 1400013 =3D=3D=3D Mark Millard marklmi at yahoo.com ( dsl-only.net went away in early 2018-Mar)
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