Date: Mon, 19 Aug 2013 10:44:54 -0700 From: Sean Bruno <sean_bruno@yahoo.com> To: "FreeBSD-scsi@freebsd.org" <FreeBSD-scsi@freebsd.org> Subject: Interesting, yet stupid test case Message-ID: <1376934295.1455.4.camel@localhost>
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[-- Attachment #1 --] Was able to get mfi to detonate (via CAM) today on stable/9 At the loader prompt, physically remove some amount of drives (in my case drives 0-5, as 6-11 are my zroot). Boot up into single user via boot -s System will attempt to process all the events in the controller on boot up and die violently. :-) (noperiph:mfi0:0:1:-1): rescan already queued panic: mutex MFI I/O lock not owned at ../../../cam/cam_xpt.c:4684 cpuid = 0 KDB: stack backtrace: db_trace_self_wrapper() at db_trace_self_wrapper+0x2a/frame 0xffffff9fee9c7690 kdb_backtrace() at kdb_backtrace+0x37/frame 0xffffff9fee9c7750 panic() at panic+0x1d8/frame 0xffffff9fee9c7850 _mtx_assert() at _mtx_assert+0xdc/frame 0xffffff9fee9c7860 xpt_release_device() at xpt_release_device+0x28/frame 0xffffff9fee9c7880 xpt_release_path() at xpt_release_path+0x1a/frame 0xffffff9fee9c78a0 xpt_free_path() at xpt_free_path+0x11/frame 0xffffff9fee9c78c0 xpt_rescan() at xpt_rescan+0xf9/frame 0xffffff9fee9c78f0 mfip_cam_rescan() at mfip_cam_rescan+0x17e/frame 0xffffff9fee9c7930 mfi_handle_evt() at mfi_handle_evt+0x2bc/frame 0xffffff9fee9c79a0 taskqueue_run_locked() at taskqueue_run_locked+0x93/frame 0xffffff9fee9c7a00 taskqueue_run() at taskqueue_run+0x3d/frame 0xffffff9fee9c7a20 intr_event_execute_handlers() at intr_event_execute_handlers+0x6a/frame 0xffffff9fee9c7a50 ithread_loop() at ithread_loop+0xac/frame 0xffffff9fee9c7aa0 fork_exit() at fork_exit+0x135/frame 0xffffff9fee9c7af0 fork_trampoline() at fork_trampoline+0xe/frame 0xffffff9fee9c7af0 --- trap 0, rip = 0, rsp = 0xffffff9fee9c7bb0, rbp = 0 --- Uptime: 5s Automatic reboot in 15 seconds - press a key on the console to abort Rebooting... [-- Attachment #2 --] -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.14 (FreeBSD) iQEcBAABAgAGBQJSElmNAAoJEBkJRdwI6BaH/JMH/3+JeC9uY75SHyTVqUUTZvYg zmHxdJEFfubK9tVitIQPHT5iYadsAYK8H6hRlX23JNzkkVNGmL1hb1xIu46PjPRs sQUNHIyIS782JtyVilOCYWtPCj6IbA57SaDAgW8fczeLRZ1NqFOkpV8zNYbjEmMz jk8KXVn16B+OMKf3NmzKiUsl0fSWkgEoK3oOwjOOisLZm3ZCLQVisn06rc4QKdN9 a35NbwUeoHlPwqFibezRUC90UVWfBiZlYyysbHzK5d6Eo6xEdLDntrNb4rymsdEF iVre3cpTJbz5weFetkNTCfXWI2tf0l/+lMTuwBiCoD3dApqbTY5qGGUnVTq189I= =jG/K -----END PGP SIGNATURE-----
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