Date: Sat, 05 Nov 2016 19:15:52 +0000 From: bugzilla-noreply@freebsd.org To: freebsd-bugs@FreeBSD.org Subject: [Bug 214250] Panic with BUF_TRACKING Message-ID: <bug-214250-8@https.bugs.freebsd.org/bugzilla/>
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D214250 Bug ID: 214250 Summary: Panic with BUF_TRACKING Product: Base System Version: CURRENT Hardware: Any OS: Any Status: New Severity: Affects Only Me Priority: --- Component: kern Assignee: freebsd-bugs@FreeBSD.org Reporter: trasz@FreeBSD.org To reproduce, plug in a USB flash key and do "sg_luns /dev/da0". It also w= orks with iSCSI and probably other SCSI devices. (kgdb) where #0 doadump (textdump=3D0) at pcpu.h:222 #1 0xffffffff80396b3b in db_dump (dummy=3D<value optimized out>, dummy2=3D= false, dummy3=3D0, dummy4=3D0x0) at /usr/home/trasz/svn/spare/sys/ddb/db_command.c= :546 #2 0xffffffff80396939 in db_command (cmd_table=3D<value optimized out>) at /usr/home/trasz/svn/spare/sys/ddb/db_command.c:453 #3 0xffffffff80396694 in db_command_loop () at /usr/home/trasz/svn/spare/sys/ddb/db_command.c:506 #4 0xffffffff8039974f in db_trap (type=3D<value optimized out>, code=3D<va= lue optimized out>) at /usr/home/trasz/svn/spare/sys/ddb/db_main.c:248 #5 0xffffffff80aa08b3 in kdb_trap (type=3D<value optimized out>, code=3D<v= alue optimized out>, tf=3D<value optimized out>) at /usr/home/trasz/svn/spare/sys/kern/subr_kdb.c:654 #6 0xffffffff80ed9511 in trap_fatal (frame=3D0xfffffe02287d2830, eva=3D0) = at /usr/home/trasz/svn/spare/sys/amd64/amd64/trap.c:796 #7 0xffffffff80ed91ff in trap (frame=3D0xfffffe02287d2830) at /usr/home/trasz/svn/spare/sys/amd64/amd64/trap.c:198 #8 0xffffffff80eb9161 in calltrap () at /usr/home/trasz/svn/spare/sys/amd64/amd64/exception.S:236 #9 0xffffffff8030a7c9 in xpt_done (done_ccb=3D0xfffff8010f690800) at /usr/home/trasz/svn/spare/sys/cam/cam_xpt.c:4477 #10 0xffffffff808a45ac in umass_t_bbb_status_callback (xfer=3D<value optimi= zed out>, error=3D<value optimized out>) at /usr/home/trasz/svn/spare/sys/dev/usb/storage/umass.c:1151 #11 0xffffffff808c1612 in usbd_callback_wrapper (pq=3D<value optimized out>= ) at /usr/home/trasz/svn/spare/sys/dev/usb/usb_transfer.c:2407 #12 0xffffffff808c28e9 in usb_command_wrapper (pq=3D<value optimized out>, xfer=3D<value optimized out>) at /usr/home/trasz/svn/spare/sys/dev/usb/usb_transfer.c:3061 #13 0xffffffff808c177e in usb_callback_proc (_pm=3D<value optimized out>) at /usr/home/trasz/svn/spare/sys/dev/usb/usb_transfer.c:2268 #14 0xffffffff808bc2b5 in usb_process (arg=3D<value optimized out>) at /usr/home/trasz/svn/spare/sys/dev/usb/usb_process.c:176 #15 0xffffffff80a223b4 in fork_exit (callout=3D0xffffffff808bc1e0 <usb_proc= ess>, arg=3D0xfffffe0000ebedb0, frame=3D0xfffffe02287d2ac0) at /usr/home/trasz/svn/spare/sys/kern/kern_fork.c:1038 #16 0xffffffff80eb969e in fork_trampoline () at /usr/home/trasz/svn/spare/sys/amd64/amd64/exception.S:611 #17 0x0000000000000000 in ?? () [..] (kgdb) down #9 0xffffffff8030a7c9 in xpt_done (done_ccb=3D0xfffff8010f690800) at /usr/home/trasz/svn/spare/sys/cam/cam_xpt.c:4477 4477 done_ccb->csio.bio !=3D NULL) (kgdb) l 4472 struct cam_doneq *queue; 4473 int run, hash; 4474 4475 #if defined(BUF_TRACKING) || defined(FULL_BUF_TRACKING) 4476 if (done_ccb->ccb_h.func_code =3D=3D XPT_SCSI_IO && 4477 done_ccb->csio.bio !=3D NULL) 4478 biotrack(done_ccb->csio.bio, __func__); 4479 #endif 4480 4481 CAM_DEBUG(done_ccb->ccb_h.path, CAM_DEBUG_TRACE, (kgdb) p done_ccb->csio.bio $1 =3D (struct bio *) 0xa5a5a5a5a5a5a5a5 --=20 You are receiving this mail because: You are the assignee for the bug.=
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