usb/117955: plugging minolta dimage a2 crashes os

[fulvio ciriaco]

The following reply was made to PR usb/117955; it has been noted by GNATS.

From: fulvio ciriaco <oivulf at gmail.com>
To: bug-followup at FreeBSD.org,  oivulf at gmail.com
Cc:  
Subject: Re: usb/117955: plugging minolta dimage a2 crashes os
Date: Sat, 17 Nov 2007 16:15:11 +0100

 more from kgdb
 #0  doadump () at pcpu.h:195
 195             __asm __volatile("movl %%fs:0,%0" : "=r" (td));
 (kgdb) list *0xc0466f4b
 0xc0466f4b is in xpt_done (/usr/src/sys/cam/cam_xpt.c:4856).
 4851                     * any of the "non-immediate" type of ccbs.
 4852                     */
 4853                    sim = done_ccb->ccb_h.path->bus->sim;
 4854                    switch (done_ccb->ccb_h.path->periph->type) {
 4855                    case CAM_PERIPH_BIO:
 4856                            TAILQ_INSERT_TAIL(&sim->sim_doneq, 
 &done_ccb->cc
 b_h,                                                                            
 4857                                              sim_links.tqe);
 4858                            done_ccb->ccb_h.pinfo.index = 
 CAM_DONEQ_INDEX;
 4859                            if ((sim->flags & CAM_SIM_ON_DONEQ) == 0) {
 4860                                    mtx_lock(&cam_simq_lock);
 
 (kgdb) backtrace
 #0  doadump () at pcpu.h:195
 #1  0xc0730af6 in boot (howto=260) at /usr/src/sys/kern/kern_shutdown.c:409
 #2  0xc0730ce9 in panic (fmt=Variable "fmt" is not available.
 ) at /usr/src/sys/kern/kern_shutdown.c:563
 #3  0xc09b946c in trap_fatal (frame=0xe30b5980, eva=0)
     at /usr/src/sys/i386/i386/trap.c:872
 #4  0xc09b9663 in trap_pfault (frame=0xe30b5980, usermode=0, eva=0)
     at /usr/src/sys/i386/i386/trap.c:785
 #5  0xc09b9ef5 in trap (frame=0xe30b5980) at 
 /usr/src/sys/i386/i386/trap.c:463
 #6  0xc09a1a5b in calltrap () at /usr/src/sys/i386/i386/exception.s:139
 #7  0xc0466f4b in xpt_done (done_ccb=0xc4a5ec00)
     at /usr/src/sys/cam/cam_xpt.c:4856
 #8  0xc046c9ce in probedone (periph=0xc502b580, done_ccb=Variable 
 "done_ccb" is
 not available.
 )
     at /usr/src/sys/cam/cam_xpt.c:6331
 #9  0xc0468b0f in camisr_runqueue (V_queue=Variable "V_queue" is not 
 available.
 ) at /usr/src/sys/cam/cam_xpt.c:7255
 #10 0xc046cfdf in xpt_bus_deregister (pathid=1)
     at /usr/src/sys/cam/cam_xpt.c:4442
 #11 0xc06b6300 in umass_cam_detach_sim (sc=0xc4faa600)
     at /usr/src/sys/dev/usb/umass.c:2694
     at /usr/src/sys/cam/cam_xpt.c:4442
 #11 0xc06b6300 in umass_cam_detach_sim (sc=0xc4faa600)
     at /usr/src/sys/dev/usb/umass.c:2694
 #12 0xc06b63ad in umass_detach (self=0xc5024d00)
     at /usr/src/sys/dev/usb/umass.c:1542
 #13 0xc074e9a8 in device_detach (dev=0xc5024d00) at device_if.h:212
 #14 0xc06bc452 in usb_disconnect_port (up=0xc486d56c, parent=0xc4866500)
     at /usr/src/sys/dev/usb/usb_subr.c:1380
 ---Type <return> to continue, or q <return> to quit---
 #15 0xc06b3cbe in uhub_explore (dev=0xc4866580)
     at /usr/src/sys/dev/usb/uhub.c:462
 #16 0xc06ba795 in usb_discover (v=Variable "v" is not available.
 ) at /usr/src/sys/dev/usb/usb.c:724
 #17 0xc06bb047 in usb_event_thread (arg=0xc48dbbc0)
     at /usr/src/sys/dev/usb/usb.c:440
 #18 0xc0716914 in fork_exit (callout=0xc06bafb0 <usb_event_thread>,
     arg=0xc48dbbc0, frame=0xe30b5d38) at /usr/src/sys/kern/kern_fork.c:754
 #19 0xc09a1ad0 in fork_trampoline () at 
 /usr/src/sys/i386/i386/exception.s:205
 (kgdb)
 
 Fulvio Ciriaco