Date: Sun, 28 Sep 2003 11:34:39 +0100 From: Antony T Curtis <antony.t.curtis@ntlworld.com> To: freebsd-current@freebsd.org Subject: UMASS: fatal trap while unplugging floppy drive Message-ID: <1064745279.23318.17.camel@pcgem.rdg.cyberkinetica.com>
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[-- Attachment #1 --] Hi I cvsupped this morning and rebuilt world and kernel... When I unplug the USB floppy drive, I get the following > umass0: at uhub1 port 1 (addr 2) disconnected > (da0:umass-sim0:0:0:0): lost device > (da0:umass-sim0:0:0:0): removing device entry > GEOM: destroy disk da0 dp=0xc40b6450 > > > Fatal trap 12: page fault while in kernel mode > fault virtual address = 0x2c > fault code = supervisor read, page not present > instruction pointer = 0x8:0xc05fc8b7 > stack pointer = 0x10:0xd7151b68 > frame pointer = 0x10:0xd7151b70 > code segment = base 0x0, limit 0xfffff , type 0x1b > = DPL 0, pres 1, def32 1, gran 1 > processor eflags = interrupt enabled, resume, IOPL = 0 > current process = 29 (usb1) > kernel: type 12 trap, code=0 > Stopped at cam_periph_invalidate_0xc: testb $0x8,0x2c(%bx) > db> trace > cam_periph_invalidate(0,c06205b5,0,ffffffff,ffffffff) at cam_periph_invalidate+0xc > targbhasync(0,40,d7151c1c,0,0) at targbhasync_0xdd > xpt_async_bcast(c150de70,40,d7151c1c,0,0) at xpt_async_bcast+0x3c > xpt_bus_deregister(0,d7151c4c,c44390a8,d7151c5c,c44a9d7f) at xpt_bus_deregister+0x6e > umass_cam_detach_sim(c4450000,c44390a8,c442b200,c442b200,d7151cb0) at umass_cam_detach_sim+0x21 > umass_detach(c442b200,c44390a8,c02ff818,c442b200,0) at umass_detach+0x31 > device_detach(c3fde8b0,c3fdec00,11,186,c018505b) at device_detach+0x6e > uhub_explore(c3fde980,c3fcdd00,d7151d18,c04046d7,c3fcdd00) at uhub_explore+0x17c > usb_discover(c3fcdd00,0,5c,c0416ce8,1770) at usb_discover+0x36 > usb_event_thread(c3fcdd00,d7151d48,c02c47bb,314,c3fcdd00) at usb_event_thread+0x62 > fork_exit() at fork_exit+0xaf -- Antony T Curtis BSc Unix Analyst Programmer http://homepage.ntlworld.com/antony.t.curtis/ [-- Attachment #2 --] -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.3 (FreeBSD) iD8DBQA/drk/ql7dp2cddmIRAkQTAJ0aO5aygsDT9LW8MgOjLdyTa9jISACfdXBK wR8FauMEmRxaIV+mV02IWSs= =NK8S -----END PGP SIGNATURE-----
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