I get an always-reproducible panic when the digital camera is attached via USB, and activated. On RELENG_6: umass0: KONICA MINOLTA DIMAGE CAMERA, rev 2.00/0.01, addr 2 umass0: Get Max Lun not supported (SHORT_XFER) da0 at umass-sim0 bus 0 target 0 lun 0 da0: <KMCA DIMAGE CAMERA 1.00> Removable Direct Access SCSI-0 device da0: 40.000MB/s transfers da0: 488MB (1000944 512 byte sectors: 64H 32S/T 488C) On RELENG_7, the panic occurs immediately after the first two lines above. ------------------------- Fatal trap 12: page fault while in kernel mode cpuid = 1; apic id = 01 fault virtual address = 0x20 fault code = supervisor read data, page not present instruction pointer = 0x8:0xffffffff802b6250 stack pointer = 0x10:0xffffffffabda5770 frame pointer = 0x10:0xffffffffabda5780 code segment = base rx0, limit 0xfffff, type 0x1b = DPL 0, pres 1, long 1, def32 0, gran 1 processor eflags = interrupt enabled, resume, IOPL = 0 current process = 30 (usb1) [ thread pid 30 tid 1000022 ] Stopped at _mtx_assert+0x70: morq 0x20(%rdi),%rax backtrace: -------------------------------- Tracing pid 30 tid 1000022 td 0xffffff00182350 _mtx_assert() at _mtx_assert+0x70 xpt_release_ccb() at xpt_release_ccb+0x49 probedone() at probedone+0x9c camisr_runqueue() at camisr_runqueue+0x1a3 xpt_bus_deregister() at xpt_bus_deregister+0x185 umass_cam_detach_sim() at umass_cam_detach_sim+0x1f umass_detach() at umass_detach+0xcf device_detach() at device_detach+0xa4 usb_disconnect_port() at usb_disconnect_port+0x86 uhub_explore)_ at uhub_explore+0x101 usb_discover() at usb_discover+0x38 usb_event_thread() at usb_event_thread+0x7c fork_exit)_ at fork_exit+0x128 fork_trampoline() at fork_trampoline+0xe --- trap 0, rip=0, rsp=0xffffffffabda5d30, rbp=0 --- How-To-Repeat: -- attach the camera to the machine via USB -- turn the camera on --> panic
For bugs matching the following criteria: Status: In Progress Changed: (is less than) 2014-06-01 Reset to default assignee and clear in-progress tags. Mail being skipped
This looks like one of the bugs that we've fixed in umass as part of the hardening efforts to make the umass disappearance robust. Closing it as OBE. If there's still an issue with FreeBSD 11 or 12, please open a new bug and cc me so we can get to the bottom of this.