https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=222624
--- Comment #12 from Bernhard Froehlich <de...@freebsd.org> --- Another panic but this time a different one still USB related as it seems. FreeBSD 11.1-STABLE #1 r325275: Wed Nov 1 13:08:01 CET 2017 Unread portion of the kernel message buffer: Kernel page fault with the following non-sleepable locks held: exclusive sleep mutex ehci0 (usb_def_mtx) r = 0 (0xfffffe0000fc3140) locked @ /usr/src/sys/dev/usb/controller/ehci.c:1465 stack backtrace: #0 0xffffffff80abe640 at witness_debugger+0x70 #1 0xffffffff80abfa6e at witness_warn+0x45e #2 0xffffffff80edb013 at trap_pfault+0x53 #3 0xffffffff80eda810 at trap+0x2b0 #4 0xffffffff80ebc671 at calltrap+0x8 #5 0xffffffff80886dd1 at ehci_interrupt+0x221 #6 0xffffffff80a22259 at intr_event_execute_handlers+0x99 #7 0xffffffff80a228f6 at ithread_loop+0xb6 #8 0xffffffff80a1f944 at fork_exit+0x84 #9 0xffffffff80ebcc5e at fork_trampoline+0xe Fatal trap 12: page fault while in kernel mode cpuid = 3; apic id = 06 fault virtual address = 0x48 fault code = supervisor read data, page not present instruction pointer = 0x20:0xffffffff80887814 stack pointer = 0x28:0xfffffe0460cb2ab0 frame pointer = 0x28:0xfffffe0460cb2ad0 code segment = base 0x0, limit 0xfffff, type 0x1b = DPL 0, pres 1, long 1, def32 0, gran 1 processor eflags = interrupt enabled, resume, IOPL = 0 current process = 12 (irq23: ehci0) trap number = 12 panic: page fault cpuid = 3 KDB: stack backtrace: db_trace_self_wrapper() at db_trace_self_wrapper+0x2b/frame 0xfffffe0460cb2690 vpanic() at vpanic+0x186/frame 0xfffffe0460cb2710 panic() at panic+0x43/frame 0xfffffe0460cb2770 trap_fatal() at trap_fatal+0x322/frame 0xfffffe0460cb27c0 trap_pfault() at trap_pfault+0x62/frame 0xfffffe0460cb2820 trap() at trap+0x2b0/frame 0xfffffe0460cb29e0 calltrap() at calltrap+0x8/frame 0xfffffe0460cb29e0 --- trap 0xc, rip = 0xffffffff80887814, rsp = 0xfffffe0460cb2ab0, rbp = 0xfffffe0460cb2ad0 --- ehci_check_transfer() at ehci_check_transfer+0x94/frame 0xfffffe0460cb2ad0 ehci_interrupt() at ehci_interrupt+0x221/frame 0xfffffe0460cb2b20 intr_event_execute_handlers() at intr_event_execute_handlers+0x99/frame 0xfffffe0460cb2b60 ithread_loop() at ithread_loop+0xb6/frame 0xfffffe0460cb2bb0 fork_exit() at fork_exit+0x84/frame 0xfffffe0460cb2bf0 fork_trampoline() at fork_trampoline+0xe/frame 0xfffffe0460cb2bf0 --- trap 0, rip = 0, rsp = 0, rbp = 0 --- Uptime: 11h1m19s -- You are receiving this mail because: You are the assignee for the bug. _______________________________________________ freebsd-usb@freebsd.org mailing list https://lists.freebsd.org/mailman/listinfo/freebsd-usb To unsubscribe, send any mail to "freebsd-usb-unsubscr...@freebsd.org"