Skip site navigation (1)Skip section navigation (2)
Date:      Mon, 06 Nov 2017 09:06:19 +0000
From:      bugzilla-noreply@freebsd.org
To:        freebsd-usb@FreeBSD.org
Subject:   [Bug 222624] [usb] [panic] thread's sleep queue 0 is not empty at usb_process.c:193
Message-ID:  <bug-222624-17-fYOkcUKvOS@https.bugs.freebsd.org/bugzilla/>
In-Reply-To: <bug-222624-17@https.bugs.freebsd.org/bugzilla/>
References:  <bug-222624-17@https.bugs.freebsd.org/bugzilla/>

next in thread | previous in thread | raw e-mail | index | archive | help
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D222624

--- Comment #12 from Bernhard Froehlich <decke@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 =3D 0 (0xfffffe0000fc3140) lock=
ed @
/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 =3D 3; apic id =3D 06
fault virtual address   =3D 0x48
fault code              =3D supervisor read data, page not present
instruction pointer     =3D 0x20:0xffffffff80887814
stack pointer           =3D 0x28:0xfffffe0460cb2ab0
frame pointer           =3D 0x28:0xfffffe0460cb2ad0
code segment            =3D base 0x0, limit 0xfffff, type 0x1b
                        =3D DPL 0, pres 1, long 1, def32 0, gran 1
processor eflags        =3D interrupt enabled, resume, IOPL =3D 0
current process         =3D 12 (irq23: ehci0)
trap number             =3D 12
panic: page fault
cpuid =3D 3
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0x2b/frame 0xfffffe0460cb2=
690
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 =3D 0xffffffff80887814, rsp =3D 0xfffffe0460cb2ab0, rbp =
=3D
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 =3D 0, rsp =3D 0, rbp =3D 0 ---
Uptime: 11h1m19s

--=20
You are receiving this mail because:
You are the assignee for the bug.=



Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?bug-222624-17-fYOkcUKvOS>