Issue #2300 has been updated by tuxillo. Status changed from Feedback to Closed Target version changed from 3.8.0 to 4.2.x
Since we have a new USB stack I'm closing this one. ---------------------------------------- Bug #2300: DFBSD v3.0.0.6.gbd613-RELEASE - EHCI module unload panic http://bugs.dragonflybsd.org/issues/2300#change-12419 * Author: tuxillo * Status: Closed * Priority: Normal * Assignee: tuxillo * Category: Driver * Target version: 4.2.x ---------------------------------------- Hi, When unloading ehci module, after few seconds of activity I get this panic: Fatal trap 12: page fault while in kernel mode cpuid = 1; lapic->id = 01000000 fault virtual address = 0x48 fault code = supervisor read data, page not present instruction pointer = 0x8:0xffffffff806ce788 stack pointer = 0x10:0xffffffe0a36aa870 frame pointer = 0x10:0xffffffe0a36aa908 code segment = base 0x0, limit 0xfffff, type 0x1b = DPL 0, pres 1, long 0, def32 0, gran 1 processor eflags = interrupt enabled, resume, IOPL = 0 current process = 680 current thread = pri 6 trap number = 12 panic: page fault cpuid = 1 [...] (kgdb) bt #0 _get_mycpu () at ./machine/thread.h:69 #1 md_dumpsys (di=<optimized out>) at /usr/src/sys/platform/pc64/x86_64/dump_machdep.c:263 #2 0xffffffff80499ea5 in dumpsys () at /usr/src/sys/kern/kern_shutdown.c:925 #3 0xffffffff8049a50b in boot (howto=260) at /usr/src/sys/kern/kern_shutdown.c:387 #4 0xffffffff8049a7c2 in panic (fmt=0xffffffff807a86cb "%s") at /usr/src/sys/kern/kern_shutdown.c:831 #5 0xffffffff807598d4 in trap_fatal (frame=0xffffffe0a36aa7b8, eva=<optimized out>) at /usr/src/sys/platform/pc64/x86_64/trap.c:1018 #6 0xffffffff80759ae1 in trap_pfault (frame=0xffffffe0a36aa7b8, usermode=0) at /usr/src/sys/platform/pc64/x86_64/trap.c:912 #7 0xffffffff8075a0b5 in trap (frame=0xffffffe0a36aa7b8) at /usr/src/sys/platform/pc64/x86_64/trap.c:617 #8 0xffffffff80743fdf in calltrap () at /usr/src/sys/platform/pc64/x86_64/exception.S:188 #9 0xffffffff806ce788 in usbioctl (ap=0xffffffe0a36aa918) at /usr/src/sys/bus/usb/usb.c:614 #10 0xffffffff8047bf3c in dev_dioctl (dev=0xffffffe07dede490, cmd=<optimized out>, data=<optimized out>, fflag=<optimized out>, cred=<optimized out>, msg=<optimized out>) at /usr/src/sys/kern/kern_device.c:243 #11 0xffffffff80665ac1 in devfs_fo_ioctl (fp=0xffffffe07df2b0d8, com=536892675, data=<optimized out>, ucred=<optimized out>, msg=<optimized out>) at /usr/src/sys/vfs/devfs/devfs_vnops.c:1449 #12 0xffffffff804cb26e in fo_ioctl (fp=0xffffffe07df2b0d8, com=536892675, data=0xffffffe0a36aaa58 "p\367\377\377\377\177", cred=0xffffffe00e2c7260, msg=0xffffffe0a36aab68) at /usr/src/sys/sys/file2.h:88 #13 0xffffffff804cb725 in mapped_ioctl (fd=<optimized out>, com=536892675, uspc_data=<optimized out>, map=<optimized out>, msg=<optimized out>) at /usr/src/sys/kern/sys_generic.c:733 #14 0xffffffff804cb7be in sys_ioctl (uap=0xffffffe00e2c7260) at /usr/src/sys/kern/sys_generic.c:552 #15 0xffffffff8075a891 in syscall2 (frame=0xffffffe0a36aac18) at /usr/src/sys/platform/pc64/x86_64/trap.c:1231 #16 0xffffffff8074422b in Xfast_syscall () at /usr/src/sys/platform/pc64/x86_64/exception.S:323 #17 0x000000000000002b in ?? () Backtrace stopped: previous frame inner to this frame (corrupt stack?) Core available upon request. Also, if someone is experiencing this too please add your findings to this ticket. Cheers, Antonio Huete ---Files-------------------------------- usb_detach01.diff (302 Bytes) -- You have received this notification because you have either subscribed to it, or are involved in it. To change your notification preferences, please click here: http://bugs.dragonflybsd.org/my/account
