Date: Tue, 10 Feb 2009 22:54:55 +0100 (CET) From: Stephane Legrand <stephleg@free.fr> To: FreeBSD-gnats-submit@FreeBSD.org Subject: kern/131575: Immediate crash after plug of an USB key Message-ID: <200902102154.n1ALst7G001885@sequoia.mondomaineamoi.megalo> Resent-Message-ID: <200902102210.n1AMA39Y039227@freefall.freebsd.org>
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>Number: 131575
>Category: kern
>Synopsis: Immediate crash after plug of an USB key
>Confidential: no
>Severity: serious
>Priority: medium
>Responsible: freebsd-bugs
>State: open
>Quarter:
>Keywords:
>Date-Required:
>Class: sw-bug
>Submitter-Id: current-users
>Arrival-Date: Tue Feb 10 22:10:03 UTC 2009
>Closed-Date:
>Last-Modified:
>Originator: Stephane Legrand
>Release: FreeBSD 7.1-STABLE i386
>Organization:
>Environment:
System: FreeBSD 7.1-STABLE FreeBSD 7.1-STABLE #20: Sat Jan 10 15:24:24 CET 2009 i386
GNOME 2.24.3
>Description:
After having plugged an USB key, i had an immediate crash.
Here is the backtrace :
Fatal trap 12: page fault while in kernel mode
cpuid = 0; apic id = 00
fault virtual address = 0xc8538000
fault code = supervisor read, page not present
instruction pointer = 0x20:0xc07df8ea
stack pointer = 0x28:0xe4276b84
frame pointer = 0x28:0xe4276b8c
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 = 2 (g_event)
trap number = 12
panic: page fault
cpuid = 0
Uptime: 3h27m9s
Physical memory: 1002 MB
Dumping 224 MB: 209 193 177 161 145 129 113 97 81 65 49 33 17 1
Reading symbols from /boot/kernel/linprocfs.ko...Reading symbols from /boot/kernel/linprocfs.ko.symbols...done.
done.
Loaded symbols for /boot/kernel/linprocfs.ko
Reading symbols from /boot/kernel/linux.ko...Reading symbols from /boot/kernel/linux.ko.symbols...done.
done.
Loaded symbols for /boot/kernel/linux.ko
Reading symbols from /boot/kernel/linsysfs.ko...Reading symbols from /boot/kernel/linsysfs.ko.symbols...done.
done.
Loaded symbols for /boot/kernel/linsysfs.ko
Reading symbols from /boot/kernel/snd_hda.ko...Reading symbols from /boot/kernel/snd_hda.ko.symbols...done.
done.
Loaded symbols for /boot/kernel/snd_hda.ko
Reading symbols from /boot/kernel/sound.ko...Reading symbols from /boot/kernel/sound.ko.symbols...done.
done.
Loaded symbols for /boot/kernel/sound.ko
Reading symbols from /boot/kernel/acpi.ko...Reading symbols from /boot/kernel/acpi.ko.symbols...done.
done.
Loaded symbols for /boot/kernel/acpi.ko
Reading symbols from /boot/kernel/netgraph.ko...Reading symbols from /boot/kernel/netgraph.ko.symbols...done.
done.
Loaded symbols for /boot/kernel/netgraph.ko
Reading symbols from /boot/kernel/ng_ether.ko...Reading symbols from /boot/kernel/ng_ether.ko.symbols...done.
done.
Loaded symbols for /boot/kernel/ng_ether.ko
Reading symbols from /boot/kernel/ng_pppoe.ko...Reading symbols from /boot/kernel/ng_pppoe.ko.symbols...done.
done.
Loaded symbols for /boot/kernel/ng_pppoe.ko
Reading symbols from /boot/kernel/ng_socket.ko...Reading symbols from /boot/kernel/ng_socket.ko.symbols...done.
done.
Loaded symbols for /boot/kernel/ng_socket.ko
Reading symbols from /boot/kernel/ipfw.ko...Reading symbols from /boot/kernel/ipfw.ko.symbols...done.
done.
Loaded symbols for /boot/kernel/ipfw.ko
Reading symbols from /usr/local/modules/fuse.ko...done.
Loaded symbols for /usr/local/modules/fuse.ko
Reading symbols from /boot/kernel/accf_http.ko...Reading symbols from /boot/kernel/accf_http.ko.symbols...done.
done.
Loaded symbols for /boot/kernel/accf_http.ko
Reading symbols from /boot/kernel/i915.ko...done.
Loaded symbols for /boot/kernel/i915.ko
Reading symbols from /boot/kernel/drm.ko...done.
Loaded symbols for /boot/kernel/drm.ko
#0 doadump () at pcpu.h:196
196 __asm __volatile("movl %%fs:0,%0" : "=r" (td));
(kgdb) bt
#0 doadump () at pcpu.h:196
#1 0xc0755d9f in boot (howto=260) at /usr/src/sys/kern/kern_shutdown.c:418
#2 0xc0756064 in panic (fmt=Variable "fmt" is not available.
) at /usr/src/sys/kern/kern_shutdown.c:574
#3 0xc09ebf70 in trap_fatal (frame=0xe4276b44, eva=3360915456) at /usr/src/sys/i386/i386/trap.c:939
#4 0xc09ec1c0 in trap_pfault (frame=0xe4276b44, usermode=0, eva=3360915456) at /usr/src/sys/i386/i386/trap.c:852
#5 0xc09ecb1a in trap (frame=0xe4276b44) at /usr/src/sys/i386/i386/trap.c:530
#6 0xc09d47eb in calltrap () at /usr/src/sys/i386/i386/exception.s:159
#7 0xc07df8ea in strlcpy (dst=0xe4276c10 " Windows : ",
src=0xc8537e40 " Windows : \r\n\r\n1 : Spark (50 Mo)\r\n2 : Coccinella (37 Mo)\r\n3 : gajim (31 Mo) : lors des tests, peut monter à 37 Mo\r\n4 : psi (25 Mo) : lors des tests, peut monter à 40 Mo\r\n5 : pidgin (25 Mo)\r\n6 : Exodus"..., siz=12) at /usr/src/sys/libkern/strlcpy.c:64
#8 0xc07061e1 in g_label_msdosfs_taste (cp=0xc4ec7280, label=0xe4276c10 " Windows : ", size=64) at /usr/src/sys/geom/label/g_label_msdosfs.c:187
#9 0xc0705852 in g_label_taste (mp=0xc0b34640, pp=0xc5485480, flags=0) at /usr/src/sys/geom/label/g_label.c:313
#10 0xc07031a1 in g_new_provider_event (arg=0xc5485480, flag=0) at /usr/src/sys/geom/geom_subr.c:543
#11 0xc06ffe5f in g_run_events () at /usr/src/sys/geom/geom_event.c:211
#12 0xc07010b7 in g_event_procbody () at /usr/src/sys/geom/geom_kern.c:141
#13 0xc0733561 in fork_exit (callout=0xc070104c <g_event_procbody>, arg=0x0, frame=0xe4276d38) at /usr/src/sys/kern/kern_fork.c:804
#14 0xc09d4860 in fork_trampoline () at /usr/src/sys/i386/i386/exception.s:264
>How-To-Repeat:
I tried to reproduce by plugging the same key after the reboot but it didn't happened again.
>Fix:
>Release-Note:
>Audit-Trail:
>Unformatted:
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