[Bug 205166] OS craching on USB connection.

[bugzilla-noreply at freebsd.org]

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=205166

--- Comment #2 from agniaus at gmail.com ---
I put wrong kernel panic log:
Dec  8 18:59:33 server kernel: Fatal trap 12: page fault while in kernel mode
Dec  8 18:59:33 server kernel: cpuid = 0; apic id = 00
Dec  8 18:59:33 server kernel: fault virtual address    = 0x378
Dec  8 18:59:33 server kernel: fault code               = supervisor read data,
page not present
Dec  8 18:59:33 server kernel: instruction pointer      =
0x20:0xffffffff80950ceb
Dec  8 18:59:33 server kernel: stack pointer            =
0x28:0xfffffe00f0f86970
Dec  8 18:59:33 server kernel: frame pointer            =
0x28:0xfffffe00f0f86a30
Dec  8 18:59:33 server kernel: code segment             = base 0x0, limit
0xfffff, type 0x1b
Dec  8 18:59:33 server kernel: = DPL 0, pres 1, long 1, def32 0, gran 1
Dec  8 18:59:33 server kernel: processor eflags = interrupt enabled, resume,
IOPL = 0
Dec  8 18:59:33 server kernel: current process          = 13 (g_event)
Dec  8 18:59:33 server kernel: trap number              = 12
Dec  8 18:59:33 server kernel: panic: page fault
Dec  8 18:59:33 server kernel: cpuid = 0
Dec  8 18:59:33 server kernel: KDB: stack backtrace:
Dec  8 18:59:33 server kernel: #0 0xffffffff80984e30 at kdb_backtrace+0x60
Dec  8 18:59:33 server kernel: #1 0xffffffff809489e6 at vpanic+0x126
Dec  8 18:59:33 server kernel: #2 0xffffffff809488b3 at panic+0x43
Dec  8 18:59:33 server kernel: #3 0xffffffff80d4aa8b at trap_fatal+0x36b
Dec  8 18:59:33 server kernel: #4 0xffffffff80d4ad8d at trap_pfault+0x2ed
Dec  8 18:59:33 server kernel: #5 0xffffffff80d4a42a at trap+0x47a
Dec  8 18:59:33 server kernel: #6 0xffffffff80d307a2 at calltrap+0x8
Dec  8 18:59:33 server kernel: #7 0xffffffff809507fd at _sx_xlock+0x5d
Dec  8 18:59:33 server kernel: #8 0xffffffff819a2010 at g_mirror_access+0x100
Dec  8 18:59:33 server kernel: #9 0xffffffff808ab74e at g_access+0x14e
Dec  8 18:59:33 server kernel: #10 0xffffffff808ad017 at g_vfs_orphan+0xc7
Dec  8 18:59:33 server kernel: #11 0xffffffff808a7c77 at g_run_events+0x237
Dec  8 18:59:33 server kernel: #12 0xffffffff8091244a at fork_exit+0x9a

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