[Bug 188369] [xen] [panic] FreeBSD 10 XENHVM panic under NetBSD Dom0 (xn_txeof: WARNING: response is -1)

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=188369

--- Comment #9 from miguelmclara at gmail.com ---
One thing to note is that the panic is not related to the "mbuf already on the
free list" anymore:



Fatal trap 12: page fault while in kernel mode
cpuid = 0; apic id = 00
fault virtual address   = 0x3
fault code              = supervisor read data, page not present
instruction pointer     = 0x20:0xffffffff80800c65
stack pointer           = 0x28:0xfffffe00002b29d0
frame pointer           = 0x28:0xfffffe00002b2a20
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 (irq771: xn0)
trap number             = 12
panic: page fault
cpuid = 0
KDB: stack backtrace:
#0 0xffffffff8095b050 at kdb_backtrace+0x60
#1 0xffffffff8091f745 at panic+0x155
#2 0xffffffff80d1edff at trap_fatal+0x38f
#3 0xffffffff80d1f118 at trap_pfault+0x308
#4 0xffffffff80d1e77a at trap+0x47a
#5 0xffffffff80d04492 at calltrap+0x8
#6 0xffffffff808027e4 at xn_intr+0x74
#7 0xffffffff808f255b at intr_event_execute_handlers+0xab
#8 0xffffffff808f29a6 at ithread_loop+0x96
#9 0xffffffff808f017a at fork_exit+0x9a
#10 0xffffffff80d049ce at fork_trampoline+0xe

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