[Bug 203875] Kernel panic when destroying wlan0 iwn 6205

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=203875

--- Comment #1 from tim at orgizm.net ---
Hi,

The wpa_supplicant not working unless waiting for 10secs after creating the
wlan interface issue seems to be fixed in r289718

The kernel panic issue when destroying the wlan interface however does persist,
not always though, when the system had been up for hours I have not been able
to reproduce it at all, when I had just booted it, it crashed at every try.

Fatal trap 9: general protection fault while in kernel mode
cpuid = 0; apic id = 00
instruction pointer     = 0x20:0xffffffff80b3ff48
stack pointer           = 0x28:0xfffffe0460f20940
frame pointer           = 0x28:0xfffffe0460f20960
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         = 0 (iwn0 net80211 taskq)

Please excuse my English and many thanks
Tim Beikuefner

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