Date: Fri, 14 Oct 2011 12:11:03 +0800 From: Adrian Chadd <adrian@freebsd.org> To: Edgar Martinez <emartinez@kbcnetworks.com> Cc: freebsd-wireless@freebsd.org Subject: Re: LOR - COM LOCK Message-ID: <CAJ-Vmo=JORbYs4V0gOnYyE6Fxg8t8SCZ-wFcSbPWra-Bh%2B0yYQ@mail.gmail.com> In-Reply-To: <957EB052144AA64AB39F7AB268783201022FA3E653@VA3DIAXVS881.RED001.local> References: <CAJ-Vmo=JNTJDmxxo=C=W9=9%2BdWZFje7vbbas6hJ79RFN=5wvMA@mail.gmail.com> <957EB052144AA64AB39F7AB268783201022FA3E653@VA3DIAXVS881.RED001.local>
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On 11 October 2011 23:49, Edgar Martinez <emartinez@kbcnetworks.com> wrote: > Kernel page fault with the following non-sleepable locks held: > exclusive sleep mutex ath1_scan_lock (ath1_scan_lock) r = 0 (0xc5912778) locked @ /usr/src/sys/net80211/ieee80211_node.c:2158 Right, the "lock held" isn't important though. What's the actual panic. > Fatal trap 12: page fault while in kernel mode > fault virtual address = 0xc5c83008 > fault code = supervisor read, page not present > instruction pointer = 0x20:0xc06520ac > stack pointer = 0x28:0xcead8964 > frame pointer = 0x28:0xcead8974 > 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 = 75563 (hostapd) > [ thread pid 75563 tid 100057 ] > Stopped at 0xc06520ac = ieee80211_free_node_debug+0xc: movl 0x8(%esi),%edi Hm, in the debugger, what's "nt" ? Is it NULL? Adrianhelp
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