Date: Fri, 11 Dec 2009 19:14:13 +0300 From: pluknet <pluknet@gmail.com> To: Andriy Gapon <avg@icyb.net.ua> Cc: "current@freebsd.org" <current@freebsd.org> Subject: Re: acquiring duplicate lock of same type: "ftlk" Message-ID: <a31046fc0912110814x47af24adn54d7cb642f26b7e9@mail.gmail.com> In-Reply-To: <4B225348.3010806@icyb.net.ua> References: <4B225348.3010806@icyb.net.ua>
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2009/12/11 Andriy Gapon <avg@icyb.net.ua>: > > acquiring duplicate lock of same type: "ftlk" > 1st ftlk @ /usr/src/sys/compat/linux/linux_futex.c:177 > 2nd ftlk @ /usr/src/sys/compat/linux/linux_futex.c:203 > KDB: stack backtrace: > db_trace_self_wrapper() at 0xffffffff801b1b9a = db_trace_self_wrapper+0x2a > kdb_backtrace() at 0xffffffff80391542 = kdb_backtrace+0x32 > _witness_debugger() at 0xffffffff803a561c = _witness_debugger+0x2c > witness_checkorder() at 0xffffffff803a6640 = witness_checkorder+0x510 > _sx_xlock() at 0xffffffff80367f78 = _sx_xlock+0x88 > futex_get0() at 0xffffffff8055ba27 = futex_get0+0x1e7 > linux_sys_futex() at 0xffffffff8055c74a = linux_sys_futex+0x58a > ia32_syscall() at 0xffffffff8054a574 = ia32_syscall+0x2a4 > Xint0x80_syscall() at 0xffffffff80509425 = Xint0x80_syscall+0x95 Please, see this thread: http://lists.freebsd.org/pipermail/freebsd-emulation/2009-September/006786.html -- wbr, pluknet
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