From: "=?ISO-8859-2?Q?Pawe=B3_Ma=B3achowski?=" <pawmal@unia.3lo.lublin.pl> To: David Greenman-Lawrence <dg@dglawrence.com>, freebsd-bugs@FreeBSD.org Subject: Re: kern/42260: 4.6-STABLE kernel panic, fxp related Message-ID: <20020901123326Z1512019-2697%2B1@mx1.lublin.pl> In-Reply-To: <200208312000.g7VK0CnX002462@freefall.freebsd.org>
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On 31 Aug 02, at 13:00, David Greenman-Lawrence wrote: > >#15 0xc037859f in trap (frame={tf_fs = 16, tf_es = 16, tf_ds = 16, > > tf_edi = 6756538, tf_esi = 1, tf_ebp = -1069570240, tf_isp = -1069570280, > > tf_ebx = -1058483712, tf_edx = -1058799616, tf_ecx = -1608507392, > > tf_eax = 1828738, tf_trapno = 12, tf_err = 2, tf_eip = -1071494537, > > tf_cs = 8, tf_eflags = 66070, tf_esp = -1058571520, tf_ss = -1058512894}) > > at /usr/src/sys/i386/i386/trap.c:466 > >#16 0xc0224a77 in m_getcl (how=1, type=1, flags=2) > > at /usr/src/sys/kern/uipc_mbuf.c:589 > >#17 0xc01ae05f in fxp_add_rfabuf (sc=0xc15bca00, oldm=0xc0e77b00) > > at /usr/src/sys/dev/fxp/if_fxp.c:1863 > > Looks like a problem in the new m_getcl() function, which has had some > problems recently, but were thought to be fixed. it was fresh 4.6-STABLE. note, there are two different kind of panics. only 2nd shows page fault in m_getcl(). 1st was in sosend(). both are happening to me and are always identical. both were kern/uipc* related. 1. Fatal trap 12: page fault while in kernel mode fault virtual address = 0xc0ffe798 fault code = supervisor write, page not present instruction pointer = 0x8:0xc022794f stack pointer = 0x10:0xcdf07e30 frame pointer = 0x10:0xcdf07e54 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 = 503 (ftpd) interrupt mask = net tty trap number = 12 panic: page fault syncing disks... 7 1 done Uptime: 24m38s #6 0xc022794f in sosend (so=0xcccde240, addr=0x0, uio=0xcdf07ed4, top=0x0, control=0x0, flags=0, p=0xcc2e8ea0) at /usr/src/sys/kern/uipc_socket.c:567 567 MCLGET(m, M_WAIT); 2. Fatal trap 12: page fault while in kernel mode fault virtual address = 0xc0ffe782 fault code = supervisor write, page not present instruction pointer = 0x8:0xc0224a77 stack pointer = 0x10:0xc03fa72c frame pointer = 0x10:0xc03fa740 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 = Idle interrupt mask = net tty trap number = 12 panic: page fault syncing disks... Fatal trap 12: page fault while in kernel mode fault virtual address = 0x30 fault code = supervisor read, page not present instruction pointer = 0x8:0xc030c048 stack pointer = 0x10:0xc03fa54c frame pointer = 0x10:0xc03fa554 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 = Idle interrupt mask = net tty bio cam trap number = 12 panic: page fault Uptime: 3m8s #6 0xc030c048 in acquire_lock (lk=0xc042f37c) at /usr/src/sys/ufs/ffs/ffs_softdep.c:266 266 lk->lkt_held = CURPROC->p_pid; #16 0xc0224a77 in m_getcl (how=1, type=1, flags=2) at /usr/src/sys/kern/uipc_mbuf.c:589 589 MCLGET(mp, how); -- Paweł Małachowski, mailto:pawmal#freebsd,lublin,pl To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-bugs" in the body of the message
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