Date: Mon, 15 Feb 2010 18:50:39 -0800 From: Sean Bruno <seanbru@yahoo-inc.com> To: Julian Stecklina <js@alien8.de> Cc: "freebsd-firewire@freebsd.org" <freebsd-firewire@freebsd.org> Subject: Re: fwip -> kernel panic Message-ID: <1266288639.3190.6.camel@localhost.localdomain> In-Reply-To: <87zl3b464g.fsf@tabernacle.localhost> References: <87zl3b464g.fsf@tabernacle.localhost>
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On Sun, 2010-02-14 at 17:53 -0800, Julian Stecklina wrote: > Hello, > > -STABLE r203907 (amd64) reliable panics when I connect my FreeBSD box to > a Linux box using Firewire and do: > > linux% ifconfig firewire0 up 10.0.0.1 && nc -l -p 9123 > fbsd% ifconfig fwip0 up 10.0.0.2 ; echo hello | nc 10.0.0.1 9123 > > Details follow: > > kernel trap 12 with interrupts disabled > > > Fatal trap 12: page fault while in kernel mode > cpuid = 0; apic id = 00 > fault virtual address = 0xffff0212 > fault code = supervisor write data, page not present > instruction pointer = 0x20:0xffffffff803db410 > stack pointer = 0x28:0xffffff80af3d5890 > frame pointer = 0x28:0xffffff80af3d58d0 > code segment = base 0x0, limit 0xfffff, type 0x1b > = DPL 0, pres 1, long 1, def32 0, gran 1 > processor eflags = resume, IOPL = 0 > current process = 0 (fw0_taskq) > lock order reversal: (Giant after non-sleepable) > 1st 0xffffff008520de10 lle (lle) @ /usr/src/sys/netinet/in.c:1455 > 2nd 0xffffffff8091ac20 Giant (Giant) @ /usr/src/sys/dev/usb/input/ukbd.c:1594 > KDB: stack backtrace: > Physical memory: 6128 MB > > #0 doadump () at pcpu.h:223 > #1 0xffffffff801c702c in db_fncall (dummy1=Variable "dummy1" is not available. > ) at /usr/src/sys/ddb/db_command.c:548 > #2 0xffffffff801c7361 in db_command (last_cmdp=0xffffffff808ea8a0, cmd_table=Variable "cmd_table" is not available. > ) at /usr/src/sys/ddb/db_command.c:445 > #3 0xffffffff801c75b0 in db_command_loop () at /usr/src/sys/ddb/db_command.c:498 > #4 0xffffffff801c9509 in db_trap (type=Variable "type" is not available. > ) at /usr/src/sys/ddb/db_main.c:229 > #5 0xffffffff803f6715 in kdb_trap (type=12, code=0, tf=0xffffff80af3d57e0) at /usr/src/sys/kern/subr_kdb.c:535 > #6 0xffffffff8064c0bd in trap_fatal (frame=0xffffff80af3d57e0, eva=Variable "eva" is not available. > ) at /usr/src/sys/amd64/amd64/trap.c:852 > #7 0xffffffff8064cae9 in trap (frame=0xffffff80af3d57e0) at /usr/src/sys/amd64/amd64/trap.c:348 > #8 0xffffffff80633e13 in calltrap () at /usr/src/sys/amd64/amd64/exception.S:224 > #9 0xffffffff803db410 in callout_reset_on (c=0xffffff008520de78, to_ticks=1200000, ftn=0xffffffff8047add0 <arptimer>, arg=0xffffff008520de00, cpu=0) > at /usr/src/sys/kern/kern_timeout.c:603 > #10 0xffffffff8047bcbc in arpintr (m=0xffffff00041d8b00) at /usr/src/sys/netinet/if_ether.c:698 > #11 0xffffffff80473392 in netisr_dispatch_src (proto=7, source=Variable "source" is not available. > ) at /usr/src/sys/net/netisr.c:917 > #12 0xffffffff8046c4cc in firewire_input (ifp=0xffffff00016cf800, m=0xffffff00041d8b00, src=Variable "src" is not available. > ) at /usr/src/sys/net/if_fwsubr.c:630 > #13 0xffffffff802837c1 in fwip_stream_input (xferq=0xffffff80003592a0) at /usr/src/sys/dev/firewire/if_fwip.c:858 > #14 0xffffffff80281119 in fwohci_task_dma (arg=Variable "arg" is not available. > ) at /usr/src/sys/dev/firewire/fwohci.c:2247 > #15 0xffffffff80401891 in taskqueue_run (queue=0xffffff0003aa0380) at /usr/src/sys/kern/subr_taskqueue.c:239 > #16 0xffffffff80401a1f in taskqueue_thread_loop (arg=Variable "arg" is not available. > ) at /usr/src/sys/kern/subr_taskqueue.c:360 > #17 0xffffffff803a6692 in fork_exit (callout=0xffffffff804019e0 <taskqueue_thread_loop>, arg=0xffffff8000356898, frame=0xffffff80af3d5c80) > at /usr/src/sys/kern/kern_fork.c:843 > #18 0xffffffff806342ee in fork_trampoline () at /usr/src/sys/amd64/amd64/exception.S:561 > > Hrm ... fantastic! :( Looks like something is defnitely amiss in my changes. You may want to look through some of the history and start reverting things. I think that this is an endian issue. Is there any chance the linux box is 32 bit? Sean
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