Date: Sun, 12 Jul 2009 22:21:10 +0200 From: Oliver Pinter <oliver.pntr@gmail.com> To: "Robert N. M. Watson" <rwatson@freebsd.org> Cc: freebsd-stable@freebsd.org Subject: Re: smbfs panic when lost connection or unmount --force Message-ID: <6101e8c40907121321v3e307e06l27c318ed3956197@mail.gmail.com> In-Reply-To: <E68D3F39-5E26-43C3-A2A7-C0425B605309@freebsd.org> References: <6101e8c40907091755n5aefe289r6eec14cf7f4287dc@mail.gmail.com> <alpine.BSF.2.00.0907101209350.10745@fledge.watson.org> <6101e8c40907100517q2d2e5891m62b0b7d57496b10@mail.gmail.com> <E68D3F39-5E26-43C3-A2A7-C0425B605309@freebsd.org>
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On 7/12/09, Robert N. M. Watson <rwatson@freebsd.org> wrote: > > On 10 Jul 2009, at 13:17, Oliver Pinter wrote: > >> I know, that the bt is useful, but ddb works with usb keyboard? >> At nigth then I send the log. > > Unfortunately, a known issue with FreeBSD 8.0 is that the new USB > stack, while a vast improvement over the previous USB stack in > countless ways, does not support polled access from DDB. You will need > to use a serial port, firewire port, ps/2, or AT keyboard in order to > get interactive DDB support. > it worked with usb keyboard, the pictured and the last log is made with usb keyboard.. > If that's not feasible, or if it's just easier, you may be able to use > the DDB scripting facility + textdumps to run DDB commands > automatically on panic to produce useful debugging output. Take a look > at the textdump(4) man page for details. This can be combined with a > traditional crashdump to capture both DDB output and normal dump data > for use with kgdb. jeah, I readed the man (ddb and textdump), and I used a small script.. > > Robert > thanks for the help >> >> //sorry for bad english >> >> ps.: attached the config >> >> On 7/10/09, Robert Watson <rwatson@freebsd.org> wrote: >>> >>> On Fri, 10 Jul 2009, Oliver Pinter wrote: >>> >>>> It is a kernel panic, when force unmount the smbfs volume or lost >>>> the >>>> connection with the samba server. >>> >>> This is a NULL pointer dereference in the kernel. Per Attilio's e- >>> mail, a >>> stack trace should help us track it down. Thanks! >>> >>> Robert N M Watson >>> Computer Laboratory >>> University of Cambridge >>> >>>> >>>> -- >>>> Thes OS is: >>>> >>>> >>>> kern.ostype: FreeBSD >>>> kern.osrelease: 7.2-STABLE >>>> kern.osrevision: 199506 >>>> kern.version: FreeBSD 7.2-STABLE #4: Sat Jun 27 21:44:32 CEST 2009 >>>> root@oliverp:/usr/obj/usr/src/sys/stable >>>> kern.osreldate: 702103 >>>> >>>> -- >>>> make.conf: >>>> >>>> >>>> CPUTYPE?=core2 >>>> CFLAGS= -O2 -fno-strict-aliasing -pipe >>>> MODULES_OVERRIDE=smbfs libiconv libmchain zfs opensolaris drm cd9660 >>>> cd9660_iconv >>>> >>>> -- >>>> panic message: >>>> >>>> Jul 10 01:58:39 oliverp syslogd: kernel boot file is /boot/kernel/ >>>> kernel >>>> Jul 10 01:58:39 oliverp kernel: kernel trap 12 with interrupts >>>> disabled >>>> Jul 10 01:58:39 oliverp kernel: >>>> Jul 10 01:58:39 oliverp kernel: >>>> Jul 10 01:58:39 oliverp kernel: Fatal trap 12: page fault while in >>>> kernel >>>> mode >>>> Jul 10 01:58:39 oliverp kernel: cpuid = 2; apic id = 02 >>>> Jul 10 01:58:39 oliverp kernel: fault virtual address = 0x30 >>>> Jul 10 01:58:39 oliverp kernel: fault code = supervisor read data, >>>> page not present >>>> Jul 10 01:58:39 oliverp kernel: instruction pointer = >>>> 0x8:0xffffffff80327fd0 >>>> Jul 10 01:58:39 oliverp kernel: stack pointer = >>>> 0x10:0xffffff8078360940 >>>> Jul 10 01:58:39 oliverp kernel: frame pointer = >>>> 0x10:0xffffff0004c31390 >>>> Jul 10 01:58:39 oliverp kernel: code segment = base 0x0, limit >>>> 0xfffff, type 0x1b >>>> Jul 10 01:58:39 oliverp kernel: = DPL 0, pres 1, long 1, def32 0, >>>> gran 1 >>>> Jul 10 01:58:39 oliverp kernel: processor eflags = resume, IOPL = 0 >>>> Jul 10 01:58:39 oliverp kernel: current process = 60406 (smbiod0) >>>> Jul 10 01:58:39 oliverp kernel: trap number = 12 >>>> Jul 10 01:58:39 oliverp kernel: panic: page fault >>>> Jul 10 01:58:39 oliverp kernel: cpuid = 2 >>>> Jul 10 01:58:39 oliverp kernel: Uptime: 6h51m16s >>>> Jul 10 01:58:39 oliverp kernel: Physical memory: 4087 MB >>>> Jul 10 01:58:39 oliverp kernel: Dumping 2448 MB:Copyright (c) >>>> 1992-2009 The FreeBSD Project. >>>> _______________________________________________ >>>> freebsd-stable@freebsd.org mailing list >>>> http://lists.freebsd.org/mailman/listinfo/freebsd-stable >>>> To unsubscribe, send any mail to "freebsd-stable-unsubscribe@freebsd.org >>>> >>>> " >>>> >>> >> <kernel_conf.txt> > >
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