Date: Sun, 16 Aug 2009 16:59:36 +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: <6101e8c40908160759w6ba32493jac233be83d23f2b9@mail.gmail.com> In-Reply-To: <6101e8c40907121321v3e307e06l27c318ed3956197@mail.gmail.com> 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> <6101e8c40907121321v3e307e06l27c318ed3956197@mail.gmail.com>
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hi! Have you any sequel in this error / bug? On 7/12/09, Oliver Pinter <oliver.pntr@gmail.com> wrote: > 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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