Date: Fri, 14 May 2004 00:49:33 +0400 From: Roman Kurakin <rik@cronyx.ru> To: Divacky Roman <xdivac02@stud.fit.vutbr.cz> Cc: current@freebsd.org Subject: Re: current crashes Message-ID: <40A3DF5D.1000706@cronyx.ru> In-Reply-To: <20040513193551.GA68772@stud.fit.vutbr.cz> References: <20040513192325.GA68088@stud.fit.vutbr.cz> <20040513193551.GA68772@stud.fit.vutbr.cz>
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If this happends regulary, try to no use all unnecessary modules to check
if this caused by one of them. If I have a problem, I always start to unplug
devices one by one to see which one may be a cause. Any way you should
enable kernel debugger and instead of panics you will fall in to gdb.
rik
Divacky Roman пишет:
>It crashed again... but with different message - I experienced at least
>5 crashes today!
>
>witten ~# gdb -k /boot/kernel/kernel /var/crash/vmcore.0
>GNU gdb 5.2.1 (FreeBSD)
>Copyright 2002 Free Software Foundation, Inc.
>GDB is free software, covered by the GNU General Public License, and you
>are
>welcome to change it and/or distribute copies of it under certain
>conditions.
>Type "show copying" to see the conditions.
>There is absolutely no warranty for GDB. Type "show warranty" for
>details.
>This GDB was configured as "i386-undermydesk-freebsd"...
>(no debugging symbols found)...
>panic: double fault
>panic messages:
>---
>panic: double fault
>at line 844 in file /usr/src/sys/i386/i386/trap.c
>Debugger("panic")
>Dumping 63 MB
> 16 32 48
>---
>Reading symbols from /boot/kernel/snd_mss.ko...(no debugging symbols
>found)...
>done.
>Loaded symbols for /boot/kernel/snd_mss.ko
>Reading symbols from /boot/kernel/snd_pcm.ko...(no debugging symbols
>found)...
>done.
>Loaded symbols for /boot/kernel/snd_pcm.ko
>Reading symbols from /boot/kernel/acpi.ko...(no debugging symbols
>found)...
>done.
>Loaded symbols for /boot/kernel/acpi.ko
>Reading symbols from
>/usr/obj/usr/src/sys/NEOLOGISM/modules/usr/src/sys/modules/
>usb/usb.ko...(no debugging symbols found)...done.
>Loaded symbols for
>/usr/obj/usr/src/sys/NEOLOGISM/modules/usr/src/sys/modules/us
>b/usb.ko
>#0 0xc04add4b in doadump ()
>(kgdb) bt
>#0 0xc04add4b in doadump ()
>#1 0xc04299c5 in db_fncall ()
>#2 0xc0429702 in db_command ()
>#3 0xc0429855 in db_command_loop ()
>#4 0xc042ca05 in db_trap ()
>#5 0xc05fbddc in kdb_trap ()
>#6 0xc060c52c in trap ()
>#7 0xc05fc094 in Debugger ()
>#8 0xc04ae715 in __panic ()
>#9 0xc060cc50 in syscall ()
>(kgdb)
>
>
>is this usefull?
>
>roman
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