Date: Mon, 16 Oct 1995 09:27:05 -0700 From: David Greenman <davidg@Root.COM> To: Nathan Stratton <nathan@netrail.net> Cc: current@freebsd.org, et-users@netrail.net, freebsd-isp@netrail.net Subject: Re: crash Message-ID: <199510161627.JAA05537@corbin.Root.COM> In-Reply-To: Your message of "Mon, 16 Oct 95 12:10:11 EDT." <Pine.LNX.3.91.951016120548.3824A-100000@netrail.net>
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>I am using a 486 DX4 100 as a router, I have a T1 from sprint and a T1 >form mci connected to it. I also have two 10 meg ethernet cards. It is >running freebsd 2.0.5 and has about 31,000 routes in it's routing table. >Well my problem is every day or so it will crash. My T1 cards need to be >reset befoer they reboot so when the system reboots it just locks up >becaue the T1 cards were not reset. > >I changed my reboot command to reset the cards, so if I do a shutdown it >works great and resets my cards. But what it looks like when the system >crashes it does not run reboot. What does it run? How can I make my >system reset my T1 cards just after it crashes and befoer it reboots the >system? > >This is the stuff it put on my screen when it crashed. > >Fatal trap 12: page fault while in kernel mode >fault virtual address = 0x6d2039ca >fault code = supervisor read, page no present >instruction pointer = 0x8:0xf019ef8d >code segmnt = base 0x0, limit 0xfffff, tuype 0x1b > = DPL 0, pres 1, def32, gran 1 >processor eflags = interupt enabled, resume, IOPL = 0 >current process = Idle >interrupt mask = net tty >panic: page fault Would you send me a copy of your kernel config file, please? Also, could you do an 'nm /kernel | sort' and find the symbols around 0xf019ef8d and send this to me as well? Regarding resetting things: this should be done in the device driver. There is a driver shutdown hook that is called even when the system crashes, but better yet, the probe/attach in the driver should be fixed to reset the card properly so that this isn't an issue. -DG
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