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Date:      Fri, 9 Aug 2002 21:51:25 -0500
From:      FreeBSD Mailing Lists <freebsd@mail13.webintl.com>
To:        FreeBSD-STABLE@FreeBSD.ORG
Subject:   Re: panics after upgrading to -STABLE Aug 9, 2002
Message-ID:  <0FAE6683-AC0C-11D6-A426-00039345F4BA@mail13.webintl.com>
In-Reply-To: <20020810014138.GA354@laptop.lambertfam.org>

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Could someone put the word out when this issue is fixed? This problem 
just hosed my web server after I forgot the prime directive: test on a 
non-critical machine.

Albert

On Friday, August 9, 2002, at 08:41  PM, Scott Lambert wrote:

> I've been getting regular panics today after CVSuping and following the
> UPDATING procedure.  I think all of the panics are happening as various
> network apps are tearing down their connections.  I've had it trap while
> in the kernel on the behalf of fetchmail, ppp, and nfsd (when I kill 
> -9'd
> nfsd to try to make sure I wouldn't panic during a buildkernel, and 
> during
> a shutdown.).
>
> This happened with both my LAPTOP kernel and the GENERIC kernel.
>
> Last kernel built before today :
> Aug  9 11:55:25 laptop /kernel: FreeBSD 4.6-STABLE #25: Mon Aug  5 
> 18:37:34 EDT 2002
> Aug  9 11:55:25 laptop /kernel: 
> root@laptop.lambertfam.org:/usr/obj/usr/src/sys/LAPTOP
>
> Kernel with problems :
> Aug  9 15:39:09 laptop /kernel: FreeBSD 4.6-STABLE #26: Fri Aug  9 
> 14:56:21 EDT 2002
> Aug  9 15:39:09 laptop /kernel: 
> root@laptop.lambertfam.org:/usr/obj/usr/src/sys/LAPTOP
>
> And I am now running a kernel, LAPTOP, built after cvsuping with
> date=2002.08.09.00.00.00
>
> I have survived a shutdown -r with this kernel and have now checked my
> mail several times.  On the basis of that, :-), I'm going to claim that
> this kernel is ok.
>
> I suspect that the tcpip related changes today are to blame for my 
> problems.
>
> This is what happened on the first reload to the new kernel:
>
> Aug  9 15:39:19 laptop /kernel: Linux ELF exec handler installed
> Aug  9 15:42:26 laptop /kernel:
> Aug  9 15:42:26 laptop /kernel:
> Aug  9 15:42:26 laptop /kernel: Fatal trap 12: page fault while in 
> kernel mode
> Aug  9 15:42:26 laptop /kernel: fault virtual address   = 0x0
> Aug  9 15:42:26 laptop /kernel: fault code              = supervisor 
> read, page not present
> Aug  9 15:42:26 laptop /kernel: instruction pointer     = 0x8:0xc0181804
> Aug  9 15:42:26 laptop /kernel: stack pointer           = 
> 0x10:0xc028d808
> Aug  9 15:42:26 laptop /kernel: frame pointer           = 
> 0x10:0xc028d810
> Aug  9 15:42:26 laptop /kernel: code segment            = base 0x0, 
> limit 0xfffff, type 0x1b
> Aug  9 15:42:26 laptop /kernel: = DPL 0, pres 1, def32 1, gran 1
> Aug  9 15:42:26 laptop /kernel: processor eflags        = interrupt 
> enabled, resume, IOPL = 0
> Aug  9 15:42:26 laptop /kernel: current process         = Idle
> Aug  9 15:42:26 laptop /kernel: interrupt mask          = net
> Aug  9 15:42:26 laptop /kernel: trap number             = 12
> Aug  9 15:42:26 laptop /kernel: panic: page fault
> Aug  9 15:42:26 laptop /kernel:
> Aug  9 15:42:26 laptop /kernel: syncing disks...
> Aug  9 15:42:26 laptop /kernel:
> Aug  9 15:42:26 laptop /kernel: Fatal trap 12: page fault while in 
> kernel mode
> Aug  9 15:42:26 laptop /kernel: fault virtual address   = 0x30
> Aug  9 15:42:26 laptop /kernel: fault code              = supervisor 
> read, page not present
> Aug  9 15:42:26 laptop /kernel: instruction pointer     = 0x8:0xc01e7cd4
> Aug  9 15:42:26 laptop /kernel: stack pointer           = 
> 0x10:0xc028d628
> Aug  9 15:42:26 laptop /kernel: frame pointer           = 
> 0x10:0xc028d630
> Aug  9 15:42:26 laptop /kernel: code segment            = base 0x0, 
> limit 0xfffff, type 0x1b
> Aug  9 15:42:26 laptop /kernel: = DPL 0, pres 1, def32 1, gran 1
> Aug  9 15:42:26 laptop /kernel: processor eflags        = interrupt 
> enabled, resume, IOPL = 0
> Aug  9 15:42:26 laptop /kernel: current process         = Idle
> Aug  9 15:42:26 laptop /kernel: interrupt mask          = net bio cam
> Aug  9 15:42:26 laptop /kernel: trap number             = 12
> Aug  9 15:42:26 laptop /kernel: panic: page fault
> Aug  9 15:42:26 laptop /kernel: Uptime: 30s
> Aug  9 15:42:26 laptop /kernel: Automatic reboot in 15 seconds - press 
> a key on the console to abort
> Aug  9 15:42:26 laptop /kernel: Rebooting...
>
> This is the last trap, with the GENERIC kernel, before I got the 
> 2002.08.09.00.00.00
> LAPTOP kernel built.
>
> Aug  9 21:00:17 laptop syslogd: exiting on signal 15
> Aug  9 21:03:16 laptop /kernel:
> Aug  9 21:03:16 laptop /kernel:
> Aug  9 21:03:16 laptop /kernel: Fatal trap 12: page fault while in 
> kernel mode
> Aug  9 21:03:16 laptop /kernel: fault virtual address   = 0x0
> Aug  9 21:03:16 laptop /kernel: fault code              = supervisor 
> read, page not present
> Aug  9 21:03:16 laptop /kernel: instruction pointer     = 0x8:0xc0204e38
> Aug  9 21:03:16 laptop /kernel: stack pointer           = 
> 0x10:0xdac1ad8c
> Aug  9 21:03:16 laptop /kernel: frame pointer           = 
> 0x10:0xdac1ad94
> Aug  9 21:03:16 laptop /kernel: code segment            = base 0x0, 
> limit 0xfffff, type 0x1b
> Aug  9 21:03:16 laptop /kernel: = DPL 0, pres 1, def32 1, gran 1
> Aug  9 21:03:16 laptop /kernel: processor eflags        = interrupt 
> enabled, resume, IOPL = 0
> Aug  9 21:03:16 laptop /kernel: current process         = 118 (nfsd)
> Aug  9 21:03:16 laptop /kernel: interrupt mask          = net tty
> Aug  9 21:03:16 laptop /kernel: trap number             = 12
> Aug  9 21:03:16 laptop /kernel: panic: page fault
> Aug  9 21:03:16 laptop /kernel:
> Aug  9 21:03:16 laptop /kernel: syncing disks... 7
> Aug  9 21:03:16 laptop /kernel: done
> Aug  9 21:03:16 laptop /kernel: Uptime: 15m24s
> Aug  9 21:03:16 laptop /kernel: Automatic reboot in 15 seconds - press 
> a key on the console to abort
> Aug  9 21:03:16 laptop /kernel: --> Press a key on the console to 
> reboot,
> Aug  9 21:03:16 laptop /kernel: --> or switch off the system now.
> Aug  9 21:03:16 laptop /kernel: Rebooting...
>
> Rather than copy and paste all of the dmesg and trap information into
> this message, I'm going to upload my messages logs to :
>
> http://www.lambertfam.org/~lambert/laptop/messages/
>
> This URL:
> http://www.lambertfam.org/~lambert/laptop/
>
> has all the gory details of the configuration of this system.
>
> The machine seems to be able to run as long as I want it to as long as I
> don't hit the network.  I have done three buildkernel with it while the
> bad kernels were on it.  Some network apps don't seem to bother it.  I
> was able to cvsup a couple of times.  First to see if I had cvsuped mid
> commit and secondly to back my tree up to midnight.
>
> --
> Scott Lambert                    KC5MLE                       Unix 
> SysAdmin
> lambert@lambertfam.org
>
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