Re: Panic on 8-STABLE in pfctl with options VIMAGE on a DELL PowerEdge R300 (bge)

[Onur Bektas]

Hi,

I had the same problem, I have updated the source tree and recompile the 
kernel  but the problem is  still unresolved..
pf + vimage = "kernel crash" problem was also reported as a bug..

http://www.freebsd.org/cgi/query-pr.cgi?pr=143808&cat=

Regards,

Onur.


On 2/26/2010 8:18 PM, Lorenzo Perone wrote:

Hello,

Just encountered a panic when starting pf (/etc/rc.d/pf start) on a 
FreeBSD benjamin 8.0-STABLE

uname -a

FreeBSD 8.0-STABLE #0: Fri Feb 26 18:33:44 UTC 2010 
r...@benjamin:/usr/obj/usr/src/sys/BYTESATWORK_R8_INTEL_DEBUG  amd64

the system is a Dell PowerEdge R300 with bge interfaces, 16 GB RAM 
(dmesg attached).

Panic and trace remote console screenshots:

http://lorenzo.yellowspace.net/R300_pfctl_panic.gif
http://lorenzo.yellowspace.net/R300_pfctl_panic_trace.gif

Excerpt transcript:

panic:

Fatal trap 12: page fault while in kernel mode
current process = 1302
Stopped at pfil_head_get+0x41 movq 0x28(%rcx),%rdx

trace:

pfil_head_get() at pfil_head_get+0x41
pfioctl() at pfioctl+0x3351
devfs_ioctl_f() at devfs_ioctl_f+0x71
kern_ioctl() at kern_ioctl+0xe4
ioctl() at ioctl+0xed
syscall() at syscall+0x1e7
Xfast_syscall() at Xfast_syscall+0xe1

While I was just planning to experiment with VIMAGE, and it is not 
required for production (I'm aware of the message of it being 
experimental...), I thought it might be useful to report it. Please 
send me a note if I should file a pr.

The panic does not occur with the same kernel compiled without options 
VIMAGE.

Note that the dmesg is from the system booted with the kernel without 
VIMAGE, that's why it doesn't contain the warning.

big Regards to all the team,

Lorenzo

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Onur BEKTAS
Sistem Yöneticisi / System Administrator
TÜBITAK ULAKBIM

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