FreeBSD 8.1-RELEASE-p1 #11 i386 DomU fault in kernel at _mtx_lock_sleep()

[Yuriy Kohut]

Hi,

Just got fault in kernel while running 'make' in the port /usr/ports/lang/ghc:
----
Fatal trap 12: page fault while in kernel mode
cpuid = 0; apic id = 00
fault virtual address	= 0x1a4
fault code		= supervisor read, page not present
instruction pointer	= 0x21:0xc00cbe2f
stack pointer	        = 0x29:0xc3db09e0
frame pointer	        = 0x29:0xc3db09f8
code segment		= base 0x0, limit 0xf9800, type 0x1b
			= DPL 1, pres 1, def32 1, gran 1
processor eflags	= interrupt enabled, resume, IOPL = 0
current process		= 19207 (sendmail)
[thread pid 19207 tid 100049 ]
Stopped at      _mtx_lock_sleep+0x3f:   movl    0x1a4(%ecx),%eax


db> where
Tracing pid 19207 tid 100049 td 0xc41e8c80
_mtx_lock_sleep(c079d808,c41e8c80,0,0,0,...) at _mtx_lock_sleep+0x3f
netisr_clearqdrops(c3db0a34,0,c4368700,c3db0a50,c018f210,...) at netisr_clearqdrops+0x34e
netisr_queue_src(1,0,c4368700,c3db0a78,c018a5a6,...) at netisr_queue_src+0x38
netisr_queue(1,c4368700,c3db0b04,c3db0b0c,c3db0a8c,...) at netisr_queue+0x20
if_simloop(c3f6b400,c4368700,2,0,c01a77df,...) at if_simloop+0xe6
looutput(c3f6b400,c4368700,c3db0b0c,c3db0b04,c3db0ac8,...) at looutput+0x121
ip_output(c4368700,0,0,0,0,...) at ip_output+0x98e
tcp_output(c42a39e0,c3f6ac70,c3db0c30,c00c8853,c42a39e0,...) at tcp_output+0x14bf
tcp_ctloutput(c41b6338,c3f6ac70,c41e8c80,c41b6338,c3db0c70,...) at tcp_ctloutput+0x2233
soconnect(c41b6338,c3f6ac70,c41e8c80,bf7fae70,c3f6ac70,...) at soconnect+0x52
kern_connect(c41e8c80,6,c3f6ac70,c3f6ac70,0,...) at kern_connect+0xa6
connect(c41e8c80,c3db0d08,c0324244,c3db0020,16,...) at connect+0x46
syscall(c3db0d48) at syscall+0x2d3
Xint0x80_syscall() at Xint0x80_syscall+0x22
--- syscall (98, FreeBSD ELF32, connect), eip = 0x283bd0cb, esp = 0xbf7fad0c, ebp = 0xbf7faf38 ---
----


DomU details
FreeBSD 8.1-RELEASE-p1 #11
kernel config: /usr/src/sys/XEN i386
xen config:
----
kernel = "/var/lib/xen/images/kernel.FDvzVcWQzfgX"
memory = "1504"
name = "FDvzVcWQzfgX"
vcpus = "1"
vid = "7"

vif = [ 'mac=00:16:3e:bf:2e:2e, bridge=xenbr0, ip=0.0.0.0, vifname=FDvzVcWQzfgX, rate=0Mb/s' ]
disk = [ 'phy:/dev/iscsi_0_7,sda,w', 'phy:/dev/iscsi_0_127,sdb,w' ]

extra = "boot_verbose=1"
extra += ",vfs.root.mountfrom=ufs:/dev/da0"
extra += ",kern.hz=100"----


Dom0 details
CentOS release 5.4 (Final)
Linux hv9-a-chi.vps.net 2.6.18-164.15.1.el5xen #1 SMP Wed Mar 17 12:04:23 EDT 2010 x86_64 x86_64 x86_64 GNU/Linux
xen-3.0.3-94.el5_4.3


Appreciate any assistance.
Thanks
---
Yura