>Number:         30153
>Category:       port-xen
>Synopsis:       Panic in domU when running a pkgsrc bulk build
>Confidential:   no
>Severity:       serious
>Priority:       high
>Responsible:    port-xen-maintainer
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Fri May 06 11:17:00 +0000 2005
>Originator:     Juan RP
>Release:        NetBSD 3.99.3
>Organization:
>Environment:
System: NetBSD Nocturno 3.99.3 NetBSD 3.99.3 (Nocturno) #23: Fri May 6 00:35:27 CEST 2005 juan@Nocturno:/home/juan/build/obj/sys/arch/i386/compile/Nocturno i386
Architecture: i386
Machine: i386
>Description:

	One domU just crashed when running a pkgsrc bulk build
	(60% completed):

panic: HYPERVISOR_mmu_update failed

Stopped in pid 27247.1 (gcc) at netbsd:cpu_Debugger+0x4:        leave
cpu_Debugger(c033a025,caecfa78,cbedceec,6,1) at netbsd:cpu_Debugger+0x4
panic(c033a940,c04d6cc0,0,0,0) at netbsd:panic+0x12e
xpq_flush_queue(0,3,22,c08c0900,2) at netbsd:xpq_flush_queue+0x4a
xennet_rx_push_buffer(c099e000,17,c08c0500,c08c0500,c08c0900) at netbsd:xennet_r
x_push_buffer+0x9f
xennet_rx_mbuf_free(c08c0900,caa1a000,42,c099ef80,0) at netbsd:xennet_rx_mbuf_fr
ee+0x2e
m_freem(c08c0900,1d0,caa1a022,14,20) at netbsd:m_freem+0x10c
tcp_input(c08c0900,14,6,ca1be7b0,caecfc94) at netbsd:tcp_input+0x10cf
ip_input(c08c0900,fffffffc,0,0,c0100b13) at netbsd:ip_input+0x572
ipintr(fffffffe,20,4,0,caecfd04) at netbsd:ipintr+0xad
DDB lost frame for netbsd:Xsoftnet+0x4f, trying 0xcaecfcc4
Xsoftnet() at netbsd:Xsoftnet+0x4f
--- interrupt ---
linux_sys_tz(0,cc9c37ec,0,0,400) at 0xffffffff
Stopped in pid 27247.1 (gcc) at netbsd:cpu_Debugger+0x4:        leave
db>

>How-To-Repeat:
>Fix: