kern/44464: linux emul panic while starting opera-11

[obata%lins.jp@localhost]

>Number:         44464
>Category:       kern
>Synopsis:       linux emul panic while starting opera-11
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    kern-bug-people
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Wed Jan 26 12:10:00 +0000 2011
>Originator:     OBATA Akio
>Release:        NetBSD-5.1
>Organization:
>Environment:
NetBSD vm3.lins.jp 5.1 NetBSD 5.1 (GENERIC) #2: Wed Jan 26 19:44:38 JST 2011  
obata%vm3.lins.jp@localhost:/usr/src/sys/arch/i386/compile/GENERIC i386
>Description:
I get a panic while starting opera-11.00.

uvm_fault(0xc0b805c0, 0xfffff000, 1) -> 0xe
fatal page fault in supervisor mode
trap type 6 code 0 eip c073f5f7 cs 8 eflags 10213 cr2 fffffff8 ilevel 0
panic: trap



(gdb) bt
#0  0xc058dda2 in cpu_reboot (howto=260, bootstr=0x0)
    at ../../../../arch/i386/i386/machdep.c:924
#1  0xc04cfbb0 in panic (fmt=0xc0a76526 "trap")
    at ../../../../kern/subr_prf.c:253
#2  0xc0590ae7 in trap (frame=0xcc687bd4)
    at ../../../../arch/i386/i386/trap.c:368
#3  0xc010cbe0 in calltrap ()
#4  0xc073f5f7 in linux_ioctl_socket (l=0x0, uap=0x0, retval=Cannot access 
memory at address 0x10
)
    at ../../../../compat/linux/common/linux_socket.c:1267
Previous frame inner to this frame (corrupt stack?)
(gdb) list *(0xc073f5f7)
0xc073f5f7 is in linux_ioctl_socket 
(../../../../compat/linux/common/linux_socket.c:1267).
1262                    SCARG(&ia, data) = SCARG(uap, data);
1263                    error = sys_ioctl(curlwp, &ia, retval);
1264            }
1265
1266            return error;
1267    }
1268
1269    int
1270    linux_sys_connect(struct lwp *l, const struct linux_sys_connect_args 
*uap, register_t *retval)
1271    {

>How-To-Repeat:
Install opeara-11.00 from pkgsrc/www/opera or pkgsrc-wip/opera.
Start opera on X.

>Fix: