RE: [Xen-ia64-devel] [PATCH] Fix freeing of privregs structure fordomVTi

[Alex Williamson <alex.williamson@xxxxxx>]

On Mon, 2007-01-15 at 21:49 +0900, Masaki Kanno wrote:
> Hi,
> 
> I made a patch to modify initialization of VCPU of dom0/domU. 

Hi Kan,

   I get softlockups in dom0 (like shown below) with this patch.  These
occur when running multiple domVTs and shutting them down at the same
time.  Could you please investigate?  Thanks,

        Alex

-- 
Alex Williamson                             HP Open Source & Linux Org.

BUG: soft lockup detected on CPU#0!
Modules linked in:

Pid: 3179, CPU 0, comm:              qemu-dm
psr : 00001410085a6010 ifs : 8000000000000006 ip  : [<a000000100068b02>]    Not 
tainted
ip is at __hypercall+0x2/0x20
unat: 0000000000000000 pfs : 8000000000000510 rsc : 000000000000000b
rnat: 0000000000000000 bsps: 0000000000000000 pr  : 0000000000695a9b
ldrs: 0000000000000000 ccv : 0000000000000000 fpsr: 0009804c8a70033f
csd : 0000000000000000 ssd : 0000000000000000
b0  : a00000010006a3f0 b6  : a00000010006a2c0 b7  : 0000000000000000
f6  : 000000000000000000000 f7  : 000000000000000000000
f8  : 000000000000000000000 f9  : 000000000000000000000
f10 : 000000000000000000000 f11 : 000000000000000000000
r1  : a00000010104ec60 r2  : 0000000000000030 r3  : f000000007c2fec8
r8  : 0000000000000000 r9  : a000000100e73228 r10 : 0000000000000000
r11 : 00000000008ea860 r12 : e0000004ab95fcb0 r13 : e0000004ab958000
r14 : 0000000000000000 r15 : 0000000000000000 r16 : 00000000008ea840
r17 : 000000000008ea84 r18 : 000000000008ea84 r19 : 0000000000000001
r20 : 0009804c8a70033f r21 : a000000100e75600 r22 : a000000201176858
r23 : ffffffffffffffff r24 : 00000000000b0000 r25 : e0000004ae8a3650
r26 : 8000000000000510 r27 : 000000000000000b r28 : a000000100068b00
r29 : 00001412085a6010 r30 : 8000000000000006 r31 : 0000000000695a9b

Call Trace:
 [<a00000010001cfe0>] show_stack+0x40/0xa0
                                sp=e0000004ab95f910 bsp=e0000004ab959608
 [<a00000010001d8e0>] show_regs+0x840/0x880
                                sp=e0000004ab95fae0 bsp=e0000004ab9595a8
 [<a0000001000d7f70>] softlockup_tick+0x130/0x160
                                sp=e0000004ab95fae0 bsp=e0000004ab959578
 [<a0000001000a1ea0>] do_timer+0x9a0/0x9c0
                                sp=e0000004ab95fae0 bsp=e0000004ab959538
 [<a000000100042190>] timer_interrupt+0x1f0/0x380
                                sp=e0000004ab95fae0 bsp=e0000004ab9594f8
 [<a0000001000d8200>] handle_IRQ_event+0x160/0x240
                                sp=e0000004ab95fae0 bsp=e0000004ab9594b8
 [<a0000001000d8580>] __do_IRQ+0x2a0/0x3c0
                                sp=e0000004ab95fae0 bsp=e0000004ab959470
 [<a0000001006a2f60>] evtchn_do_upcall+0x1c0/0x320
                                sp=e0000004ab95fae0 bsp=e0000004ab9593d0
 [<a000000100068ea0>] xen_event_callback+0x380/0x3c0
                                sp=e0000004ab95fae0 bsp=e0000004ab9593d0


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