[Xen-ia64-devel] [BUG]Dom0 panic if "dom0_mem" field is not explicitly set in elilo.conf

["Zhang, Xing Z" <xing.z.zhang@xxxxxxxxx>]

Hi All:
        I found in current changeset, if you don't explicitly set
"dom0_mem" field in elilo.conf then a kernel panic raises. Error info
showed below.
        I am not sure which changeset leads this bug, but CSET15410 is
fine. Did anyone meet this?


PID hash table entries: 4096 (order: 12, 32768 bytes)
Console: colour VGA+ 80x25
Kernel panic - not syncing: Failed to setup Xen contiguous region
 <1>Unable to handle kernel NULL pointer dereference (address
0000000000000000)
swapper[0]: Oops 11012296146944 [1]
Modules linked in:

Pid: 0, CPU 0, comm:              swapper
psr : 00001210084a2010 ifs : 8000000000000389 ip  : [<a0000001001300d1>]
Not
tainted
ip is at kmem_cache_alloc+0x131/0x2e0
unat: 0000000000000000 pfs : 4000000000000793 rsc : 0000000000000007
rnat: 0000000000000000 bsps: 0000000000000000 pr  : 0000000000005989
ldrs: 0000000000000000 ccv : 0000000000000000 fpsr: 0009804c8a70433f
csd : 0000000000000000 ssd : 0000000000000000
b0  : a00000010004a2c0 b6  : a00000010004b0a0 b7  : a000000100014d70
f6  : 1003e5b51e7d1b1a1644c f7  : 1003e9e3779b97f4a7c16
f8  : 1003e0a00000010003c32 f9  : 1003e000000000000007f
f10 : 1003e0000000000000379 f11 : 1003e6db6db6db6db6db7
r1  : a000000101146090 r2  : 0000000000000001 r3  : fffffffffff00001
r8  : fffffffffff04c18 r9  : 0000000000000000 r10 : 0000000000000001
r11 : 0000000000000000 r12 : a000000100d0f6a0 r13 : a000000100d08000
r14 : 0000000000000001 r15 : fffffffffff00001 r16 : 0000000000000000
r17 : 0000000012000000 r18 : a000000100d08018 r19 : a000000100d0f72c
r20 : a000000100d0f728 r21 : 0000000000000000 r22 : 0000000000000000
r23 : a000000100d08f24 r24 : a00000010003c300 r25 : a000000100000000
r26 : a000000100d93aa0 r27 : a000000100f47600 r28 : a000000100d8dff0
r29 : a000000100d8dfe0 r30 : 00000000000001eb r31 : 000000000003c340

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