Bug 180129

Summary: Boot Xen0 need pci=noacpi as kernel paramter
Product: [Fedora] Fedora Reporter: You, Yongkang <yongkang.you>
Component: xenAssignee: Rik van Riel <riel>
Severity: medium Docs Contact:
Priority: medium    
Version: 5CC: katzj
Target Milestone: ---   
Target Release: ---   
Hardware: i686   
OS: Linux   
Fixed In Version: Doc Type: Bug Fix
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2006-02-06 03:47:32 EST Type: ---
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
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Description You, Yongkang 2006-02-06 03:43:23 EST
From Bugzilla Helper:
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Description of problem:
In order to boot up IA32 Xen0, I have to add pci=noacpi as the boot 
parameters of Xen0 kernel, or system will hang when initial PCI.

My test machine mainboard is Intel 915.
It can support x86 and x86-64 modes.
Its BIOS firmware ID is:

Its CPU is HT enabled. 
Processor serial: 0000-0F46-0000-0000-0000-0000

# cat /proc/cpuinfo
vendor_id       : GenuineIntel
cpu family      : 15
model           : 4
model name      : Genuine Intel(R) CPU 3.80GHz
stepping        : 6
cpu MHz         : 3793.088
cache size      : 2048 KB
fdiv_bug        : no
hlt_bug         : yes
f00f_bug        : no
coma_bug        : no
fpu             : yes
fpu_exception   : yes
cpuid level     : 5
wp              : yes
flags           : fpu tsc msr pae mce cx8 apic mtrr mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe nx lm constant_tsc pni monitor ds_cpl vmx est tm2 cid cx16 xtpr lahf_lm
bogomips        : 9490.72

Version-Release number of selected component (if applicable):

How reproducible:

Steps to Reproduce:
1. Install FC5-Test2
2. Install Xen RPMs
3. Reboot Machine and select to Xen.

Actual Results:  If not give extra pci=noacpi, xen0 boot will hang at initial PCI. And after give pci=noacpi, Xen0 can boot up.

Additional info:
Comment 1 Ignacio Vazquez-Abrams 2006-02-06 03:47:32 EST

*** This bug has been marked as a duplicate of 180126 ***