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xen-devel
Re: [Xen-devel] [XSM:ACM] When cw is used, dom0 reboots.
This is a null dereference bug in ACM. I've just posted a patch to
Xen-devel.
George
On Tue, 2007-09-25 at 12:02 +0900, Syunsuke HAYASHI wrote:
> Hi ,
>
> When cw is used, dom0 reboots.
> Though I set quest memory size.
>
> I want to study into the cause.
> Please teach how to examine it.
>
>
>
>
> #xm create vm1.conf <-- OK
> #xm create vm4.conf <-- NO
> ................... <-- system boot
>
> #last
> root pts/1 myPC Tue Sep 25 11:25 - crash (09:01)
> reboot system boot 2.6.18-xen Tue Sep 25 20:06 (-8:-16)
> ~~~~~~~~~~~
>
>
> ---------------about my setting--------------------
> Xen-api is effective.
>
>
> #cat vm1.conf
> kernel = "/boot/vmlinuz-2.6.18-xen"
> ramdisk = "/boot/initrd-2.6.18-xenU.img"
> memory = "128"
> ~~~~
> name = "vm1"
> disk = [ 'file:/xen/vm1.img,sda1,w' ]
> vif = [ '' ]
> root = "/dev/sda1 ro"
> on_xend_stop = "suspend"
> extra = "3 xencons=tty"
> access_control = ['policy=example.client_v1,label=dom_HomeBanking']
>
> #cat vm4.conf
> kernel = "/boot/vmlinuz-2.6.18-xen"
> ramdisk = "/boot/initrd-2.6.18-xenU.img"
> memory = "128"
> ~~~~~
> name = "vm4"
> disk = [ 'file:/xen/vm4.img,sda1,w']
> vif = [ '' ]
> root = "/dev/sda1 ro"
> on_xend_stop = "suspend"
> extra = "3"
> access_control = ['policy=example.client_v1,label=dom_Fun']
>
>
> #xm dumppolicy
> Policy dump:
> ============
> POLICY REFERENCE = example.client_v1.
> PolicyVer = 0.
> XML Vers. = 1.0
> Magic = 1debc.
> Len = 198.
> Primary = CHINESE WALL (c=1, off=40).
> Secondary = SIMPLE TYPE ENFORCEMENT (c=2, off=b8).
>
>
> Chinese Wall policy:
> ====================
> Policy version= 0.
> Max Types = 4.
> Max Ssidrefs = 7.
> Max ConfSets = 1.
> Ssidrefs Off = 24.
> Conflicts Off = 5c.
> Runing T. Off = 64.
> C. Agg. Off = 6c.
>
> SSID To CHWALL-Type matrix:
>
> ssidref 0: 00 00 00 00
> ssidref 1: 00 00 00 01 <-- Domain-0
> ssidref 2: 00 01 00 00
> ssidref 3: 01 00 00 00
> ssidref 4: 00 00 01 00
> ssidref 5: 00 00 00 01
> ssidref 6: 00 00 00 01
>
> Confict Sets:
>
> c-set 0: 01 00 01 00
>
> Running
> Types: 00 00 00 01
>
> Conflict
> Aggregate Set: 00 00 00 00
>
>
> Simple Type Enforcement policy:
> ===============================
> Policy version= 0.
> Max Types = 6.
> Max Ssidrefs = 11.
> Ssidrefs Off = 14.
>
> SSID To STE-Type matrix:
>
> ssidref 0: 00 00 00 00 00 00
> ssidref 1: 01 01 01 01 01 01 <-- Domain-0
> ssidref 2: 01 00 00 00 00 00
> ssidref 3: 00 01 00 00 00 00
> ssidref 4: 00 00 00 00 01 00
> ssidref 5: 01 01 01 00 01 00
> ssidref 6: 00 01 00 01 01 00
> ssidref 7: 00 00 01 00 00 00
> ssidref 8: 00 00 00 00 00 01
> ssidref 9: 00 00 00 01 00 00
> ssidref a: 00 00 00 00 01 00
> ssidref b: 00 01 00 00 00 00
> ssidref c: 00 00 00 00 01 00
> ssidref d: 00 00 00 00 01 00
> ssidref e: 00 01 00 00 00 00
> ssidref f: 00 00 00 00 00 01
> ssidref10: 00 00 00 00 01 00
>
> Thanks,
>
> Syunsuke Hayashi.
>
>
> _______________________________________________
> Xen-devel mailing list
> Xen-devel@xxxxxxxxxxxxxxxxxxx
> http://lists.xensource.com/xen-devel
--
George S. Coker, II <gscoker@xxxxxxxxxxxxxx> 443-479-6944
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