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Re: [Xen-devel] Re: 2.6.26-rc8 pv_ops causes Unhandled invalid opcode fault/trap

Jeremy Fitzhardinge a écrit :
Guillaume Rousse wrote:
Jeremy Fitzhardinge a écrit :
Guillaume Rousse wrote:
Jeremy Fitzhardinge a écrit :
FWIW, I just tried 2.6.26-rc1 and it booted fine. I can narrow it down further if that'd be useful to you.

Yes, please.
Was there any final conclusion there ? Because I'm currently trying a with the same kind of issue:

I don't know of any outstanding bugs which cause this kind of symptom. What's happening on the Linux side when the domain crashes this way?
Immediate crash, without further information.

I've opened a but report on mandriva bugzilla:

Does earlyprintk=xen reveal anything more? What does the rip (ffffffff8020b3ed) map to in the kernel?
I guess earlyprintk=xen is a dom0 option, because passing it to domU didn't change anything. The given adress map to set_page_prot, according to the System.map file.

BTW, it only happens with ISCSI-stored hosts, whereas it works OK with LVM-stored hosts (tough on slightly different hardware). On other hosts, the guest kernel boots OK, and then fails to mount underlying FS (but that's a different issue). I updated upstream report with details.
Guillaume Rousse
Service des Moyens Informatiques
INRIA Saclay - Ile de France
Tel: 01 69 35 69 62

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