Latest news is, I can setup up xenstore page successfully, with initial
xenbus devices probe passed now. (The communication channel should be OK
then.) Then watch_thread panic when receiving frontend_change event.
Still debug...
Thanks,
Kevin
>-----Original Message-----
>From: xen-ia64-devel-bounces@xxxxxxxxxxxxxxxxxxx
>[mailto:xen-ia64-devel-bounces@xxxxxxxxxxxxxxxxxxx] On Behalf Of Tian,
>Kevin
>Sent: Wednesday, August 31, 2005 9:08 AM
>To: John Byrne
>Cc: xen-ia64-devel@xxxxxxxxxxxxxxxxxxx
>Subject: RE: [Xen-ia64-devel] Community effort needed tocatch
>upwithxen-unstable
>
>>From: John Byrne [mailto:john.l.byrne@xxxxxx]
>>
>>Tian, Kevin wrote:
>>>>From: John Byrne [mailto:john.l.byrne@xxxxxx]
>>>>
>>>>Tian, Kevin wrote:
>>>>
>>>>>OK, attached is the set of patches by far. Based on them, now I can
>>>>>enable grant table and also a small xenstore test in dom0 succeeds.
>>>>>However the root device still can't be located:
>>>>>
>>>>
>>>>From your xeno patch:
>>>>
>>>>+#define virt_to_mfn(v) (__pa(v) >> PAGE_SIZE)
>>>>+#define mfn_to_virt(m) (__va(m << PAGE_SIZE))
>>>>
>>>>PAGE_SIZE should be PAGE_SHIFT, shouldn't it?
>>>>
>>>>John Byrne
>>>>
>>>>
>>>
>>> Exactly right, John. I sent out a bit stale patch, and I've already
>>> fixed these two incautious lines locally. But due to no obvious fix
>>> after that (Still struggling with xenbus communication), I'm lazy to
>>> send out. ;-) Hopefully today I'll push out one latest patch, since
>I've
>>> found an obvious bug when xenbus initialization (IPF specific).
>>>
>>> Thanks,
>>> Kevin
>>>
>>
>>I know some of the answer to the xenbus problem, I think. The problem
>is
>>that the store_evtchn is not getting set. This requires everal
changes:
>>xc_linux_build needs to set it, it needs to be added to the
>>arch_shared_info_t, ... I think I'm close.
>>
>>John
>
>Ha, glad to see that we're progressing same direction.
>
>Thanks,
>Kevin
>
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