search for: ahiremath

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2008 Aug 21
2
doubt on releasing domain pages
Hi, I am trying to release domU pages from page_list and xenpage_list after domU shutdown while retaining the rest of the domain information. To achieve this in __domain_finalise_shutdown i call domain_relinquish_resources. This is failing to release pages from page_list for type PGT_l2_page_tables and crashing dom0. To be specific, while testing on mini-os i saw that when
2008 Jul 02
3
Unable to switch input to xen from serial console
Hi all, When i do ''xm dmesg'' the last statement says "*** Serial input -> DOM0 (type ''CTRL-a'' three times to switch input to Xen)" (i have no clue what''s that supposed to mean??) But when i press ctrl-a three times at the serial console, nothing happens. Iam using minicom to connect to the serial port of xen machine. Once xen
2008 Oct 08
7
How to debug Xen and Dom0 driver?
hi, I am wondering if anybody is doing Xen or Dom0 debugging with gdb here. If yes, could you show me the procedure of doing that? Thanks, Neo -- I would remember that if researchers were not ambitious probably today we haven''t the technology we are using! _______________________________________________ Xen-devel mailing list Xen-devel@lists.xensource.com
2008 Jul 24
1
doubt on phys_to_machine_mapping
Hi all, Can some one tell me where phys_to_machine_mapping is being initialized for a domU having paging mode set to PG_translate. I see that, populate_physmap() after calling __alloc_xen_heap_pages only updates the machine_to_physmap but how is the mfn for the allocated page being updated/set for phys_to_machine_mapping?? I see that phys_to_machine_mapping is a #defined to RO_MPT_VIRT_START
2008 Jul 31
0
xend crashing due to change in virt_kend value...??
Hi all, All of a sudden my xend is crashing, when i do "xm create domu" due to which the domains are created in paused state. Iam using minios as domU kernel, but the problem occurs even for linux-2.6.18.1 pv kernel as domu kernel. xend.log shows [2008-07-31 03:00:54 14821] CRITICAL (SrvDaemon:231) Xend died due to signal 11! Restarting it.... after doing some preliminary
2008 May 24
2
Use of XEN_GUEST_HANDLE
Hi all, I have recently started to go through xen source. I want to know the usage of XEN_GUEST_HANDLE. I see thats its just a macro which will prefix each data type with __guest_handle_ . And DEFINE_XEN_GUEST_HANDLE(name) will just typedefs ''__guest_handle_name'' to be a pointer to a data type ''name '' . What is the reason for such abstraction? And how
2008 Jun 16
8
Vcpu allocation for a newly created domU
Hi all, I am having confusion regarding the way a newly created domain is allocated vcpu. Initially during dom0 creation alloc_vcpu is called to create vcpu structs for all the available cpu''s and assigned to dom0. But its not the case for domU creation. 1. So how will dom0 relinquish/share vcpu to/with a newly created domU. Does this happen as part of the shared_info page mapping??