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Hi: I''ve met an ext4 Bug in dom0 kernel 2.6.32.36. (See kernel stack below) 32.36 kernel commit: http://git.kernel.org/?p=linux/kernel/git/jeremy/xen.git;a=commit;h=ae333e97552c81ab10395ad1ffc6d6daaadb144a The bug only show up in our cluster environments which includes 300 physical machines, one server will run into this bug per day. Running ontop of every server, there are about 30

Hi: Recently I have some study on linux container(lxc), which is a light weight OS level virtualization. With the previous knowledge of tapdisk, I have an assumption that, I may could use the vhd for each container to seperate the storage of all containers, or even in later days, vhd is stored in distributed storage, container could be migrated. Build filesystem on tapdev

Hi Michael: Sorry to brother. But I''ve been suffered this issue quite a long time. My test environment is 2.6.32.36 + xen 4.0.1 + bnx2, 2.3. Also cpu idle is disabled in grub. Grub info: title Red Hat Enterprise Linux Server (2.6.32.36xen) kernel /xen-4.0.1.gz iommu=off x2apic=off console=com1,vga com1=115200,8n1 noreboot cpuidle=0 cpufreq=none

This fixes a bug in changeset 22526:7a5ee3800417, where the wrong value is read when deciding whether to flush the VTd tables. The effect is minor: in situations where the p2m entry is changed but the mfn is the same, the VTd tables will be unnecessarily flushed. old_entry is left untouched in the second case, since having a present old_entry will cause the an unnecessary check to be taken at

Hi: I''ve confronted one of my HVM domain frequently crash due to qemu-dm quit abnormally. Xend.log [2011-05-18 14:32:44 24651 1301875008] INFO (XendDomain:1259) Domain 322-2.vhd (2645) unpaused. [2011-05-18 14:38:26 24651 1201162560] WARNING (image:552) domain 322-2.vhd: device model failure: pid 8637: died due to signal 7; see /var/log/xen/qemu-dm-322-2.vhd.log [2011-05-18

Hi: I''ve been thought this for a while, I want to build 1000 linux containeres in a HVM, and each container owns 1 block device, so there will 1000 tapdev and 1000 tapdisk process. My question is 1. How many devices domU support? 2. How many tapdev device blktap2 support? 3, Would it be a performance issue in this case? 4. Basically, I want

Hi sahil: I think the reason why you cannot get page shared is due to the gref you got. Gref is responsible for a page allocated from domU, in my understanding it should not be 0, that is a gref 0 can not be shared, that''s why I skip gref 0 to be nominated. The gref is nominated to Xen and later used to find a corrspond MFN, so it shall not always be the same.

Hi James. I go through the patch, since all its changes happens inside __xen_evtchn_do_upcall(), so I apply the patch into my 2.6.31.kernel by manual. (I was failed to merge a usable, 2.6.38dom0, since quite a lot branch needed, such as blkback, netback) But still, the blue screen shows up. Log attached. Is the timeout better than before? Beside, I think I need find some to examine my