similar to: Memory sharing

Hi, I''m trying to run guest pv vm on my machine running xen-unstable (xen-4.0.0-rc3.pre + linux-2.6-pvops). However, I get blktap error: " sudo xm create -c xmexample Using config file "./xmexample". Error: Failed to create device. stdout: unrecognized child response stderr: Check that target "/home/ashish/xen/hd.img" exists and that blktap2 driver

Hi, I''ve been testing Xen 4.0.1 with kernel 2.6.34.5 + http://gentoo-xen-kernel.googlecode.com/files/xen-patches-2.6.34-4.tar.bz2, and one of the things that I noticed immediately is there are two problems with tapdisk and this combination. First, the syntax "disk = [''tap:tapdisk:aio: ..." no longer works. When tested with HVM domU, it boots, but there was no disk

Changes: tools/blktap: remove unneeded pointer dereferencing in convert_dev_name_to_num tools/blktap: constify string arrays in convert_dev_name_to_num tools/blktap: fix params and physical-device parsing tools/blktap: remove unneeded pointer dereferencing from img2qcow.c tools/blktap: remove unneeded pointer dereferencing from qcow2raw.c tools/blktap2: fix build errors caused by Werror in

I''m getting this message (subject line) in daemon.log every time I start or restart xend. I''m not sure if this is related to the fact that I cannot boot up my Windows domU from a VHD file. The Windows domU was working fine with Xen 4.0.0 (with 2.6.32.14 dom0 kernel). When I upgraded to Xen 4.0.1-rc4 (with 2.6.32.16 dom0 kernel), I can no long boot the Windows domU from VHD. The

The following patches shave some rough edges off the tools build system to allow cross compiling for at least arm32 and arm64 based on the Debian/Ubuntu multiarch infrastructure. They also add the necessary fixes to build for arm64 (which I have only tried cross, not native). I have posted some instructions on how to compile with these patches on the wiki:

Get blktap2 running on pvops. This mainly adds eventfd support to the userland code. Based on some prior cleanup to tapdisk-queue and the server object. We had most of that in XenServer for a while, so I kept it stacked. 1. Clean up IPC and AIO init in tapdisk-server. [I think tapdisk-ipc in blktap2 is basically obsolete. Pending a later patch to remove it?] 2. Split tapdisk-queue into

This patch series copies the core of the tapdisk process from blktap2, with updates coming from blktap2.5. Signed-off-by: Thanos Makatos <thanos.makatos@citrix.com>

Hello, I''m currently trying to understand some problems I had in the past with mixing look-back with blktap(2) for HV and PV domains. I''m stuck reading the source code, so I''d like to get some help from the list. Interrupt me if I got something fundamentally wrong in my understanding so far: 1. With pure-HV the domU gets an emulated IDE (or whatever) disk. The

I''m newbie Xen-4.1.1 I''m trying to boot DomU with the following configuration. Sometime DomU boot, but sometime boot failed I''m not sure what is the problem. I can attach that image with tap-ctl on Dom0. Does anybody advice me about this problem?? Sincerely * Environment OS : Scientific Linux 6.1 x86_64 Kernel : 2.6.32.43

> # HG changeset patch > # User Olaf Hering <olaf@aepfle.de> > # Date 1332942876 -7200 > # Node ID d0fe664fca8a7e7db8b46b2f6c267acc88fa9c78 > # Parent 4bd752a4cdf323c41c50f8cd6286f566d67adeae > tools/memshr: fix build errors caused by Werror > > -O2 -Wall -Werror triggers these warnings: > > cc1: warnings being treated as errors > interface.c: In function

blktap2: fix makefile of vhd for parallel make With parallel make, libvhd might not be created before link resulting in link error. This patch guarantees it. Signed-off-by: Isaku Yamahata <yamahata@valinux.co.jp> diff --git a/tools/blktap2/vhd/Makefile b/tools/blktap2/vhd/Makefile --- a/tools/blktap2/vhd/Makefile +++ b/tools/blktap2/vhd/Makefile @@ -12,6 +12,9 @@ CFLAGS +=

Hi, When I do the "make install-tools" with xen-4.2-unstable, there are some errors about "warn_unused_result". Is it the error in code or the error in the compiling environment? Thank you so much. gcc -O1 -fno-omit-frame-pointer -m64 -g -fno-strict-aliasing -std=gnu99 -Wall -Wstrict-prototypes -Wdeclaration-after-statement -D__XEN_TOOLS__ -MMD -MF .tapdisk-queue.o.d

Distro: debian unstable Xen version: 4.0.0-2 This is the config: #HVM #still no qemu-dm in debian #kernel = "/usr/lib/xen-4.0/boot/hvmloader" #builder = ''hvm'' #memory = 2048 #name = "webserver" #vif = [''bridge=eth0''] #disk = [''tap:tapdisk:aio:/srv/xen/webserver.img,xvda,w'',''phy:/dev/cdrom,xvdb:cdrom,r'']

Hello, I just started writing a wiki page about blktap2. It''s here: http://wiki.xensource.com/xenwiki/blktap2 I need more information about blktap2.. I''m not very familiar with it myself. I can update the wiki then. -- Pasi _______________________________________________ Xen-devel mailing list Xen-devel@lists.xensource.com http://lists.xensource.com/xen-devel

Hello, I just started writing a wiki page about blktap2. It''s here: http://wiki.xensource.com/xenwiki/blktap2 I need more information about blktap2.. I''m not very familiar with it myself. I can update the wiki then. -- Pasi _______________________________________________ Xen-devel mailing list Xen-devel@lists.xensource.com http://lists.xensource.com/xen-devel

Guys, I'm trying to compile the Xen 4.0.0 via debian/rules makefile but I got this: administrativo at sid01:~/xen/xen-4/xen-4.0.0$ make -f debian/rules build-tools ..... make -C lib all make[7]: Entering directory `/home/administrativo/xen/xen-4/xen-4.0.0/debian/build/build-tools/tools/blktap2/vhd/lib' make[7]: Nothing to be done for `all'. make[7]: Leaving directory

# HG changeset patch # User Tim Deegan <tim@xen.org> # Date 1333621466 -3600 # Node ID 4b6bf18b6790e3713ddc4fdc1d63e54b4635c57b # Parent d690c7e896a26c54a5ab85458824059de72d5cba tools/blktap2: fix ''make clean'' Signed-off-by: Tim Deegan <tim@xen.org> diff -r d690c7e896a2 -r 4b6bf18b6790 tools/blktap2/lvm/Makefile --- a/tools/blktap2/lvm/Makefile Thu Apr 05 11:06:03

Folks, The tag 4.0.1-rc3 has been added to http://xenbits.xensource.com/xen-4.0-testing.hg Please test! -- Keir _______________________________________________ Xen-devel mailing list Xen-devel@lists.xensource.com http://lists.xensource.com/xen-devel

Hi,  I''m currently stuck with creating VM which cannot boot with disk using blktap2 driver. I''ve been searching nearly a whole week and I couldn''t get a answer. When creating vm with blktap2, it keep shows a error:   libxl: debug: libxl_device.c:200:disk_try_backend: Disk vdev=xvda, backend tap unsuitable because blktap not available.  VM configuration (XML):

I''m currently working on moving storage services into their own domain and I''ve been looking at blktap2. I''ve been trying to get an image mounted with blktap2 and for some odd reason and tapdisk2 keeps hanging instead of quitting at the end. I haven''t removed any of the storage startup code at this point so everything should be as it normally is in xen-unstable.