search for: xen_blktap

When I submitted the qcow2 patch for blktap, suggestions came up that the qemu block drivers should be used also for blktap to eliminate the current code duplication in ioemu and blktap. The attached patch adds support for a tap:ioemu pseudo driver. Devices using this driver won''t use tapdisk (containing the code duplication) any more, but will connect to the qemu-dm of the domain. In

...15 17:08:41.342047187 +0100 ++++ xen/qemu/hw/xen_machine_pv.c 2013-08-15 17:08:41.334047168 +0100 +@@ -29,7 +29,7 @@ + #include "xen_backend.h" + #include "qemu-xen.h" + +-#ifndef CONFIG_STUBDOM ++#if defined(CONFIG_BLKTAP1) && !defined(CONFIG_STUBDOM) + #include <hw/xen_blktap.h> + #endif + +@@ -47,7 +47,7 @@ + CPUState *env; + uint32_t domid_target; + +-#if !defined(CONFIG_STUBDOM) && !defined(__NetBSD__) ++#if defined(CONFIG_BLKTAP1) && !defined(CONFIG_STUBDOM) && !defined(__NetBSD__) + /* Initialize tapdisk client */ + init...

...tion not supported RTNETLINK answers: Operation not supported __END__ qemu-dm-finnix.log __START__ domid: 1 Warning: vlan 0 is not connected to host network -videoram option does not work with cirrus vga device model. Videoram set to 4M. /home/sam/build/xen/src/xen-4.1.2/tools/ioemu-qemu-xen/hw/xen_blktap.c:628: Init blktap pipes /home/sam/build/xen/src/xen-4.1.2/tools/ioemu-qemu-xen/hw/xen_blktap.c:603: Created /var/run/tap directory Could not open /var/run/tap/qemu-read-1 char device redirected to /dev/pts/2 xs_read(): target get error. /local/domain/1/target. (qemu) (qemu) __END__ qemu-dm-domut...

.../qemu-dm-prxy3.log.1 domid: 15 config qemu network with xen bridge for tap15.0 br0 Watching /local/domain/0/device-model/15/logdirty/cmd Watching /local/domain/0/device-model/15/command qemu_map_cache_init nr_buckets = 10000 size 4194304 /usr/src/packages/BUILD/xen-4.0.0-testing/tools/ioemu-dir/hw/xen_blktap.c:715: Init blktap pipes shared page at pfn feffd buffered io page at pfn feffb Guest uuid = 3b2ac74f-2845-17f5-70da-ac85c19d63df Time offset set -198 populating video RAM at ff000000 mapping video RAM from ff000000 Register xen platform. Done register platform. platform_fixed_ioport: changed ro/rw...

...t:/var/log/xen# cat qemu-dm-router-dm.log domid: 2 Warning: vlan 0 is not connected to host network Watching /local/domain/0/device-model/2/logdirty/next-active Watching /local/domain/0/device-model/2/command char device redirected to /dev/pts/2 /usr/local/src/xen-3.4-testing.hg/tools/ioemu-dir/hw/xen_blktap.c:628: Init blktap pipes bind() failed <<-- This was also the last line in the log when using Xen-3.4.2 AND localhost:~/XENSTORE/router# xm info host : localhost.site release : 2.6.33-xen version : #2 SMP Sat Mar 6 15:26:37 EST 2010 machi...

...t:/var/log/xen# cat qemu-dm-router-dm.log domid: 2 Warning: vlan 0 is not connected to host network Watching /local/domain/0/device-model/2/logdirty/next-active Watching /local/domain/0/device-model/2/command char device redirected to /dev/pts/2 /usr/local/src/xen-3.4-testing.hg/tools/ioemu-dir/hw/xen_blktap.c:628: Init blktap pipes bind() failed <<-- This was also the last line in the log when using Xen-3.4.2 AND localhost:~/XENSTORE/router# xm info host : localhost.site release : 2.6.33-xen version : #2 SMP Sat Mar 6 15:26:37 EST 2010 machi...

...d: 6 Warning: vlan 0 is not connected to host network qemu: ignoring not-understood drive `sda2'' Watching /local/domain/0/device-model/6/logdirty/next-active Watching /local/domain/0/device-model/6/command char device redirected to /dev/pts/4 /usr/src/xen-3.4-testing.hg/tools/ioemu-dir/hw/xen_blktap.c:628: Init blktap pipes xs_read(): vncpasswd get error. /vm/fb477f56-bb98-c144-54a4-74dd4379b094/vncpasswd. Also  dom0 file /var/log/messages contains Sep 14 14:37:10 HPCNL-SR-2 logger: /etc/xen/scripts/vif-bridge: iptables setup failed. This may affect guest networking. Is there any iptable iss...

...d: 6 Warning: vlan 0 is not connected to host network qemu: ignoring not-understood drive `sda2'' Watching /local/domain/0/device-model/6/logdirty/next-active Watching /local/domain/0/device-model/6/command char device redirected to /dev/pts/4 /usr/src/xen-3.4-testing.hg/tools/ioemu-dir/hw/xen_blktap.c:628: Init blktap pipes xs_read(): vncpasswd get error. /vm/fb477f56-bb98-c144-54a4-74dd4379b094/vncpasswd. Also  dom0 file /var/log/messages contains Sep 14 14:37:10 HPCNL-SR-2 logger: /etc/xen/scripts/vif-bridge: iptables setup failed. This may affect guest networking. Is there any iptable iss...

Hi Is there anyone who has successfully resolved the low throughput problem in Guest communication. I am using Xen3.4.1 with PV os kernel 2.6.30-rc6-tip On fedora11. While running netperf benchmark on guests throughput results are very low DomU to DomU    0.29 Mbps Why is it so? What would be the problem. Is there any issue with fc11 platform? Regards, Fasiha Ashraf Add whatever you love

...g version 161 [ 0.415803] dracut: Starting plymouth daemon ___________________ cat qemu-dm-vm1.log domid: 5 Warning: vlan 0 is not connected to host network -videoram option does not work with cirrus vga device model. Videoram set to 4M. /home/mike/Downloads/xen-4.1.1/tools/ioemu-qemu-xen/hw/xen_blktap.c:628: Init blktap pipes Could not open /var/run/tap/qemu-read-5 char device redirected to /dev/pts/2 xs_read(): target get error. /local/domain/5/target. (qemu) (qemu) This is the only thing I found but it doesn''t make sense to me. I didn''t setup a vif in the vm config becau...

Hi, I have taken the long and winding road and indeed it lead me to your door. I need your help, please. My Xen includes 2 guests. Xen itself (10.2.0.52) gets free access to the outside world and to its guests. Both guests however (10.2.0.54/10.2.0.55) see each other but stay under house arrest! Not a single ping manages to go past the bridge (xenbr0) and get an answer from the default gateway

...ing file /etc/xen/myimages/caitlin/disk0.raw in read-write mode Watching /local/domain/0/device-model/2/logdirty/cmd Watching /local/domain/0/device-model/2/command char device redirected to /dev/pts/1 char device redirected to /dev/pts/2 /usr/src/packages/BUILD/xen-4.0.1-testing/tools/ioemu-dir/hw/xen_blktap.c:700: Init blktap pipes xs_read(): vncpasswd get error. /vm/86207a57-273e-09cf-a79c-dc2854ad8553/vncpasswd. Log-dirty: no command yet. == xend.log (excerpt) == [2011-01-30 12:45:21 3430] DEBUG (XendDomainInfo:103) XendDomainInfo.create([''vm'', [''name'', '...