Description of problem: Launch a rhel7.0|rhel6.3 guest with qcow image(use either qcow-create or img2qcow) will lead to can't found filesystem error(image either using lvm or without lvm), but system startup normally with the original raw image. Same problem will not arise if i install the OS directly on qcow image, OS can boot up normally with the qcow image. These problem won't arise on rhel6.2 x86_64 HVM, i have tried. Version-Release number of selected component (if applicable): Host : RHEL5.9 2.6.18-336.el5xen Guest : RHEL7.0(3.3.0-0.20.el7.x86_64) & RHEL6.3(2.6.32-279.el6.x86_64)HVM Xen : xen-3.0.3-140.el5 (qcow-create img2qcow) Dracut: dracut-018-65.git20120612.el7.noarch (rhel7.0) dracut-004-283.el6.noarch (rhel6.3) dracut-004-256.el6.noarch (rhel6.2) How reproducible: 100% Steps to Reproduce: Scenario 1: 1. Fetch a prepared rhel raw image from nfs(using lvm+loopback) 2. Create qcow image base on the raw image qcow-create 10000 [ qcow_image ] [ raw_image ] 3. Launch guest domain with the qcow image Scenario 2: 1. Fetch a prepared rhel raw image from nfs(using lvm+blktap) 2. Create qcow image base on the raw image qcow-create 10000 [ qcow_image ] [ raw_image ] 3. Launch guest domain with the qcow image Scenario 3: 1. Fetch a prepared rhel raw image from nfs(using lvm+loopback) 2. Create qcow image base on the raw image img2qcow [ qcow_image ] [ raw_image ] 3. Launch guest domain with the qcow image Scenario 4: 1. Do a fresh rhel6.3 installation using raw image(without lvm) 2. Create qcow image base on the raw image qcow-create 10000 [ qcow_image ] [ raw_image ] 3. Launch guest domain with the qcow image Scenario 5(in this case things work as we expect): 1. Create qcow image base on the raw image qcow-create -r 10000 [ qcow_image ] 2. Do a fresh rhel6.3 installation using qcow image(with lvm+loopback) 3. Launch guest domain with the qcow image Actual results: filesystem can't be mounted normally ********* RHEL7.0 boot up error snapshot(Scenario 1): ********* [ 42.102651] dracut Warning: Unable to process initqueue dracut Warning: Unable to process initqueue Cannot open font file True dracut Warning: Unable to process initqueue [ 42.144646] dracut Warning: /dev/mapper/vg_rhel7-lv_root does not exist dracu[ 42.154944] dracut Warning: /dev/vg_rhel7/lv_root does not exist t Warning: /d[ 42.164725] dracut Warning: /dev/vg_rhel7/lv_swap does not exist ev/mapper/vg_rhel7-lv_root does not exist dracut Warning: /dev/vg_rhel7/lv_root does not exist dracut Warning: /dev/vg_rhel7/lv_swap does not exist Dropping to debug shell. dracut:/# ********* RHEL6.3 boot up error snapshot(Scenario 1): ********* ata2: PATA max MWDMA2 cmd 0x170 ctl 0x376 bmdma 0xc008 irq 15 input: ImExPS/2 Generic Explorer Mouse as /devices/platform/i8042/serio1/input/input2 xlblk_init: register_blkdev major: 202 blkfront: xvda: barriers disabled xvda: unknown partition table dracut Warning: No root device "block:/dev/mapper/vg_dhcp8202-lv_root" found dracut Warning: LVM vg_dhcp8202/lv_root not found dracut Warning: LVM vg_dhcp8202/lv_swap not found dracut Warning: Boot has failed. To debug this issue add "rdshell" to the kernel command line. dracut Warning: Signal caught! dracut Warning: LVM vg_dhcp8202/lv_root not found dracut Warning: LVM vg_dhcp8202/lv_swap not found dracut Warning: Boot has failed. To debug this issue add "rdshell" to the kernel command line. Kernel panic - not syncing: Attempted to kill init! Pid: 1, comm: init Not tainted 2.6.32-279.el6.x86_64 #1 Call Trace: [<ffffffff814fd11a>] ? panic+0xa0/0x168 [<ffffffff81070bd2>] ? do_exit+0x862/0x870 [<ffffffff8117ca75>] ? fput+0x25/0x30 [<ffffffff81070c38>] ? do_group_exit+0x58/0xd0 [<ffffffff81070cc7>] ? sys_exit_group+0x17/0x20 [<ffffffff8100b0f2>] ? system_call_fastpath+0x16/0x1b ********* RHEL6.3 boot up error snapshot(Scenario 2): ********* udevd[116]: worker [191] failed while handling '/devices/vbd-768' udevd[116]: worker [171] unexpectedly returned with status 0x0100 udevd[116]: worker [171] failed while handl ing '/dserial8250: too much work for irq4 evices/platform/Fixed MDIO bus.0' udevd[116]: worker [164] unexpectedly returned with status 0x0100 udevd[116]: worker [164] failed while handling '/devices/platform/i8042/serio1/input/input2' udevd[116]: worker [221] unexpectedly returned with status 0x0100 udevd[116]: worker [221] failed while handling '/devices/virtual/dmi/id' 120s...115s...110s...105s...100s... dracut Warning: No root device "block:/dev/mapper/vg_dhcp8202-lv_root" found udevd[116]: worker [191] unexpectedly returned with status 0x0100 udevd[116]: worker [191] failed while handling '/devices/vbd-768' udevd[116]: worker [171] unexpectedly returned with status 0x0100 udevd[116]: worker [171] failed while haserial8250: too much work for irq4 ndling '/devices/platform/Fixed MDIO bus.0' udevd[116]: worker [164] unexpectedly returned with status 0x0100 udevd[116]: worker [164] failed while handling '/devices/platform/i8042/serio1/input/input2' udevd[116]: worker [221] unexpectedlyserial8250: too much work for irq4 returned with status 0x0100 udevd[116]: worker [221] failed while handling '/devices/virtual/dmi/id' dracut Warning: LVM vg_dhcp8202/lv_root not found dracut Warning: LVM vg_dhcp8202/lv_swap not found dracut Warning: Boot has failed. To debug this issue add "rdshell" to the kernel command line. dracut Warning: Signal caught! dracut Warning: LVM vg_dhcp8202/lv_root not found dracut Warning: LVM vg_dhcp8202/lv_swap not found dracut Warning: Boot has failed. To debug this issue add "rdshell" to the kernel command line. Kernel panic - not syncing: Attempted to kill init! Pid: 1, comm: init Not tainted 2.6.32-279.el6.x86_64 #1 Call Trace: [<ffffffff814fd11a>] ? panic+0xa0/0x168 [<ffffffff81070bd2>] ? do_exit+0x862/0x870 [<ffffffff8117ca75>] ? fput+0x25/0x30 [<ffffffff81070c38>] ? do_group_exit+0x58/0xd0 [<ffffffff81070cc7>] ? sys_exit_group+0x17/0x20 [<ffffffff8100b0f2>] ? system_call_fastpath+0x16/0x1b ********* RHEL6.3 boot up error snapshot(Scenario 4): ********* ata2.00: configured for MWDMA2 ata2: EH complete ata2.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x6 frozen ata2.00: BMDMA stat 0x5 sr 1:0:0:0: [sr0] CDB: Inquiry: 12 00 00 00 fe 00 ata2.00: cmd a0/01:00:00:fe:00/00:00:00:00:00/a0 tag 0 dma 16640 in res 48/00:02:00:24:00/00:00:00:00:00/a0 Emask 0x2 (HSM violation) ata2.00: status: { DRDY DRQ } ata2: soft resetting link ata2.00: configured for MWDMA2 ata2: EH complete dracut Warning: No root device "block:/dev/disk/by-uuid/208c81eb-5acb-4ae2-830f-1e50e3b6c8b0" found dracut Warning: Boot has failed. To debug this issue add "rdshell" to the kernel command line. dracut Warning: Signal caught! dracut Warning: Boot has failed. To debug this issue add "rdshell" to the kernel command line. Kernel panic - not syncing: Attempted to kill init! Pid: 1, comm: init Not tainted 2.6.32-279.el6.x86_64 #1 Call Trace: [<ffffffff814fd11a>] ? panic+0xa0/0x168 [<ffffffff81070bd2>] ? do_exit+0x862/0x870 [<ffffffff8117ca75>] ? fput+0x25/0x30 [<ffffffff81070c38>] ? do_group_exit+0x58/0xd0 [<ffffffff81070cc7>] ? sys_exit_group+0x17/0x20 [<ffffffff8100b0f2>] ? system_call_fastpath+0x16/0x1b
This request was evaluated by Red Hat Product Management for inclusion in a Red Hat Enterprise Linux release. Product Management has requested further review of this request by Red Hat Engineering, for potential inclusion in a Red Hat Enterprise Linux release for currently deployed products. This request is not yet committed for inclusion in a release.
Testing shows that this problem is reproducible even with 6.2. Testing images uses different configuration - 6.2 has xen_emul_unplug=never and 6.3 uses xen_emul_unplug=ide-disks. When using pv-on-hvm drivers with emulated drivers unplugged, block drive does not find the disk so system fail with no hard disk.
Can you attach the Xen domain configuration file (either the XML for libvirt, or the one for xm)?
Any standard config file works, I'm reproducing the problem with this xen config: name = "bz849895_3" uuid = "22e45cd6-8bdd-61e5-7679-d3e1e8a7afd1" maxmem = 1024 memory = 1024 vcpus = 2 builder = "hvm" kernel = "/usr/lib/xen/boot/hvmloader" boot = "c" pae = 1 acpi = 1 apic = 1 localtime = 0 on_poweroff = "destroy" on_reboot = "restart" on_crash = "preserve" device_model = "/usr/lib64/xen/bin/qemu-dm" sdl = 0 vnc = 1 vncunused = 1 keymap = "en-us" disk = [ "file:/var/lib/xen/images/lws/bz849896/RHEL-Server-6.2-64-hvm2.qcow,hda,w", ",hdc:cdrom,r" ] vif = [ "mac=00:16:3e:6c:e3:0c,bridge=virbr0,script=vif-bridge" ] parallel = "none" serial = "pty" Important part is disk configuration. There's 4 possible settings: 1] file:/var/lib/xen/images/lws/bz849896/RHEL-Server-6.2-64-hvm2.qcow,hda,w 2] file:/var/lib/xen/images/lws/bz849896/RHEL-Server-6.2-64-hvm2.qcow,xvda,w 3] tap:qcow:/var/lib/xen/images/lws/bz849896/RHEL-Server-6.2-64-hvm2.qcow,hda,w 4] tap:qcow:/var/lib/xen/images/lws/bz849896/RHEL-Server-6.2-64-hvm2.qcow,xvda,w I've got following results: 1 & 2 - Lot's of ata errors and crash 3 & 4 - XENBUS: Waiting for devices to initialize error with countdown, since 100s ata errors, and than crash Error Output (option 2): xlblk_init: register_blkdev major: 202 blkfront: xvda: barriers disabled vbd vbd-5632: 19 xenbus_dev_probe on device/vbd/5632 xvda: unknown partition table ata2.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x6 frozen ata2.00: BMDMA stat 0x5 sr 1:0:0:0: CDB: Mode Sense(10): 5a 00 2a 00 00 00 00 00 80 00 ata2.00: cmd a0/01:00:00:80:00/00:00:00:00:00/a0 tag 0 dma 16512 in res 48/20:02:00:1c:00/00:00:00:00:00/a0 Emask 0x2 (HSM violation) ata2.00: status: { DRDY DRQ } ata2: soft resetting link ata2.00: configured for MWDMA2 ata2: EH complete sr0: scsi-1 drive Uniform CD-ROM driver Revision: 3.20 ata2.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x6 frozen ata2.00: BMDMA stat 0x5 sr 1:0:0:0: [sr0] CDB: Inquiry: 12 00 00 00 fe 00 ata2.00: cmd a0/01:00:00:fe:00/00:00:00:00:00/a0 tag 0 dma 16640 in res 48/20:02:00:24:00/00:00:00:00:00/a0 Emask 0x2 (HSM violation) ata2.00: status: { DRDY DRQ } ata2: soft resetting link ata2.00: configured for MWDMA2 ata2: EH complete ata2.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x6 frozen ata2.00: BMDMA stat 0x5 sr 1:0:0:0: [sr0] CDB: Inquiry: 12 00 00 00 fe 00 ata2.00: cmd a0/01:00:00:fe:00/00:00:00:00:00/a0 tag 0 dma 16640 in res 48/20:02:00:24:00/00:00:00:00:00/a0 Emask 0x2 (HSM violation) ata2.00: status: { DRDY DRQ } ata2: soft resetting link ata2.00: configured for MWDMA2 ata2: EH complete ata2.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x6 frozen ata2.00: BMDMA stat 0x5 sr 1:0:0:0: [sr0] CDB: Inquiry: 12 00 00 00 fe 00 ata2.00: cmd a0/01:00:00:fe:00/00:00:00:00:00/a0 tag 0 dma 16640 in res 48/20:02:00:24:00/00:00:00:00:00/a0 Emask 0x2 (HSM violation) ata2.00: status: { DRDY DRQ } ata2: soft resetting link ata2.00: configured for MWDMA2 ata2: EH complete ata2.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x6 frozen ata2.00: BMDMA stat 0x5 sr 1:0:0:0: [sr0] CDB: Inquiry: 12 00 00 00 fe 00 ata2.00: cmd a0/01:00:00:fe:00/00:00:00:00:00/a0 tag 0 dma 16640 in res 48/20:02:00:24:00/00:00:00:00:00/a0 Emask 0x2 (HSM violation) ata2.00: status: { DRDY DRQ } ata2: soft resetting link ata2.00: configured for MWDMA2 ata2: EH complete ata2.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x6 frozen ata2.00: BMDMA stat 0x5 sr 1:0:0:0: [sr0] CDB: Inquiry: 12 00 00 00 fe 00 ata2.00: cmd a0/01:00:00:fe:00/00:00:00:00:00/a0 tag 0 dma 16640 in res 48/20:02:00:24:00/00:00:00:00:00/a0 Emask 0x2 (HSM violation) ata2.00: status: { DRDY DRQ } ata2: soft resetting link ata2.00: configured for MWDMA2 ata2: EH complete ata2.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x6 frozen ata2.00: BMDMA stat 0x5 sr 1:0:0:0: [sr0] CDB: Inquiry: 12 00 00 00 fe 00 ata2.00: cmd a0/01:00:00:fe:00/00:00:00:00:00/a0 tag 0 dma 16640 in res 48/20:02:00:24:00/00:00:00:00:00/a0 Emask 0x2 (HSM violation) ata2.00: status: { DRDY DRQ } ata2: soft resetting link ata2.00: configured for MWDMA2 ata2: EH complete ata2.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x6 frozen ata2.00: BMDMA stat 0x5 sr 1:0:0:0: [sr0] CDB: Inquiry: 12 00 00 00 fe 00 ata2.00: cmd a0/01:00:00:fe:00/00:00:00:00:00/a0 tag 0 dma 16640 in res 48/20:02:00:24:00/00:00:00:00:00/a0 Emask 0x2 (HSM violation) ata2.00: status: { DRDY DRQ } ata2: soft resetting link ata2.00: configured for MWDMA2 ata2: EH complete ata2.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x6 frozen ata2.00: BMDMA stat 0x5 sr 1:0:0:0: [sr0] CDB: Inquiry: 12 00 00 00 fe 00 ata2.00: cmd a0/01:00:00:fe:00/00:00:00:00:00/a0 tag 0 dma 16640 in res 48/20:02:00:24:00/00:00:00:00:00/a0 Emask 0x2 (HSM violation) ata2.00: status: { DRDY DRQ } ata2: soft resetting link ata2.00: configured for MWDMA2 ata2: EH complete ata2.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x6 frozen ata2.00: BMDMA stat 0x5 sr 1:0:0:0: [sr0] CDB: Inquiry: 12 00 00 00 fe 00 ata2.00: cmd a0/01:00:00:fe:00/00:00:00:00:00/a0 tag 0 dma 16640 in res 48/20:02:00:24:00/00:00:00:00:00/a0 Emask 0x2 (HSM violation) ata2.00: status: { DRDY DRQ } ata2: soft resetting link ata2.00: configured for MWDMA2 ata2: EH complete ata2.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x6 frozen ata2.00: BMDMA stat 0x5 sr 1:0:0:0: [sr0] CDB: Inquiry: 12 00 00 00 fe 00 ata2.00: cmd a0/01:00:00:fe:00/00:00:00:00:00/a0 tag 0 dma 16640 in res 48/20:02:00:24:00/00:00:00:00:00/a0 Emask 0x2 (HSM violation) ata2.00: status: { DRDY DRQ } ata2: soft resetting link ata2.00: configured for MWDMA2 ata2: EH complete ata2.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x6 frozen ata2.00: BMDMA stat 0x5 sr 1:0:0:0: [sr0] CDB: Inquiry: 12 00 00 00 fe 00 ata2.00: cmd a0/01:00:00:fe:00/00:00:00:00:00/a0 tag 0 dma 16640 in res 48/20:02:00:24:00/00:00:00:00:00/a0 Emask 0x2 (HSM violation) ata2.00: status: { DRDY DRQ } ata2: soft resetting link ata2.00: configured for MWDMA2 ata2: EH complete ata2.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x6 frozen ata2.00: BMDMA stat 0x5 sr 1:0:0:0: [sr0] CDB: Inquiry: 12 00 00 00 fe 00 ata2.00: cmd a0/01:00:00:fe:00/00:00:00:00:00/a0 tag 0 dma 16640 in res 48/20:02:00:24:00/00:00:00:00:00/a0 Emask 0x2 (HSM violation) ata2.00: status: { DRDY DRQ } ata2: soft resetting link ata2.00: configured for MWDMA2 ata2: EH complete ata2.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x6 frozen ata2.00: BMDMA stat 0x5 sr 1:0:0:0: [sr0] CDB: Inquiry: 12 00 00 00 fe 00 ata2.00: cmd a0/01:00:00:fe:00/00:00:00:00:00/a0 tag 0 dma 16640 in res 48/20:02:00:24:00/00:00:00:00:00/a0 Emask 0x2 (HSM violation) ata2.00: status: { DRDY DRQ } ata2: soft resetting link ata2.00: configured for MWDMA2 ata2: EH complete ata2.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x6 frozen ata2.00: BMDMA stat 0x5 sr 1:0:0:0: [sr0] CDB: Inquiry: 12 00 00 00 fe 00 ata2.00: cmd a0/01:00:00:fe:00/00:00:00:00:00/a0 tag 0 dma 16640 in res 48/20:02:00:24:00/00:00:00:00:00/a0 Emask 0x2 (HSM violation) ata2.00: status: { DRDY DRQ } ata2: soft resetting link ata2.00: configured for MWDMA2 ata2: EH complete ata2.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x6 frozen ata2.00: BMDMA stat 0x5 sr 1:0:0:0: [sr0] CDB: Inquiry: 12 00 00 00 fe 00 ata2.00: cmd a0/01:00:00:fe:00/00:00:00:00:00/a0 tag 0 dma 16640 in res 48/20:02:00:24:00/00:00:00:00:00/a0 Emask 0x2 (HSM violation) ata2.00: status: { DRDY DRQ } ata2: soft resetting link ata2.00: configured for MWDMA2 ata2: EH complete ata2.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x6 frozen ata2.00: BMDMA stat 0x5 sr 1:0:0:0: [sr0] CDB: Inquiry: 12 00 00 00 fe 00 ata2.00: cmd a0/01:00:00:fe:00/00:00:00:00:00/a0 tag 0 dma 16640 in res 48/20:02:00:24:00/00:00:00:00:00/a0 Emask 0x2 (HSM violation) ata2.00: status: { DRDY DRQ } ata2: soft resetting link ata2.00: configured for MWDMA2 ata2: EH complete ata2.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x6 frozen ata2.00: BMDMA stat 0x5 sr 1:0:0:0: [sr0] CDB: Inquiry: 12 00 00 00 fe 00 ata2.00: cmd a0/01:00:00:fe:00/00:00:00:00:00/a0 tag 0 dma 16640 in res 48/20:02:00:24:00/00:00:00:00:00/a0 Emask 0x2 (HSM violation) ata2.00: status: { DRDY DRQ } ata2: soft resetting link ata2.00: configured for MWDMA2 ata2: EH complete ata2.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x6 frozen ata2.00: BMDMA stat 0x5 sr 1:0:0:0: [sr0] CDB: Inquiry: 12 00 00 00 fe 00 ata2.00: cmd a0/01:00:00:fe:00/00:00:00:00:00/a0 tag 0 dma 16640 in res 48/20:02:00:24:00/00:00:00:00:00/a0 Emask 0x2 (HSM violation) ata2.00: status: { DRDY DRQ } ata2: soft resetting link ata2.00: configured for MWDMA2 ata2: EH complete ata2.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x6 frozen ata2.00: BMDMA stat 0x5 sr 1:0:0:0: [sr0] CDB: Inquiry: 12 00 00 00 fe 00 ata2.00: cmd a0/01:00:00:fe:00/00:00:00:00:00/a0 tag 0 dma 16640 in res 48/20:02:00:24:00/00:00:00:00:00/a0 Emask 0x2 (HSM violation) ata2.00: status: { DRDY DRQ } ata2: soft resetting link ata2.00: configured for MWDMA2 ata2: EH complete ata2.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x6 frozen ata2.00: BMDMA stat 0x5 sr 1:0:0:0: [sr0] CDB: Inquiry: 12 00 00 00 fe 00 ata2.00: cmd a0/01:00:00:fe:00/00:00:00:00:00/a0 tag 0 dma 16640 in res 48/20:02:00:24:00/00:00:00:00:00/a0 Emask 0x2 (HSM violation) ata2.00: status: { DRDY DRQ } ata2: soft resetting link ata2.00: configured for MWDMA2 ata2: EH complete ata2.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x6 frozen ata2.00: BMDMA stat 0x5 sr 1:0:0:0: [sr0] CDB: Inquiry: 12 00 00 00 fe 00 ata2.00: cmd a0/01:00:00:fe:00/00:00:00:00:00/a0 tag 0 dma 16640 in res 48/20:02:00:24:00/00:00:00:00:00/a0 Emask 0x2 (HSM violation) ata2.00: status: { DRDY DRQ } ata2: soft resetting link ata2.00: configured for MWDMA2 ata2: EH complete ata2.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x6 frozen ata2.00: BMDMA stat 0x5 sr 1:0:0:0: [sr0] CDB: Inquiry: 12 00 00 00 fe 00 ata2.00: cmd a0/01:00:00:fe:00/00:00:00:00:00/a0 tag 0 dma 16640 in res 48/20:02:00:24:00/00:00:00:00:00/a0 Emask 0x2 (HSM violation) ata2.00: status: { DRDY DRQ } ata2: soft resetting link ata2.00: configured for MWDMA2 ata2: EH complete ata2.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x6 frozen ata2.00: BMDMA stat 0x5 sr 1:0:0:0: [sr0] CDB: Inquiry: 12 00 00 00 fe 00 ata2.00: cmd a0/01:00:00:fe:00/00:00:00:00:00/a0 tag 0 dma 16640 in res 48/20:02:00:24:00/00:00:00:00:00/a0 Emask 0x2 (HSM violation) ata2.00: status: { DRDY DRQ } ata2: soft resetting link ata2.00: configured for MWDMA2 ata2: EH complete ata2.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x6 frozen ata2.00: BMDMA stat 0x5 sr 1:0:0:0: [sr0] CDB: Inquiry: 12 00 00 00 fe 00 ata2.00: cmd a0/01:00:00:fe:00/00:00:00:00:00/a0 tag 0 dma 16640 in res 48/20:02:00:24:00/00:00:00:00:00/a0 Emask 0x2 (HSM violation) ata2.00: status: { DRDY DRQ } ata2: soft resetting link ata2.00: configured for MWDMA2 ata2: EH complete ata2.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x6 frozen ata2.00: BMDMA stat 0x5 sr 1:0:0:0: [sr0] CDB: Inquiry: 12 00 00 00 fe 00 ata2.00: cmd a0/01:00:00:fe:00/00:00:00:00:00/a0 tag 0 dma 16640 in res 48/20:02:00:24:00/00:00:00:00:00/a0 Emask 0x2 (HSM violation) ata2.00: status: { DRDY DRQ } ata2: soft resetting link ata2.00: configured for MWDMA2 ata2: EH complete ata2.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x6 frozen ata2.00: BMDMA stat 0x5 sr 1:0:0:0: [sr0] CDB: Inquiry: 12 00 00 00 fe 00 ata2.00: cmd a0/01:00:00:fe:00/00:00:00:00:00/a0 tag 0 dma 16640 in res 48/20:02:00:24:00/00:00:00:00:00/a0 Emask 0x2 (HSM violation) ata2.00: status: { DRDY DRQ } ata2: soft resetting link ata2.00: configured for MWDMA2 ata2: EH complete ata2.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x6 frozen ata2.00: BMDMA stat 0x5 sr 1:0:0:0: [sr0] CDB: Inquiry: 12 00 00 00 fe 00 ata2.00: cmd a0/01:00:00:fe:00/00:00:00:00:00/a0 tag 0 dma 16640 in res 48/20:02:00:24:00/00:00:00:00:00/a0 Emask 0x2 (HSM violation) ata2.00: status: { DRDY DRQ } ata2: soft resetting link ata2.00: configured for MWDMA2 ata2: EH complete ata2.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x6 frozen ata2.00: BMDMA stat 0x5 sr 1:0:0:0: [sr0] CDB: Inquiry: 12 00 00 00 fe 00 ata2.00: cmd a0/01:00:00:fe:00/00:00:00:00:00/a0 tag 0 dma 16640 in res 48/20:02:00:24:00/00:00:00:00:00/a0 Emask 0x2 (HSM violation) ata2.00: status: { DRDY DRQ } ata2: soft resetting link ata2.00: configured for MWDMA2 ata2: EH complete ata2.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x6 frozen ata2.00: BMDMA stat 0x5 sr 1:0:0:0: [sr0] CDB: Inquiry: 12 00 00 00 fe 00 ata2.00: cmd a0/01:00:00:fe:00/00:00:00:00:00/a0 tag 0 dma 16640 in res 48/20:02:00:24:00/00:00:00:00:00/a0 Emask 0x2 (HSM violation) ata2.00: status: { DRDY DRQ } ata2: soft resetting link ata2.00: configured for MWDMA2 ata2: EH complete ata2.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x6 frozen ata2.00: BMDMA stat 0x5 sr 1:0:0:0: [sr0] CDB: Inquiry: 12 00 00 00 fe 00 ata2.00: cmd a0/01:00:00:fe:00/00:00:00:00:00/a0 tag 0 dma 16640 in res 48/20:02:00:24:00/00:00:00:00:00/a0 Emask 0x2 (HSM violation) ata2.00: status: { DRDY DRQ } ata2: soft resetting link ata2.00: configured for MWDMA2 ata2: EH complete ata2.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x6 frozen ata2.00: BMDMA stat 0x5 sr 1:0:0:0: [sr0] CDB: Inquiry: 12 00 00 00 fe 00 ata2.00: cmd a0/01:00:00:fe:00/00:00:00:00:00/a0 tag 0 dma 16640 in res 48/20:02:00:24:00/00:00:00:00:00/a0 Emask 0x2 (HSM violation) ata2.00: status: { DRDY DRQ } ata2: soft resetting link ata2.00: configured for MWDMA2 ata2: EH complete ata2.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x6 frozen ata2.00: BMDMA stat 0x5 sr 1:0:0:0: [sr0] CDB: Inquiry: 12 00 00 00 fe 00 ata2.00: cmd a0/01:00:00:fe:00/00:00:00:00:00/a0 tag 0 dma 16640 in res 48/20:02:00:24:00/00:00:00:00:00/a0 Emask 0x2 (HSM violation) ata2.00: status: { DRDY DRQ } ata2: soft resetting link ata2.00: configured for MWDMA2 ata2: EH complete ata2.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x6 frozen ata2.00: BMDMA stat 0x5 sr 1:0:0:0: [sr0] CDB: Inquiry: 12 00 00 00 fe 00 ata2.00: cmd a0/01:00:00:fe:00/00:00:00:00:00/a0 tag 0 dma 16640 in res 48/20:02:00:24:00/00:00:00:00:00/a0 Emask 0x2 (HSM violation) ata2.00: status: { DRDY DRQ } ata2: soft resetting link ata2.00: configured for MWDMA2 ata2: EH complete ata2.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x6 frozen ata2.00: BMDMA stat 0x5 sr 1:0:0:0: [sr0] CDB: Inquiry: 12 00 00 00 fe 00 ata2.00: cmd a0/01:00:00:fe:00/00:00:00:00:00/a0 tag 0 dma 16640 in res 48/20:02:00:24:00/00:00:00:00:00/a0 Emask 0x2 (HSM violation) ata2.00: status: { DRDY DRQ } ata2: soft resetting link ata2.00: configured for MWDMA2 ata2: EH complete ata2.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x6 frozen ata2.00: BMDMA stat 0x5 sr 1:0:0:0: [sr0] CDB: Inquiry: 12 00 00 00 fe 00 ata2.00: cmd a0/01:00:00:fe:00/00:00:00:00:00/a0 tag 0 dma 16640 in res 48/20:02:00:24:00/00:00:00:00:00/a0 Emask 0x2 (HSM violation) ata2.00: status: { DRDY DRQ } ata2: soft resetting link ata2.00: configured for MWDMA2 ata2: EH complete ata2.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x6 frozen ata2.00: BMDMA stat 0x5 sr 1:0:0:0: [sr0] CDB: Inquiry: 12 00 00 00 fe 00 ata2.00: cmd a0/01:00:00:fe:00/00:00:00:00:00/a0 tag 0 dma 16640 in res 48/20:02:00:24:00/00:00:00:00:00/a0 Emask 0x2 (HSM violation) ata2.00: status: { DRDY DRQ } ata2: soft resetting link ata2.00: configured for MWDMA2 ata2: EH complete ata2.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x6 frozen ata2.00: BMDMA stat 0x5 sr 1:0:0:0: [sr0] CDB: Inquiry: 12 00 00 00 fe 00 ata2.00: cmd a0/01:00:00:fe:00/00:00:00:00:00/a0 tag 0 dma 16640 in res 48/20:02:00:24:00/00:00:00:00:00/a0 Emask 0x2 (HSM violation) ata2.00: status: { DRDY DRQ } ata2: soft resetting link ata2.00: configured for MWDMA2 ata2: EH complete ata2.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x6 frozen ata2.00: BMDMA stat 0x5 sr 1:0:0:0: [sr0] CDB: Inquiry: 12 00 00 00 fe 00 ata2.00: cmd a0/01:00:00:fe:00/00:00:00:00:00/a0 tag 0 dma 16640 in res 48/20:02:00:24:00/00:00:00:00:00/a0 Emask 0x2 (HSM violation) ata2.00: status: { DRDY DRQ } ata2: soft resetting link ata2.00: configured for MWDMA2 ata2: EH complete ata2.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x6 frozen ata2.00: BMDMA stat 0x5 sr 1:0:0:0: [sr0] CDB: Inquiry: 12 00 00 00 fe 00 ata2.00: cmd a0/01:00:00:fe:00/00:00:00:00:00/a0 tag 0 dma 16640 in res 48/20:02:00:24:00/00:00:00:00:00/a0 Emask 0x2 (HSM violation) ata2.00: status: { DRDY DRQ } ata2: soft resetting link ata2.00: configured for MWDMA2 ata2: EH complete ata2.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x6 frozen ata2.00: BMDMA stat 0x5 sr 1:0:0:0: [sr0] CDB: Inquiry: 12 00 00 00 fe 00 ata2.00: cmd a0/01:00:00:fe:00/00:00:00:00:00/a0 tag 0 dma 16640 in res 48/20:02:00:24:00/00:00:00:00:00/a0 Emask 0x2 (HSM violation) ata2.00: status: { DRDY DRQ } ata2: soft resetting link ata2.00: configured for MWDMA2 ata2: EH complete ata2.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x6 frozen ata2.00: BMDMA stat 0x5 sr 1:0:0:0: [sr0] CDB: Inquiry: 12 00 00 00 fe 00 ata2.00: cmd a0/01:00:00:fe:00/00:00:00:00:00/a0 tag 0 dma 16640 in res 48/20:02:00:24:00/00:00:00:00:00/a0 Emask 0x2 (HSM violation) ata2.00: status: { DRDY DRQ } ata2: soft resetting link ata2.00: configured for MWDMA2 ata2: EH complete dracut Warning: No root device "block:/dev/mapper/vg_virtlab668438-lv_root" found ata2.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x6 frozen dracut Warning: LVM vg_virtlab668438/lv_root not found dracut Warning: LVM vg_virtlab668438/lv_swap not found ata2.00: BMDMA stat 0x5 sr 1:0:0:0: [sr0] CDB: Inquiry dracut Warning: Boot has failed. To debug this issue add "rdshell" to the kernel command line. : 12 dracut Warning: Signal caught! 00 00 00 fe 00 ata2.00: cmd a0/01:00:00:fe:00/00:00:00:00:00/a0 tag 0 dma 16640 in res 48/20:02:00:24:00/00:00:00:00:00/a0 Emask 0x2 (HSM violation) ata2.00: status: { DRDY DRQ } ata2: soft resetting link dracut Warning: LVM vg_virtlab668438/lv_root not found dracut Warning: LVM vg_virtlab668438/lv_swap not found dracut Warning: Boot has failed. To debug this issue add "rdshell" to the kernel command line. Kernel panic - not syncing: Attempted to kill init! Pid: 1, comm: init Not tainted 2.6.32-220.el6.x86_64 #1 Call Trace: [<ffffffff814ec341>] ? panic+0x78/0x143 [<ffffffff8106eed2>] ? do_exit+0x852/0x860 [<ffffffff81177fc5>] ? fput+0x25/0x30 [<ffffffff8106ef38>] ? do_group_exit+0x58/0xd0 [<ffffffff8106efc7>] ? sys_exit_group+0x17/0x20 [<ffffffff8100b0f2>] ? system_call_fastpath+0x16/0x1b
Looks like the same bug that was reported with xenpv-win (bug 452299).
Ok, one day of testing to remember we decided to not backport change for backing file. So we support only qcow on qcow (unlike the upstream that supports qcow on raw). Using raw as backing file is not supported and fails everytime. I have to check why the img2qcow scenario fails.
Can you please retest the Scenario 3 with ensuring tap:qcow is used for disk configuration. It's working for me. You can't use file: as you're trying to use only pv-on-hvm - image does not go through proper blktap path and is not opened correctly.
(In reply to comment #11) > Can you please retest the Scenario 3 with ensuring tap:qcow is used for disk > configuration. It's working for me. > > You can't use file: as you're trying to use only pv-on-hvm - image does not > go through proper blktap path and is not opened correctly. Passed for img2qcow [root@dhcp-8-204 images]# img2qcow RHEL-Server-6.3-64-hvm.qcow RHEL-Server-6.3-64-hvm.raw Image size: [16386048] Created cksum: -1000528405 File truncated to length 8391741952 Qcow file created: size 16386048 sectors [=====================] 100% TRANSFER COMPLETE Writing cksum: 833943482 1. disk = ['tap:qcow:/root/xen.autotest/client/tests/xen/images/RHEL-Server-6.3-64-hvm.qcow,hda,w'] 2. disk = ['tap:qcow:/root/xen.autotest/client/tests/xen/images/RHEL-Server-6.3-64-hvm.qcow,xvda,w'] Failed case in Scenario 3 is because using the following combination as you describe in c6 xen_emul_unplug=ide-disks disk = ['file:/root/xen.autotest/client/tests/xen/images/RHEL-Server-6.3-64-hvm.qcow,hda,w']
Closing this bz as NOTABUG. Failures was caused by using unsupported configurations: 1.) Using raw image as backing file is not supported. Only qcow image is supported as backing file 2.) Using qcow image with loopback configuration and pv-on-hvm drivers only. This can't work as image is not properly handled by blktapctrl deamon.