Forgot to post my domU config (xm/xend format): import os, re arch = os.uname()[4] if re.search('64', arch): arch_libdir = 'lib64' else: arch_libdir = 'lib' name = 'domU' bootloader = '/usr/bin/pygrub' extra = '(hd0,0)/grub/menu.lst' maxmem = 4096 memory = 1024 vcpus=2 vif = [ 'mac=00:16:3E:AA:BB:CC, bridge=brXXX, vifname=domU.0', 'mac=AA:00:00:AA:BB:CC, bridge=brYYY, vifname=domU.1' ] disk = [ 'tap2:aio:/dev/VolGroup/Volume,xvda,w', 'tap2:aio:/dev/VolGroup/Volume-b,xvdb,w' ] on_poweroff = 'destroy' on_reboot = 'destroy' on_crash = 'preserve' device_model = '/usr/' + arch_libdir + '/xen/bin/qemu-dm' boot='cd' vfb = [ 'type=vnc, vnclisten=0.0.0.0, vncpasswd=RRRRRR, vncdisplay=NN' ] nographic=0 stdvga=0 serial='pty' monitor=0 localtime=0 usb=1 usbdevice='tablet' El Viernes 05/01/2018 a las 18:05, Ricardo J. Barberis escribió: > A CentOS 6.9 domU with kernel 2.6.32-696.18.7.el6.x86_64 also fails to boot > on a CentOS 6.9 dom0 with kernel 4.9.63-29.el6.x86_64 and xen > 4.4.4-34.el6.x86_64 > > Xen logs lines like these (among others): > > /var/log/xen/xend.log:[2018-01-05 17:55:45 2357] WARNING (XendDomainInfo:583) Could not unpause blktap disk: ('unpause', '-p11520', '-m4') failed (5632 ) > > /var/log/messages:Jan 5 17:55:45 xvm16n00 tapdisk[11520]: tap-err:tapdisk_vbd_resume: resume request for unpaused vbd aio:/dev/VolGroup/Volume > > > Xenctx for vCPU 0 says: > > [root@dom0 ~] # /usr/lib64/xen/bin/xenctx -s > System.map-2.6.32-696.18.7.el6.x86_64 13 0 rip: ffffffff812b7872 > __memcpy_fromio+0x12 > flags: 00001202 i nz > rsp: ffffffff81a03e00 > rax: 0000000000000000 rcx: 0000000000000004 rdx: 0000000000000010 > rbx: ffffffffff400000 rsi: ffffffffff400000 rdi: ffffffff81a03e68 > rbp: ffffffff81a03e48 r8: 0000000000000000 r9: 0000000000007ff0 > r10: 0000000000000000 r11: 0000000000000000 r12: ffffffff81a03e58 > r13: ffffffffff400000 r14: ffffffffff410000 r15: ffffffff81a03e68 > cs: e033 ss: e02b ds: 0000 es: 0000 > fs: 0000 @ 0000000000000000 > gs: 0000 @ ffffffff81c25000/0000000000000000 > Code (instr addr ffffffff812b7872) > 00 00 00 55 48 89 e5 e8 57 e8 29 00 89 d2 48 89 d1 48 c1 e9 02 <f3> a5 f6 > c2 02 74 02 66 a5 f6 c2 > > Stack: > 0000000000000004 0000000000000000 0000000000000000 ffffffff812b7872 > 000000010000e030 0000000000010002 ffffffff81a03e48 000000000000e02b > ffffffff812b7869 ffffffff81a03eb8 ffffffff81c80153 0000000000000000 > 0000000000000000 ffffffff81a03e98 ffffffff81c872a0 0000000000000000 > > Call Trace: > [<ffffffff812b7872>] __memcpy_fromio+0x12 <-- > [<ffffffff812b7872>] __memcpy_fromio+0x12 > [<ffffffff812b7869>] __memcpy_fromio+0x9 > [<ffffffff81c80153>] dmi_scan_machine+0x139 > [<ffffffff81c45605>] setup_arch+0x424 > [<ffffffff8107e0ee>] vprintk_default+0xe > [<ffffffff8154b0cd>] printk+0x4f > [<ffffffff81c3fdda>] start_kernel+0xdc > [<ffffffff81c3f33a>] x86_64_start_reservations+0x125 > [<ffffffff81c4309c>] xen_start_kernel+0x4fe > > > And my domU has similar boot messages as Sarah Newman's: > > (early) Initializing cgroup subsys cpuset > (early) Initializing cgroup subsys cpu > (early) Linux version 2.6.32-696.18.7.el6.x86_64 (mockbuild@xxxxxxxxxxxxxxxxxxxx) (gcc version 4.4.7 20120313 (Red Hat 4.4.7-18) (GCC) ) #1 SMP Thu Jan 4 17:31:22 UTC 2018 > (early) Command line: ro root=/dev/xvda3 rd_NO_LUKS rd_NO_LVM rd_NO_MD SYSFONT=latarcyrheb-sun16 crashkernel=auto LANG=en_US.UTF-8 KEYBOARDTYPE=pc KEYTABLE=us rd_NO_DM earlyprintk=xen (hd0,0)/grub/menu.lst > (early) KERNEL supported cpus: > (early) Intel GenuineIntel > (early) AMD AuthenticAMD > (early) Centaur CentaurHauls > (early) 1 multicall(s) failed: cpu 0 > (early) Pid: 0, comm: swapper Not tainted 2.6.32-696.18.7.el6.x86_64 #1 > (early) Call Trace: > (early) [<ffffffff81004843>] ? xen_mc_flush+0x1c3/0x250 > (early) [<ffffffff81006b9e>] ? xen_extend_mmu_update+0xde/0x1b0 > (early) [<ffffffff81006fcd>] ? xen_set_pmd_hyper+0x9d/0xc0 > (early) [<ffffffff81c5e8ac>] ? early_ioremap_init+0x98/0x133 > (early) [<ffffffff81c45221>] ? setup_arch+0x40/0xca6 > (early) [<ffffffff8107e0ee>] ? vprintk_default+0xe/0x10 > (early) [<ffffffff8154b0cd>] ? printk+0x4f/0x52 > (early) [<ffffffff81c3fdda>] ? start_kernel+0xdc/0x43b > (early) [<ffffffff81c47eb0>] ? reserve_early+0x30/0x39 > (early) [<ffffffff81c3f33a>] ? x86_64_start_reservations+0x125/0x129 > (early) [<ffffffff81c4309c>] ? xen_start_kernel+0x4fe/0x505 > (early) ------------[ cut here ]------------ > (early) WARNING: at arch/x86/xen/multicalls.c:182 xen_mc_flush+0x21f/0x250() (Not tainted) > (early) Modules linked in: > (early) Pid: 0, comm: swapper Not tainted 2.6.32-696.18.7.el6.x86_64 #1 > (early) Call Trace: > (early) [<ffffffff8107ce81>] ? warn_slowpath_common+0x91/0xe0 > (early) [<ffffffff8100762f>] ? __raw_callee_save_xen_restore_fl+0x11/0x1e > (early) [<ffffffff8107ceea>] ? warn_slowpath_null+0x1a/0x20 > (early) [<ffffffff8100489f>] ? xen_mc_flush+0x21f/0x250 > (early) [<ffffffff81006b9e>] ? xen_extend_mmu_update+0xde/0x1b0 > (early) [<ffffffff81006b9e>] ? xen_extend_mmu_update+0xde/0x1b0 > (early) [<ffffffff81006fcd>] ? xen_set_pmd_hyper+0x9d/0xc0 > (early) [<ffffffff81c5e8ac>] ? early_ioremap_init+0x98/0x133 > (early) [<ffffffff81c45221>] ? setup_arch+0x40/0xca6 > (early) [<ffffffff8107e0ee>] ? vprintk_default+0xe/0x10 > (early) [<ffffffff8154b0cd>] ? printk+0x4f/0x52 > (early) [<ffffffff81c3fdda>] ? start_kernel+0xdc/0x43b > (early) [<ffffffff81c47eb0>] ? reserve_early+0x30/0x39 > (early) [<ffffffff81c3f33a>] ? x86_64_start_reservations+0x125/0x129 > (early) [<ffffffff81c4309c>] ? xen_start_kernel+0x4fe/0x505 > (early) ---[ end trace a7919e7f17c0a725 ]--- > (early) ACPI in unprivileged domain disabled > (early) released 0 pages of unused memory > (early) BIOS-provided physical RAM map: > (early) Xen: 0000000000000000 - 00000000000a0000 (usable) > (early) Xen: 00000000000a0000 - 0000000000100000 (reserved) > (early) Xen: 0000000000100000 - 0000000100000000 (usable) > (early) bootconsole [xenboot0] enabled > > El Viernes 05/01/2018 a las 05:39, Sarah Newman escribió: > > Problems start before any of the kaiser code executes, though it could > > still be related to CONFIG_KAISER since that has effects beyond kaiser.c. > > > > --- > > (early) Initializing cgroup subsys cpuset > > (early) Initializing cgroup subsys cpu > > (early) Linux version 2.6.32-696.18.7.el6.x86_64 > > (mockbuild@xxxxxxxxxxxxxxxxxxxx) (gcc version 4.4.7 20120313 (Red Hat 4.4.7-18) (GCC) ) #1 SMP Thu Jan 4 17:31:22 UTC 2018 (early) Command line: ro console=hvc0 rootflags=barrier=0 crashkernel=auto SYSFONT=latarcyrheb-sun16 LANG=en_US.UTF-8 KEYTABLE=us earlyprintk=xen > > (early) KERNEL supported cpus: > > (early) Intel GenuineIntel > > (early) AMD AuthenticAMD > > (early) Centaur CentaurHauls > > (early) 1 multicall(s) failed: cpu 0 > > (early) Pid: 0, comm: swapper Not tainted 2.6.32-696.18.7.el6.x86_64 #1 > > (early) Call Trace: > > (early) [<ffffffff81004843>] ? xen_mc_flush+0x1c3/0x250 > > (early) [<ffffffff81006b9e>] ? xen_extend_mmu_update+0xde/0x1b0 > > (early) [<ffffffff81006fcd>] ? xen_set_pmd_hyper+0x9d/0xc0 > > (early) [<ffffffff81c5e8ac>] ? early_ioremap_init+0x98/0x133 > > (early) [<ffffffff81c45221>] ? setup_arch+0x40/0xca6 > > (early) [<ffffffff8107e0ee>] ? vprintk_default+0xe/0x10 > > (early) [<ffffffff8154b0cd>] ? printk+0x4f/0x52 > > (early) [<ffffffff81c3fdda>] ? start_kernel+0xdc/0x43b > > (early) [<ffffffff81c47eb0>] ? reserve_early+0x30/0x39 > > (early) [<ffffffff81c3f33a>] ? x86_64_start_reservations+0x125/0x129 > > (early) [<ffffffff81c4309c>] ? xen_start_kernel+0x4fe/0x505 > > (early) ------------[ cut here ]------------ > > (early) WARNING: at arch/x86/xen/multicalls.c:182 xen_mc_flush+0x21f/0x250() (Not tainted) > > (early) Modules linked in: > > (early) Pid: 0, comm: swapper Not tainted 2.6.32-696.18.7.el6.x86_64 #1 > > (early) Call Trace: > > (early) [<ffffffff8107ce81>] ? warn_slowpath_common+0x91/0xe0 > > (early) [<ffffffff8100762f>] ? __raw_callee_save_xen_restore_fl+0x11/0x1e (early) [<ffffffff8107ceea>] ? warn_slowpath_null+0x1a/0x20 > > (early) [<ffffffff8100489f>] ? xen_mc_flush+0x21f/0x250 > > (early) [<ffffffff81006b9e>] ? xen_extend_mmu_update+0xde/0x1b0 > > (early) [<ffffffff81006b9e>] ? xen_extend_mmu_update+0xde/0x1b0 > > (early) [<ffffffff81006fcd>] ? xen_set_pmd_hyper+0x9d/0xc0 > > (early) [<ffffffff81c5e8ac>] ? early_ioremap_init+0x98/0x133 > > (early) [<ffffffff81c45221>] ? setup_arch+0x40/0xca6 > > (early) [<ffffffff8107e0ee>] ? vprintk_default+0xe/0x10 > > (early) [<ffffffff8154b0cd>] ? printk+0x4f/0x52 > > (early) [<ffffffff81c3fdda>] ? start_kernel+0xdc/0x43b > > (early) [<ffffffff81c47eb0>] ? reserve_early+0x30/0x39 > > (early) [<ffffffff81c3f33a>] ? x86_64_start_reservations+0x125/0x129 > > (early) [<ffffffff81c4309c>] ? xen_start_kernel+0x4fe/0x505 > > (early) ---[ end trace a7919e7f17c0a725 ]--- > > (early) ACPI in unprivileged domain disabled > > (early) released 0 pages of unused memory > > (early) BIOS-provided physical RAM map: > > (early) Xen: 0000000000000000 - 00000000000a0000 (usable) > > (early) Xen: 00000000000a0000 - 0000000000100000 (reserved) > > (early) Xen: 0000000000100000 - 0000000020000000 (usable) > > (early) bootconsole [xenboot0] enabled -- Ricardo J. Barberis Usuario Linux Nº 250625: http://counter.li.org/ Usuario LFS Nº 5121: http://www.linuxfromscratch.org/ Senior SysAdmin / IT Architect - www.DonWeb.com _______________________________________________ CentOS-virt mailing list CentOS-virt@xxxxxxxxxx https://lists.centos.org/mailman/listinfo/centos-virt