Tomoiaga Cristian
2013-Mar-11 11:24 UTC
Possible bug in Xen 4.2.1 when rebooting domU after save/restore
Hello, After saving and restoring a DomU (teste on the same server), doing a reboot to the newly restored domU will cause it to crash. This happens on PV and PVHVM domUs. I am using qemu upstream for the HVM guests, but I don''t really think it matters as long as PV guests behave the same. I want to confirm this if possible, before submitting a bug report and more details. I am using CentOS 6 with this mirrorlist: http://www.crc.id.au/repo/mirrorlist-el6.txt To reproduce: xl save [domid] ./somefile xl restore -d path_to_domU.cfg ./somefile xl reboot [newdomid] xl info: host : xenrotest release : 3.8.2-3.el6xen.x86_64 version : #1 SMP Sat Mar 9 20:43:07 EST 2013 machine : x86_64 nr_cpus : 8 max_cpu_id : 7 nr_nodes : 1 cores_per_socket : 4 threads_per_core : 2 cpu_mhz : 3192 hw_caps : bfebfbff:28100800:00000000:00003f40:17bae3ff:00000000:00000001:00000000 virt_caps : hvm hvm_directio total_memory : 16361 free_memory : 15121 sharing_freed_memory : 0 sharing_used_memory : 0 free_cpus : 0 xen_major : 4 xen_minor : 2 xen_extra : .1 xen_caps : xen-3.0-x86_64 xen-3.0-x86_32p hvm-3.0-x86_32 hvm-3.0-x86_32p hvm-3.0-x86_64 xen_scheduler : credit xen_pagesize : 4096 platform_params : virt_start=0xffff800000000000 xen_changeset : unavailable xen_commandline : dom0_mem=1024M cpufreq=xen dom0_max_vcpus=1 dom0_vcpus_pin log_lvl=all guest_loglvl=all cc_compiler : gcc (GCC) 4.4.6 20120305 (Red Hat 4.4.6-4) cc_compile_by : mockbuild cc_compile_domain : crc.id.au cc_compile_date : Sat Feb 16 19:16:38 EST 2013 xend_config_format : 4 Xen xl log, after issuing the reboot command: Domain 8 needs to be cleaned up: destroying the domain Done. Rebooting now xc: error: 0-length read: Internal error xc: error: read_exact_timed failed (read rc: 0, errno: 0): Internal error xc: error: read: p2m_size (0 = Success): Internal error libxl: error: libxl_create.c:820:libxl__xc_domain_restore_done: restoring domain: Success libxl: error: libxl_create.c:902:domcreate_rebuild_done: cannot (re-)build domain: -3 libxl: error: libxl.c:1394:libxl__destroy_domid: non-existant domain 9 libxl: error: libxl.c:1358:domain_destroy_callback: unable to destroy guest with domid 9 libxl: error: libxl_create.c:1153:domcreate_destruction_cb: unable to destroy domain 9 following failed creation xl save/restore and other details can be attached if needed. Regards, Cristian Tomoiaga _______________________________________________ Xen-users mailing list Xen-users@lists.xen.org http://lists.xen.org/xen-users
Tomoiaga Cristian
2013-Mar-11 11:26 UTC
Possible bug in Xen 4.2.1 when rebooting domU after save/restore
Hello, After saving and restoring a DomU (teste on the same server), doing a reboot to the newly restored domU will cause it to crash. This happens on PV and PVHVM domUs. I am using qemu upstream for the HVM guests, but I don''t really think it matters as long as PV guests behave the same. I want to confirm this if possible, before submitting a bug report and more details. I am using CentOS 6 with this mirrorlist: http://www.crc.id.au/repo/mirrorlist-el6.txt To reproduce: xl save [domid] ./somefile xl restore -d path_to_domU.cfg ./somefile xl reboot [newdomid] xl info: host : xenrotest release : 3.8.2-3.el6xen.x86_64 version : #1 SMP Sat Mar 9 20:43:07 EST 2013 machine : x86_64 nr_cpus : 8 max_cpu_id : 7 nr_nodes : 1 cores_per_socket : 4 threads_per_core : 2 cpu_mhz : 3192 hw_caps : bfebfbff:28100800:00000000:00003f40:17bae3ff:00000000:00000001:00000000 virt_caps : hvm hvm_directio total_memory : 16361 free_memory : 15121 sharing_freed_memory : 0 sharing_used_memory : 0 free_cpus : 0 xen_major : 4 xen_minor : 2 xen_extra : .1 xen_caps : xen-3.0-x86_64 xen-3.0-x86_32p hvm-3.0-x86_32 hvm-3.0-x86_32p hvm-3.0-x86_64 xen_scheduler : credit xen_pagesize : 4096 platform_params : virt_start=0xffff800000000000 xen_changeset : unavailable xen_commandline : dom0_mem=1024M cpufreq=xen dom0_max_vcpus=1 dom0_vcpus_pin log_lvl=all guest_loglvl=all cc_compiler : gcc (GCC) 4.4.6 20120305 (Red Hat 4.4.6-4) cc_compile_by : mockbuild cc_compile_domain : crc.id.au cc_compile_date : Sat Feb 16 19:16:38 EST 2013 xend_config_format : 4 Xen xl log, after issuing the reboot command: Domain 8 needs to be cleaned up: destroying the domain Done. Rebooting now xc: error: 0-length read: Internal error xc: error: read_exact_timed failed (read rc: 0, errno: 0): Internal error xc: error: read: p2m_size (0 = Success): Internal error libxl: error: libxl_create.c:820:libxl__xc_domain_restore_done: restoring domain: Success libxl: error: libxl_create.c:902:domcreate_rebuild_done: cannot (re-)build domain: -3 libxl: error: libxl.c:1394:libxl__destroy_domid: non-existant domain 9 libxl: error: libxl.c:1358:domain_destroy_callback: unable to destroy guest with domid 9 libxl: error: libxl_create.c:1153:domcreate_destruction_cb: unable to destroy domain 9 following failed creation xl save/restore and other details can be attached if needed. Regards, Cristian Tomoiaga _______________________________________________ Xen-users mailing list Xen-users@lists.xen.org http://lists.xen.org/xen-users
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