0008574: [abrt] kernel: WARNING: at drivers/gpu/drm/qxl/qxl_ttm.c:414 qxl_sync_obj_wait+0x182/0x220 [qxl]()

Description of problem:<br /> <br /> 1) install centos 7.1 (Gnome workstation) in ovirt 3.5.1 infrastructure running on RHEL7.1 server<br /> 2) update guest<br /> 3) login using spice console<br /> 4) logout<br /> <br /> X crashes<br /> <br /> expeted result is that gdm restarts and you can login again graphically<br /> <br /> Version-Release number of selected component:<br /> kernel<br /> <br /> Truncated backtrace:<br /> WARNING: at drivers/gpu/drm/qxl/qxl_ttm.c:414 qxl_sync_obj_wait+0x182/0x220 [qxl]()<br /> sync obj 301 still has outstanding releases 0 0 0 4096 1<br /> Modules linked in: bnep bluetooth rfkill fuse ip6t_rpfilter ip6t_REJECT ipt_REJECT xt_conntrack ebtable_nat ebtable_broute bridge stp llc ebtable_filter ebtables ip6table_nat nf_conntrack_ipv6 nf_defrag_ipv6 nf_nat_ipv6 ip6table_mangle ip6table_security ip6table_raw ip6table_filter ip6_tables iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 nf_nat nf_conntrack iptable_mangle iptable_security iptable_raw iptable_filter ip_tables crct10dif_pclmul crct10dif_common crc32_pclmul crc32c_intel ghash_clmulni_intel ppdev aesni_intel lrw gf128mul glue_helper ablk_helper cryptd serio_raw pcspkr virtio_rng virtio_balloon parport_pc parport i2c_piix4 uinput xfs libcrc32c sr_mod cdrom ata_generic pata_acpi qxl drm_kms_helper virtio_blk ttm virtio_net virtio_console drm ata_piix virtio_pci virtio_ring<br /> virtio i2c_core libata floppy dm_mirror dm_region_hash dm_log dm_mod<br /> CPU: 0 PID: 10641 Comm: Xorg Not tainted 3.10.0-229.1.2.el7.x86_64 #1<br /> Hardware name: oVirt oVirt Node, BIOS 0.5.1 01/01/2011<br /> ffff8800790838d0 00000000e0e4b140 ffff880079083888 ffffffff81604afa<br /> ffff8800790838c0 ffffffff8106e34b 0000000000000001 ffff8800796d7740<br /> 0000000000000001 ffff8800796d7758 0000000000000000 ffff880079083928<br /> Call Trace:<br /> [<ffffffff81604afa>] dump_stack+0x19/0x1b<br /> [<ffffffff8106e34b>] warn_slowpath_common+0x6b/0xb0<br /> [<ffffffff8106e3ec>] warn_slowpath_fmt+0x5c/0x80<br /> [<ffffffff816091a3>] ? schedule_hrtimeout_range+0x13/0x20<br /> [<ffffffffa015f122>] qxl_sync_obj_wait+0x182/0x220 [qxl]<br /> [<ffffffffa00bb851>] ttm_bo_wait+0xb1/0x1b0 [ttm]<br /> [<ffffffffa00bd193>] ttm_bo_evict+0x63/0x360 [ttm]<br /> [<ffffffffa00bd5ca>] ttm_mem_evict_first+0x13a/0x1b0 [ttm]<br /> [<ffffffffa00bd8a8>] ttm_bo_mem_space+0x268/0x310 [ttm]<br /> [<ffffffffa00bddb2>] ttm_bo_validate+0x1e2/0x260 [ttm]<br /> [<ffffffffa00be09b>] ttm_bo_init+0x26b/0x420 [ttm]<br /> [<ffffffffa01611df>] qxl_bo_create+0x13f/0x1a0 [qxl]<br /> [<ffffffffa0160f60>] ? qxl_fbdev_qobj_is_fb+0x30/0x30 [qxl]<br /> [<ffffffffa0161959>] qxl_gem_object_create+0x69/0x110 [qxl]<br /> [<ffffffffa0161a5c>] qxl_gem_object_create_with_handle+0x5c/0x120 [qxl]<br /> [<ffffffffa0164d66>] qxl_alloc_ioctl+0x46/0xc0 [qxl]<br /> [<ffffffffa00f8b1c>] drm_ioctl+0x1ec/0x660 [drm]<br /> [<ffffffff8109ad55>] ? enqueue_hrtimer+0x25/0x80<br /> [<ffffffff8109b6aa>] ? __hrtimer_start_range_ns+0x1ca/0x410<br /> [<ffffffff811da125>] do_vfs_ioctl+0x2e5/0x4c0<br /> [<ffffffff8126f7ae>] ? file_has_perm+0xae/0xc0<br /> [<ffffffff811da3a1>] SyS_ioctl+0xa1/0xc0<br /> [<ffffffff81614a29>] system_call_fastpath+0x16/0x1b