Description of problem:

XOrg crashes sometimes at boot with:

Dec  6 08:55:37 localhost kernel: [   51.156030] ------------[ cut here ]------------
Dec  6 08:55:37 localhost kernel: [   51.156105] WARNING: CPU: 0 PID: 1041 at drivers/gpu/drm/qxl/qxl_ttm.c:418 qxl_sync_obj_wait+0x172/0x1f0 [qxl]()
Dec  6 08:55:37 localhost kernel: [   51.156108] sync obj 301 still has outstanding releases 0 0 0 266240 1
Dec  6 08:55:37 localhost kernel: [   51.156110] Modules linked in: nf_conntrack_netbios_ns nf_conntrack_broadcast ipt_MASQUERADE ip6t_REJECT xt_conntrack bnep bluetooth cfg80211 rfkill ebtable_nat ebtable_broute bridge stp llc ebtable_filter ebtables snd_hda_intel ip6table_nat nf_conntrack_ipv6 nf_defrag_ipv6 nf_nat_ipv6 ip6table_mangle ppdev snd_hda_codec ip6table_security ip6table_raw ip6table_filter ip6_tables iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 snd_hwdep nf_nat_ipv4 nf_nat nf_conntrack iptable_mangle snd_seq iptable_security iptable_raw snd_seq_device snd_pcm joydev snd_page_alloc microcode snd_timer virtio_console serio_raw snd parport_pc soundcore i2c_piix4 parport mperf nfsd auth_rpcgss nfs_acl lockd isofs squashfs virtio_net virtio_balloon virtio_blk qxl drm_kms_helper ttm drm virtio_pci virtio_ring virtio i2c_core ata_generic pata_acpi sunrpc loop 
Dec  6 08:55:37 localhost kernel: [   51.156163] CPU: 0 PID: 1041 Comm: X Not tainted 3.11.10-300.fc20.x86_64 #1
Dec  6 08:55:37 localhost kernel: [   51.156166] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
Dec  6 08:55:37 localhost kernel: [   51.156168]  0000000000000009 ffff880037db38b8 ffffffff816441bb ffff880037db3900
Dec  6 08:55:37 localhost kernel: [   51.156173]  ffff880037db38f0 ffffffff8106715d 0000000000000001 ffff880039ebbab0
Dec  6 08:55:37 localhost kernel: [   51.156176]  0000000000000001 ffff880039ebbac8 0000000000000000 ffff880037db3950
Dec  6 08:55:37 localhost kernel: [   51.156180] Call Trace:
Dec  6 08:55:37 localhost kernel: [   51.156191]  [<ffffffff816441bb>] dump_stack+0x45/0x56
Dec  6 08:55:37 localhost kernel: [   51.156198]  [<ffffffff8106715d>] warn_slowpath_common+0x7d/0xa0
Dec  6 08:55:37 localhost kernel: [   51.156201]  [<ffffffff810671cc>] warn_slowpath_fmt+0x4c/0x50
Dec  6 08:55:37 localhost kernel: [   51.156210]  [<ffffffff816482f3>] ? schedule_hrtimeout_range+0x13/0x20
Dec  6 08:55:37 localhost kernel: [   51.156218]  [<ffffffffa0105e82>] qxl_sync_obj_wait+0x172/0x1f0 [qxl]
Dec  6 08:55:37 localhost kernel: [   51.156242]  [<ffffffffa00ef70e>] ttm_bo_wait+0x8e/0x180 [ttm]
Dec  6 08:55:37 localhost kernel: [   51.156252]  [<ffffffffa00f0fda>] ttm_bo_evict+0x4a/0x330 [ttm]
Dec  6 08:55:37 localhost kernel: [   51.156261]  [<ffffffffa00f13f0>] ttm_mem_evict_first+0x130/0x190 [ttm]
Dec  6 08:55:37 localhost kernel: [   51.156269]  [<ffffffffa00f1701>] ttm_bo_mem_space+0x2b1/0x360 [ttm]
Dec  6 08:55:37 localhost kernel: [   51.156276]  [<ffffffffa00f1b0a>] ttm_bo_move_buffer+0xaa/0x130 [ttm]
Dec  6 08:55:37 localhost kernel: [   51.156284]  [<ffffffffa00f1c1a>] ttm_bo_validate+0x8a/0x100 [ttm]
Dec  6 08:55:37 localhost kernel: [   51.156292]  [<ffffffffa00f1e66>] ttm_bo_init+0x1d6/0x430 [ttm]
Dec  6 08:55:37 localhost kernel: [   51.156300]  [<ffffffffa0107df9>] qxl_bo_create+0x159/0x1e0 [qxl]
Dec  6 08:55:37 localhost kernel: [   51.156309]  [<ffffffffa0107b60>] ? qxl_fbdev_qobj_is_fb+0x30/0x30 [qxl]
Dec  6 08:55:37 localhost kernel: [   51.156323]  [<ffffffffa0108537>] qxl_gem_object_create+0x57/0xf0 [qxl]
Dec  6 08:55:37 localhost kernel: [   51.156332]  [<ffffffffa010861d>] qxl_gem_object_create_with_handle+0x4d/0xf0 [qxl]
Dec  6 08:55:37 localhost kernel: [   51.156341]  [<ffffffffa010b81a>] qxl_alloc_ioctl+0x3a/0xa0 [qxl]
Dec  6 08:55:37 localhost kernel: [   51.156387]  [<ffffffffa007d122>] drm_ioctl+0x512/0x640 [drm]
Dec  6 08:55:37 localhost kernel: [   51.156399]  [<ffffffff8164e934>] ? __do_page_fault+0x1f4/0x510
Dec  6 08:55:37 localhost kernel: [   51.156405]  [<ffffffff8116dae5>] ? do_mmap_pgoff+0x305/0x3c0
Dec  6 08:55:37 localhost kernel: [   51.156410]  [<ffffffff811bac3d>] do_vfs_ioctl+0x2dd/0x4b0
Dec  6 08:55:37 localhost kernel: [   51.156414]  [<ffffffff811bae91>] SyS_ioctl+0x81/0xa0
Dec  6 08:55:37 localhost kernel: [   51.156419]  [<ffffffff8164e368>] ? do_async_page_fault+0x28/0xa0
Dec  6 08:55:37 localhost kernel: [   51.156424]  [<ffffffff81653399>] system_call_fastpath+0x16/0x1b
Dec  6 08:55:37 localhost kernel: [   51.156427] ---[ end trace 3146634909eb47c8 ]---
Dec  6 08:55:37 localhost kernel: [   51.156430] [TTM] Failed to expire sync object before buffer eviction
Dec  6 08:55:37 localhost kernel: [   51.156452] qxl 0000:00:02.0: object_init failed for (266240, 0x00000001)
Dec  6 08:55:37 localhost kernel: [   51.156457] [drm:qxl_gem_object_create] *ERROR* Failed to allocate GEM object (262164, 1, 4096, -12)
Dec  6 08:55:37 localhost kernel: [   51.156460] [drm:qxl_alloc_ioctl] *ERROR* qxl_alloc_ioctl: failed to create gem ret=-12
Dec  6 08:55:37 localhost kdm[915]: X server for display :0 terminated unexpectedly


Version-Release number of selected component (if applicable):
kernel-3.11.10-300.fc20.x86_64
xorg-x11-drv-qxl-0.1.1-3.fc20.x86_64

How reproducible:
Sometimes

Steps to Reproduce:
1. Boot livecd in a VM (I'm using F-20 KDE Final TC5)

Actual results:
Sometimes user session is not auto-logged in - this means X crashed

Expected results:


Additional info: