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Description of problem: kernel crash after hot remove virtio-gpu device Version-Release number of selected component (if applicable): qemu-kvm-rhev package:qemu-kvm-rhev-2.6.0-21.el7.x86_64 host & guest kernel: 3.10.0-489.el7.x86_64 How reproducible: 100% reproduce Steps to Reproduce: 1.Boot rhel7.3 guest use qemu cli: /usr/libexec/qemu-kvm -name rhel7.3 -m 2048 \ -cpu Haswell-noTSX \ -smp 6,threads=2,cores=1,sockets=3,maxcpus=6 \ -device virtio-vga\ -device virtio-gpu\ -spice port=5901,disable-ticketing \ -device virtio-serial -chardev spicevmc,id=vdagent,debug=0,name=vdagent \ -serial unix:/tmp/m,server,nowait \ -device virtserialport,chardev=vdagent,name=com.redhat.spice.0 \ -drive file=rhel73.qcow2,if=none,id=drive-scsi-disk0,format=qcow2,cache=none,werror=stop,rerror=stop -device virtio-scsi-pci,id=scsi0,disable-modern=off,disable-legacy=off -device scsi-hd,drive=drive-scsi-disk0,bus=scsi0.0,scsi-id=0,lun=0,id=scsi-disk0,bootindex=1 \ -monitor stdio \ -usb -device usb-kbd,id=input0 \ -netdev tap,id=idinWyYp -device virtio-net-pci,mac=42:ce:a9:d2:4d:d7,id=idlbq7eA,netdev=idinWyYp \ -qmp tcp:localhost:4444,server,nowait \ -device ich9-intel-hda -device hda-duplex \ 2.Hot plug a new virtio-gpu into guest via qmp: { "execute": "device_add","arguments":{"driver":"virtio-gpu","id":"gpu1"}} 3.Hot remove this this virtio-gpu from guest: { "execute": "device_del","arguments":{"id":"gpu1"}} Actual results: kernel crash with log: [ 98.277860] ------------[ cut here ]------------ [ 98.277894] WARNING: at drivers/gpu/drm/drm_mm.c:773 drm_mm_takedown+0x2e/0x30 [drm]() [ 98.277895] Memory manager not clean during takedown. [ 98.277897] Modules linked in: uinput xt_CHECKSUM ipt_MASQUERADE nf_nat_masquerade_ipv4 tun ipt_REJECT nf_reject_ipv4 ip6t_rpfilter ip6t_REJECT nf_reject_ipv6 xt_conntrack ip_set nfnetlink ebtable_nat ebtable_broute bridge stp llc ip6table_nat nf_conntrack_ipv6 nf_defrag_ipv6 nf_nat_ipv6 ip6table_mangle ip6table_security ip6table_raw iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 nf_nat nf_conntrack iptable_mangle iptable_security iptable_raw ebtable_filter ebtables ip6table_filter ip6_tables iptable_filter snd_hda_codec_generic snd_hda_intel snd_hda_codec virtio_gpu snd_hda_core snd_hwdep ttm snd_seq drm_kms_helper snd_seq_device syscopyarea snd_pcm sysfillrect iosf_mbi sysimgblt fb_sys_fops crc32_pclmul snd_timer ghash_clmulni_intel drm aesni_intel lrw gf128mul ppdev glue_helper snd soundcore [ 98.277933] sg i2c_piix4 ablk_helper cryptd parport_pc parport i2c_core pcspkr nfsd auth_rpcgss nfs_acl lockd grace sunrpc ip_tables xfs libcrc32c sr_mod cdrom sd_mod crc_t10dif crct10dif_generic ata_generic pata_acpi virtio_net virtio_scsi virtio_console crct10dif_pclmul crct10dif_common crc32c_intel ata_piix serio_raw virtio_pci libata virtio_ring virtio floppy dm_mirror dm_region_hash dm_log dm_mod [ 98.277964] CPU: 2 PID: 6 Comm: kworker/u12:0 Not tainted 3.10.0-493.el7.x86_64 #1 [ 98.277966] Hardware name: Red Hat KVM, BIOS 1.9.1-4.el7 04/01/2014 [ 98.277973] Workqueue: kacpi_hotplug acpi_hotplug_work_fn [ 98.277975] ffff88007c073a18 00000000ea1e9a14 ffff88007c0739d0 ffffffff81683c5a [ 98.277978] ffff88007c073a08 ffffffff810857c0 ffff8800584b04d8 ffff8800584b0078 [ 98.277981] ffff8800584b0098 ffff88003571f440 0000000000000000 ffff88007c073a70 [ 98.277984] Call Trace: [ 98.277993] [<ffffffff81683c5a>] dump_stack+0x19/0x1b [ 98.277997] [<ffffffff810857c0>] warn_slowpath_common+0x70/0xb0 [ 98.277999] [<ffffffff8108585c>] warn_slowpath_fmt+0x5c/0x80 [ 98.278012] [<ffffffffa040ebbe>] drm_mm_takedown+0x2e/0x30 [drm] [ 98.278025] [<ffffffffa042116b>] drm_vma_offset_manager_destroy+0x1b/0x30 [drm] [ 98.278033] [<ffffffffa03e4b22>] ttm_bo_device_release+0xc2/0xf0 [ttm] [ 98.278039] [<ffffffffa04b9fc6>] virtio_gpu_ttm_fini+0x16/0x50 [virtio_gpu] [ 98.278044] [<ffffffffa04b57e5>] virtio_gpu_driver_unload+0x65/0xc0 [virtio_gpu] [ 98.278057] [<ffffffffa040ab89>] drm_dev_unregister+0x29/0xb0 [drm] [ 98.278069] [<ffffffffa040b273>] drm_put_dev+0x23/0x70 [drm] [ 98.278074] [<ffffffffa04b5045>] virtio_gpu_remove+0x15/0x20 [virtio_gpu] [ 98.278081] [<ffffffffa0024169>] virtio_dev_remove+0x49/0xd0 [virtio] [ 98.278088] [<ffffffff8142c44f>] __device_release_driver+0x7f/0xf0 [ 98.278090] [<ffffffff8142c4e3>] device_release_driver+0x23/0x30 [ 98.278108] [<ffffffff8142bc58>] bus_remove_device+0x108/0x180 [ 98.278114] [<ffffffff81427d55>] device_del+0x135/0x200 [ 98.278117] [<ffffffff81427e3e>] device_unregister+0x1e/0x60 [ 98.278124] [<ffffffffa0024406>] unregister_virtio_device+0x16/0x30 [virtio] [ 98.278131] [<ffffffffa005c5d4>] virtio_pci_remove+0x34/0x70 [virtio_pci] [ 98.278137] [<ffffffff8135a9cb>] pci_device_remove+0x3b/0xb0 [ 98.278141] [<ffffffff8142c44f>] __device_release_driver+0x7f/0xf0 [ 98.278144] [<ffffffff8142c4e3>] device_release_driver+0x23/0x30 [ 98.278148] [<ffffffff81353ca4>] pci_stop_bus_device+0x94/0xa0 [ 98.278151] [<ffffffff81353d92>] pci_stop_and_remove_bus_device+0x12/0x20 [ 98.278155] [<ffffffff81371436>] disable_slot+0x76/0xd0 [ 98.278159] [<ffffffff813714ad>] acpiphp_disable_and_eject_slot+0x1d/0x80 [ 98.278161] [<ffffffff8137204d>] acpiphp_hotplug_notify+0x8d/0x210 [ 98.278164] [<ffffffff81371fc0>] ? acpiphp_post_dock_fixup+0xd0/0xd0 [ 98.278168] [<ffffffff81397421>] acpi_device_hotplug+0x3b5/0x418 [ 98.278171] [<ffffffff813907d5>] acpi_hotplug_work_fn+0x1e/0x29 [ 98.278174] [<ffffffff810a7e7b>] process_one_work+0x17b/0x470 [ 98.278177] [<ffffffff810a8cb6>] worker_thread+0x126/0x410 [ 98.278179] [<ffffffff810a8b90>] ? rescuer_thread+0x460/0x460 [ 98.278183] [<ffffffff810b046f>] kthread+0xcf/0xe0 [ 98.278186] [<ffffffff810b03a0>] ? kthread_create_on_node+0x140/0x140 [ 98.278192] [<ffffffff81694118>] ret_from_fork+0x58/0x90 [ 98.278195] [<ffffffff810b03a0>] ? kthread_create_on_node+0x140/0x140 [ 98.278197] ---[ end trace 063a6ea66459d9fa ]--- [ 98.278199] [drm] virtio_gpu: ttm finalized [ 98.278205] ------------[ cut here ]------------ [ 98.278210] WARNING: at drivers/gpu/drm/virtio/virtgpu_vq.c:112 virtio_gpu_free_vbufs+0xb3/0xc0 [virtio_gpu]() [ 98.278211] Modules linked in: uinput xt_CHECKSUM ipt_MASQUERADE nf_nat_masquerade_ipv4 tun ipt_REJECT nf_reject_ipv4 ip6t_rpfilter ip6t_REJECT nf_reject_ipv6 xt_conntrack ip_set nfnetlink ebtable_nat ebtable_broute bridge stp llc ip6table_nat nf_conntrack_ipv6 nf_defrag_ipv6 nf_nat_ipv6 ip6table_mangle ip6table_security ip6table_raw iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 nf_nat nf_conntrack iptable_mangle iptable_security iptable_raw ebtable_filter ebtables ip6table_filter ip6_tables iptable_filter snd_hda_codec_generic snd_hda_intel snd_hda_codec virtio_gpu snd_hda_core snd_hwdep ttm snd_seq drm_kms_helper snd_seq_device syscopyarea snd_pcm sysfillrect iosf_mbi sysimgblt fb_sys_fops crc32_pclmul snd_timer ghash_clmulni_intel drm aesni_intel lrw gf128mul ppdev glue_helper snd soundcore [ 98.278245] sg i2c_piix4 ablk_helper cryptd parport_pc parport i2c_core pcspkr nfsd auth_rpcgss nfs_acl lockd grace sunrpc ip_tables xfs libcrc32c sr_mod cdrom sd_mod crc_t10dif crct10dif_generic ata_generic pata_acpi virtio_net virtio_scsi virtio_console crct10dif_pclmul crct10dif_common crc32c_intel ata_piix serio_raw virtio_pci libata virtio_ring virtio floppy dm_mirror dm_region_hash dm_log dm_mod [ 98.278268] CPU: 2 PID: 6 Comm: kworker/u12:0 Tainted: G W ------------ 3.10.0-493.el7.x86_64 #1 [ 98.278269] Hardware name: Red Hat KVM, BIOS 1.9.1-4.el7 04/01/2014 [ 98.278272] Workqueue: kacpi_hotplug acpi_hotplug_work_fn [ 98.278274] 0000000000000000 00000000ea1e9a14 ffff88007c073a68 ffffffff81683c5a [ 98.278277] ffff88007c073aa0 ffffffff810857c0 000000000000004e ffff8800584b0000 [ 98.278319] 0000000000000050 ffff8800584b8bd8 ffff8800584b8be8 ffff88007c073ab0 [ 98.278322] Call Trace: [ 98.278327] [<ffffffff81683c5a>] dump_stack+0x19/0x1b [ 98.278330] [<ffffffff810857c0>] warn_slowpath_common+0x70/0xb0 [ 98.278332] [<ffffffff8108590a>] warn_slowpath_null+0x1a/0x20 [ 98.278339] [<ffffffffa04b8333>] virtio_gpu_free_vbufs+0xb3/0xc0 [virtio_gpu] [ 98.278343] [<ffffffffa04b57ed>] virtio_gpu_driver_unload+0x6d/0xc0 [virtio_gpu] [ 98.278356] [<ffffffffa040ab89>] drm_dev_unregister+0x29/0xb0 [drm] [ 98.278367] [<ffffffffa040b273>] drm_put_dev+0x23/0x70 [drm] [ 98.278373] [<ffffffffa04b5045>] virtio_gpu_remove+0x15/0x20 [virtio_gpu] [ 98.278380] [<ffffffffa0024169>] virtio_dev_remove+0x49/0xd0 [virtio] [ 98.278386] [<ffffffff8142c44f>] __device_release_driver+0x7f/0xf0 [ 98.278388] [<ffffffff8142c4e3>] device_release_driver+0x23/0x30 [ 98.278390] [<ffffffff8142bc58>] bus_remove_device+0x108/0x180 [ 98.278394] [<ffffffff81427d55>] device_del+0x135/0x200 [ 98.278397] [<ffffffff81427e3e>] device_unregister+0x1e/0x60 [ 98.278403] [<ffffffffa0024406>] unregister_virtio_device+0x16/0x30 [virtio] [ 98.278409] [<ffffffffa005c5d4>] virtio_pci_remove+0x34/0x70 [virtio_pci] [ 98.278414] [<ffffffff8135a9cb>] pci_device_remove+0x3b/0xb0 [ 98.278418] [<ffffffff8142c44f>] __device_release_driver+0x7f/0xf0 [ 98.278420] [<ffffffff8142c4e3>] device_release_driver+0x23/0x30 [ 98.278423] [<ffffffff81353ca4>] pci_stop_bus_device+0x94/0xa0 [ 98.278426] [<ffffffff81353d92>] pci_stop_and_remove_bus_device+0x12/0x20 [ 98.278429] [<ffffffff81371436>] disable_slot+0x76/0xd0 [ 98.278433] [<ffffffff813714ad>] acpiphp_disable_and_eject_slot+0x1d/0x80 [ 98.278435] [<ffffffff8137204d>] acpiphp_hotplug_notify+0x8d/0x210 [ 98.278437] [<ffffffff81371fc0>] ? acpiphp_post_dock_fixup+0xd0/0xd0 [ 98.278441] [<ffffffff81397421>] acpi_device_hotplug+0x3b5/0x418 [ 98.278444] [<ffffffff813907d5>] acpi_hotplug_work_fn+0x1e/0x29 [ 98.278446] [<ffffffff810a7e7b>] process_one_work+0x17b/0x470 [ 98.278449] [<ffffffff810a8cb6>] worker_thread+0x126/0x410 [ 98.278451] [<ffffffff810a8b90>] ? rescuer_thread+0x460/0x460 [ 98.278454] [<ffffffff810b046f>] kthread+0xcf/0xe0 [ 98.278457] [<ffffffff810b03a0>] ? kthread_create_on_node+0x140/0x140 [ 98.278460] [<ffffffff81694118>] ret_from_fork+0x58/0x90 [ 98.278463] [<ffffffff810b03a0>] ? kthread_create_on_node+0x140/0x140 [ 98.278465] ---[ end trace 063a6ea66459d9fb ]--- [ 98.278481] ------------[ cut here ]------------ [ 98.278484] kernel BUG at mm/slub.c:3602! [ 98.278486] invalid opcode: 0000 [#1] SMP [ 98.278488] Modules linked in: uinput xt_CHECKSUM ipt_MASQUERADE nf_nat_masquerade_ipv4 tun ipt_REJECT nf_reject_ipv4 ip6t_rpfilter ip6t_REJECT nf_reject_ipv6 xt_conntrack ip_set nfnetlink ebtable_nat ebtable_broute bridge stp llc ip6table_nat nf_conntrack_ipv6 nf_defrag_ipv6 nf_nat_ipv6 ip6table_mangle ip6table_security ip6table_raw iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 nf_nat nf_conntrack iptable_mangle iptable_security iptable_raw ebtable_filter ebtables ip6table_filter ip6_tables iptable_filter snd_hda_codec_generic snd_hda_intel snd_hda_codec virtio_gpu snd_hda_core snd_hwdep ttm snd_seq drm_kms_helper snd_seq_device syscopyarea snd_pcm sysfillrect iosf_mbi sysimgblt fb_sys_fops crc32_pclmul snd_timer ghash_clmulni_intel drm aesni_intel lrw gf128mul ppdev glue_helper snd soundcore [ 98.278525] sg i2c_piix4 ablk_helper cryptd parport_pc parport i2c_core pcspkr nfsd auth_rpcgss nfs_acl lockd grace sunrpc ip_tables xfs libcrc32c sr_mod cdrom sd_mod crc_t10dif crct10dif_generic ata_generic pata_acpi virtio_net virtio_scsi virtio_console crct10dif_pclmul crct10dif_common crc32c_intel ata_piix serio_raw virtio_pci libata virtio_ring virtio floppy dm_mirror dm_region_hash dm_log dm_mod [ 98.278549] CPU: 2 PID: 6 Comm: kworker/u12:0 Tainted: G W ------------ 3.10.0-493.el7.x86_64 #1 [ 98.278551] Hardware name: Red Hat KVM, BIOS 1.9.1-4.el7 04/01/2014 [ 98.278554] Workqueue: kacpi_hotplug acpi_hotplug_work_fn [ 98.278556] task: ffff88007c7bce70 ti: ffff88007c070000 task.ti: ffff88007c070000 [ 98.278557] RIP: 0010:[<ffffffff811dc6a9>] [<ffffffff811dc6a9>] kfree+0x139/0x140 [ 98.278564] RSP: 0018:ffff88007c073ad0 EFLAGS: 00010246 [ 98.278565] RAX: 001fffff00000000 RBX: ffff8800584b0000 RCX: 0000000000000006 [ 98.278567] RDX: 001fffff00000000 RSI: 0000000000000000 RDI: ffff8800584b0000 [ 98.278568] RBP: ffff88007c073ae8 R08: 0000000000000086 R09: 00000000000002bb [ 98.278570] R10: 0000000000000000 R11: ffffea0001612c00 R12: ffff8800584b8cd8 [ 98.278571] R13: ffffffffa04b5834 R14: ffff8800584b8cd8 R15: ffff88007c76e6e0 [ 98.278573] FS: 0000000000000000(0000) GS:ffff88007fc80000(0000) knlGS:0000000000000000 [ 98.278575] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 98.278576] CR2: 00007fc265ac8000 CR3: 0000000079116000 CR4: 00000000001406e0 [ 98.278581] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 98.278583] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 [ 98.278584] Stack: [ 98.278585] ffff8800584b8cd8 ffff8800584b8cd8 ffff8800584b0000 ffff88007c073b18 [ 98.278588] ffffffffa04b5834 ffff8800792a7000 ffff8800792a7000 ffff88000006d808 [ 98.278591] ffffffffa04bf000 ffff88007c073b40 ffffffffa040ab89 ffff8800792a7000 [ 98.278594] Call Trace: [ 98.278599] [<ffffffffa04b5834>] virtio_gpu_driver_unload+0xb4/0xc0 [virtio_gpu] [ 98.278610] [<ffffffffa040ab89>] drm_dev_unregister+0x29/0xb0 [drm] [ 98.278620] [<ffffffffa040b273>] drm_put_dev+0x23/0x70 [drm] [ 98.278624] [<ffffffffa04b5045>] virtio_gpu_remove+0x15/0x20 [virtio_gpu] [ 98.278630] [<ffffffffa0024169>] virtio_dev_remove+0x49/0xd0 [virtio] [ 98.278636] [<ffffffff8142c44f>] __device_release_driver+0x7f/0xf0 [ 98.278639] [<ffffffff8142c4e3>] device_release_driver+0x23/0x30 [ 98.278642] [<ffffffff8142bc58>] bus_remove_device+0x108/0x180 [ 98.278645] [<ffffffff81427d55>] device_del+0x135/0x200 [ 98.278648] [<ffffffff81427e3e>] device_unregister+0x1e/0x60 [ 98.278654] [<ffffffffa0024406>] unregister_virtio_device+0x16/0x30 [virtio] [ 98.278661] [<ffffffffa005c5d4>] virtio_pci_remove+0x34/0x70 [virtio_pci] [ 98.278666] [<ffffffff8135a9cb>] pci_device_remove+0x3b/0xb0 [ 98.278670] [<ffffffff8142c44f>] __device_release_driver+0x7f/0xf0 [ 98.278672] [<ffffffff8142c4e3>] device_release_driver+0x23/0x30 [ 98.278675] [<ffffffff81353ca4>] pci_stop_bus_device+0x94/0xa0 [ 98.278680] [<ffffffff81353d92>] pci_stop_and_remove_bus_device+0x12/0x20 [ 98.278684] [<ffffffff81371436>] disable_slot+0x76/0xd0 [ 98.278687] [<ffffffff813714ad>] acpiphp_disable_and_eject_slot+0x1d/0x80 [ 98.278690] [<ffffffff8137204d>] acpiphp_hotplug_notify+0x8d/0x210 [ 98.278692] [<ffffffff81371fc0>] ? acpiphp_post_dock_fixup+0xd0/0xd0 [ 98.278695] [<ffffffff81397421>] acpi_device_hotplug+0x3b5/0x418 [ 98.278698] [<ffffffff813907d5>] acpi_hotplug_work_fn+0x1e/0x29 [ 98.278700] [<ffffffff810a7e7b>] process_one_work+0x17b/0x470 [ 98.278703] [<ffffffff810a8cb6>] worker_thread+0x126/0x410 [ 98.278705] [<ffffffff810a8b90>] ? rescuer_thread+0x460/0x460 [ 98.278708] [<ffffffff810b046f>] kthread+0xcf/0xe0 [ 98.278711] [<ffffffff810b03a0>] ? kthread_create_on_node+0x140/0x140 [ 98.278714] [<ffffffff81694118>] ret_from_fork+0x58/0x90 [ 98.278717] [<ffffffff810b03a0>] ? kthread_create_on_node+0x140/0x140 [ 98.278719] Code: 49 8b 03 31 f6 f6 c4 40 74 04 41 8b 73 68 4c 89 df e8 3c ce fa ff eb 89 4c 8b 58 30 48 8b 10 80 e6 80 4c 0f 44 d8 e9 2c ff ff ff <0f> 0b 0f 1f 44 00 00 0f 1f 44 00 00 55 48 89 e5 41 57 49 89 ff [ 98.278752] RIP [<ffffffff811dc6a9>] kfree+0x139/0x140 [ 98.278755] RSP <ffff88007c073ad0> Expected results: No kernel crash happen Additional info: Test on windows 10, hot remove won't cause windows crash Attach log generated from abrt
virtio-gpu-pcui is not hotpluggable. https://patchwork.ozlabs.org/patch/667325/
> https://patchwork.ozlabs.org/patch/667325/ backport posted.
Fix included in qemu-kvm-rhev-2.6.0-26.el7
Verify against qemu-kvm-rhev-2.6.0-26.el7.x86_64. qemu cli used: /usr/libexec/qemu-kvm -name rhel7.3 -m 2048 \ -smp 6,threads=2,cores=1,sockets=3,maxcpus=6 \ -cpu Haswell-noTSX,check \ -device virtio-vga \ -device virtio-gpu,id=virtgpu \ -spice port=3001,disable-ticketing \ -device virtio-serial -chardev spicevmc,id=vdagent,debug=0,name=vdagent \ -serial unix:/tmp/m,server,nowait \ -device virtserialport,chardev=vdagent,name=com.redhat.spice.0 \ -drive file=/home/guest/rhel73ss4.qcow2,if=none,id=drive-scsi-disk0,format=qcow2,cache=none,werror=stop,rerror=stop -device virtio-scsi-pci,id=scsi0 -device scsi-hd,drive=drive-scsi-disk0,bus=scsi0.0,scsi-id=0,lun=0,id=scsi-disk0,bootindex=1 \ -monitor stdio \ -usb -device usb-kbd,id=input0 \ -netdev tap,id=idinWyYp,vhost=on -device virtio-net-pci,mac=42:ce:a9:d2:4d:d7,id=idlbq7eA,netdev=idinWyYp \ -qmp tcp:localhost:4444,server,nowait \ -device intel-hda,id=sound0 -device hda-duplex,id=sound0-codec0 Boot guest and try to hot remove virtio-gpu device, qmp prompt not support hotplugging: { "execute": "device_del","arguments":{"id":"virtgpu"}} {"error": {"class": "GenericError", "desc": "Device 'virtio-gpu-pci' does not support hotplugging"}} Try to hot plug virtio-gpu device, qmp prompt device not hotplugable: { "execute": "device_add","arguments":{"driver":"virtio-gpu","id":"gpu1"}} {"error": {"class": "GenericError", "desc": "Parameter 'driver' expects pluggable device type"}}
Per comment 6, move to verified
Since the problem described in this bug report should be resolved in a recent advisory, it has been closed with a resolution of ERRATA. For information on the advisory, and where to find the updated files, follow the link below. If the solution does not work for you, open a new bug report. https://rhn.redhat.com/errata/RHBA-2016-2673.html