Description of problem: I left the machine idle for a moment, when I came back the screen was frozen. Mouse or keyboard didn't respond. The network seemed to be working but I didn't have an ssh server running. I had to hard-reboot the machine. Unfortunately, I don't have much further info on how to reproduce this issue, I hope the logs are helpful. Additional info: reporter: libreport-2.1.8 BUG: unable to handle kernel NULL pointer dereference at (null) IP: [<ffffffff81149daa>] put_page+0xa/0x60 PGD 11f3c8067 PUD 11f3c7067 PMD 0 Oops: 0000 [#1] SMP Modules linked in: xt_CHECKSUM nf_conntrack_netbios_ns nf_conntrack_broadcast ipt_MASQUERADE ip6t_REJECT 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_nat_ipv4 nf_nat iptable_mangle iptable_security iptable_raw xt_LOG xt_limit nf_conntrack_ipv4 nf_defrag_ipv4 xt_conntrack nf_conntrack fuse tun uvcvideo iTCO_wdt iTCO_vendor_support coretemp videobuf2_vmalloc mxm_wmi videobuf2_memops videobuf2_core videodev kvm_intel media btusb kvm bluetooth snd_hda_codec_hdmi snd_hda_codec_conexant arc4 iwldvm snd_hda_intel mac80211 snd_hda_codec e1000e snd_hwdep sdhci_pci sdhci snd_seq snd_seq_device snd_pcm snd_page_alloc mmc_core microcode snd_timer serio_raw ptp iwlwifi cfg80211 thinkpad_acpi i2c_i801 snd pps_core mei_me intel_ips shpchp soundcore mei wmi lpc_ich mfd_core rfkill acpi_cpufreq mperf uinput binfmt_misc dm_crypt i915 crc32_pclmul crc32c_intel ghash_clmulni_intel i2c_algo_bit drm_kms_helper firewire_ohci drm firewire_core crc_itu_t i2c_core video [last unloaded: iptable_mangle] CPU: 0 PID: 950 Comm: Xorg Not tainted 3.11.6-200.fc19.x86_64 #1 Hardware name: LENOVO 2522AV1/2522AV1, BIOS 6IET74WW (1.34 ) 10/25/2010 task: ffff880131fdbd00 ti: ffff88011f1be000 task.ti: ffff88011f1be000 RIP: 0010:[<ffffffff81149daa>] [<ffffffff81149daa>] put_page+0xa/0x60 RSP: 0018:ffff88011f1bfcc0 EFLAGS: 00010202 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 RDX: ffff88011ba53c00 RSI: 00000000000004a3 RDI: 0000000000000000 RBP: ffff88011f1bfcc8 R08: ffff880110be4230 R09: 0000000000000001 R10: ffffffffa00534e0 R11: ffff88011f1bfe18 R12: ffff880110be4180 R13: 0000160000000000 R14: ffff88012f6ac000 R15: ffff88012f6ac000 FS: 00007f8bc0990980(0000) GS:ffff880137c00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000000 CR3: 000000011f3c5000 CR4: 00000000000007f0 Stack: 0000000000000000 ffff88011f1bfd08 ffffffffa00dd253 ffff88011ba53c00 000004a200000000 ffff880100000001 ffff880110be4180 0000000000000000 ffffffffa012e6c0 ffff88011f1bfd30 ffffffffa00da3cb ffff880110be4180 Call Trace: [<ffffffffa00dd253>] i915_gem_object_put_pages_gtt+0xc3/0x1a0 [i915] [<ffffffffa00da3cb>] i915_gem_object_put_pages+0x4b/0xa0 [i915] [<ffffffffa00dfc46>] i915_gem_free_object+0x86/0x1b0 [i915] [<ffffffffa003881a>] drm_gem_object_free+0x2a/0x30 [drm] [<ffffffffa0038c2e>] drm_gem_handle_delete+0xfe/0x150 [drm] [<ffffffffa0039238>] drm_gem_close_ioctl+0x28/0x30 [drm] [<ffffffffa0037142>] drm_ioctl+0x532/0x660 [drm] [<ffffffff811bcbcf>] ? __d_free+0x3f/0x60 [<ffffffff811bcbcf>] ? __d_free+0x3f/0x60 [<ffffffff810906b4>] ? lg_global_unlock+0x44/0x60 [<ffffffff811c59c6>] ? mntput_no_expire+0xd6/0x120 [<ffffffff811b9f6d>] do_vfs_ioctl+0x2dd/0x4b0 [<ffffffff811a9d8e>] ? ____fput+0xe/0x10 [<ffffffff81085324>] ? task_work_run+0xa4/0xe0 [<ffffffff811ba1c1>] SyS_ioctl+0x81/0xa0 [<ffffffff81656e99>] system_call_fastpath+0x16/0x1b Code: 01 75 f3 e9 b5 fe ff ff be 4d 01 00 00 48 c7 c7 f9 ab 9e 81 e8 88 d4 f1 ff e9 9f fe ff ff 0f 1f 00 66 66 66 66 90 55 48 89 e5 53 <48> f7 07 00 c0 00 00 48 89 fb 75 30 8b 47 1c 85 c0 74 16 f0 ff RIP [<ffffffff81149daa>] put_page+0xa/0x60 RSP <ffff88011f1bfcc0> CR2: 0000000000000000
Created attachment 820598 [details] File: dmesg
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Fedora 19 changed to end-of-life (EOL) status on 2015-01-06. Fedora 19 is no longer maintained, which means that it will not receive any further security or bug fix updates. As a result we are closing this bug. If you can reproduce this bug against a currently maintained version of Fedora please feel free to reopen this bug against that version. If you are unable to reopen this bug, please file a new report against the current release. If you experience problems, please add a comment to this bug. Thank you for reporting this bug and we are sorry it could not be fixed.