Today I have such messages in dmesg
[ 9.968509] r8169 0000:03:00.0: eth0: link up [ 9.969602] ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready [ 10.576533] BUG: unable to handle kernel NULL pointer dereference at 0000000000000028 [ 10.576722] IP: [<ffffffff810d838c>] pmd_val+0x8/0x8 [ 10.576853] PGD 0 [ 10.576967] Oops: 0002 [#1] SMP [ 10.577139] CPU 1 [ 10.577197] Modules linked in: pci_stub vboxpci(O) vboxnetadp(O) vboxnetflt(O) vboxdrv(O) nfsd nfs nfs_acl auth_rpcgss fscache lockd sunrpc fuse loop ecryptfs snd_hda_codec_hdmi joydev snd_hda_codec_realtek snd_hda_intel snd_hda_codec fglrx(P) snd_hwdep snd_pcm snd_page_alloc snd_seq snd_seq_device snd_timer snd shpchp evdev soundcore acpi_cpufreq mperf processor iTCO_wdt iTCO_vendor_support video button pcspkr parport_pc i2c_i801 parport coretemp i2c_core mxm_wmi crc32c_intel ghash_clmulni_intel wmi aesni_intel aes_x86_64 aes_generic cryptd psmouse serio_raw ext3 mbcache jbd sg sd_mod crc_t10dif usbhid hid thermal fan thermal_sys ahci libahci ehci_hcd xhci_hcd libata scsi_mod usbcore r8169 mii usb_common [last unloaded: scsi_wait_scan] [ 10.580935] [ 10.580976] Pid: 582, comm: udevd Tainted: P IO 3.2.0-4-amd64 #1 Debian 3.2.51-1 MSI MS-7850/Z87-G41 PC Mate(MS-7850) [ 10.581145] RIP: 0010:[<ffffffff810d838c>] [<ffffffff810d838c>] pmd_val+0x8/0x8 [ 10.581228] RSP: 0018:ffff880214a57d10 EFLAGS: 00010203 [ 10.581274] RAX: 0000000000000001 RBX: ffff880214ac0c20 RCX: dead000000200200 [ 10.581321] RDX: 0000000000000072 RSI: ffff880212dfbf78 RDI: 0000000000000028 [ 10.581368] RBP: 0000000000000000 R08: 00007f72e537a000 R09: ffffffffffffffff [ 10.581416] R10: ffff880212dfbfa8 R11: ffff880212dfbfa8 R12: ffff880212dfbf48 [ 10.581463] R13: ffff880212d38c20 R14: ffff880214aca938 R15: ffff880212d38c20 [ 10.581511] FS: 0000000000000000(0000) GS:ffff88021ec80000(0000) knlGS:0000000000000000 [ 10.581564] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 10.581610] CR2: 0000000000000028 CR3: 0000000214ac6000 CR4: 00000000001406e0 [ 10.581658] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 10.581704] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 [ 10.581752] Process udevd (pid: 582, threadinfo ffff880214a56000, task ffff8802143d8040) [ 10.581804] Stack: [ 10.581848] ffffffff810d952c ffff880212dfbf48 ffff880212dfbf48 ffff880214aca928 [ 10.582051] ffffffff810d968c ffffffffffffffff ffff880214aca8c8 0000000000000000 [ 10.582255] 0000000000000000 ffff880214a57dd0 00007f72e4f63000 ffff880214aca8c8 [ 10.582459] Call Trace: [ 10.582535] [<ffffffff810d952c>] ? __put_anon_vma+0x17/0x2f [ 10.582581] [<ffffffff810d968c>] ? unlink_anon_vmas+0xe5/0x138 [ 10.582629] [<ffffffff810cf4a7>] ? free_pgtables+0x60/0xbd [ 10.582676] [<ffffffff810d585e>] ? exit_mmap+0xb5/0xe9 [ 10.582724] [<ffffffff81036628>] ? should_resched+0x5/0x23 [ 10.582771] [<ffffffff81044b66>] ? mmput+0x56/0xf8 [ 10.582818] [<ffffffff81049ce7>] ? exit_mm+0x117/0x122 [ 10.582866] [<ffffffff8134f22f>] ? _raw_spin_lock_irq+0xa/0x14 [ 10.582913] [<ffffffff81049f37>] ? do_exit+0x245/0x713 [ 10.582960] [<ffffffff810d448e>] ? remove_vma+0x64/0x6b [ 10.583006] [<ffffffff810d564c>] ? do_munmap+0x2da/0x2f3 [ 10.583052] [<ffffffff8104a685>] ? do_group_exit+0x74/0x9e [ 10.583098] [<ffffffff8104a6be>] ? sys_exit_group+0xf/0xf [ 10.583145] [<ffffffff81354212>] ? system_call_fastpath+0x16/0x1b [ 10.583192] Code: 48 98 eb 06 45 31 f6 49 63 c6 48 83 c4 18 5b 5d 41 5c 41 5d 41 5e 41 5f c3 90 90 e8 b1 30 f5 ff 66 90 c3 48 89 f8 0f 1f 40 00 c3 <f0> ff 0f 0f 94 c0 84 c0 0f 95 c0 0f b6 c0 c3 f0 ff 07 0f 94 c0 [ 10.585743] RIP [<ffffffff810d838c>] pmd_val+0x8/0x8 [ 10.585827] RSP <ffff880214a57d10> [ 10.585872] CR2: 0000000000000028 [ 10.585917] BUG: unable to handle kernel [ 10.585921] ---[ end trace 384e0e4a0756f486 ]--- [ 10.585921] Fixing recursive fault but reboot is needed! [ 10.586123] NULL pointer dereference at 0000000000000028 [ 10.586207] IP: [<ffffffff810d838c>] pmd_val+0x8/0x8 [ 10.586293] PGD 0 [ 10.586376] Oops: 0002 [#2] SMP [ 10.586519] CPU 3 [ 10.586558] Modules linked in: pci_stub vboxpci(O) vboxnetadp(O) vboxnetflt(O) vboxdrv(O) nfsd nfs nfs_acl auth_rpcgss fscache lockd sunrpc fuse loop ecryptfs snd_hda_codec_hdmi joydev snd_hda_codec_realtek snd_hda_intel snd_hda_codec fglrx(P) snd_hwdep snd_pcm snd_page_alloc snd_seq snd_seq_device snd_timer snd shpchp evdev soundcore acpi_cpufreq mperf processor iTCO_wdt iTCO_vendor_support video button pcspkr parport_pc i2c_i801 parport coretemp i2c_core mxm_wmi crc32c_intel ghash_clmulni_intel wmi aesni_intel aes_x86_64 aes_generic cryptd psmouse serio_raw ext3 mbcache jbd sg sd_mod crc_t10dif usbhid hid thermal fan thermal_sys ahci libahci ehci_hcd xhci_hcd libata scsi_mod usbcore r8169 mii usb_common [last unloaded: scsi_wait_scan] [ 10.589646] [ 10.589691] Pid: 583, comm: udevd Tainted: P D IO 3.2.0-4-amd64 #1 Debian 3.2.51-1 MSI MS-7850/Z87-G41 PC Mate(MS-7850) [ 10.589860] RIP: 0010:[<ffffffff810d838c>] [<ffffffff810d838c>] pmd_val+0x8/0x8 [ 10.589950] RSP: 0018:ffff88021328bd10 EFLAGS: 00010203 [ 10.589997] RAX: 0000000000000001 RBX: ffff880214ac04e0 RCX: dead000000200200 [ 10.590044] RDX: 000000000000005f RSI: ffff880214a58f18 RDI: 0000000000000028 [ 10.590092] RBP: 0000000000000000 R08: 00007f72e516e000 R09: 0000000000000012 [ 10.590139] R10: ffff88021328bdd0 R11: ffff88021328bdd0 R12: ffff880214a58ee8 [ 10.590186] R13: ffff880212cd48e0 R14: ffff880214a5e5c8 R15: ffff880212cd48e0 [ 10.590234] FS: 0000000000000000(0000) GS:ffff88021ed80000(0000) knlGS:0000000000000000 [ 10.590286] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 10.590332] CR2: 0000000000000028 CR3: 0000000214da2000 CR4: 00000000001406e0 [ 10.590379] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 10.590426] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 [ 10.590484] Process udevd (pid: 583, threadinfo ffff88021328a000, task ffff880213289550) [ 10.590566] Stack: [ 10.590609] ffffffff810d952c ffff880214a58ee8 ffff880214a58ee8 ffff880214a5e5b8 [ 10.590814] ffffffff810d968c 0000000000000012 ffff880214a5e558 0000000000000000 [ 10.591018] 0000000000000000 ffff88021328bdd0 00007f72e4f63000 ffff880214a5e558 [ 10.591221] Call Trace: [ 10.591267] [<ffffffff810d952c>] ? __put_anon_vma+0x17/0x2f [ 10.591314] [<ffffffff810d968c>] ? unlink_anon_vmas+0xe5/0x138 [ 10.591362] [<ffffffff810cf4a7>] ? free_pgtables+0x60/0xbd [ 10.591410] [<ffffffff810d585e>] ? exit_mmap+0xb5/0xe9 [ 10.591456] [<ffffffff81036628>] ? should_resched+0x5/0x23 [ 10.591504] [<ffffffff81044b66>] ? mmput+0x56/0xf8 [ 10.591551] [<ffffffff81049ce7>] ? exit_mm+0x117/0x122 [ 10.591599] [<ffffffff8134f22f>] ? _raw_spin_lock_irq+0xa/0x14 [ 10.591646] [<ffffffff81049f37>] ? do_exit+0x245/0x713 [ 10.591693] [<ffffffff810d448e>] ? remove_vma+0x64/0x6b [ 10.591740] [<ffffffff810d564c>] ? do_munmap+0x2da/0x2f3 [ 10.591787] [<ffffffff8104a685>] ? do_group_exit+0x74/0x9e [ 10.591833] [<ffffffff8104a6be>] ? sys_exit_group+0xf/0xf [ 10.591880] [<ffffffff81354212>] ? system_call_fastpath+0x16/0x1b [ 10.591927] Code: 48 98 eb 06 45 31 f6 49 63 c6 48 83 c4 18 5b 5d 41 5c 41 5d 41 5e 41 5f c3 90 90 e8 b1 30 f5 ff 66 90 c3 48 89 f8 0f 1f 40 00 c3 <f0> ff 0f 0f 94 c0 84 c0 0f 95 c0 0f b6 c0 c3 f0 ff 07 0f 94 c0 [ 10.594478] RIP [<ffffffff810d838c>] pmd_val+0x8/0x8 [ 10.594583] RSP <ffff88021328bd10> [ 10.594628] CR2: 0000000000000028 [ 10.594689] ---[ end trace 384e0e4a0756f487 ]--- [ 10.594745] Fixing recursive fault but reboot is needed! -- To UNSUBSCRIBE, email to debian-bugs-dist-requ...@lists.debian.org with a subject of "unsubscribe". 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