Control: tag -1 moreinfo On Thu, 2014-02-06 at 21:56 -0500, Stephen Powell wrote: > Package: linux > Version: 3.11.10-1 > > [38587.355263] BUG: unable to handle kernel paging request at 000008000000001c
Looks like a bit flip to me (0 turned to 0x80000000000 and then treated as a real pointer). Did you run memtest86+ or other memory test yet? Ben. > [38587.355328] IP: [<ffffffff8110b149>] find_get_page+0x29/0x90 > [38587.355382] PGD 0 > [38587.355401] Oops: 0000 [#1] SMP > [38587.355430] Modules linked in: tun bnep rfcomm bluetooth rfkill parport_pc > ppdev lp parport nfsd auth_rpcgss oid_registry nfs_acl nfs lockd fscache > sunrpc fuse loop usb_storage ata_generic snd_hda_codec_realtek kvm > crc32c_intel ghash_clmulni_intel aesni_intel aes_x86_64 ablk_helper cryptd > lrw gf128mul glue_helper evdev edac_mce_amd psmouse edac_core pcspkr radeon > serio_raw fam15h_power k10temp sp5100_tco ttm drm_kms_helper drm i2c_algo_bit > wmi button snd_hda_intel sg snd_hda_codec acpi_cpufreq snd_hwdep mperf > snd_pcm processor snd_page_alloc snd_seq snd_seq_device snd_timer sr_mod > ohci_pci cdrom ohci_hcd snd pata_atiixp i2c_piix4 ehci_pci ehci_hcd i2c_core > usbcore alx thermal_sys shpchp usb_common soundcore > mdio ext4 crc16 mbcache jbd2 sd_mod crc_t10dif ahci libahci libata scsi_mod > microcode > [38587.356087] CPU: 2 PID: 4050 Comm: hercules Not tainted 3.11-2-amd64 #1 > Debian 3.11.10-1 > [38587.356151] Hardware name: Gigabyte Technology Co., Ltd. > GA-78LMT-S2P/GA-78LMT-S2P, BIOS F3 10/18/2012 > [38587.356223] task: ffff8801f42b1140 ti: ffff8801f436c000 task.ti: > ffff8801f436c000 > [38587.356281] RIP: 0010:[<ffffffff8110b149>] [<ffffffff8110b149>] > find_get_page+0x29/0x90 > [38587.356348] RSP: 0018:ffff8801f436dd80 EFLAGS: 00010246 > [38587.356390] RAX: ffff880101caf718 RBX: ffff8801e06379f8 RCX: > 00000000fffffffa > [38587.356445] RDX: 0000080000000000 RSI: 00000000000444c4 RDI: > 0000000000000000 > [38587.356499] RBP: 00000000000444c4 R08: 0000080000000000 R09: > ffff880101caf718 > [38587.356554] R10: 0000000000000006 R11: 0000000000000293 R12: > 000000000000000e > [38587.356608] R13: ffffea0000c3b920 R14: 0000000000000000 R15: > ffff8801f4233580 > [38587.356664] FS: 00007f2c70237700(0000) GS:ffff88020fc80000(0000) > knlGS:0000000000000000 > [38587.356726] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 > [38587.356770] CR2: 000008000000001c CR3: 00000001f434c000 CR4: > 00000000000407e0 > [38587.356825] Stack: > [38587.356842] ffff8801e06379f0 00000000000444c4 ffffffff8110c720 > ffff8801e06378a0 > [38587.356904] 0000000000000000 ffff8801f42335f8 00000000000444d2 > 00000000810abac2 > [38587.356965] 00000000000444c3 00000000000444c4 0000000000000000 > ffff8801f436de68 > [38587.357027] Call Trace: > [38587.357053] [<ffffffff8110c720>] ? generic_file_aio_read+0x250/0x6f0 > [38587.357108] [<ffffffff81169527>] ? do_sync_read+0x67/0x90 > [38587.357154] [<ffffffff81169ab4>] ? vfs_read+0x94/0x160 > [38587.357199] [<ffffffff8116a5a3>] ? SyS_read+0x43/0xa0 > [38587.357244] [<ffffffff81481469>] ? system_call_fastpath+0x16/0x1b > [38587.357291] Code: 00 00 55 48 89 f5 53 48 8d 5f 08 48 89 ee 48 89 df e8 ac > e5 14 00 48 85 c0 49 89 c1 74 34 48 8b 10 48 85 d2 74 26 f6 c2 03 75 45 <8b> > 4a 1c 85 c9 74 d9 8d 71 01 48 8d 7a 1c 89 c8 f0 0f b1 72 1c > [38587.357502] RIP [<ffffffff8110b149>] find_get_page+0x29/0x90 > [38587.357551] RSP <ffff8801f436dd80> > [38587.360506] CR2: 000008000000001c > [38587.363626] ---[ end trace a69c5e0ca2716703 ]--- > > -- > .''`. Stephen Powell > : :' : > `. `'` > `- > > -- Ben Hutchings It is a miracle that curiosity survives formal education. - Albert Einstein
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