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Subjectoops on kernel 3.14.17 seems related to EFI
Hello,

Another day, another oops...

[ +0.055412] BUG: unable to handle kernel NULL pointer dereference at
(null)
[ +0.000062] IP: [< (null)>] (null)
[ +0.000034] PGD 2b3c067 PUD 2b3d067 PMD 2b3e067 PTE 8000000000000163
[ +0.000047] Oops: 0011 [#1] SMP
[ +0.000027] Modules linked in: btrfs raid6_pq xor ses enclosure
usb_storage tun loop joydev fuse coretemp hwmon arc4 iwldvm led_class
intel_rapl x86_pkg_temp_thermal intel_powerclamp kvm_intel kvm
nls_iso8859_1 mac80211 nls_cp437 crct10d
[ +0.000574] ac processor mac_hid nfs lockd sunrpc fscache ext4 crc16
mbcache jbd2 hid_generic usbhid hid bcache sd_mod sr_mod crc_t10dif
cdrom crct10dif_common rtsx_pci_sdmmc mmc_core atkbd libps2 ahci libahci
ehci_pci libata xhci_hcd e
[ +0.000274] CPU: 3 PID: 12321 Comm: systemd-udevd Not tainted
3.14.17-1-lts #1
[ +0.000044] Hardware name: CLEVO CO. W55xEU
/W55xEU , BIOS 4.6.5
03/05/2013
[ +0.000077] task: ffff8803a9ef60e0 ti: ffff8800b4000000 task.ti:
ffff8800b4000000
[ +0.000045] RIP: 0010:[<0000000000000000>] [< (null)>]
(null)
[ +0.000046] RSP: 0018:ffff8800b4001da8 EFLAGS: 00010002
[ +0.000032] RAX: 0000000080050033 RBX: ffff880406288000 RCX:
ffff880406288000
[ +0.000041] RDX: ffff880406288400 RSI: ffff880406288000 RDI:
0000000000000000
[ +0.000042] RBP: ffff8800b4001e80 R08: 0000000000000000 R09:
ffff8800b4001ec0
[ +0.000042] R10: 0000000000000000 R11: 0000000000000246 R12:
ffff880406288400
[ +0.000042] R13: 0000000000000000 R14: ffff8800b4001ec0 R15:
000000000009b000
[ +0.000042] FS: 00007f7720a567c0(0000) GS:ffff88041e2c0000(0000)
knlGS:0000000000000000
[ +0.000048] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ +0.000034] CR2: 0000000000000000 CR3: 000000000009b000 CR4:
00000000001427e0
[ +0.000042] Stack:
[ +0.000014] ffffffff81063281 ffffffff811bd95c 0000000000000246
ffff8800da9e6628
[ +0.000052] 8000000300000000 0000000000000000 0000000000000000
ffff8800b4001e50
[ +0.000051] 0000000080050033 00007f7722abbc50 00007f7722abbb50
00ffffffffffffff
[ +0.000052] Call Trace:
[ +0.000022] [<ffffffff81063281>] ? efi_call5+0x71/0xf0
[ +0.000035] [<ffffffff811bd95c>] ? getname_flags+0x2c/0x130
[ +0.000037] [<ffffffff81062649>] ? virt_efi_get_variable+0x49/0x60
[ +0.000051] [<ffffffff813d0181>] efivar_entry_size+0x41/0x80
[ +0.000030] [<ffffffff8123aec9>] efivarfs_file_read+0x49/0x100
[ +0.000046] [<ffffffff811b2077>] vfs_read+0x97/0x160
[ +0.000041] [<ffffffff811b2bc9>] SyS_read+0x59/0xd0
[ +0.000041] [<ffffffff81509e29>] system_call_fastpath+0x16/0x1b
[ +0.000035] Code: Bad RIP value.
[ +0.000026] RIP [< (null)>] (null)
[ +0.000033] RSP <ffff8800b4001da8>
[ +0.000022] CR2: 0000000000000000
[ +0.015070] ---[ end trace 9b69115f973204df ]---

Thanks for any helps.


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