From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752668AbaE0OAw (ORCPT ); Tue, 27 May 2014 10:00:52 -0400 Received: from mail-lb0-f181.google.com ([209.85.217.181]:32947 "EHLO mail-lb0-f181.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751749AbaE0OAv (ORCPT ); Tue, 27 May 2014 10:00:51 -0400 Message-ID: <53849AF5.8040904@gmail.com> Date: Tue, 27 May 2014 16:02:29 +0200 From: Francis Moreau User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.5.0 MIME-Version: 1.0 To: Matt Fleming CC: Borislav Petkov , LKML , linux-efi Subject: Re: kernel 3.14.2 oops: seems related to EFI References: <53777F7B.8060407@gmail.com> <20140518134206.GA8040@pd.tnic> <5379AE46.3000407@gmail.com> <20140520115421.GH4798@console-pimps.org> In-Reply-To: <20140520115421.GH4798@console-pimps.org> Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 05/20/2014 01:54 PM, Matt Fleming wrote: > On Mon, 19 May, at 09:09:58AM, Francis Moreau wrote: >> >> I don't know, I can't really afford to configure/compile/test this new >> kernel, sorry. > > It would be useful to know whether this issue still occurs when booting > with the efi=old_map kernel parameter. > the bug triggered: [ +0.002872] BUG: unable to handle kernel paging request at fffffffefd4a1e60 [ +0.000066] IP: [] virt_efi_get_variable+0x48/0x80 [ +0.000054] PGD 280f067 PUD 0 [ +0.000031] Oops: 0000 [#1] PREEMPT SMP [ +0.000039] Modules linked in: tun ses enclosure usb_storage loop fuse joydev coretemp hwmon arc4 nls_iso8859_1 nls_c [ +0.000691] ac ext4 crc16 mbcache jbd2 hid_generic usbhid hid bcache sd_mod sr_mod crc_t10dif cdrom crct10dif_common [ +0.000289] CPU: 7 PID: 23293 Comm: systemd-udevd Tainted: G W 3.14.4-1-ARCH #1 [ +0.000057] Hardware name: CLEVO CO. W55xEU /W55xEU [ +0.000087] task: ffff88039557bae0 ti: ffff8802de764000 task.ti: ffff8802de764000 [ +0.000050] RIP: 0010:[] [] virt_efi_get_variable+0x48/0x80 [ +0.000064] RSP: 0018:ffff8802de765e58 EFLAGS: 00010082 [ +0.000037] RAX: fffffffefd4a1e18 RBX: ffff8800da88f000 RCX: 0000000000000000 [ +0.000048] RDX: ffff8800da88f400 RSI: ffff8800da88f000 RDI: 00000000ffffffff [ +0.000048] RBP: ffff8802de765e80 R08: ffff8802de765ec0 R09: 0000000000000000 [ +0.000047] R10: 0000000000000000 R11: 0000000000000246 R12: ffff8800da88f400 [ +0.000048] R13: 0000000000000000 R14: ffff8802de765ec0 R15: 0000000000000000 [ +0.000048] FS: 00007f10751057c0(0000) GS:ffff88041e3c0000(0000) knlGS:0000000000000000 [ +0.000054] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ +0.000040] CR2: fffffffefd4a1e60 CR3: 00000003c4afa000 CR4: 00000000001407e0 [ +0.000048] Stack: [ +0.000016] ffff8800da88f000 ffff8802de765ec0 ffffffff81b27c20 ffff8802de765f48 [ +0.000060] 3bc93ec9a0004bba ffff8802de765ea8 ffffffff813dbc91 ffff8800da88f000 [ +0.000060] 00007fffdc30c104 0000000000000004 ffff8802de765ef8 ffffffff81245779 [ +0.000060] Call Trace: [ +0.000025] [] efivar_entry_size+0x41/0x80 [ +0.000044] [] efivarfs_file_read+0x49/0x100 [ +0.000044] [] vfs_read+0x97/0x160 [ +0.000037] [] SyS_read+0x59/0xd0 [ +0.000039] [] system_call_fastpath+0x16/0x1b [ +0.000041] Code: ce 4d 89 c7 e8 9a 06 00 00 65 ff 04 25 a0 c7 00 00 48 8b 05 1b d4 86 00 4d 89 f9 4d 89 f0 4c 89 e9 [ +0.000335] RIP [] virt_efi_get_variable+0x48/0x80 [ +0.000049] RSP [ +0.000026] CR2: fffffffefd4a1e60 [ +0.016781] ---[ end trace 5a7017feeac75345 ]--- the sad thing is tht my system can't shutdown properly when it happens.