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References: <20140131083707.GA9968@oktetlabs.ru>
From: Bjorn Helgaas <bhelgaas@google.com>
Date: Fri, 31 Jan 2014 11:29:39 -0700
Message-ID: <CAErSpo6PaX2BcTqF4GD5ez3wDaPizUCNZJEjy_5EozAd3epoaA@mail.gmail.com>
Subject: Re: 3.13.0: crash on boot
To: "Alexandra N. Kossovsky" <Alexandra.Kossovsky@oktetlabs.ru>
Cc: "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
        Matt Fleming <matt.fleming@intel.com>,
        Matthew Garrett <matthew.garrett@nebula.com>
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[+cc Matt and Matthew; maybe EFI related?]

On Fri, Jan 31, 2014 at 1:37 AM, Alexandra N. Kossovsky
<Alexandra.Kossovsky@oktetlabs.ru> wrote:
> Hello.
>
> I've got 3.13.0 kernel creshed on boot.  A lot of debug options are on.
> Crash:
> BUG: unable to handle kernel paging request at 000000012a53f020
> IP: [<00000000cf038cc6>] 0xcf038cc6
> PGD 2962067 PUD 2965067 PMD 12fe8f067 PTE 800000012a53f962
> Oops: 0000 [#1] SMP
> Modules linked in:
> CPU: 0 PID: 0 Comm: swapper/0 Not tainted 3.13.0-debug-amd64 #2
> Hardware name: Supermicro X9SCL/X9SCM/X9SCL/X9SCM, BIOS 2.0b 09/17/2012
> task: ffffffff81a134c0 ti: ffffffff81a00000 task.ti: ffffffff81a00000
> RIP: 0010:[<00000000cf038cc6>]  [<00000000cf038cc6>] 0xcf038cc6
> RSP: 0000:ffffffff81a01de0  EFLAGS: 00010083
> RAX: 8000000000000000 RBX: 000000012a53f000 RCX: 0000000000000690
> RDX: 000000012a53f000 RSI: 00000000cefbff18 RDI: 00000000cf037af4
> RBP: 0000000000000690 R08: 0000000000000001 R09: 000000012a53f000
> R10: ffff88012a409e80 R11: 0000000000000000 R12: 00000000cefbfe18
> R13: 0000000000000001 R14: 0000000000000690 R15: 000000012a53f000
> FS:  0000000000000000(0000) GS:ffff88012a800000(0000) knlGS:0000000000000000
> CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
> CR2: ffff88012a44cc58 CR3: 0000000001a0c000 CR4: 00000000000406b0
> DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
> DR3: 0000000000000000 DR6: 00000000ffff4ff0 DR7: 0000000000000400
> Stack:
>  ffffffff810bcf17 ffffffff81a01ee8 ffffffff81306a4a 0000000000000000
>  00000000cf046a50 00000000cf038f36 00000000cefbfca0 0000000000000001
>  0000000000000800 ffff88012fe8f040 800000012a408963 ffffffff81a01ee8
> Call Trace:
>  [<ffffffff810bcf17>] ? trace_hardirqs_off_caller+0x87/0x120
>  [<ffffffff81306a4a>] ? trace_hardirqs_off_thunk+0x3a/0x3c
>  [<ffffffff81064406>] ? efi_call4+0x46/0x80
>  [<ffffffff81cc4766>] ? efi_enter_virtual_mode+0x20b/0x3a5
>  [<ffffffff81ca8e53>] ? start_kernel+0x3b3/0x443
>  [<ffffffff81ca88a9>] ? repair_env_string+0x5c/0x5c
>  [<ffffffff81ca8120>] ? early_idt_handlers+0x120/0x120
>  [<ffffffff81ca8556>] ? x86_64_start_reservations+0x2a/0x2c
>  [<ffffffff81ca869b>] ? x86_64_start_kernel+0x143/0x152
> Code:  Bad RIP value.
> RIP  [<00000000cf038cc6>] 0xcf038cc6
>  RSP <ffffffff81a01de0>
> CR2: 000000012a53f020
> ---[ end trace 2fc4d26cbb5bd681 ]---
>
>
> Kernel config and full kernel output before the crash are attached.
>
>
> --
> Alexandra N. Kossovsky
> OKTET Labs (http://www.oktetlabs.ru/)
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