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From: Bjorn Helgaas <bhelgaas@google.com>
Date: Fri, 14 Jun 2013 08:30:29 -0600
Message-ID: <CAErSpo5nxKi+dNDRn95GtufddncnsC2VyP+NWa=QBMt0aH3AoA@mail.gmail.com>
Subject: Re: BUG: unable to handle kernel NULL pointer dereference at 0000000000000040
To: nirinA raseliarison <nirina.raseliarison@gmail.com>
Cc: "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
        Francois Romieu <romieu@fr.zoreil.com>, nic_swsd@realtek.com,
        Ming Lei <ming.lei@canonical.com>, Hayes Wang <hayeswang@realtek.com>
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[+cc Ming, Hayes, Francois, r8169 list]

On Fri, Jun 14, 2013 at 6:49 AM, nirinA raseliarison
<nirina.raseliarison@gmail.com> wrote:
> hello there,
> i have this ethernet controler:
>
>  Realtek Semiconductor Co., Ltd. RTL8101E/RTL8102E PCI Express Fast Ethernet
> controller (rev 05)
>
> that uses the r8169 module.
> it works fine, but sometimes after a reboot and issueing:
>
>  ifconfig eth0 192.168.1.1 up
>
> i got the message below. after another reboot the
> message disappears. i also get the same message this 3.9.5 and 3.9.4.
>
> it seems i catch my first oops and don't know what to do with it.
> currently running:
>
>  cat /proc/version
>  Linux version 3.9.6.20130614 (root@supernova) (gcc version 4.8.1 (GCC) ) #1
> SMP Fri Jun 14 09:14:50 EAT 2013
>
>  uname -a
>  Linux supernova 3.9.6.20130614 #1 SMP Fri Jun 14 09:14:50 EAT 2013 x86_64
> Intel(R) Celeron(R) CPU G1610 @ 2.60GHz GenuineIntel GNU/Linux
>
> thanks,
> -----------------8<------------------------------8<---------------------------------------
>
> [   57.877560] BUG: unable to handle kernel NULL pointer dereference at
> 0000000000000040
> [   57.877603] IP: [<ffffffff81491844>] fw_load_abort.isra.5+0x4/0x20
> [   57.877634] PGD 21330a067 PUD 211a3a067 PMD 0
> [   57.877660] Oops: 0002 [#1] SMP
> [   57.877681] Modules linked in: fuse coretemp kvm_intel kvm evdev r8169
> microcode mii
> [   57.877735] CPU 0
> [   57.877746] Pid: 1950, comm: firmware Not tainted 3.9.6.20130614 #1 To be
> filled by O.E.M. To be filled by O.E.M./ONDA H61V Ver:4.01
> [   57.877790] RIP: 0010:[<ffffffff81491844>]  [<ffffffff81491844>]
> fw_load_abort.isra.5+0x4/0x20
> [   57.877824] RSP: 0018:ffff8802119a7e80  EFLAGS: 00010246
> [   57.877844] RAX: ffff8802158fe250 RBX: ffff880211a03b40 RCX:
> 0000000000000000
> [   57.877869] RDX: ffffffff81c742c8 RSI: ffff8802158fe250 RDI:
> 0000000000000000
> [   57.877895] RBP: ffff8802119a7e80 R08: ffff8802119a6000 R09:
> 00000000000005aa
> [   57.877920] R10: 0000000000000000 R11: 0000000000000000 R12:
> ffffffffffffffff
> [   57.877945] R13: ffff880213d34088 R14: 0000000000000003 R15:
> ffff88020eafc230
> [   57.877970] FS:  00007f3c6cb2a740(0000) GS:ffff88021f200000(0000)
> knlGS:0000000000000000
> [   57.877998] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
> [   57.878019] CR2: 0000000000000040 CR3: 0000000203155000 CR4:
> 00000000001407f0
> [   57.878044] DR0: 0000000000000000 DR1: 0000000000000000 DR2:
> 0000000000000000
> [   57.878069] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7:
> 0000000000000400
> [   57.878094] Process firmware (pid: 1950, threadinfo ffff8802119a6000,
> task ffff8802158fe250)
> [   57.878124] Stack:
> [   57.878133]  ffff8802119a7eb0 ffffffff81491917 ffff880211a4d5a0
> 0000000000000003
> [   57.878168]  ffff8802119a7f50 ffffffff818765a0 ffff8802119a7ec0
> ffffffff81483063
> [   57.878203]  ffff8802119a7f08 ffffffff8119bc9e ffff880213d34098
> ffff880211a4d5c0
> [   57.878237] Call Trace:
> [   57.878251]  [<ffffffff81491917>] firmware_loading_store+0x77/0x150
> [   57.878275]  [<ffffffff81483063>] dev_attr_store+0x13/0x20
> [   57.878297]  [<ffffffff8119bc9e>] sysfs_write_file+0xce/0x140
> [   57.878320]  [<ffffffff81133e8a>] vfs_write+0x9a/0x160
> [   57.878340]  [<ffffffff81134164>] sys_write+0x44/0x90
> [   57.878360]  [<ffffffff817d70ed>] system_call_fastpath+0x1a/0x1f
> [   57.879379] Code: 6b ff ff ff 48 89 df 31 db e8 b9 b0 c9 ff e9 79 ff ff
> ff 0f 1f 40 00 48 83 c4 10 5b 41 5c 41 5d 41 5e 5d c3 0f 1f 00 55 48 89 e5
> <f0> 80 4f 40 04 48 83 c7 18 e8 8e a9 bd ff 5d c3 66 66 66 2e 0f
> [   57.881753] RIP  [<ffffffff81491844>] fw_load_abort.isra.5+0x4/0x20
> [   57.882888]  RSP <ffff8802119a7e80>
> [   57.884019] CR2: 0000000000000040
> [   57.885166] ---[ end trace 6705f6d4ce6b6a12 ]---
>
> --
> nirinA
> --
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