From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail172.messagelabs.com (mail172.messagelabs.com [216.82.254.3]) by kanga.kvack.org (Postfix) with ESMTP id 7599E6B0087 for ; Wed, 22 Dec 2010 10:37:27 -0500 (EST) Received: by iwn40 with SMTP id 40so5496606iwn.14 for ; Wed, 22 Dec 2010 07:37:11 -0800 (PST) MIME-Version: 1.0 In-Reply-To: <1293020757.1998.2.camel@localhost.localdomain> References: <1293020757.1998.2.camel@localhost.localdomain> Date: Thu, 23 Dec 2010 00:37:11 +0900 Message-ID: Subject: Re: 2.6.37-rc7: NULL pointer dereference From: Minchan Kim Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable Sender: owner-linux-mm@kvack.org To: Thomas Meyer Cc: Linux Kernel Mailing List , linux-mm , KAMEZAWA Hiroyuki , Balbir Singh List-ID: Cced linux-mm and maintainers of memcg. On Wed, Dec 22, 2010 at 9:25 PM, Thomas Meyer wrote: > BUG: unable to handle kernel NULL pointer dereference at 00000008 > IP: [] __mem_cgroup_try_charge+0x234/0x430 > *pde =3D 00000000 > Oops: 0000 [#1] > last sysfs file: /sys/devices/platform/regulatory.0/uevent > Modules linked in: vfat fat usb_storage fuse sco bnep l2cap bluetooth cpu= freq_ondemand acpi_cpufreq mperf ip6t_REJECT nf_conntrack_ipv6 nf_defrag_ip= v6 ip6table_filter ip6_tables kvm_intel kvm uinput arc4 ecb snd_hda_codec_h= dmi snd_hda_codec_realtek iwlagn snd_hda_intel snd_hda_codec iwlcore uvcvid= eo snd_hwdep mac80211 snd_seq videodev snd_seq_device snd_pcm cfg80211 snd_= timer rfkill v4l1_compat wmi snd pcspkr soundcore joydev serio_raw snd_page= _alloc ipv6 sha256_generic aes_i586 aes_generic cbc dm_crypt [last unloaded= : scsi_wait_scan] > Pid: 8058, comm: swapoff Tainted: G =A0 =A0 =A0 =A0 =A0I 2.6.37-rc7 #221 = JM11-MS/Aspire 1810T > EIP: 0060:[] EFLAGS: 00010246 CPU: 0 > EIP is at __mem_cgroup_try_charge+0x234/0x430 > EAX: 00000008 EBX: 00000000 ECX: f2e71f10 EDX: f2f96380 > ESI: f3e55860 EDI: 00020000 EBP: f2e71eb4 ESP: f2e71e54 > =A0DS: 007b ES: 007b FS: 0000 GS: 00e0 SS: 0068 > Process swapoff (pid: 8058, ti=3Df2e70000 task=3Df3e55860 task.ti=3Df2e70= 000) > Stack: > =A0f2e71e88 c0456607 26ba7c1c f3e55860 00000010 f3e55860 069d208a b2ee651= d > =A000000008 000000d0 f2f96380 00000005 01ffffff f2e71f10 00000246 ec1a64a= e > =A0ffffffff 00000000 27b52eae f044dc84 00000000 f2f96380 00000000 000000d= 0 > Call Trace: > =A0[] ? ktime_get_ts+0x107/0x140 > =A0[] ? mem_cgroup_try_charge_swapin+0x49/0xb0 > =A0[] ? unuse_mm+0x1db/0x300 > =A0[] ? sys_swapoff+0x2aa/0x890 > =A0[] ? audit_syscall_entry+0x218/0x240 > =A0[] ? audit_syscall_exit+0x1f3/0x220 > =A0[] ? sysenter_do_call+0x12/0x22 > Code: 55 c8 8b 82 90 01 00 00 85 c0 74 09 8b 80 7c 03 00 00 8b 58 2c 3b 1= d 54 20 a9 c0 74 61 3b 1d 4c ca a4 c0 74 6a 8d 43 08 89 45 c0 <8b> 43 08 a8= 01 0f 85 73 fe ff ff 8d 4b 04 89 5d bc 8d 76 00 8b > EIP: [] __mem_cgroup_try_charge+0x234/0x430 SS:ESP 0068:f2e71e5= 4 > CR2: 0000000000000008 > > > -- > To unsubscribe from this list: send the line "unsubscribe linux-kernel" i= n > the body of a message to majordomo@vger.kernel.org > More majordomo info at =A0http://vger.kernel.org/majordomo-info.html > Please read the FAQ at =A0http://www.tux.org/lkml/ > --=20 Kind regards, Minchan Kim -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Fight unfair telecom policy in Canada: sign http://dissolvethecrtc.ca/ Don't email: email@kvack.org