From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932836Ab1IOKrY (ORCPT ); Thu, 15 Sep 2011 06:47:24 -0400 Received: from krak.alatek.krakow.pl ([46.170.108.42]:3635 "EHLO krak.alatek.krakow.pl" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932575Ab1IOKrW convert rfc822-to-8bit (ORCPT ); Thu, 15 Sep 2011 06:47:22 -0400 From: Pawel Sikora To: Lin Ming Cc: Andrew Morton , Eric Dumazet , Linus Torvalds , linux-kernel , Andrew Morton , Toshiyuki Okajima , Dave Chinner , Hugh Dickins , Justin Piszcz Subject: Re: [BUG] infinite loop in find_get_pages() Date: Thu, 15 Sep 2011 12:47:12 +0200 Message-ID: <3669551.Uo4Qe4YO2W@pawels> User-Agent: KMail/4.7.1 (Linux/3.0.4-2; KDE/4.7.1; x86_64; ; ) In-Reply-To: References: <1315941801.2565.19.camel@edumazet-laptop> <20110913165344.1d800582.akpm@google.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8BIT Content-Type: text/plain; charset="utf-8" Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wednesday 14 of September 2011 08:34:21 Lin Ming wrote: > [3.0.2-stable] BUG: soft lockup - CPU#13 stuck for 22s! [kswapd2:1092] > http://marc.info/?l=linux-kernel&m=131469584117857&w=2 Hi, i'm not sure that this is fully related to this thread but i've found new warnings about memory pages in dmesg today: [650697.716481] ------------[ cut here ]------------ [650697.716498] WARNING: at mm/page-writeback.c:1176 __set_page_dirty_nobuffers+0x10a/0x140() [650697.716501] Hardware name: H8DGU [650697.716502] Modules linked in: nfs fscache binfmt_misc nfsd lockd nfs_acl auth_rpcgss sunrpc ipmi_si ipmi_devintf ipmi_msghandler sch_sfq iptable_nat nf_nat nf_conntrack_ipv4 nf_conntrack nf_defrag_ipv4 iptable_filter xt_TCPMSS xt_tcpudp iptable_mangle ip_tables ip6table_filter ip6_tables x_tables ext4 jbd2 crc16 raid10 raid0 dm_mod uvesafb autofs4 dummy aoe joydev usbhid hid ide_cd_mod cdrom ata_generic pata_acpi pata_atiixp sp5100_tco ohci_hcd ide_pci_generic ssb ehci_hcd pcmcia igb pcmcia_core psmouse mmc_core evdev i2c_piix4 atiixp ide_core k10temp usbcore amd64_edac_mod edac_core i2c_core dca hwmon edac_mce_amd ghes serio_raw button hed processor pcspkr sg sd_mod crc_t10dif raid1 md_mod ext3 jbd mbcache ahci libahci libata scsi_mod [last unloaded: scsi_wait_scan] [650697.716569] Pid: 16806, comm: m_xilinx Not tainted 3.0.4 #5 [650697.716572] Call Trace: [650697.716582] [] warn_slowpath_common+0x7a/0xb0 [650697.716586] [] warn_slowpath_null+0x15/0x20 [650697.716590] [] __set_page_dirty_nobuffers+0x10a/0x140 [650697.716596] [] migrate_page_copy+0x1c8/0x1d0 [650697.716600] [] migrate_page+0x35/0x50 [650697.716623] [] nfs_migrate_page+0x59/0xf0 [nfs] [650697.716627] [] move_to_new_page+0xa9/0x260 [650697.716630] [] migrate_pages+0x3fd/0x4c0 [650697.716635] [] ? apic_timer_interrupt+0xe/0x20 [650697.716641] [] ? ftrace_define_fields_mm_compaction_isolate_template+0x70/0x70 [650697.716645] [] compact_zone+0x52a/0x8c0 [650697.716649] [] compact_zone_order+0x7e/0xb0 [650697.716653] [] try_to_compact_pages+0xbd/0xf0 [650697.716657] [] __alloc_pages_direct_compact+0xa8/0x180 [650697.716661] [] __alloc_pages_nodemask+0x66d/0x7f0 [650697.716667] [] ? page_add_new_anon_rmap+0x9d/0xb0 [650697.716671] [] alloc_pages_vma+0x95/0x180 [650697.716676] [] do_huge_pmd_anonymous_page+0x138/0x310 [650697.716680] [] handle_mm_fault+0x21e/0x310 [650697.716685] [] do_page_fault+0x11d/0x4e0 [650697.716688] [] ? do_mmap_pgoff+0x357/0x370 [650697.716692] [] ? sys_mmap_pgoff+0x14d/0x220 [650697.716697] [] ? do_sys_open+0x168/0x1d0 [650697.716701] [] page_fault+0x1f/0x30 [650697.716704] ---[ end trace 4255de435c6def21 ]--- BR, Paweł.