From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932560Ab2C1SSY (ORCPT ); Wed, 28 Mar 2012 14:18:24 -0400 Received: from mx1.redhat.com ([209.132.183.28]:25390 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932411Ab2C1SSW (ORCPT ); Wed, 28 Mar 2012 14:18:22 -0400 Date: Wed, 28 Mar 2012 14:18:20 -0400 From: Dave Jones To: Linux Kernel Subject: BUG: sleeping function called from invalid context at fs/proc/task_mmu.c:826 Message-ID: <20120328181820.GB14224@redhat.com> Mail-Followup-To: Dave Jones , Linux Kernel MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Just hit this on v3.3-7919-g6658a69 Dave BUG: sleeping function called from invalid context at fs/proc/task_mmu.c:826 in_atomic(): 1, irqs_disabled(): 0, pid: 15123, name: trinity INFO: lockdep is turned off. Pid: 15123, comm: trinity Not tainted 3.3.0+ #30 Call Trace: [] __might_sleep+0x145/0x200 [] ? pagemap_pte_range+0x67/0x340 [] pagemap_pte_range+0x12f/0x340 [] walk_page_range+0x389/0x520 [] pagemap_read+0x282/0x350 [] ? clear_refs_pte_range+0x180/0x180 [] ? get_vmalloc_info+0x110/0x110 [] ? pid_numa_maps_open+0x20/0x20 [] vfs_read+0xb3/0x180 [] sys_read+0x4d/0x90 [] system_call_fastpath+0x16/0x1b BUG: scheduling while atomic: trinity/15123/0x10000002 INFO: lockdep is turned off. Modules linked in: scsi_transport_iscsi ip6_queue ipt_ULOG nfnetlink dccp_ipv4 dccp bnep sctp l2tp_ppp l2tp_netlink l2tp_core binfmt_misc hidp can_bcm ip_queue rfcomm cmtp kernelcapi phonet bluetooth rfkill can_raw can pppoe pppox ppp_generic slhc irda crc_ccitt rds af_key rose ax25 af_802154 appletalk ipx p8022 psnap llc p8023 atm nfs fscache auth_rpcgss nfs_acl lockd ip6t_REJECT nf_conntrack_ipv6 nf_defrag_ipv6 xt_state nf_conntrack ip6table_filter ip6_tables btrfs zlib_deflate libcrc32c dm_mirror dm_region_hash dm_log raid0 snd_hda_codec_idt snd_hda_intel snd_hda_codec snd_hwdep snd_seq snd_seq_device snd_pcm coretemp snd_timer snd soundcore snd_page_alloc ppdev dcdbas microcode pcspkr serio_raw iTCO_wdt iTCO_vendor_support i2c_i801 tg3 parport_pc parport shpchp i5000_edac edac_core i5k_amb sunrpc firewire_ohci firewire_core crc_itu_t floppy nouveau ttm drm_kms_helper drm i2c_core mxm_wmi video wmi [last unloaded: scsi_wait_scan] Pid: 15123, comm: trinity Not tainted 3.3.0+ #30 Call Trace: [] __schedule_bug+0x80/0x85 [] __schedule+0x969/0x9d0 [] __cond_resched+0x18/0x30 [] _cond_resched+0x32/0x40 [] pagemap_pte_range+0x134/0x340 [] walk_page_range+0x389/0x520 [] pagemap_read+0x282/0x350 [] ? clear_refs_pte_range+0x180/0x180 [] ? get_vmalloc_info+0x110/0x110 [] ? pid_numa_maps_open+0x20/0x20 [] vfs_read+0xb3/0x180 [] sys_read+0x4d/0x90 [] system_call_fastpath+0x16/0x1b BUG: soft lockup - CPU#2 stuck for 22s! [trinity:15123] Modules linked in: tun scsi_transport_iscsi ip6_queue ipt_ULOG nfnetlink dccp_ipv4 dccp bnep sctp l2tp_ppp l2tp_netlink l2tp_core binfmt_misc hidp can_bcm ip_queue rfcomm cmtp kernelcapi phonet bluetooth rfkill can_raw can pppoe pppox ppp_generic slhc irda crc_ccitt rds af_key rose ax25 af_802154 appletalk ipx p8022 psnap llc p8023 atm nfs fscache auth_rpcgss nfs_acl lockd ip6t_REJECT nf_conntrack_ipv6 nf_defrag_ipv6 xt_state nf_conntrack ip6table_filter ip6_tables btrfs zlib_deflate libcrc32c dm_mirror dm_region_hash dm_log raid0 snd_hda_codec_idt snd_hda_intel snd_hda_codec snd_hwdep snd_seq snd_seq_device snd_pcm coretemp snd_timer snd soundcore snd_page_alloc ppdev dcdbas microcode pcspkr serio_raw iTCO_wdt iTCO_vendor_support i2c_i801 tg3 parport_pc parport shpchp i5000_edac edac_core i5k_amb sunrpc firewire_ohci firewire_core crc_itu_t floppy nouveau ttm drm_kms_helper drm i2c_core mxm_wmi video wmi [last unloaded: scsi_wait_scan] irq event stamp: 0 hardirqs last enabled at (0): [< (null)>] (null) hardirqs last disabled at (0): [] copy_process+0x6e8/0x19a0 softirqs last enabled at (0): [] copy_process+0x6e8/0x19a0 softirqs last disabled at (0): [< (null)>] (null) (and then shit really hit the fan, with it spewing that CPU stuck message for every CPU over and over)