From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1750893AbWD3DWv (ORCPT ); Sat, 29 Apr 2006 23:22:51 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1750894AbWD3DWv (ORCPT ); Sat, 29 Apr 2006 23:22:51 -0400 Received: from nproxy.gmail.com ([64.233.182.190]:21371 "EHLO nproxy.gmail.com") by vger.kernel.org with ESMTP id S1750815AbWD3DWu convert rfc822-to-8bit (ORCPT ); Sat, 29 Apr 2006 23:22:50 -0400 DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=beta; d=gmail.com; h=received:message-id:date:from:to:subject:mime-version:content-type:content-transfer-encoding:content-disposition; b=N4bJevP8mh+iSw5xwWXoEBJmz24F00izSx5kiD8WqiFBvrbnlhFpmAQBkvgsKyp1eDmfTM/BI01/aX07Po6NFQfQPBC9ZW2NiFnQJ8tSPUT17Tam1DR5fA59lQ/eRIMUGSfEPH2n1zjz1dmuDlAYzzlxY9luXVMXP7/5nqHDZkY= Message-ID: Date: Sat, 29 Apr 2006 22:22:48 -0500 From: "Noah Watkins" To: linux-kernel@vger.kernel.org Subject: [BUG] 2.6.15-rt16 __cache_alloc at mm/slab.c MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII; format=flowed Content-Transfer-Encoding: 7BIT Content-Disposition: inline Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org 2.6.15-rt16 compiled w/o SMP support has been working fine. On the same hardware (dual p3) with SMP compiled in I am getting BUGS. The computer boots fine, and the following (trace at end of email) occurs after I log into the computer over SSH. Specifically I am prompted for my password and immediately after I submit my password to SSH the box goes crazy. Hardware -------------- $ lspci 00:00.0 Host bridge: Broadcom (formerly ServerWorks) CNB20LE Host Bridge (rev 06) 00:00.1 Host bridge: Broadcom (formerly ServerWorks) CNB20LE Host Bridge (rev 06) 00:03.0 VGA compatible controller: ATI Technologies Inc Rage XL (rev 27) 00:04.0 Ethernet controller: Intel Corporation 82557/8/9 [Ethernet Pro 100] (rev 08) 00:06.0 Ethernet controller: Intel Corporation 82557/8/9 [Ethernet Pro 100] (rev 08) 00:0f.0 ISA bridge: Broadcom (formerly ServerWorks) OSB4 South Bridge (rev 51) 00:0f.1 IDE interface: Broadcom (formerly ServerWorks) OSB4 IDE Controller 00:0f.2 USB Controller: Broadcom (formerly ServerWorks) OSB4/CSB5 OHCI USB Controller (rev 04) 01:03.0 SCSI storage controller: Adaptec AIC-7892P U160/m (rev 02) Modules ------------- $ lsmod Module Size Used by md5 4352 1 ipv6 240352 14 nfs 106992 5 lockd 59400 2 nfs nfs_acl 3200 1 nfs sunrpc 136380 4 nfs,lockd,nfs_acl ohci_hcd 16516 0 floppy 59716 0 aic7xxx 173012 0 Config ------------ http://www.ittc.ku.edu/~nwatkins/configs/config-2.6.15-rt16-lkml-042906 Trace -------- [ 0.000000] Linux version 2.6.15-rt16y (nwatkins@kusp.ittc.ku.edu) (gcc version 3.4.4 20050721 (Red Hat 3.4.4-2)) #1 SMP PREEMPT Sat Apr 29 21:32:32 CDT 2006 [ 0.000000] BIOS-provided physical RAM map: [ 0.000000] BIOS-e820: 0000000000000000 - 000000000009fc00 (usable) [ 0.000000] BIOS-e820: 000000000009fc00 - 00000000000a0000 (reserved) [ 0.000000] BIOS-e820: 00000000000e0000 - 0000000000100000 (reserved) [ 0.000000] BIOS-e820: 0000000000100000 - 000000003fff0000 (usable) [ 0.000000] BIOS-e820: 000000003fff0000 - 000000003ffff000 (ACPI data) [ 0.000000] BIOS-e820: 000000003ffff000 - 0000000040000000 (ACPI NVS) [ 0.000000] BIOS-e820: 00000000fec00000 - 00000000fec02000 (reserved) [ 0.000000] BIOS-e820: 00000000fee00000 - 00000000fee01000 (reserved) [ 0.000000] BIOS-e820: 00000000fff80000 - 0000000100000000 (reserved) [ 0.000000] 127MB HIGHMEM available. [ 0.000000] 896MB LOWMEM available. [ 0.000000] found SMP MP-table at 000ff780 [ 0.000000] DMI 2.3 present. [ 0.000000] Intel MultiProcessor Specification v1.4 [ 0.000000] Virtual Wire compatibility mode. [ 0.000000] OEM ID: AMI Product ID: CNB30LE APIC at: 0xFEE00000 [ 0.000000] Processor #0 6:11 APIC version 17 [ 0.000000] Processor #1 6:11 APIC version 17 [ 0.000000] I/O APIC #4 Version 17 at 0xFEC00000. [ 0.000000] I/O APIC #5 Version 17 at 0xFEC01000. [ 0.000000] Enabling APIC mode: Flat. Using 2 I/O APICs [ 0.000000] Processors: 2 [ 0.000000] Allocating PCI resources starting at 50000000 (gap: 40000000:bec00000) [ 0.000000] Detected 1399.473 MHz processor. [ 58.037486] Real-Time Preemption Support (C) 2004-2005 Ingo Molnar [ 58.037518] Built 1 zonelists [ 58.037615] Kernel command line: ro root=LABEL=/1 acpi=off netconsole=4444@129.237.127.64/eth0,9954@129.237.127.197/00:07:E9:C6:35:E2 [ 58.037678] netconsole: local port 4444 [ 58.037683] netconsole: local IP 129.237.127.64 [ 58.037686] netconsole: interface eth0 [ 58.037689] netconsole: remote port 9954 [ 58.037693] netconsole: remote IP 129.237.127.197 [ 58.037700] netconsole: remote ethernet address 00:07:e9:c6:35:e2 [ 58.037958] Initializing CPU#0 [ 58.037968] WARNING: experimental RCU implementation. [ 58.038030] CPU 0 irqstacks, hard=c0446000 soft=c043e000 [ 58.038036] PID hash table entries: 4096 (order: 12, 65536 bytes) [ 58.987221] Event source pit installed with caps set: 01 [ 58.988764] Console: colour VGA+ 80x25 [ 58.991681] Dentry cache hash table entries: 131072 (order: 7, 524288 bytes) [ 58.993629] Inode-cache hash table entries: 65536 (order: 6, 262144 bytes) [ 59.105194] Memory: 1018228k/1048512k available (2315k kernel code, 29896k reserved, 761k data, 208k init, 131008k highmem) [ 59.105265] Checking if this processor honours the WP bit even in supervisor mode... Ok. [ 59.183026] Calibrating delay using timer specific routine.. 2799.71 BogoMIPS (lpj=5599428) [ 59.183186] Security Framework v1.0.0 initialized [ 59.183241] SELinux: Initializing. [ 59.183376] SELinux: Starting in permissive mode [ 59.183424] selinux_register_security: Registering secondary module capability [ 59.183478] Capability LSM initialized as secondary [ 59.183566] Mount-cache hash table entries: 512 [ 59.184011] CPU: L1 I cache: 16K, L1 D cache: 16K [ 59.184081] CPU: L2 cache: 512K [ 59.184135] Intel machine check architecture supported. [ 59.184181] Intel machine check reporting enabled on CPU#0. [ 59.184240] mtrr: v2.0 (20020519) [ 59.184286] Enabling fast FPU save and restore... done. [ 65.458156] hda: HDS722580VLAT20, ATA DISK drive [ 66.129825] ide0 at 0x1f0-0x1f7,0x3f6 on irq 14 [ 66.864782] hdc: MATSHITA CR-177, ATAPI CD/DVD-ROM drive [ 67.200710] ide1 at 0x170-0x177,0x376 on irq 15 [ 67.210381] hda: max request size: 1024KiB [ 67.217389] hda: 160836480 sectors (82348 MB) w/1794KiB Cache, CHS=16383/255/63, (U)DMA [ 67.217885] hda: cache flushes supported [ 67.218265] hda: hda1 hda2 hda3 [ 67.234106] hdc: ATAPI 24X CD-ROM drive, 128kB Cache, (U)DMA [ 67.234350] Uniform CD-ROM driver Revision: 3.20 [ 67.237830] ide-floppy driver 0.99.newide [ 67.244889] mice: PS/2 mouse device common for all mice [ 67.245069] Netfilter messages via NETLINK v0.30. [ 67.245421] NET: Registered protocol family 2 [ 67.256439] IP route cache hash table entries: 65536 (order: 6, 262144 bytes) [ 67.257325] TCP established hash table entries: 32768 (order: 9, 2359296 bytes) [ 67.267550] TCP bind hash table entries: 32768 (order: 9, 2228224 bytes) [ 67.277958] TCP: Hash tables configured (established 32768 bind 32768) [ 67.278053] TCP reno registered [ 67.278483] TCP bic registered [ 67.278586] Initializing IPsec netlink socket [ 67.278674] NET: Registered protocol family 1 [ 67.278740] NET: Registered protocol family 17 [ 67.278795] ieee80211: 802.11 data/management/control stack, git-1.1.7 [ 67.278843] ieee80211: Copyright (C) 2004-2005 Intel Corporation [ 67.278927] Starting balanced_irq [ 67.279066] Using IPI Shortcut mode [ 67.279202] ***************************************************************************** [ 67.279263] * * [ 67.279397] * REMINDER, the following debugging option is turned on in your .config: * [ 67.280663] * * [ 67.280722] * CONFIG_DEBUG_DEADLOCKS * [ 67.280780] * * [ 67.280838] * it may increase runtime overhead and latencies. * [ 67.280895] * * [ 67.280955] ***************************************************************************** [ 67.281472] Freeing unused kernel memory: 208k freed [ 67.299303] Time: tsc clocksource has been installed. [ 67.300225] hrtimers: Switched to high resolution mode CPU 1 [ 67.303289] hrtimers: Switched to high resolution mode CPU 0 [ 67.317158] input: AT Translated Set 2 keyboard as /class/input/input0 [ 67.571682] scsi0 : Adaptec AIC7XXX EISA/VLB/PCI SCSI HBA DRIVER, Rev 7.0 [ 67.571687] [ 67.571689] aic7892: Ultra160 Wide Channel A, SCSI Id=7, 32/253 SCBs [ 67.571691] [ 67.868326] input: ImExPS/2 Generic Explorer Mouse as /class/input/input1 [ 86.533387] kjournald starting. Commit interval 5 seconds [ 86.533473] EXT3-fs: mounted filesystem with ordered data mode. [ 86.865487] SELinux: Disabled at runtime. [ 86.865554] SELinux: Unregistering netfilter hooks [ 107.074578] [] [] smp_error_interrupt+0x56/0x60 (8) [ 107.074602] [] error_interrupt+0x1c/0x24 (20) [ 107.074611] [] _raw_spin_unlock+0x1b/0x20 (36) [ 107.074619] [] do_page_fault+0x64/0x530 (8) [ 107.074628] []swapper/0[CPU#1]: BUG in __cache_alloc at mm/slab.c:2196 [ 107.074639] sys_brk+0xf7/0x120 (64) [ 107.074643] [] [] do_page_fault+0x0/0x530 (20) [ 107.074654] [] error_code+0x4f/0x54 (8) [ 107.074659] __WARN_ON+0x66/0x90 (8) [ 107.074665] ------------------------------ [ 107.074669] []| showing all locks held by: | (egrep/1294 [f7c04e10, 118]): [ 107.074680] kmem_cache_alloc+0xd0/0xe0------------------------------ [ 107.074686] (48) [ 107.074690] [ 107.074693] [] __alloc_skb+0x30/0x150 (24) [ 107.074708] [] find_skb+0x2f/0xf0 (28) [ 107.074721] [] netpoll_send_udp+0x2c/0x210 (32) 107.087948] [] call_console_drivers+0xfb/0x120 (20) [ 107.087954] [] write_msg+0x0/0xd0 (4) [ 107.087959] [] __call_console_drivers+0x40/0x60 (8) [ 107.087965] [] release_console_sem+0x29/0xe0 (20) [ 107.087971] [] vprintk+0x1ac/0x2c0 (20) [ 107.087980] [] smp_error_interrupt+0x56/0x60 (100) [ 107.087986] [] printk+0x17/0x20 (12) [ 107.087992] [] show_trace+0x50/0xb0 (12) [ 107.087997] [] smp_error_interrupt+0x56/0x60 (8) [ 107.088003] [] dump_stack+0x13/0x20 (24) [ 107.088008] [] smp_error_interrupt+0x56/0x60 (8) [ 107.088014] [] error_interrupt+0x1c/0x24 (20) [ 107.088021] [] default_idle+0x55/0x90 (44) [ 107.088026] [] cpu_idle+0x83/0xd0 (12) [ 107.088033] ------------------------------ [ 107.088036] | showing all locks held by: | (swapper/0 [f7fff200, 140]): [ 107.101186] ------------------------------ [ 107.101188] [ 107.101189] #001: [c039c504] {console_sem.lock} [ 107.101193] ... acquired at: vprintk+0x175/0x2c0 [ 107.101198] [ 107.101201] swapper/0[CPU#1]: BUG in __cache_alloc at mm/slab.c:2196 [ 107.101205] [] __WARN_ON+0x66/0x90 (8) [ 107.101212] [] __kmalloc+0xee/0x110 (48) [ 107.101217] [] __alloc_skb+0x4d/0x150 (24) [ 107.101223] [] zap_completion_queue+0xf9/0x120 (4) [ 107.101230] [] find_skb+0x2f/0xf0 (24) [ 107.101236] [] netpoll_send_udp+0x2c/0x210 (32) [ 107.101243] [] write_msg+0x71/0xd0 (32) [ 107.101248] [] write_msg+0x0/0xd0 (12) [ 107.101253] [] __call_console_drivers+0x40/0x60 (8) [ 107.101260] [] call_console_drivers+0xfb/0x120 (20) [ 107.101266] [] write_msg+0x0/0xd0 (4) ) <4>[ 107.113999] [] zap_completion_queue+0xf9/0x120 (4) [ 107.114006] [] find_skb+0x2f/0xf0 (24) [ 107.114012] [] netpoll_send_udp+0x2c/0x210 (32) [ 107.114018] [] write_msg+0x71/0xd0 (32) [ 107.114024] [] write_msg+0x0/0xd0 (12) [ 107.114029] [] __call_console_drivers+0x40/0x60 (8) [ 107.114036] [] call_console_drivers+0xfb/0x120 (20) [ 107.114042] [] write_msg+0x0/0xd0 (4) [ 107.114047] [] __call_console_drivers+0x40/0x60 (8) [ 107.114053] [] release_console_sem+0x29/0xe0 (20) [ 107.114060] [] vprintk+0x1ac/0x2c0 (20) [ 107.114068] [] smp_error_interrupt+0x56/0x60 (100) [ 107.114074] [] printk+0x17/0x20 (12) [ 107.114080] [] show_trace+0x50/0xb0 (12) [ 107.114085] [] smp_error_interrupt+0x56/0x60 (8) [ 107.114092] [] dump_stack+0x13/0x20 (24) 107.126816] [] __call_console_drivers+0x40/0x60 (8) [ 107.126823] [] release_console_sem+0x29/0xe0 (20) [ 107.126829] [] vprintk+0x1ac/0x2c0 (20) [ 107.126837] [] smp_error_interrupt+0x56/0x60 (100) [ 107.126844] [] printk+0x17/0x20 (12) [ 107.126850] [] show_trace+0x50/0xb0 (12) [ 107.126855] [] smp_error_interrupt+0x56/0x60 (8) [ 107.126861] [] dump_stack+0x13/0x20 (24) [ 107.126866] [] smp_error_interrupt+0x56/0x60 (8) [ 107.126873] [] error_interrupt+0x1c/0x24 (20) [ 107.126879] [] default_idle+0x55/0x90 (44) [ 107.126884] [] cpu_idle+0x83/0xd0 (12) [ 107.126892] ------------------------------ [ 107.126894] | showing all locks held by: | (swapper/0 [f7fff200, 140]): [ 107.126899] ------------------------------ [ 107.126902] 7.139595] [] dump_stack+0x13/0x20 (24) <4>[ 107.139601] [] smp_error_interrupt+0x56/0x60 (8) [ 107.139607] [] error_interrupt+0x1c/0x24 (20) [ 107.139613] [] default_idle+0x55/0x90 (44) [ 107.139619] [] cpu_idle+0x83/0xd0 (12) [ 107.139626] ------------------------------ [ 107.139628] | showing all locks held by: | (swapper/0 [f7fff200, 140]): [ 107.139633] ------------------------------ [ 107.139636] [ 107.139637] #001: [c039c504] {console_sem.lock} [ 107.139641] ... acquired at: vprintk+0x175/0x2c0 [ 107.139646] [ 107.139691] swapper/0[CPU#1]: BUG in __cache_alloc at mm/slab.c:2196 [ 107.139695] [] __WARN_ON+0x66/0x90 (8) [ 107.139702] [] kmem_cache_alloc+0xd0/0xe0 (48) [ 107.139708] [] __alloc_skb+0x30/0x150 (24) [ 107.139714] [] zap_completion_queue+0xf9/0x120 (4) <4>[ 107.153537] <4>[ 107.153538] #001: [c039c504] {console_sem.lock} [ 107.153542] ... acquired at: vprintk+0x175/0x2c0 [ 107.153547] [ 107.153552] swapper/0[CPU#1]: BUG in __cache_alloc at mm/slab.c:2196 [ 107.153555] [] __WARN_ON+0x66/0x90 (8) [ 107.153562] [] kmem_cache_alloc+0xd0/0xe0 (48) [ 107.153568] [] alloc_slabmgmt+0x4c/0x60 (24) [ 107.153574] [] cache_grow+0xda/0x260 (12) [ 107.153580] [] cache_alloc_refill+0x1df/0x250 (52) [ 107.153587] [] __kmalloc+0xfc/0x110 (56) [ 107.153593] [] __alloc_skb+0x4d/0x150 (24) [ 107.153599] [] zap_completion_queue+0xf9/0x120 (4) [ 107.153605] [] find_skb+0x2f/0xf0 (24) [ 107.153611] [] netpoll_send_udp+0x2c/0x210 (32) [ 107.153618] [] write_msg+0x71/0xd0 (32) /0 [f7fff200, 140]): <4>[ 107.166310] ------------------------------ [ 107.166313] [ 107.166314] #001: [c039c504] {console_se<4>[ 107.168440] swapper/0[CPU#1]: BUG in __cache_alloc at mm/slab.c:2196 [ 107.168444] [] __WARN_ON+0x66/0x90 (8) [ 107.168451] [] kmem_cache_alloc+0xd0/0xe0 (48) [ 107.168456] [] __alloc_skb+0x30/0x150 (24) [ 107.168462] [] zap_completion_queue+0xf9/0x120 (4) [ 107.168469] [] find_skb+0x2f/0xf0 (24) [ 107.168475] [] netpoll_send_udp+0x2c/0x210 (32) [ 107.168481] [] write_msg+0x71/0xd0 (32) [ 107.168487] [] write_msg+0x0/0xd0 (12) [ 107.168492] [] __call_console_drivers+0x40/0x60 (8) [ 107.168498] [] call_console_drivers+0xfb/0x120 (20) [ 107.168504] [] write_msg+0x0/0xd0 (4) [ 107.168509] [] __call_console_drivers+0x40/0x60 (8) [ 107.168516] [] release_console_sem+0x29/0xe0 (20) [ 107.168522] [] vprintk+0x1ac/0x2c0 (20) 7.181097] [] write_msg+0x71/0xd0 (32) <4>[ 107.181103] [] write_msg+0x0/0xd0 (12) [ 107.181108] [] __call_console_drivers+0x40/0x60 (8) [ 107.181115] [] call_console_drivers+0xfb/0x120 (20) [ 107.181121] [] write_msg+0x0/0xd0 (4) [ 107.181126] [] __call_console_drivers+0x40/0x60 (8) [ 107.181132] [] release_console_sem+0x29/0xe0 (20) [ 107.181139] [] vprintk+0x1ac/0x2c0 (20) [ 107.181147] [] smp_error_interrupt+0x56/0x60 (100) [ 107.181153] [] printk+0x17/0x20 (12) [ 107.181159] [] show_trace+0x50/0xb0 (12) [ 107.181164] [] smp_error_interrupt+0x56/0x60 (8) [ 107.181170] [] dump_stack+0x13/0x20 (24) printk+0x1ac/0x2c0 (20) 7.277558] [] default_idle+0x55/0x90 (44) <4>[ 107.277563] [] cpu_idle+0x83/0xd0 (12) [ 107.277570] ------------------------------ [ 107.277573] | showing all locks held by: | (swapper/0 [f7fff200, 140]): [ 107.277577] ------------------------------ [ 107.277580] [ 107.277581] #001: [c039c504] {console_sem.lock} [ 107.277585] ... acquired at: vprintk+0x175/0x2c0 [ 107.277590] [ 107.277594] swapper/0[CPU#1]: BUG in __cache_alloc at mm/slab.c:2209 [ 107.277597] [] __WARN_ON+0x66/0x90 (8) [ 107.277604] [] kmem_cache_alloc+0xad/0xe0 (48) [ 107.277610] [] __alloc_skb+0x30/0x150 (24) [ 107.277616] [] zap_completion_queue+0xf9/0x120 (4) [ 107.277622] [] find_skb+0x2f/0xf0 (24) [ 107.277628] [] netpoll_send_udp+0x2c/0x210 (32) [ 107.277635] [] write_msg+0x71/0xd0 (32) [ 107.277640] [] write_msg+0x0/0xd0 (12) 4>[ 107.290396] [] show_trace+0x50/0xb0 (12) <4>[ 107.290402] [] smp_error_interrupt+0x56/0x60 (8) [ 107.290408] [] dump_stack+0x13/0x20 (24) [ 107.290413] [] smp_error_interrupt+0x56/0x60 (8) [ 107.290420] [] error_interrupt+0x1c/0x24 (20) [ 107.290426] [] default_idle+0x55/0x90 (44) [ 107.290431] [] cpu_idle+0x83/0xd0 (12) [ 107.290439] ------------------------------ [ 107.290441] | showing all locks held by: | (swapper/0 [f7fff200, 140]): [ 107.290446] ------------------------------ [ 107.290448] [ 107.290450] #001: [c039c504] {console_sem.lock} [ 107.290453] ... acquired at: vprintk+0x175/0x2c0 [ 107.290458] [ 107.290462] swapper/0[CPU#1]: BUG in __cache_alloc at mm/slab.c:2209 [ 107.290465] [] __WARN_ON+0x66/0x90 (8) [ 107.290472] [] kmem_cache_alloc+0xad/0xe0 (48) [ 107.290478] [] __alloc_skb+0x30/0x150 (24) 30] [] __call_console_drivers+0x40/0x60 (8) <4>[ 107.303237] [] release_console_sem+0x29/0xe0 (20) [ 107.303243] [] vprintk+0x1ac/0x2c0 (20) [ 107.303251] [] smp_error_interrupt+0x56/0x60 (100) [ 107.303258] [] printk+0x17/0x20 (12) [ 107.303263] [] show_trace+0x50/0xb0 (12) [ 107.303269] [] smp_error_interrupt+0x56/0x60 (8) [ 107.303275] [] dump_stack+0x13/0x20 (24) [ 107.303280] [] smp_error_interrupt+0x56/0x60 (8) [ 107.303286] [] error_interrupt+0x1c/0x24 (20) [ 107.303293] [] default_idle+0x55/0x90 (44) [ 107.303298] [] cpu_idle+0x83/0xd0 (12) [ 107.303305] ------------------------------ [ 107.303308] | showing all locks held by: | (swapper/0 [f7fff200, 140]): [ 107.303313] ------------------------------ [ 107.303315] [ 107.303317] #001: [c039c504] {console_sem.lock} [ 107.303320] ... acquired at: vprintk+0x175/0x2c0 /0xd0 (32) <4>[ 107.316071] [] write_msg+0x0/0xd0 (12) [ 107.316076] [] __call_console_drivers+0x40/0x60 (8) [ 107.316083] [] call_console_drivers+0xfb/0x120 (20) [ 107.316089] [] write_msg+0x0/0xd0 (4) [ 107.316094] [] __call_console_drivers+0x40/0x60 (8) [ 107.316100] [] release_console_sem+0x29/0xe0 (20) [ 107.316107] [] vprintk+0x1ac/0x2c0 (20) [ 107.316115] [] smp_error_interrupt+0x56/0x60 (100) [ 107.316121] [] printk+0x17/0x20 (12) [ 107.316127] [] show_trace+0x50/0xb0 (12) [ 107.316132] [] smp_error_interrupt+0x56/0x60 (8) [ 107.316139] [] dump_stack+0x13/0x20 (24) [ 107.316144] [] smp_error_interrupt+0x56/0x60 (8) [ 107.316150] [] error_interrupt+0x1c/0x24 (20) [ 107.316157] [] default_idle+0x55/0x90 (44) [ 107.316162] [] cpu_idle+0x83/0xd0 (12) [ 107.316169] ------------------------------ 908] [] __alloc_skb+0x30/0x150 (24) <4>[ 107.328914] [] zap_completion_queue+0xf9/0x120 (4) [ 107.328921] [] find_skb+0x2f/0xf0 (24) [ 107.328927] [] netpoll_send_udp+0x2c/0x210 (32) [ 107.328933] [] write_msg+0x71/0xd0 (32) [ 107.328939] [] write_msg+0x0/0xd0 (12) [ 107.328944] [] __call_console_drivers+0x40/0x60 (8) [ 107.328951] [] call_console_drivers+0xfb/0x120 (20) [ 107.328957] [] write_msg+0x0/0xd0 (4) [ 107.328962] [] __call_console_drivers+0x40/0x60 (8) [ 107.328968] [] release_console_sem+0x29/0xe0 (20) [ 107.328975] [] vprintk+0x1ac/0x2c0 (20) [ 107.328983] [] smp_error_interrupt+0x56/0x60 (100) [ 107.328989] [] printk+0x17/0x20 (12) [ 107.328995] [] show_trace+0x50/0xb0 (12) [ 107.329000] [] smp_error_interrupt+0x56/0x60 (8) [ 107.329007] [] dump_stack+0x13/0x20 (24) >[ 107.341709] ... acquired at: vprintk+0x175/0x2c0 [ 107.341714] [ 107.341755] swapper/0[CPU#1]: BUG in __cache_alloc at mm/slab.c:2196 [ 107.341758] [] __WARN_ON+0x66/0x90 (8) [ 107.341765] [] kmem_cache_alloc+0xd0/0xe0 (48) [ 107.341771] [] __alloc_skb+0x30/0x150 (24) [ 107.341777] [] zap_completion_queue+0xf9/0x120 (4) [ 107.341784] [] find_skb+0x2f/0xf0 (24) [ 107.341790] [] netpoll_send_udp+0x2c/0x210 (32) [ 107.341796] [] write_msg+0x71/0xd0 (32) [ 107.341802] [] write_msg+0x0/0xd0 (12) [ 107.341807] [] __call_console_drivers+0x40/0x60 (8) [ 107.341814] [] call_console_drivers+0xfb/0x120 (20) [ 107.341820] [] write_msg+0x0/0xd0 (4) [ 107.341825] [] __call_console_drivers+0x40/0x60 (8) [ 107.341831] [] release_console_sem+0x29/0xe0 (20) [ 107.341838] [] vprintk+0x1ac/0x2c0 (20) [ 107.354564] [] smp_error_interrupt+0x56/0x60 (100) [ 107.354571] [] printk+0x17/0x20 (12) [ 107.354576] [] show_trace+0x50/0xb0 (12) [ 107.354582] [] smp_error_interrupt+0x56/0x60 (8) [ 107.354588] [] dump_stack+0x13/0x20 (24) [ 107.354593] [] smp_error_interrupt+0x56/0x60 (8) [ 107.354599] [] error_interrupt+0x1c/0x24 (20) [ 107.354606] [] default_idle+0x55/0x90 (44) [ 107.354611] [] cpu_idle+0x83/0xd0 (12) [ 107.354618] ------------------------------ [ 107.354621] | showing all locks held by: | (swapper/0 [f7fff200, 140]): [ 107.354625] ------------------------------ [ 107.354628] [ 107.354629] #001: [c039c504] {console_sem.lock} [ 107.354633] ... acquired at: vprintk+0x175/0x2c0 [ 107.354638] [ 107.354641] swapper/0[CPU#1]: BUG in __cache_alloc at mm/slab.c:2196 0x90 (44) <4>[ 107.368525] [] cpu_idle+0x83/0xd0 (12) [ 107.368532] ------------------------------ x56/0x60 (8) [ 107.452314] [] dump_stack+0x13/0x20 (24) [ 107.452320] [] smp_error_interrupt+0x56/0x60 (8) [ 107.452326] [] error_interrupt+0x1c/0x24 (20) [ 107.452332] [] default_idle+0x55/0x90 (44) [ 107.452338] [] cpu_idle+0x83/0xd0 (12) [ 107.452345] ------------------------------ [ 107.452347] | showing all locks held by: | (swapper/0 [f7fff200, 140]): [ 107.452352] ------------------------------ [ 107.452355] [ 107.452356] #001: [c039c504] {console_sem.lock} [ 107.452360] ... acquired at: vprintk+0x175/0x2c0 [ 107.452365] l_send_udp+0x2c/0x210 (32) <4>[ 107.464972] [] write_msg+0x71/0xd0 (32) [ 107.464977] [] write_msg+0x0/0xd0 (12) [ 107.464983] [] __call_console_drivers+0x40/0x60 (8) [ 107.464989] [] call_console_drivers+0xfb/0x120 (20) [ 107.464995] [] write_msg+0x0/0xd0 (4) [ 107.465000] [] __call_console_drivers+0x40/0x60 (8) [ 107.465007] [] release_console_sem+0x29/0xe0 (20) [ 107.465013] [] vprintk+0x1ac/0x2c0 (20) [ 107.465021] [] smp_error_interrupt+0x56/0x60 (100) [ 107.465028] [] printk+0x17/0x20 (12) [ 107.465033] [] show_trace+0x50/0xb0 (12) [ 107.465039] [] smp_error_interrupt+0x56/0x60 (8) [ 107.465045] [] dump_stack+0x13/0x20 (24) [ 107.465050] [] smp_error_interrupt+0x56/0x60 (8) [ 107.465056] [] error_interrupt+0x1c/0x24 (20) [ 107.465063] [] default_idle+0x55/0x90 (44) [ 107.465068] [] cpu_idle+0x83/0xd0 (12) d>] kmem_cache_alloc+0xad/0xe0 (48) <4>[ 107.477804] [] __alloc_skb+0x30/0x150 (24) [ 107.477811] [] zap_completion_queue+0xf9/0x120 (4) [ 107.477817] [] find_skb+0x2f/0xf0 (24) [ 107.477823] [] netpoll_send_udp+0x2c/0x210 (32) [ 107.477829] [] write_msg+0x71/0xd0 (32) [ 107.477835] [] write_msg+0x0/0xd0 (12) [ 107.477840] [] __call_console_drivers+0x40/0x60 (8) [ 107.477847] [] call_console_drivers+0xfb/0x120 (20) [ 107.477853] [] write_msg+0x0/0xd0 (4) [ 107.477858] [] __call_console_drivers+0x40/0x60 (8) [ 107.477864] [] release_console_sem+0x29/0xe0 (20) [ 107.477871] [] vprintk+0x1ac/0x2c0 (20) [ 107.477879] [] smp_error_interrupt+0x56/0x60 (100) [ 107.477885] [] printk+0x17/0x20 (12) [ 107.477891] [] show_trace+0x50/0xb0 (12) [ 107.477896] [] smp_error_interrupt+0x56/0x60 (8) [ 107.477903] [] dump_stack+0x13/0x20 (24) >[ 107.490655] ... acquired at: vprintk+0x175/0x2c0 [ 107.490660] [ 107.490663] swapper/0[CPU#1]: BUG in __cache_alloc at mm/slab.c:2209 [ 107.490667] [] __WARN_ON+0x66/0x90 (8) [ 107.490674] [] kmem_cache_alloc+0xad/0xe0 (48) [ 107.490680] [] __alloc_skb+0x30/0x150 (24) [ 107.490686] [] zap_completion_queue+0xf9/0x120 (4) [ 107.490692] [] find_skb+0x2f/0xf0 (24) [ 107.490698] [] netpoll_send_udp+0x2c/0x210 (32) [ 107.490705] [] write_msg+0x71/0xd0 (32) [ 107.490710] [] write_msg+0x0/0xd0 (12) [ 107.490715] [] __call_console_drivers+0x40/0x60 (8) [ 107.490722] [] call_console_drivers+0xfb/0x120 (20) [ 107.490728] [] write_msg+0x0/0xd0 (4) [ 107.490733] [] __call_console_drivers+0x40/0x60 (8) [ 107.490739] [] release_console_sem+0x29/0xe0 (20) [ 107.490746] [] vprintk+0x1ac/0x2c0 (20) ] [] cpu_idle+0x83/0xd0 (12) ----------- CUT -----------------