Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Tue, 13 Nov 2001 15:53:55 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Tue, 13 Nov 2001 15:53:48 -0500 Received: from demai05.mw.mediaone.net ([24.131.1.56]:40173 "EHLO demai05.mw.mediaone.net") by vger.kernel.org with ESMTP id ; Tue, 13 Nov 2001 15:53:30 -0500 Message-Id: <200111132053.fADKrdW07245@demai05.mw.mediaone.net> Content-Type: text/plain; charset=US-ASCII From: Brian To: linux-kernel Subject: Oops in kswapd (2.4.14) Date: Tue, 13 Nov 2001 15:53:28 -0500 X-Mailer: KMail [version 1.3.2] MIME-Version: 1.0 Content-Transfer-Encoding: 7BIT Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org This is a well-loaded web server serving files off the root IDE disk and NFS. It lasted a week on 2.4.10 and 2.4.14 before nixing kswapd and going haywire. There were several later oopses, but I would assume the death of kswapd was a major part of those. Unable to handle kernel NULL pointer dereference at virtual address 0000000a printing eip: c0137498 *pde = 00000000 Oops: 0002 CPU: 0 EIP: 0010:[prune_dcache+24/296] Not tainted EFLAGS: 00010212 eax: c020613c ebx: cad7b058 ecx: d9da1020 edx: 0000000a esi: d9da1cc0 edi: 00000000 ebp: 00002adc esp: c1873f60 ds: 0018 es: 0018 ss: 0018 Process kswapd (pid: 4, stackpage=c1873000) Stack: 00000001 000001d0 00000020 00000006 c01377fb 00002e45 c01227e0 00000006 000001d0 00000006 000001d0 c02054e8 00000000 c02054e8 c012281c 00000020 c02054e8 00000001 c1872000 c01228b3 c0205440 00000000 c1872249 0008e000 Call Trace: [shrink_dcache_memory+27/52] [shrink_caches+108/132] [try_to_free_pages+36/68] [kswapd_balance_pgdat+67/140] [kswapd_balance+18/40] [kswapd+153/188] [kernel_thread+40/56] Code: 89 02 89 1b 89 5b 04 8d 73 e8 8b 46 54 a8 08 74 27 24 f7 89 The system is a P3/750 and was rock solid on 2.2. The only disk is a WD on a PIIX4. The NIC is an eepro100. The kernel was compiled on Debian sid using "gcc version 2.95.4 20011006 (Debian prerelease)". The config for it is: CONFIG_X86=y CONFIG_ISA=y CONFIG_UID16=y CONFIG_MPENTIUMIII=y CONFIG_X86_WP_WORKS_OK=y CONFIG_X86_INVLPG=y CONFIG_X86_CMPXCHG=y CONFIG_X86_XADD=y CONFIG_X86_BSWAP=y CONFIG_X86_POPAD_OK=y CONFIG_RWSEM_XCHGADD_ALGORITHM=y CONFIG_X86_L1_CACHE_SHIFT=5 CONFIG_X86_TSC=y CONFIG_X86_GOOD_APIC=y CONFIG_X86_PGE=y CONFIG_X86_USE_PPRO_CHECKSUM=y CONFIG_NOHIGHMEM=y CONFIG_NET=y CONFIG_PCI=y CONFIG_PCI_GOANY=y CONFIG_PCI_BIOS=y CONFIG_PCI_DIRECT=y CONFIG_SYSVIPC=y CONFIG_SYSCTL=y CONFIG_KCORE_ELF=y CONFIG_BINFMT_ELF=y CONFIG_BLK_DEV_FD=y CONFIG_PACKET=y CONFIG_UNIX=y CONFIG_INET=y CONFIG_IDE=y CONFIG_BLK_DEV_IDE=y CONFIG_BLK_DEV_IDEDISK=y CONFIG_IDEDISK_MULTI_MODE=y CONFIG_BLK_DEV_IDEPCI=y CONFIG_IDEPCI_SHARE_IRQ=y CONFIG_BLK_DEV_IDEDMA_PCI=y CONFIG_BLK_DEV_ADMA=y CONFIG_IDEDMA_PCI_AUTO=y CONFIG_BLK_DEV_IDEDMA=y CONFIG_BLK_DEV_PIIX=y CONFIG_PIIX_TUNING=y CONFIG_BLK_DEV_VIA82CXXX=y CONFIG_IDEDMA_AUTO=y CONFIG_BLK_DEV_IDE_MODES=y CONFIG_SCSI=y CONFIG_BLK_DEV_SD=y CONFIG_SD_EXTRA_DEVS=4 CONFIG_SCSI_SYM53C8XX=y CONFIG_SCSI_NCR53C8XX_DEFAULT_TAGS=4 CONFIG_SCSI_NCR53C8XX_MAX_TAGS=32 CONFIG_SCSI_NCR53C8XX_SYNC=20 CONFIG_NETDEVICES=y CONFIG_NET_ETHERNET=y CONFIG_NET_VENDOR_3COM=y CONFIG_VORTEX=y CONFIG_NET_PCI=y CONFIG_EEPRO100=y CONFIG_VT=y CONFIG_VT_CONSOLE=y CONFIG_TMPFS=y CONFIG_PROC_FS=y CONFIG_EXT2_FS=y CONFIG_NFS_FS=y CONFIG_SUNRPC=y CONFIG_LOCKD=y CONFIG_MSDOS_PARTITION=y CONFIG_VGA_CONSOLE=y Any help is appreciated -- Brian - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/