From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751505AbWA0QYV (ORCPT ); Fri, 27 Jan 2006 11:24:21 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751502AbWA0QYV (ORCPT ); Fri, 27 Jan 2006 11:24:21 -0500 Received: from 41-052.adsl.zetnet.co.uk ([194.247.41.52]:11536 "EHLO mail.esperi.org.uk") by vger.kernel.org with ESMTP id S1751492AbWA0QYT (ORCPT ); Fri, 27 Jan 2006 11:24:19 -0500 To: Ariel Cc: Jamie Heilman , Chase Venters , Arjan van de Ven , linux-ide@vger.kernel.org, linux-kernel@vger.kernel.org, linux-scsi@vger.kernel.org Subject: Re: memory leak in scsi_cmd_cache 2.6.15 References: <1137997104.2977.7.camel@laptopd505.fenrus.org> <200601230029.12674.chase.venters@clientec.com> <20060123072556.GC15490@fifty-fifty.audible.transient.net> From: Nix X-Emacs: Our Lady of Perpetual Garbage Collection Date: Fri, 27 Jan 2006 16:23:10 +0000 In-Reply-To: (Ariel's message of "26 Jan 2006 18:13:31 -0000") Message-ID: <87ek2td4i9.fsf@amaterasu.srvr.nix> User-Agent: Gnus/5.1006 (Gnus v5.10.6) XEmacs/21.4 (Corporate Culture, linux) MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On 26 Jan 2006, Ariel noted: > Is this good or bad? I'm guessing it means it's still leaking. So it's > really starting to look like ata_piix is the problem. But we need someone > who has the leak to remove that and see if it helps. I can't, since my > drives are connected to it. FWIW, a bit of negative-confirmatory evidence: I have a sym53c875 and non-SATA IDE drive on this 2.6.15.1, and there is no leak, nor was there in 2.6.15: 11 11 100% 0.34K 1 11 4K scsi_cmd_cache Loaded modules: Module Size Used by loop 11304 0 .config attached. CONFIG_X86_32=y CONFIG_SEMAPHORE_SLEEPERS=y CONFIG_X86=y CONFIG_MMU=y CONFIG_UID16=y CONFIG_GENERIC_ISA_DMA=y CONFIG_GENERIC_IOMAP=y CONFIG_ARCH_MAY_HAVE_PC_FDC=y CONFIG_EXPERIMENTAL=y CONFIG_CLEAN_COMPILE=y CONFIG_BROKEN_ON_SMP=y CONFIG_INIT_ENV_ARG_LIMIT=32 CONFIG_LOCALVERSION="" CONFIG_SWAP=y CONFIG_SYSVIPC=y CONFIG_POSIX_MQUEUE=y CONFIG_BSD_PROCESS_ACCT=y CONFIG_SYSCTL=y CONFIG_SYSCTL_URANDOM=y CONFIG_HOTPLUG=y CONFIG_KOBJECT_UEVENT=y CONFIG_INITRAMFS_SOURCE="" CONFIG_CC_OPTIMIZE_FOR_SIZE=y CONFIG_KALLSYMS=y CONFIG_PRINTK=y CONFIG_BUG=y CONFIG_BASE_FULL=y CONFIG_FUTEX=y CONFIG_EPOLL=y CONFIG_SHMEM=y CONFIG_CC_ALIGN_FUNCTIONS=0 CONFIG_CC_ALIGN_LABELS=0 CONFIG_CC_ALIGN_LOOPS=0 CONFIG_CC_ALIGN_JUMPS=0 CONFIG_BASE_SMALL=0 CONFIG_MODULES=y CONFIG_MODULE_UNLOAD=y CONFIG_OBSOLETE_MODPARM=y CONFIG_KMOD=y CONFIG_IOSCHED_NOOP=y CONFIG_IOSCHED_AS=m CONFIG_IOSCHED_DEADLINE=y CONFIG_IOSCHED_CFQ=m CONFIG_DEFAULT_DEADLINE=y CONFIG_DEFAULT_IOSCHED="deadline" CONFIG_X86_PC=y CONFIG_M586MMX=y CONFIG_X86_CMPXCHG=y CONFIG_X86_XADD=y CONFIG_X86_L1_CACHE_SHIFT=5 CONFIG_RWSEM_XCHGADD_ALGORITHM=y CONFIG_GENERIC_CALIBRATE_DELAY=y CONFIG_X86_PPRO_FENCE=y CONFIG_X86_F00F_BUG=y CONFIG_X86_WP_WORKS_OK=y CONFIG_X86_INVLPG=y CONFIG_X86_BSWAP=y CONFIG_X86_POPAD_OK=y CONFIG_X86_CMPXCHG64=y CONFIG_X86_ALIGNMENT_16=y CONFIG_X86_GOOD_APIC=y CONFIG_X86_INTEL_USERCOPY=y CONFIG_X86_TSC=y CONFIG_PREEMPT_NONE=y CONFIG_X86_MCE=y CONFIG_X86_MSR=m CONFIG_X86_CPUID=m CONFIG_NOHIGHMEM=y CONFIG_PROC_MM=y CONFIG_SELECT_MEMORY_MODEL=y CONFIG_FLATMEM_MANUAL=y CONFIG_FLATMEM=y CONFIG_FLAT_NODE_MEM_MAP=y CONFIG_SPLIT_PTLOCK_CPUS=4 CONFIG_REGPARM=y CONFIG_SECCOMP=y CONFIG_HZ_100=y CONFIG_HZ=100 CONFIG_PHYSICAL_START=0x100000 CONFIG_PM=y CONFIG_PM_LEGACY=y CONFIG_PCI=y CONFIG_PCI_GOANY=y CONFIG_PCI_BIOS=y CONFIG_PCI_DIRECT=y CONFIG_ISA_DMA_API=y CONFIG_ISA=y CONFIG_BINFMT_ELF=y CONFIG_BINFMT_MISC=y CONFIG_NET=y CONFIG_PACKET=y CONFIG_PACKET_MMAP=y CONFIG_UNIX=y CONFIG_INET=y CONFIG_IP_MULTICAST=y CONFIG_IP_FIB_HASH=y CONFIG_NET_IPGRE=m CONFIG_INET_DIAG=y CONFIG_INET_TCP_DIAG=y CONFIG_TCP_CONG_BIC=y CONFIG_BRIDGE=y CONFIG_STANDALONE=y CONFIG_PREVENT_FIRMWARE_BUILD=y CONFIG_PARPORT=m CONFIG_PARPORT_PC=m CONFIG_PARPORT_PC_FIFO=y CONFIG_PNP=y CONFIG_ISAPNP=y CONFIG_BLK_DEV_FD=y CONFIG_BLK_DEV_LOOP=m CONFIG_BLK_DEV_CRYPTOLOOP=m CONFIG_BLK_DEV_RAM_COUNT=16 CONFIG_IDE=y CONFIG_BLK_DEV_IDE=y CONFIG_BLK_DEV_IDEDISK=y CONFIG_IDEDISK_MULTI_MODE=y CONFIG_IDE_GENERIC=y CONFIG_BLK_DEV_IDEPCI=y CONFIG_IDEPCI_SHARE_IRQ=y CONFIG_BLK_DEV_IDEDMA_PCI=y CONFIG_IDEDMA_PCI_AUTO=y CONFIG_BLK_DEV_PIIX=y CONFIG_BLK_DEV_IDEDMA=y CONFIG_IDEDMA_AUTO=y CONFIG_SCSI=y CONFIG_BLK_DEV_SD=y CONFIG_BLK_DEV_SR=y CONFIG_CHR_DEV_SG=y CONFIG_SCSI_CONSTANTS=y CONFIG_SCSI_SPI_ATTRS=y CONFIG_SCSI_SYM53C8XX_2=y CONFIG_SCSI_SYM53C8XX_DMA_ADDRESSING_MODE=0 CONFIG_SCSI_SYM53C8XX_DEFAULT_TAGS=16 CONFIG_SCSI_SYM53C8XX_MAX_TAGS=64 CONFIG_SCSI_QLA2XXX=y CONFIG_MD=y CONFIG_BLK_DEV_DM=y CONFIG_DM_CRYPT=y CONFIG_DM_SNAPSHOT=y CONFIG_DM_MIRROR=y CONFIG_DM_ZERO=y CONFIG_NETDEVICES=y CONFIG_DUMMY=m CONFIG_TUN=y CONFIG_NET_ETHERNET=y CONFIG_MII=y CONFIG_NET_VENDOR_3COM=y CONFIG_VORTEX=y CONFIG_NET_PCI=y CONFIG_EEPRO100=y CONFIG_NATSEMI=y CONFIG_PLIP=m CONFIG_INPUT=y CONFIG_INPUT_MOUSEDEV=y CONFIG_INPUT_MOUSEDEV_PSAUX=y CONFIG_INPUT_MOUSEDEV_SCREEN_X=1024 CONFIG_INPUT_MOUSEDEV_SCREEN_Y=768 CONFIG_INPUT_KEYBOARD=y CONFIG_KEYBOARD_ATKBD=y CONFIG_INPUT_MOUSE=y CONFIG_MOUSE_PS2=y CONFIG_SERIO=y CONFIG_SERIO_I8042=y CONFIG_SERIO_SERPORT=y CONFIG_SERIO_LIBPS2=y CONFIG_VT=y CONFIG_VT_CONSOLE=y CONFIG_FRANDOM=y CONFIG_HW_CONSOLE=y CONFIG_SERIAL_8250=y CONFIG_SERIAL_8250_NR_UARTS=4 CONFIG_SERIAL_CORE=y CONFIG_UNIX98_PTYS=y CONFIG_RTC=y CONFIG_I2C=y CONFIG_I2C_CHARDEV=y CONFIG_I2C_ISA=y CONFIG_HWMON=y CONFIG_HWMON_VID=y CONFIG_SENSORS_LM78=y CONFIG_VIDEO_SELECT=y CONFIG_VGA_CONSOLE=y CONFIG_DUMMY_CONSOLE=y CONFIG_SOUND=m CONFIG_SND=m CONFIG_SND_TIMER=m CONFIG_SND_PCM=m CONFIG_SND_HWDEP=m CONFIG_SND_RAWMIDI=m CONFIG_SND_SEQUENCER=m CONFIG_SND_SEQ_DUMMY=m CONFIG_SND_OSSEMUL=y CONFIG_SND_MIXER_OSS=m CONFIG_SND_PCM_OSS=m CONFIG_SND_SEQUENCER_OSS=y CONFIG_SND_RTCTIMER=m CONFIG_SND_SEQ_RTCTIMER_DEFAULT=y CONFIG_SND_GENERIC_DRIVER=y CONFIG_SND_MPU401_UART=m CONFIG_SND_OPL3_LIB=m CONFIG_SND_MPU401=m CONFIG_SND_SBAWE=m CONFIG_SND_SB16_CSP=y CONFIG_USB_ARCH_HAS_HCD=y CONFIG_USB_ARCH_HAS_OHCI=y CONFIG_USB=y CONFIG_USB_DEVICEFS=y CONFIG_USB_DYNAMIC_MINORS=y CONFIG_USB_UHCI_HCD=y CONFIG_USB_STORAGE=y CONFIG_USB_STORAGE_ISD200=y CONFIG_EXT2_FS=y CONFIG_EXT2_FS_XATTR=y CONFIG_EXT2_FS_POSIX_ACL=y CONFIG_EXT3_FS=y CONFIG_EXT3_FS_XATTR=y CONFIG_EXT3_FS_POSIX_ACL=y CONFIG_JBD=y CONFIG_FS_MBCACHE=y CONFIG_REISERFS_FS=y CONFIG_REISERFS_FS_XATTR=y CONFIG_REISERFS_FS_POSIX_ACL=y CONFIG_FS_POSIX_ACL=y CONFIG_MINIX_FS=m CONFIG_INOTIFY=y CONFIG_QUOTA=y CONFIG_QFMT_V2=y CONFIG_QUOTACTL=y CONFIG_DNOTIFY=y CONFIG_FUSE_FS=y CONFIG_ISO9660_FS=y CONFIG_JOLIET=y CONFIG_ZISOFS=y CONFIG_ZISOFS_FS=y CONFIG_FAT_FS=y CONFIG_MSDOS_FS=y CONFIG_VFAT_FS=m CONFIG_FAT_DEFAULT_CODEPAGE=437 CONFIG_FAT_DEFAULT_IOCHARSET="iso8859-1" CONFIG_PROC_FS=y CONFIG_SYSFS=y CONFIG_TMPFS=y CONFIG_HUGETLBFS=y CONFIG_HUGETLB_PAGE=y CONFIG_RAMFS=y CONFIG_RELAYFS_FS=m CONFIG_NFS_FS=y CONFIG_NFS_V3=y CONFIG_NFS_V3_ACL=y CONFIG_NFSD=y CONFIG_NFSD_V2_ACL=y CONFIG_NFSD_V3=y CONFIG_NFSD_V3_ACL=y CONFIG_LOCKD=y CONFIG_LOCKD_V4=y CONFIG_EXPORTFS=y CONFIG_NFS_ACL_SUPPORT=y CONFIG_NFS_COMMON=y CONFIG_SUNRPC=y CONFIG_PARTITION_ADVANCED=y CONFIG_MSDOS_PARTITION=y CONFIG_NLS=y CONFIG_NLS_DEFAULT="iso8859-1" CONFIG_NLS_CODEPAGE_437=m CONFIG_NLS_CODEPAGE_850=m CONFIG_NLS_CODEPAGE_852=m CONFIG_NLS_ASCII=m CONFIG_NLS_ISO8859_1=m CONFIG_NLS_ISO8859_2=m CONFIG_NLS_ISO8859_15=m CONFIG_LOG_BUF_SHIFT=14 CONFIG_DEBUG_BUGVERBOSE=y CONFIG_EARLY_PRINTK=y CONFIG_CRYPTO=y CONFIG_CRYPTO_HMAC=y CONFIG_CRYPTO_MD4=m CONFIG_CRYPTO_MD5=m CONFIG_CRYPTO_SHA1=m CONFIG_CRYPTO_SHA256=m CONFIG_CRYPTO_SHA512=m CONFIG_CRYPTO_DES=m CONFIG_CRYPTO_BLOWFISH=m CONFIG_CRYPTO_TWOFISH=m CONFIG_CRYPTO_SERPENT=m CONFIG_CRYPTO_CAST5=m CONFIG_CRYPTO_CAST6=m CONFIG_CRC32=y CONFIG_ZLIB_INFLATE=y CONFIG_GENERIC_HARDIRQS=y CONFIG_GENERIC_IRQ_PROBE=y CONFIG_X86_BIOS_REBOOT=y -- `I won't make a secret of the fact that your statement/question sent a wave of shock and horror through us.' --- David Anderson