Alexander Viro <viro@math.psu.edu> writes:
> On 6 Feb 1999, Philippe Troin wrote:
>
> > Rebooted, ran them on the console.
> > Got a really bad oops, the log was garbled, the only thing I could
> > note down was EIP, which translates to:
> >
> > 0xc01115d2 is in del_timer (sched.c:475).
> > 470 static inline int detach_timer(struct timer_list *timer)
> > 471 {
> > 472 struct timer_list *prev = timer->prev;
> > 473 if (prev) {
> > 474 struct timer_list *next = timer->next;
> > 475 prev->next = next;
> > 476 if (next)
> > 477 next->prev = prev;
> > 478 return 1;
> > 479 }
> >
> > ...which is rather unusable.
> >
> > Methinks there's still a problem, and just checking for tty->termios
> > to be non-null fixes one symptom.
> >
> > Are these 'dev (03:00) tty->count(0) != #fd's(2) in do_tty_hangup'
> > and 'null tty in fasync' really harmless ?
>
> It means that either you've got a struct file leak or something is playing
> bad games with filp->private_data. In theory it may be any other subsystem
> using the same field. IIRC tty code more or less blindly assumes that
> meaningful value in private_data means that we have a tty-related struct
> file. Potential candidates: AFFS, CODA(?), drivers/net/cosa.c(?), ISDN,
> APM(?), MTRR(?). Do you have any of those beasts?
First it only happens in SMP.
The only thing I've got from the above list is MTRR. However I don't
see how it might play with filp->private data.
Enclosed is the .condig file I use.
Phil.
--Multipart_Sat_Feb__6_17:17:01_1999-1
Content-Type: application/octet-stream
Content-Disposition: attachment; filename=".config"
Content-Transfer-Encoding: quoted-printable
#
# Automatically generated make config: don't edit
#
#
# Code maturity level options
#
CONFIG_EXPERIMENTAL=3Dy
#
# Processor type and features
#
# CONFIG_M386 is not set
# CONFIG_M486 is not set
# CONFIG_M586 is not set
# CONFIG_M586TSC is not set
CONFIG_M686=3Dy
CONFIG_X86_WP_WORKS_OK=3Dy
CONFIG_X86_INVLPG=3Dy
CONFIG_X86_BSWAP=3Dy
CONFIG_X86_POPAD_OK=3Dy
CONFIG_X86_TSC=3Dy
CONFIG_X86_GOOD_APIC=3Dy
# CONFIG_MATH_EMULATION is not set
CONFIG_MTRR=3Dy
CONFIG_SMP=3Dy
#
# Loadable module support
#
CONFIG_MODULES=3Dy
# CONFIG_MODVERSIONS is not set
# CONFIG_KMOD is not set
#
# General setup
#
CONFIG_NET=3Dy
CONFIG_PCI=3Dy
# CONFIG_PCI_GOBIOS is not set
CONFIG_PCI_GODIRECT=3Dy
# CONFIG_PCI_GOANY is not set
CONFIG_PCI_DIRECT=3Dy
CONFIG_PCI_QUIRKS=3Dy
CONFIG_PCI_OPTIMIZE=3Dy
# CONFIG_PCI_OLD_PROC is not set
# CONFIG_MCA is not set
# CONFIG_VISWS is not set
CONFIG_X86_IO_APIC=3Dy
CONFIG_X86_LOCAL_APIC=3Dy
CONFIG_SYSVIPC=3Dy
CONFIG_BSD_PROCESS_ACCT=3Dy
CONFIG_SYSCTL=3Dy
# CONFIG_BINFMT_AOUT is not set
CONFIG_BINFMT_ELF=3Dy
CONFIG_BINFMT_MISC=3Dy
# CONFIG_BINFMT_JAVA is not set
CONFIG_PARPORT=3Dm
CONFIG_PARPORT_PC=3Dm
# CONFIG_PARPORT_OTHER is not set
# CONFIG_APM is not set
#
# Plug and Play support
#
# CONFIG_PNP is not set
#
# Block devices
#
CONFIG_BLK_DEV_FD=3Dy
# CONFIG_BLK_DEV_IDE is not set
#
# Please see Documentation/ide.txt for help/info on IDE drives
#
# CONFIG_BLK_DEV_HD_ONLY is not set
#
# Additional Block Devices
#
CONFIG_BLK_DEV_LOOP=3Dy
# CONFIG_BLK_DEV_NBD is not set
# CONFIG_BLK_DEV_MD is not set
# CONFIG_BLK_DEV_RAM is not set
# CONFIG_BLK_DEV_XD is not set
CONFIG_PARIDE_PARPORT=3Dm
# CONFIG_PARIDE is not set
# CONFIG_BLK_DEV_HD is not set
#
# Networking options
#
CONFIG_PACKET=3Dy
# CONFIG_NETLINK is not set
# CONFIG_FIREWALL is not set
# CONFIG_NET_ALIAS is not set
CONFIG_FILTER=3Dy
CONFIG_UNIX=3Dy
CONFIG_INET=3Dy
CONFIG_IP_MULTICAST=3Dy
# CONFIG_IP_ADVANCED_ROUTER is not set
# CONFIG_IP_PNP is not set
# CONFIG_IP_ROUTER is not set
# CONFIG_NET_IPIP is not set
# CONFIG_NET_IPGRE is not set
# CONFIG_IP_MROUTE is not set
# CONFIG_IP_ALIAS is not set
CONFIG_SYN_COOKIES=3Dy
#
# (it is safe to leave these untouched)
#
# CONFIG_INET_RARP is not set
CONFIG_IP_NOSR=3Dy
CONFIG_SKB_LARGE=3Dy
# CONFIG_IPV6 is not set
#
# =
#
# CONFIG_IPX is not set
# CONFIG_ATALK is not set
# CONFIG_X25 is not set
# CONFIG_LAPB is not set
# CONFIG_BRIDGE is not set
# CONFIG_LLC is not set
# CONFIG_ECONET is not set
# CONFIG_WAN_ROUTER is not set
# CONFIG_NET_FASTROUTE is not set
# CONFIG_NET_HW_FLOWCONTROL is not set
# CONFIG_CPU_IS_SLOW is not set
#
# QoS and/or fair queueing
#
# CONFIG_NET_SCHED is not set
#
# SCSI support
#
CONFIG_SCSI=3Dy
#
# SCSI support type (disk, tape, CD-ROM)
#
CONFIG_BLK_DEV_SD=3Dy
CONFIG_CHR_DEV_ST=3Dy
CONFIG_BLK_DEV_SR=3Dy
# CONFIG_BLK_DEV_SR_VENDOR is not set
CONFIG_CHR_DEV_SG=3Dy
#
# Some SCSI devices (e.g. CD jukebox) support multiple LUNs
#
CONFIG_SCSI_MULTI_LUN=3Dy
CONFIG_SCSI_CONSTANTS=3Dy
# CONFIG_SCSI_LOGGING is not set
#
# SCSI low-level drivers
#
# CONFIG_SCSI_7000FASST is not set
# CONFIG_SCSI_ACARD is not set
# CONFIG_SCSI_AHA152X is not set
# CONFIG_SCSI_AHA1542 is not set
# CONFIG_SCSI_AHA1740 is not set
CONFIG_SCSI_AIC7XXX=3Dy
CONFIG_OVERRIDE_CMDS=3Dy
CONFIG_AIC7XXX_CMDS_PER_LUN=3D24
CONFIG_AIC7XXX_PROC_STATS=3Dy
CONFIG_AIC7XXX_RESET_DELAY=3D5
# CONFIG_SCSI_ADVANSYS is not set
# CONFIG_SCSI_IN2000 is not set
# CONFIG_SCSI_AM53C974 is not set
# CONFIG_SCSI_MEGARAID is not set
# CONFIG_SCSI_BUSLOGIC is not set
# CONFIG_SCSI_DTC3280 is not set
# CONFIG_SCSI_EATA is not set
# CONFIG_SCSI_EATA_DMA is not set
# CONFIG_SCSI_EATA_PIO is not set
# CONFIG_SCSI_FUTURE_DOMAIN is not set
# CONFIG_SCSI_GDTH is not set
# CONFIG_SCSI_GENERIC_NCR5380 is not set
# CONFIG_SCSI_G_NCR5380_PORT is not set
# CONFIG_SCSI_G_NCR5380_MEM is not set
# CONFIG_SCSI_INITIO is not set
# CONFIG_SCSI_PPA is not set
# CONFIG_SCSI_IMM is not set
# CONFIG_SCSI_NCR53C406A is not set
# CONFIG_SCSI_NCR53C7xx is not set
# CONFIG_SCSI_NCR53C8XX is not set
# CONFIG_SCSI_PAS16 is not set
# CONFIG_SCSI_PCI2000 is not set
# CONFIG_SCSI_PCI2220I is not set
# CONFIG_SCSI_PSI240I is not set
# CONFIG_SCSI_QLOGIC_FAS is not set
# CONFIG_SCSI_QLOGIC_ISP is not set
# CONFIG_SCSI_SEAGATE is not set
# CONFIG_SCSI_DC390T is not set
# CONFIG_SCSI_T128 is not set
# CONFIG_SCSI_U14_34F is not set
# CONFIG_SCSI_ULTRASTOR is not set
# CONFIG_SCSI_DEBUG is not set
#
# Network device support
#
CONFIG_NETDEVICES=3Dy
# CONFIG_ARCNET is not set
CONFIG_DUMMY=3Dm
# CONFIG_EQUALIZER is not set
CONFIG_NET_ETHERNET=3Dy
CONFIG_NET_VENDOR_3COM=3Dy
# CONFIG_EL1 is not set
# CONFIG_EL2 is not set
# CONFIG_ELPLUS is not set
# CONFIG_EL16 is not set
# CONFIG_EL3 is not set
# CONFIG_3C515 is not set
CONFIG_VORTEX=3Dy
# CONFIG_LANCE is not set
# CONFIG_NET_VENDOR_SMC is not set
# CONFIG_NET_VENDOR_RACAL is not set
# CONFIG_RTL8139 is not set
# CONFIG_YELLOWFIN is not set
# CONFIG_ACENIC is not set
# CONFIG_NET_ISA is not set
# CONFIG_NET_EISA is not set
# CONFIG_NET_POCKET is not set
# CONFIG_FDDI is not set
# CONFIG_HIPPI is not set
# CONFIG_DLCI is not set
# CONFIG_PLIP is not set
CONFIG_PPP=3Dm
#
# CCP compressors for PPP are only built as modules.
#
CONFIG_SLIP=3Dm
# CONFIG_SLIP_COMPRESSED is not set
# CONFIG_SLIP_SMART is not set
# CONFIG_SLIP_MODE_SLIP6 is not set
# CONFIG_NET_RADIO is not set
# CONFIG_TR is not set
# CONFIG_SHAPER is not set
# CONFIG_HOSTESS_SV11 is not set
# CONFIG_COSA is not set
# CONFIG_RCPCI is not set
#
# Amateur Radio support
#
# CONFIG_HAMRADIO is not set
#
# IrDA subsystem support
#
# CONFIG_IRDA is not set
#
# ISDN subsystem
#
# CONFIG_ISDN is not set
#
# Old CD-ROM drivers (not SCSI, not IDE)
#
# CONFIG_CD_NO_IDESCSI is not set
#
# Character devices
#
CONFIG_VT=3Dy
CONFIG_VT_CONSOLE=3Dy
CONFIG_SERIAL=3Dy
# CONFIG_SERIAL_CONSOLE is not set
# CONFIG_SERIAL_EXTENDED is not set
# CONFIG_SERIAL_NONSTANDARD is not set
# CONFIG_UNIX98_PTYS is not set
CONFIG_PRINTER=3Dm
CONFIG_PRINTER_READBACK=3Dy
# CONFIG_MOUSE is not set
# CONFIG_QIC02_TAPE is not set
# CONFIG_WATCHDOG is not set
CONFIG_NVRAM=3Dy
CONFIG_RTC=3Dy
#
# Video For Linux
#
# CONFIG_VIDEO_DEV is not set
#
# Joystick support
#
CONFIG_JOYSTICK=3Dy
CONFIG_JOY_ANALOG=3Dy
# CONFIG_JOY_ASSASIN is not set
# CONFIG_JOY_GRAVIS is not set
# CONFIG_JOY_LOGITECH is not set
# CONFIG_JOY_SIDEWINDER is not set
# CONFIG_JOY_THRUSTMASTER is not set
# CONFIG_JOY_LIGHTNING is not set
# CONFIG_JOY_CONSOLE is not set
# CONFIG_JOY_DB9 is not set
# CONFIG_JOY_TURBOGRAFX is not set
#
# Ftape, the floppy tape device driver
#
# CONFIG_FTAPE is not set
# CONFIG_FT_NORMAL_DEBUG is not set
# CONFIG_FT_FULL_DEBUG is not set
# CONFIG_FT_NO_TRACE is not set
# CONFIG_FT_NO_TRACE_AT_ALL is not set
# CONFIG_FT_STD_FDC is not set
# CONFIG_FT_MACH2 is not set
# CONFIG_FT_PROBE_FC10 is not set
# CONFIG_FT_ALT_FDC is not set
#
# Filesystems
#
# CONFIG_QUOTA is not set
# CONFIG_AUTOFS_FS is not set
# CONFIG_ADFS_FS is not set
# CONFIG_AFFS_FS is not set
# CONFIG_HFS_FS is not set
CONFIG_FAT_FS=3Dy
CONFIG_MSDOS_FS=3Dy
# CONFIG_UMSDOS_FS is not set
CONFIG_VFAT_FS=3Dy
CONFIG_ISO9660_FS=3Dy
CONFIG_JOLIET=3Dy
CONFIG_MINIX_FS=3Dm
# CONFIG_NTFS_FS is not set
# CONFIG_HPFS_FS is not set
CONFIG_PROC_FS=3Dy
# CONFIG_QNX4FS_FS is not set
# CONFIG_ROMFS_FS is not set
CONFIG_EXT2_FS=3Dy
# CONFIG_SYSV_FS is not set
# CONFIG_UFS_FS is not set
#
# Network File Systems
#
# CONFIG_CODA_FS is not set
CONFIG_NFS_FS=3Dy
CONFIG_NFSD=3Dy
# CONFIG_NFSD_SUN is not set
CONFIG_SUNRPC=3Dy
CONFIG_LOCKD=3Dy
# CONFIG_SMB_FS is not set
# CONFIG_NCP_FS is not set
#
# Partition Types
#
# CONFIG_BSD_DISKLABEL is not set
# CONFIG_MAC_PARTITION is not set
# CONFIG_SMD_DISKLABEL is not set
# CONFIG_SOLARIS_X86_PARTITION is not set
# CONFIG_UNIXWARE_DISKLABEL is not set
CONFIG_NLS=3Dy
#
# Native Language Support
#
CONFIG_NLS_CODEPAGE_437=3Dy
# CONFIG_NLS_CODEPAGE_737 is not set
# CONFIG_NLS_CODEPAGE_775 is not set
CONFIG_NLS_CODEPAGE_850=3Dy
# CONFIG_NLS_CODEPAGE_852 is not set
# CONFIG_NLS_CODEPAGE_855 is not set
# CONFIG_NLS_CODEPAGE_857 is not set
# CONFIG_NLS_CODEPAGE_860 is not set
# CONFIG_NLS_CODEPAGE_861 is not set
# CONFIG_NLS_CODEPAGE_862 is not set
# CONFIG_NLS_CODEPAGE_863 is not set
# CONFIG_NLS_CODEPAGE_864 is not set
# CONFIG_NLS_CODEPAGE_865 is not set
# CONFIG_NLS_CODEPAGE_866 is not set
# CONFIG_NLS_CODEPAGE_869 is not set
# CONFIG_NLS_CODEPAGE_874 is not set
CONFIG_NLS_ISO8859_1=3Dy
# CONFIG_NLS_ISO8859_2 is not set
# CONFIG_NLS_ISO8859_3 is not set
# CONFIG_NLS_ISO8859_4 is not set
# CONFIG_NLS_ISO8859_5 is not set
# CONFIG_NLS_ISO8859_6 is not set
# CONFIG_NLS_ISO8859_7 is not set
# CONFIG_NLS_ISO8859_8 is not set
# CONFIG_NLS_ISO8859_9 is not set
# CONFIG_NLS_ISO8859_15 is not set
# CONFIG_NLS_KOI8_R is not set
#
# Console drivers
#
CONFIG_VGA_CONSOLE=3Dy
CONFIG_VIDEO_SELECT=3Dy
# CONFIG_MDA_CONSOLE is not set
# CONFIG_FB is not set
#
# Sound
#
CONFIG_SOUND=3Dy
# CONFIG_SOUND_ES1370 is not set
# CONFIG_SOUND_ES1371 is not set
# CONFIG_SOUND_SONICVIBES is not set
# CONFIG_SOUND_MSNDCLAS is not set
# CONFIG_SOUND_MSNDPIN is not set
CONFIG_SOUND_OSS=3Dy
# CONFIG_SOUND_PAS is not set
CONFIG_SOUND_SB=3Dy
CONFIG_SB_BASE=3D220
CONFIG_SB_IRQ=3D5
CONFIG_SB_DMA=3D1
CONFIG_SB_DMA2=3D5
CONFIG_SB_MPU_BASE=3D330
#
# MPU401 IRQ is only required with Jazz16, SM Wave and ESS1688.
#
#
# Enter -1 to the following question if you have something else such as S=
B16/32.
#
CONFIG_SB_MPU_IRQ=3D-1
# CONFIG_SOUND_ADLIB is not set
# CONFIG_SOUND_GUS is not set
# CONFIG_SOUND_MPU401 is not set
# CONFIG_SOUND_PSS is not set
# CONFIG_SOUND_MSS is not set
# CONFIG_SOUND_SSCAPE is not set
# CONFIG_SOUND_TRIX is not set
# CONFIG_SOUND_MAD16 is not set
# CONFIG_SOUND_WAVEFRONT is not set
# CONFIG_SOUND_CS4232 is not set
# CONFIG_SOUND_OPL3SA2 is not set
# CONFIG_SOUND_MAUI is not set
# CONFIG_SOUND_SGALAXY is not set
# CONFIG_SOUND_AD1816 is not set
# CONFIG_SOUND_OPL3SA1 is not set
# CONFIG_SOUND_SOFTOSS is not set
CONFIG_SOUND_YM3812=3Dy
# CONFIG_SOUND_VMIDI is not set
# CONFIG_SOUND_UART6850 is not set
#
# Additional low level sound drivers
#
# CONFIG_LOWLEVEL_SOUND is not set
#
# Kernel hacking
#
CONFIG_MAGIC_SYSRQ=3Dy
--Multipart_Sat_Feb__6_17:17:01_1999-1--
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