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* rmmod from modutils with 2.6.0-test11 -> kernel crash
@ 2003-12-09  9:03 Tuukka Toivonen
  0 siblings, 0 replies; only message in thread
From: Tuukka Toivonen @ 2003-12-09  9:03 UTC (permalink / raw)
  To: linux-kernel

[1.] One line summary of the problem:
When trying to remove some module in use using rmmod from modutils but with
kernel 2.6.0-test11, the kernel crashes.

[2.] Full description of the problem/report:
With rmmod from module-init-tools, it correctly says "module busy" and fails,
but with older rmmod it doesn't  appear to make this test, when running a
new kernel. I know older rmmod should not be used with new kernel, but
someone will anyway do that accidentally (like I did) and I don't think
that the correct behaviour is to crash the kernel.
[Exact behaviour depends on module, but typically "rmmod unix" crashes
immediately]

[3.] Keywords (i.e., modules, networking, kernel):
modules

[4.] Kernel version (from /proc/version):
2.6.0-test11, compiled with gcc 2.95.4.

[7.1.] Software (add the output of the ver_linux script here)
Debian 3.0, modutils 2.4.15-1, module-init-tools-0.9.13-pre,

[7.2.] Processor information (from /proc/cpuinfo):
processor       : 0
vendor_id       : GenuineIntel
cpu family      : 6
model           : 8
model name      : Pentium III (Coppermine)
stepping        : 6
cpu MHz         : 927.186
cache size      : 256 KB
fdiv_bug        : no
hlt_bug         : no
f00f_bug        : no
coma_bug        : no
fpu             : yes
fpu_exception   : yes
cpuid level     : 2
wp              : yes
flags           : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca
cmov pat pse36 mmx fxsr sse
bogomips        : 1830.91

processor       : 1
vendor_id       : GenuineIntel
cpu family      : 6
model           : 8
model name      : Pentium III (Coppermine)
stepping        : 6
cpu MHz         : 927.186
cache size      : 256 KB
fdiv_bug        : no
hlt_bug         : no
f00f_bug        : no
coma_bug        : no
fpu             : yes
fpu_exception   : yes
cpuid level     : 2
wp              : yes
flags           : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca
cmov pat pse36 mmx fxsr sse
bogomips        : 1851.39

[7.7.] Other information that might be relevant to the problem
Kernel config:
CONFIG_X86=y
CONFIG_MMU=y
CONFIG_UID16=y
CONFIG_GENERIC_ISA_DMA=y

CONFIG_EXPERIMENTAL=y
CONFIG_STANDALONE=y
CONFIG_BROKEN=y
CONFIG_BROKEN_ON_SMP=y

CONFIG_SYSVIPC=y
CONFIG_SYSCTL=y
CONFIG_LOG_BUF_SHIFT=17
CONFIG_IKCONFIG=y
CONFIG_IKCONFIG_PROC=y
CONFIG_KALLSYMS=y
CONFIG_FUTEX=y
CONFIG_EPOLL=y
CONFIG_IOSCHED_NOOP=y
CONFIG_IOSCHED_AS=y
CONFIG_IOSCHED_DEADLINE=y

CONFIG_MODULES=y
CONFIG_MODULE_UNLOAD=y
CONFIG_MODULE_FORCE_UNLOAD=y
CONFIG_OBSOLETE_MODPARM=y
CONFIG_KMOD=y

CONFIG_X86_PC=y
CONFIG_MPENTIUMIII=y
CONFIG_X86_CMPXCHG=y
CONFIG_X86_XADD=y
CONFIG_X86_L1_CACHE_SHIFT=5
CONFIG_RWSEM_XCHGADD_ALGORITHM=y
CONFIG_X86_WP_WORKS_OK=y
CONFIG_X86_INVLPG=y
CONFIG_X86_BSWAP=y
CONFIG_X86_POPAD_OK=y
CONFIG_X86_GOOD_APIC=y
CONFIG_X86_INTEL_USERCOPY=y
CONFIG_X86_USE_PPRO_CHECKSUM=y
CONFIG_SMP=y
CONFIG_NR_CPUS=2
CONFIG_PREEMPT=y
CONFIG_X86_LOCAL_APIC=y
CONFIG_X86_IO_APIC=y
CONFIG_X86_TSC=y
CONFIG_X86_MCE=y
CONFIG_MICROCODE=m
CONFIG_X86_MSR=m
CONFIG_X86_CPUID=m
CONFIG_EDD=m
CONFIG_HIGHMEM4G=y
CONFIG_HIGHMEM=y
CONFIG_MTRR=y
CONFIG_HAVE_DEC_LOCK=y

CONFIG_PM=y

CONFIG_ACPI_BOOT=y

CONFIG_APM=m
CONFIG_APM_DO_ENABLE=y
CONFIG_APM_DISPLAY_BLANK=y
CONFIG_APM_RTC_IS_GMT=y

CONFIG_PCI=y
CONFIG_PCI_GOANY=y
CONFIG_PCI_BIOS=y
CONFIG_PCI_DIRECT=y
CONFIG_PCI_LEGACY_PROC=y
CONFIG_PCI_NAMES=y

CONFIG_BINFMT_ELF=y
CONFIG_BINFMT_AOUT=m
CONFIG_BINFMT_MISC=m

CONFIG_MTD=m

CONFIG_PARPORT=m
CONFIG_PARPORT_PC=m
CONFIG_PARPORT_PC_CML1=m
CONFIG_PARPORT_PC_FIFO=y
CONFIG_PARPORT_1284=y

CONFIG_BLK_DEV_FD=m
CONFIG_BLK_DEV_LOOP=m
CONFIG_BLK_DEV_CRYPTOLOOP=m
CONFIG_BLK_DEV_NBD=m
CONFIG_BLK_DEV_RAM=m
CONFIG_BLK_DEV_RAM_SIZE=4096

CONFIG_IDE=y
CONFIG_BLK_DEV_IDE=y

CONFIG_BLK_DEV_IDEDISK=y
CONFIG_BLK_DEV_IDECD=m
CONFIG_IDE_TASK_IOCTL=y
CONFIG_IDE_TASKFILE_IO=y

CONFIG_BLK_DEV_IDEPCI=y
CONFIG_IDEPCI_SHARE_IRQ=y
CONFIG_BLK_DEV_GENERIC=y
CONFIG_BLK_DEV_IDEDMA_PCI=y
CONFIG_IDEDMA_PCI_AUTO=y
CONFIG_IDEDMA_ONLYDISK=y
CONFIG_BLK_DEV_ADMA=y
CONFIG_BLK_DEV_PIIX=y
CONFIG_BLK_DEV_IDEDMA=y
CONFIG_IDEDMA_AUTO=y

CONFIG_SCSI=m
CONFIG_SCSI_PROC_FS=y

CONFIG_BLK_DEV_SD=m
CONFIG_BLK_DEV_SR=m
CONFIG_CHR_DEV_SG=m

CONFIG_SCSI_REPORT_LUNS=y
CONFIG_SCSI_CONSTANTS=y

CONFIG_SCSI_AIC7XXX=m
CONFIG_AIC7XXX_CMDS_PER_DEVICE=253
CONFIG_AIC7XXX_RESET_DELAY_MS=1500
CONFIG_AIC7XXX_DEBUG_MASK=0
CONFIG_AIC7XXX_REG_PRETTY_PRINT=y

CONFIG_MD=y
CONFIG_BLK_DEV_MD=m
CONFIG_MD_LINEAR=m
CONFIG_MD_RAID0=m
CONFIG_MD_RAID1=m
CONFIG_MD_RAID5=m

CONFIG_NET=y

CONFIG_PACKET=m
CONFIG_PACKET_MMAP=y
CONFIG_NETLINK_DEV=m
CONFIG_UNIX=m
CONFIG_INET=y

CONFIG_NETFILTER=y

CONFIG_IP_NF_CONNTRACK=m
CONFIG_IP_NF_QUEUE=m
CONFIG_IP_NF_IPTABLES=m
CONFIG_IP_NF_MATCH_IPRANGE=m
CONFIG_IP_NF_FILTER=m
CONFIG_IP_NF_TARGET_REJECT=m
CONFIG_IP_NF_NAT_NEEDED=y
CONFIG_IP_NF_COMPAT_IPCHAINS=m

CONFIG_IPV6_SCTP__=y

CONFIG_NETDEVICES=y

CONFIG_DUMMY=m

CONFIG_NET_ETHERNET=y
CONFIG_MII=m
CONFIG_NET_VENDOR_3COM=y
CONFIG_VORTEX=m

CONFIG_NET_PCI=y
CONFIG_NE2K_PCI=m
CONFIG_8139TOO=m

CONFIG_PLIP=m
CONFIG_PPP=m
CONFIG_PPP_ASYNC=m
CONFIG_PPP_DEFLATE=m
CONFIG_PPP_BSDCOMP=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_EVDEV=m

CONFIG_GAMEPORT=m
CONFIG_SOUND_GAMEPORT=m
CONFIG_SERIO=y
CONFIG_SERIO_I8042=y
CONFIG_SERIO_SERPORT=m

CONFIG_INPUT_KEYBOARD=y
CONFIG_KEYBOARD_ATKBD=y
CONFIG_KEYBOARD_SUNKBD=m
CONFIG_INPUT_MOUSE=y
CONFIG_MOUSE_PS2=m
CONFIG_MOUSE_SERIAL=m
CONFIG_INPUT_MISC=y
CONFIG_INPUT_PCSPKR=m
CONFIG_INPUT_UINPUT=m

CONFIG_VT=y
CONFIG_VT_CONSOLE=y
CONFIG_HW_CONSOLE=y

CONFIG_SERIAL_8250=m
CONFIG_SERIAL_8250_NR_UARTS=2

CONFIG_SERIAL_CORE=m
CONFIG_UNIX98_PTYS=y
CONFIG_UNIX98_PTY_COUNT=256
CONFIG_PRINTER=m
CONFIG_PPDEV=m

CONFIG_I2C=m
CONFIG_I2C_CHARDEV=m

CONFIG_I2C_ALGOBIT=m
CONFIG_I2C_ALGOPCF=m

CONFIG_I2C_I810=m
CONFIG_I2C_PIIX4=m
CONFIG_SCx200_ACB=m

CONFIG_I2C_SENSOR=m
CONFIG_SENSORS_ADM1021=m
CONFIG_SENSORS_EEPROM=m
CONFIG_SENSORS_IT87=m
CONFIG_SENSORS_LM75=m
CONFIG_SENSORS_LM78=m
CONFIG_SENSORS_LM85=m
CONFIG_SENSORS_VIA686A=m
CONFIG_SENSORS_W83781D=m

CONFIG_BUSMOUSE=m

CONFIG_IPMI_HANDLER=m
CONFIG_IPMI_PANIC_EVENT=y
CONFIG_IPMI_DEVICE_INTERFACE=m
CONFIG_IPMI_KCS=m
CONFIG_IPMI_WATCHDOG=m

CONFIG_NVRAM=m
CONFIG_RTC=m
CONFIG_GEN_RTC=m
CONFIG_GEN_RTC_X=y

CONFIG_AGP=m
CONFIG_AGP_INTEL=m
CONFIG_DRM=y
CONFIG_DRM_MGA=m
CONFIG_RAW_DRIVER=m
CONFIG_MAX_RAW_DEVS=4
CONFIG_HANGCHECK_TIMER=m

CONFIG_VIDEO_DEV=m

CONFIG_VIDEO_BT848=m

CONFIG_VIDEO_TUNER=m
CONFIG_VIDEO_BUF=m
CONFIG_VIDEO_BTCX=m

CONFIG_VGA_CONSOLE=y
CONFIG_DUMMY_CONSOLE=y

CONFIG_SOUND=m

CONFIG_SND=m
CONFIG_SND_SEQUENCER=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_VERBOSE_PRINTK=y

CONFIG_SND_DUMMY=m

CONFIG_SND_CS46XX=m

CONFIG_SND_USB_AUDIO=m

CONFIG_USB=m
CONFIG_USB_DEBUG=y

CONFIG_USB_DEVICEFS=y

CONFIG_USB_UHCI_HCD=m

CONFIG_USB_AUDIO=m

CONFIG_USB_PWC=m

CONFIG_EXT2_FS=m
CONFIG_EXT3_FS=m
CONFIG_JBD=m
CONFIG_REISERFS_FS=y
CONFIG_JFS_FS=m
CONFIG_XFS_FS=m
CONFIG_MINIX_FS=m
CONFIG_ROMFS_FS=m
CONFIG_AUTOFS4_FS=m

CONFIG_ISO9660_FS=m
CONFIG_JOLIET=y
CONFIG_UDF_FS=m

CONFIG_FAT_FS=m
CONFIG_MSDOS_FS=m
CONFIG_VFAT_FS=m
CONFIG_NTFS_FS=m
CONFIG_NTFS_RW=y

CONFIG_PROC_FS=y
CONFIG_PROC_KCORE=y
CONFIG_DEVPTS_FS=y
CONFIG_TMPFS=y
CONFIG_RAMFS=y

CONFIG_AFFS_FS=m
CONFIG_CRAMFS=m

CONFIG_NFS_FS=m
CONFIG_NFS_V3=y
CONFIG_NFSD=m
CONFIG_NFSD_V3=y
CONFIG_LOCKD=m
CONFIG_LOCKD_V4=y
CONFIG_EXPORTFS=m
CONFIG_SUNRPC=m
CONFIG_SMB_FS=m
CONFIG_CODA_FS=m
CONFIG_INTERMEZZO_FS=m

CONFIG_PARTITION_ADVANCED=y
CONFIG_MSDOS_PARTITION=y
CONFIG_SMB_NLS=y
CONFIG_NLS=y

CONFIG_NLS_DEFAULT="iso8859-1"
CONFIG_NLS_CODEPAGE_437=m
CONFIG_NLS_CODEPAGE_850=m
CONFIG_NLS_ISO8859_1=m
CONFIG_NLS_ISO8859_15=m
CONFIG_NLS_UTF8=m

CONFIG_DEBUG_KERNEL=y
CONFIG_DEBUG_STACKOVERFLOW=y
CONFIG_DEBUG_SLAB=y
CONFIG_DEBUG_IOVIRT=y
CONFIG_MAGIC_SYSRQ=y
CONFIG_DEBUG_SPINLOCK=y
CONFIG_DEBUG_SPINLOCK_SLEEP=y
CONFIG_X86_EXTRA_IRQS=y
CONFIG_X86_FIND_SMP_CONFIG=y
CONFIG_X86_MPPARSE=y

CONFIG_CRYPTO=y
CONFIG_CRYPTO_NULL=m
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_AES=m
CONFIG_CRYPTO_CAST5=m
CONFIG_CRYPTO_CAST6=m
CONFIG_CRYPTO_DEFLATE=m

CONFIG_CRC32=m
CONFIG_ZLIB_INFLATE=m
CONFIG_ZLIB_DEFLATE=m
CONFIG_X86_SMP=y
CONFIG_X86_HT=y
CONFIG_X86_BIOS_REBOOT=y
CONFIG_X86_TRAMPOLINE=y
CONFIG_PC=y

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2003-12-09  9:03 rmmod from modutils with 2.6.0-test11 -> kernel crash Tuukka Toivonen

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