On Mon, Jun 25, 2012 at 12:17:13PM +0200, Marc Kleine-Budde wrote: > On 06/25/2012 12:03 PM, Richard Zhao wrote: > > Could you use my USB test branch? > > Same result: > > ci_hdrc ci_hdrc.0: remove, state 1 > usb usb1: USB disconnect, device number 1 > ci_hdrc ci_hdrc.0: USB bus 1 deregistered > Unable to handle kernel NULL pointer dereference at virtual address 0000006c > pgd = c6ba4000 > [0000006c] *pgd=46a68831, *pte=00000000, *ppte=00000000 > Internal error: Oops: 17 [#1] PREEMPT ARM > Modules linked in: ci13xxx_imx(-) ci_hdrc imx_usbmisc > CPU: 0 Not tainted (3.5.0-rc4-00058-g01710ef #85) > PC is at ida_remove+0xa0/0x110 > LR is at ida_simple_remove+0x30/0x60 > pc : [<c0154294>] lr : [<c01544f4>] psr: a0000093 > sp : c6b9fed0 ip : 80000000 fp : 0023f008 > r10: d9a22647 r9 : c6b9e000 r8 : 08421085 > r7 : 00000001 r6 : 0000034b r5 : bf00de34 r4 : 00000000 > r3 : c6a7f0c0 r2 : 001bb89f r1 : 6b6b6b6b r0 : 00000068 > Flags: NzCv IRQs off FIQs on Mode SVC_32 ISA ARM Segment user > Control: 0005317f Table: 46ba4000 DAC: 00000015 > Process rmmod (pid: 142, stack limit = 0xc6b9e270) > Stack: (0xc6b9fed0 to 0xc6ba0000) > fec0: c6b9e000 20000013 6b6b6b6b bf00de34 > fee0: c6b9e000 c0009408 00000000 c01544f4 c082a3b0 c7865980 bf019634 bf01901c > ff00: bf019000 c7865988 bf019634 c018dad8 c018dac4 c018c5e0 bf019634 c7865988 > ff20: c78659bc c018cdbc c6a86360 bf019688 bf019634 c0e690d0 0023f0b8 c018c438 > ff40: bf019688 c6b9e000 00000000 c004c56c c75352a8 33316963 5f787878 00786d69 > ff60: 0023f008 c00a5088 c7812138 c6a4a388 00000000 c782c908 c6a4a388 c0088648 > ff80: 00000003 c782c908 c6b9e000 00088730 00002002 00000001 0023f088 beea3e5c > ffa0: 00000081 c0009260 00000001 0023f088 0023f0b8 00000800 b6f4c65c beea3c00 > ffc0: 00000001 0023f088 beea3e5c 00000081 0023f088 00000000 00000800 0023f008 > ffe0: b6f10bc0 beea3c04 b6f8a5f8 b6f10bcc 60000010 0023f0b8 00000000 00000000 > [<c0154294>] (ida_remove+0xa0/0x110) from [<c01544f4>] (ida_simple_remove+0x30/0x60) > [<c01544f4>] (ida_simple_remove+0x30/0x60) from [<bf01901c>] (ci13xxx_imx_remove+0x1c/0x84 [ci13xxx_imx]) > [<bf01901c>] (ci13xxx_imx_remove+0x1c/0x84 [ci13xxx_imx]) from [<c018dad8>] (platform_drv_remove+0x14/0x18) > [<c018dad8>] (platform_drv_remove+0x14/0x18) from [<c018c5e0>] (__device_release_driver+0x58/0xa8) > [<c018c5e0>] (__device_release_driver+0x58/0xa8) from [<c018cdbc>] (driver_detach+0xcc/0xd8) > [<c018cdbc>] (driver_detach+0xcc/0xd8) from [<c018c438>] (bus_remove_driver+0x7c/0xc0) > [<c018c438>] (bus_remove_driver+0x7c/0xc0) from [<c004c56c>] (sys_delete_module+0x180/0x23c) > [<c004c56c>] (sys_delete_module+0x180/0x23c) from [<c0009260>] (ret_fast_syscall+0x0/0x2c) > Code: e0416286 e5904004 e1a002c6 e0840100 (e5908004) > ---[ end trace 74ff20eb0c5179ff ]--- > note: rmmod[142] exited with preempt_count 1 > Segmentation fault Sorry, I can not reproduce your issue. My defconfig is CONFIG_EXPERIMENTAL=y # CONFIG_LOCALVERSION_AUTO is not set CONFIG_SYSVIPC=y CONFIG_POSIX_MQUEUE=y CONFIG_BSD_PROCESS_ACCT=y CONFIG_NO_HZ=y CONFIG_HIGH_RES_TIMERS=y CONFIG_IKCONFIG=y CONFIG_IKCONFIG_PROC=y CONFIG_CGROUPS=y CONFIG_CPUSETS=y CONFIG_NAMESPACES=y # CONFIG_UTS_NS is not set # CONFIG_IPC_NS is not set # CONFIG_PID_NS is not set # CONFIG_NET_NS is not set CONFIG_RELAY=y CONFIG_BLK_DEV_INITRD=y CONFIG_RD_BZIP2=y CONFIG_RD_LZMA=y CONFIG_RD_XZ=y CONFIG_RD_LZO=y CONFIG_CC_OPTIMIZE_FOR_SIZE=y CONFIG_EXPERT=y CONFIG_SYSCTL_SYSCALL=y CONFIG_KALLSYMS_ALL=y # CONFIG_COMPAT_BRK is not set CONFIG_SLAB=y CONFIG_PROFILING=y CONFIG_OPROFILE=y CONFIG_MODULES=y CONFIG_MODULE_FORCE_LOAD=y CONFIG_MODULE_UNLOAD=y CONFIG_MODULE_FORCE_UNLOAD=y CONFIG_MODVERSIONS=y CONFIG_MODULE_SRCVERSION_ALL=y CONFIG_PARTITION_ADVANCED=y CONFIG_ARCH_MXC=y # CONFIG_MACH_MX31ADS is not set # CONFIG_MACH_BUG is not set CONFIG_SOC_IMX6Q=y CONFIG_MXC_PWM=y CONFIG_ARM_THUMBEE=y CONFIG_ARM_ERRATA_720789=y CONFIG_SMP=y CONFIG_SCHED_MC=y CONFIG_SCHED_SMT=y CONFIG_PREEMPT=y CONFIG_AEABI=y CONFIG_HIGHMEM=y CONFIG_COMPACTION=y CONFIG_KSM=y CONFIG_DEFAULT_MMAP_MIN_ADDR=32768 CONFIG_UACCESS_WITH_MEMCPY=y CONFIG_SECCOMP=y CONFIG_CC_STACKPROTECTOR=y CONFIG_ZBOOT_ROM_TEXT=0x0 CONFIG_ZBOOT_ROM_BSS=0x0 CONFIG_ARM_APPENDED_DTB=y CONFIG_ARM_ATAG_DTB_COMPAT=y CONFIG_KEXEC=y CONFIG_CRASH_DUMP=y CONFIG_CPU_IDLE=y CONFIG_VFP=y CONFIG_NEON=y CONFIG_BINFMT_AOUT=m CONFIG_BINFMT_MISC=m CONFIG_PM_RUNTIME=y CONFIG_PM_DEBUG=y CONFIG_PM_ADVANCED_DEBUG=y CONFIG_NET=y CONFIG_PACKET=y CONFIG_UNIX=y CONFIG_XFRM_USER=y CONFIG_NET_KEY=y CONFIG_NET_KEY_MIGRATE=y CONFIG_INET=y CONFIG_IP_MULTICAST=y CONFIG_IP_PNP=y CONFIG_IP_PNP_DHCP=y CONFIG_IP_PNP_BOOTP=y CONFIG_IP_PNP_RARP=y CONFIG_SYN_COOKIES=y # CONFIG_INET_LRO is not set CONFIG_IPV6=y CONFIG_NETLABEL=y CONFIG_NETFILTER=y CONFIG_CAN=m CONFIG_BT=m CONFIG_BT_HCIUART=m CONFIG_BT_HCIUART_H4=y CONFIG_BT_HCIUART_BCSP=y CONFIG_BT_HCIUART_LL=y CONFIG_BT_HCIBCM203X=m CONFIG_BT_HCIBPA10X=m CONFIG_CFG80211=m CONFIG_WIRELESS_EXT_SYSFS=y CONFIG_MAC80211=m CONFIG_MAC80211_RC_PID=y CONFIG_MAC80211_RC_DEFAULT_PID=y CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug" CONFIG_DEVTMPFS=y CONFIG_DEVTMPFS_MOUNT=y CONFIG_CMA=y CONFIG_CONNECTOR=y CONFIG_MTD=y CONFIG_MTD_CHAR=y CONFIG_MTD_BLOCK=y CONFIG_MTD_OOPS=y CONFIG_MTD_CFI=y CONFIG_MTD_CFI_INTELEXT=y CONFIG_MTD_M25P80=y CONFIG_MTD_SST25L=y CONFIG_MTD_NAND=y CONFIG_MTD_ONENAND=y CONFIG_MTD_ONENAND_VERIFY_WRITE=y CONFIG_MTD_UBI=m CONFIG_PROC_DEVICETREE=y CONFIG_BLK_DEV_LOOP=y CONFIG_BLK_DEV_RAM=y CONFIG_BLK_DEV_RAM_SIZE=65536 CONFIG_BLK_DEV_SD=y CONFIG_SCSI_MULTI_LUN=y CONFIG_SCSI_SCAN_ASYNC=y CONFIG_ATA=y # CONFIG_SATA_PMP is not set CONFIG_SATA_AHCI_PLATFORM=y CONFIG_PATA_IMX=m CONFIG_PATA_PLATFORM=m CONFIG_PATA_OF_PLATFORM=m CONFIG_MD=y CONFIG_BLK_DEV_DM=y CONFIG_NETDEVICES=y # CONFIG_NET_VENDOR_BROADCOM is not set # CONFIG_NET_VENDOR_CHELSIO is not set # CONFIG_NET_VENDOR_FARADAY is not set # CONFIG_NET_VENDOR_INTEL is not set # CONFIG_NET_VENDOR_MARVELL is not set # CONFIG_NET_VENDOR_MICREL is not set # CONFIG_NET_VENDOR_MICROCHIP is not set # CONFIG_NET_VENDOR_NATSEMI is not set # CONFIG_NET_VENDOR_SEEQ is not set # CONFIG_NET_VENDOR_SMSC is not set # CONFIG_NET_VENDOR_STMICRO is not set CONFIG_SMSC_PHY=y CONFIG_USB_USBNET=y CONFIG_USB_NET_SMSC95XX=y CONFIG_USB_ALI_M5632=y CONFIG_USB_AN2720=y CONFIG_USB_EPSON2888=y CONFIG_USB_KC2190=y CONFIG_LIBERTAS_THINFIRM=m CONFIG_LIBERTAS_THINFIRM_USB=m CONFIG_AT76C50X_USB=m CONFIG_USB_ZD1201=m CONFIG_USB_NET_RNDIS_WLAN=m CONFIG_RTL8187=m CONFIG_MAC80211_HWSIM=m CONFIG_ATH_COMMON=m CONFIG_CARL9170=m CONFIG_B43=m CONFIG_B43_PHY_N=y CONFIG_B43LEGACY=m CONFIG_HOSTAP=y CONFIG_HOSTAP_FIRMWARE=y CONFIG_HOSTAP_FIRMWARE_NVRAM=y CONFIG_LIBERTAS=m CONFIG_LIBERTAS_USB=m CONFIG_LIBERTAS_SDIO=m CONFIG_LIBERTAS_SPI=m CONFIG_P54_COMMON=m CONFIG_P54_USB=m CONFIG_P54_SPI=m CONFIG_RT2X00=m CONFIG_RT2500USB=m CONFIG_RT73USB=m CONFIG_RT2800USB=m CONFIG_RT2800USB_RT53XX=y CONFIG_RT2800USB_UNKNOWN=y CONFIG_RTL8192CU=m CONFIG_ZD1211RW=m CONFIG_MWIFIEX=m CONFIG_MWIFIEX_SDIO=m CONFIG_INPUT_MOUSEDEV=m CONFIG_INPUT_JOYDEV=y CONFIG_INPUT_EVDEV=y CONFIG_KEYBOARD_GPIO=y CONFIG_MOUSE_PS2=m CONFIG_INPUT_TOUCHSCREEN=y CONFIG_INPUT_MISC=y CONFIG_INPUT_UINPUT=y CONFIG_VT_HW_CONSOLE_BINDING=y # CONFIG_LEGACY_PTYS is not set # CONFIG_DEVKMEM is not set CONFIG_SERIAL_8250=m CONFIG_SERIAL_8250_NR_UARTS=32 CONFIG_SERIAL_8250_EXTENDED=y CONFIG_SERIAL_8250_MANY_PORTS=y CONFIG_SERIAL_8250_SHARE_IRQ=y CONFIG_SERIAL_8250_DETECT_IRQ=y CONFIG_SERIAL_8250_RSA=y CONFIG_SERIAL_IMX=y CONFIG_SERIAL_IMX_CONSOLE=y CONFIG_I2C=y CONFIG_I2C_CHARDEV=y CONFIG_I2C_MUX=m CONFIG_I2C_MUX_GPIO=m CONFIG_I2C_MUX_PCA9541=m CONFIG_I2C_MUX_PCA954x=m CONFIG_I2C_DESIGNWARE_PLATFORM=m CONFIG_I2C_GPIO=m CONFIG_I2C_IMX=y CONFIG_I2C_OCORES=m CONFIG_I2C_PCA_PLATFORM=m CONFIG_I2C_SIMTEC=m CONFIG_I2C_XILINX=m CONFIG_I2C_DIOLAN_U2C=m CONFIG_I2C_PARPORT_LIGHT=m CONFIG_I2C_TAOS_EVM=m CONFIG_I2C_TINY_USB=m CONFIG_I2C_STUB=m CONFIG_SPI=y CONFIG_SPI_ALTERA=m CONFIG_SPI_GPIO=m CONFIG_SPI_IMX=y CONFIG_SPI_OC_TINY=m CONFIG_SPI_XILINX=m CONFIG_SPI_DESIGNWARE=m CONFIG_SPI_DW_MMIO=m CONFIG_SPI_SPIDEV=m CONFIG_SPI_TLE62X0=m CONFIG_DEBUG_GPIO=y CONFIG_GPIO_SYSFS=y CONFIG_W1=y CONFIG_W1_MASTER_MXC=y CONFIG_POWER_SUPPLY=y CONFIG_HWMON=m CONFIG_THERMAL=y CONFIG_WATCHDOG=y CONFIG_MFD_ANATOP=y CONFIG_REGULATOR=y CONFIG_REGULATOR_FIXED_VOLTAGE=y CONFIG_REGULATOR_VIRTUAL_CONSUMER=y CONFIG_REGULATOR_GPIO=y CONFIG_REGULATOR_ANATOP=y CONFIG_MEDIA_SUPPORT=y CONFIG_VIDEO_DEV=y CONFIG_RC_CORE=m CONFIG_RC_ATI_REMOTE=m CONFIG_IR_IMON=m CONFIG_IR_MCEUSB=m CONFIG_IR_REDRAT3=m CONFIG_IR_STREAMZAP=m CONFIG_RC_LOOPBACK=m CONFIG_USB_VIDEO_CLASS=m CONFIG_FB=y CONFIG_FB_MODE_HELPERS=y CONFIG_BACKLIGHT_LCD_SUPPORT=y CONFIG_LCD_CLASS_DEVICE=y CONFIG_BACKLIGHT_CLASS_DEVICE=y CONFIG_BACKLIGHT_PWM=y CONFIG_FRAMEBUFFER_CONSOLE=y CONFIG_SOUND=y CONFIG_SND=y CONFIG_SND_MIXER_OSS=m CONFIG_SND_PCM_OSS=m CONFIG_SND_VERBOSE_PRINTK=y CONFIG_SND_DEBUG=y # CONFIG_SND_DRIVERS is not set # CONFIG_SND_ARM is not set # CONFIG_SND_SPI is not set # CONFIG_SND_USB is not set CONFIG_SND_SOC=y CONFIG_SND_IMX_SOC=y CONFIG_SND_SOC_IMX_SGTL5000=y # CONFIG_USB_HID is not set CONFIG_USB=y CONFIG_USB_DEBUG=y CONFIG_USB_MON=y # CONFIG_USB_EHCI_TT_NEWSCHED is not set CONFIG_USB_CHIPIDEA=m CONFIG_USB_CHIPIDEA_HOST=y CONFIG_USB_CHIPIDEA_DEBUG=y CONFIG_USB_STORAGE=y CONFIG_USB_LIBUSUAL=y CONFIG_USB_GADGET=y CONFIG_USB_MXS_PHY=y CONFIG_MMC=y CONFIG_SDIO_UART=y CONFIG_MMC_SDHCI=y CONFIG_MMC_SDHCI_PLTFM=y CONFIG_MMC_SDHCI_ESDHC_IMX=y CONFIG_MMC_MXC=y CONFIG_LEDS_CLASS=y CONFIG_LEDS_GPIO=y CONFIG_LEDS_PWM=m CONFIG_LEDS_REGULATOR=m CONFIG_LEDS_TRIGGER_TIMER=m CONFIG_LEDS_TRIGGER_HEARTBEAT=y CONFIG_LEDS_TRIGGER_BACKLIGHT=m CONFIG_LEDS_TRIGGER_GPIO=m CONFIG_LEDS_TRIGGER_DEFAULT_ON=m CONFIG_RTC_CLASS=y CONFIG_DMADEVICES=y CONFIG_IMX_SDMA=y CONFIG_COMMON_CLK_DEBUG=y CONFIG_PM_DEVFREQ=y CONFIG_DEVFREQ_GOV_SIMPLE_ONDEMAND=y CONFIG_DEVFREQ_GOV_PERFORMANCE=y CONFIG_DEVFREQ_GOV_POWERSAVE=y CONFIG_DEVFREQ_GOV_USERSPACE=y CONFIG_EXT2_FS=y CONFIG_EXT3_FS=y CONFIG_EXT4_FS=y CONFIG_BTRFS_FS=y CONFIG_ISO9660_FS=m CONFIG_JOLIET=y CONFIG_ZISOFS=y CONFIG_MSDOS_FS=y CONFIG_VFAT_FS=y CONFIG_TMPFS=y CONFIG_TMPFS_POSIX_ACL=y CONFIG_JFFS2_FS=m CONFIG_JFFS2_SUMMARY=y CONFIG_JFFS2_FS_XATTR=y CONFIG_JFFS2_COMPRESSION_OPTIONS=y CONFIG_JFFS2_LZO=y CONFIG_JFFS2_RUBIN=y CONFIG_UBIFS_FS=m CONFIG_CRAMFS=y CONFIG_NFS_FS=y CONFIG_NFS_V3_ACL=y CONFIG_NFS_V4=y CONFIG_ROOT_NFS=y CONFIG_NLS_CODEPAGE_437=y CONFIG_NLS_ISO8859_1=y CONFIG_PRINTK_TIME=y CONFIG_MAGIC_SYSRQ=y CONFIG_DETECT_HUNG_TASK=y CONFIG_SCHEDSTATS=y CONFIG_TIMER_STATS=y CONFIG_DEBUG_INFO=y CONFIG_DEBUG_MEMORY_INIT=y CONFIG_FUNCTION_TRACER=y CONFIG_STRICT_DEVMEM=y CONFIG_DEBUG_USER=y CONFIG_DEBUG_LL=y CONFIG_EARLY_PRINTK=y CONFIG_SECURITY=y CONFIG_LSM_MMAP_MIN_ADDR=0 CONFIG_SECURITY_SELINUX=y CONFIG_SECURITY_SMACK=y CONFIG_SECURITY_APPARMOR=y CONFIG_DEFAULT_SECURITY_APPARMOR=y CONFIG_CRYPTO_CBC=m CONFIG_CRYPTO_SHA256=m CONFIG_CRYPTO_BLOWFISH=m CONFIG_CRYPTO_SERPENT=m CONFIG_CRYPTO_TWOFISH=m CONFIG_CRYPTO_DEFLATE=y CONFIG_CRYPTO_LZO=y # CONFIG_CRYPTO_ANSI_CPRNG is not set CONFIG_CRC_CCITT=y CONFIG_CRC_T10DIF=y CONFIG_CRC_ITU_T=y CONFIG_CRC7=y Thanks Richard > > Marc > > -- > Pengutronix e.K. | Marc Kleine-Budde | > Industrial Linux Solutions | Phone: +49-231-2826-924 | > Vertretung West/Dortmund | Fax: +49-5121-206917-5555 | > Amtsgericht Hildesheim, HRA 2686 | http://www.pengutronix.de | > -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
