Messages in this thread | | | Date | Mon, 24 Apr 2006 07:11:42 +0400 | From | Alexey Dobriyan <> | Subject | Re: [Alsa-devel] Re: ALSA regression: oops on shutdown |
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On Sun, Apr 23, 2006 at 10:39:19PM -0400, Lee Revell wrote:
Andrew asked about precise steps of reproduction:
rmmod snd_pcm_oss
which is part of Gentoo install scripts (/etc/init.d/alsasound:134-140, to be precise) (basically lsmod | grep snd | xargs rmmod).
BUG: unable to handle kernel paging request at virtual address 6b6b6b6b printing eip: c016c6a4 *pde = 00000000 Oops: 0000 [#1] PREEMPT Modules linked in: snd_pcm_oss snd_mixer_oss snd_intel8x0 snd_ac97_codec snd_ac97_bus snd_pcm snd_timer snd soundcore snd_page_alloc ehci_hcd uhci_hcd usbcore CPU: 0 EIP: 0060:[<c016c6a4>] Not tainted VLI EFLAGS: 00010286 (2.6.17-rc2-6b426e785cb81e53dc2fc4dcf997661472b470ef #1) EIP is at remove_proc_entry+0x2c/0x11c eax: 00000000 ebx: deb48b80 ecx: ffffffff edx: de11ed24 esi: de11ed24 edi: 6b6b6b6b ebp: de4cb000 esp: de4cbf28 ds: 007b es: 007b ss: 0068 Process rmmod (pid: 7735, threadinfo=de4cb000 task=c1487a90) Stack: <0>de11ed24 6b6b6b6b deb48b80 de11ed24 bf8590cc df93603b de4f0e78 00000000 df965fc8 de4f0d84 df967e74 df966184 de4f0d88 df95292d df967f00 00000000 c0125f7a 00000000 5f646e73 5f6d6370 0073736f de85d4a4 b7f27000 c013789d Call Trace: [<df93603b>] snd_info_unregister+0x2e/0x44 [snd] [<df965fc8>] snd_pcm_oss_proc_done+0x19/0x30 [snd_pcm_oss] [<df966184>] snd_pcm_oss_unregister_minor+0x3b/0x3f [snd_pcm_oss] [<df95292d>] snd_pcm_notify+0x4a/0x91 [snd_pcm] [<c0125f7a>] sys_delete_module+0x113/0x138 [<c013789d>] do_munmap+0xe2/0xef [<c010259b>] syscall_call+0x7/0xb Code: 85 d2 56 53 51 51 89 14 24 89 44 24 04 75 13 8d 4c 24 04 89 e2 e8 dd f7 ff ff 85 c0 0f 85 f2 00 00 00 8b 7c 24 04 31 c0 83 c9 ff <f2> ae f7 d1 49 b0 01 89 ce e8 fa 13 fa ff 8b 04 24 8d 58 38 83 EIP: [<c016c6a4>] remove_proc_entry+0x2c/0x11c SS:ESP 0068:de4cbf28 BUG: rmmod/7735, lock held at task exit time! [df960920] {register_mutex} .. held by: rmmod: 7735 [c1487a90, 118] ... acquired at: snd_pcm_notify+0x10/0x91 [snd_pcm]
> Do you have procfs disabled?
No, /proc is on.
> Full config is needed to debug this more.
# Linux kernel version: 2.6.17-rc2-6b426e785cb81e53dc2fc4dcf997661472b470ef CONFIG_X86_32=y CONFIG_SEMAPHORE_SLEEPERS=y CONFIG_X86=y CONFIG_MMU=y CONFIG_GENERIC_ISA_DMA=y CONFIG_GENERIC_IOMAP=y CONFIG_GENERIC_HWEIGHT=y CONFIG_ARCH_MAY_HAVE_PC_FDC=y CONFIG_DMI=y CONFIG_EXPERIMENTAL=y CONFIG_BROKEN_ON_SMP=y CONFIG_LOCK_KERNEL=y CONFIG_INIT_ENV_ARG_LIMIT=32 CONFIG_LOCALVERSION="" CONFIG_SWAP=y CONFIG_SYSVIPC=y CONFIG_SYSCTL=y CONFIG_IKCONFIG=y CONFIG_IKCONFIG_PROC=y CONFIG_INITRAMFS_SOURCE="" CONFIG_VM86=y CONFIG_CC_OPTIMIZE_FOR_SIZE=y CONFIG_EMBEDDED=y CONFIG_KALLSYMS=y CONFIG_HOTPLUG=y CONFIG_PRINTK=y CONFIG_BUG=y CONFIG_ELF_CORE=y CONFIG_BASE_FULL=y CONFIG_FUTEX=y CONFIG_EPOLL=y CONFIG_SHMEM=y CONFIG_SLAB=y CONFIG_BASE_SMALL=0 CONFIG_MODULES=y CONFIG_MODULE_UNLOAD=y CONFIG_KMOD=y CONFIG_IOSCHED_NOOP=y CONFIG_IOSCHED_CFQ=y CONFIG_DEFAULT_CFQ=y CONFIG_DEFAULT_IOSCHED="cfq" CONFIG_X86_PC=y CONFIG_MPENTIUM4=y CONFIG_X86_CMPXCHG=y CONFIG_X86_XADD=y CONFIG_X86_L1_CACHE_SHIFT=7 CONFIG_RWSEM_XCHGADD_ALGORITHM=y CONFIG_GENERIC_CALIBRATE_DELAY=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_GOOD_APIC=y CONFIG_X86_INTEL_USERCOPY=y CONFIG_X86_USE_PPRO_CHECKSUM=y CONFIG_X86_TSC=y CONFIG_PREEMPT=y CONFIG_PREEMPT_BKL=y CONFIG_X86_MCE=y CONFIG_NOHIGHMEM=y CONFIG_VMSPLIT_3G=y CONFIG_PAGE_OFFSET=0xC0000000 CONFIG_ARCH_FLATMEM_ENABLE=y CONFIG_ARCH_SPARSEMEM_ENABLE=y CONFIG_ARCH_SELECT_MEMORY_MODEL=y CONFIG_SELECT_MEMORY_MODEL=y CONFIG_FLATMEM_MANUAL=y CONFIG_FLATMEM=y CONFIG_FLAT_NODE_MEM_MAP=y CONFIG_SPARSEMEM_STATIC=y CONFIG_SPLIT_PTLOCK_CPUS=4 CONFIG_MTRR=y CONFIG_REGPARM=y CONFIG_HZ_250=y CONFIG_HZ=250 CONFIG_PHYSICAL_START=0x100000 CONFIG_PM=y CONFIG_ACPI=y CONFIG_ACPI_PROCESSOR=y CONFIG_ACPI_THERMAL=y CONFIG_ACPI_BLACKLIST_YEAR=0 CONFIG_ACPI_EC=y CONFIG_ACPI_POWER=y CONFIG_ACPI_SYSTEM=y CONFIG_PCI=y CONFIG_PCI_GOANY=y CONFIG_PCI_BIOS=y CONFIG_PCI_DIRECT=y CONFIG_PCI_MMCONFIG=y CONFIG_ISA_DMA_API=y CONFIG_BINFMT_ELF=y CONFIG_NET=y CONFIG_PACKET=y CONFIG_UNIX=y CONFIG_INET=y CONFIG_IP_FIB_HASH=y CONFIG_TCP_CONG_BIC=y CONFIG_STANDALONE=y CONFIG_PREVENT_FIRMWARE_BUILD=y CONFIG_PNP=y CONFIG_PNPACPI=y CONFIG_BLK_DEV_LOOP=m CONFIG_IDE=y CONFIG_BLK_DEV_IDE=y CONFIG_BLK_DEV_IDEDISK=y CONFIG_IDEDISK_MULTI_MODE=y CONFIG_BLK_DEV_IDECD=m CONFIG_IDE_GENERIC=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_BLK_DEV_PIIX=y CONFIG_BLK_DEV_IDEDMA=y CONFIG_IDEDMA_AUTO=y CONFIG_SCSI=m CONFIG_BLK_DEV_SD=m CONFIG_NETDEVICES=y CONFIG_NET_ETHERNET=y CONFIG_MII=y CONFIG_NET_PCI=y CONFIG_8139TOO=y CONFIG_8139TOO_PIO=y CONFIG_INPUT=y CONFIG_INPUT_MOUSEDEV=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_LIBPS2=y CONFIG_VT=y CONFIG_VT_CONSOLE=y CONFIG_HW_CONSOLE=y CONFIG_SERIAL_8250=y CONFIG_SERIAL_8250_NR_UARTS=4 CONFIG_SERIAL_8250_RUNTIME_UARTS=0 CONFIG_SERIAL_CORE=y CONFIG_UNIX98_PTYS=y CONFIG_RTC=y CONFIG_AGP=y CONFIG_AGP_INTEL=y CONFIG_DRM=y CONFIG_DRM_I915=y CONFIG_FB=y CONFIG_FB_CFB_FILLRECT=y CONFIG_FB_CFB_COPYAREA=y CONFIG_FB_CFB_IMAGEBLIT=y CONFIG_FB_MODE_HELPERS=y CONFIG_FB_INTEL=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_OSSEMUL=y CONFIG_SND_MIXER_OSS=m CONFIG_SND_PCM_OSS=m CONFIG_SND_AC97_CODEC=m CONFIG_SND_AC97_BUS=m CONFIG_SND_INTEL8X0=m CONFIG_USB_ARCH_HAS_HCD=y CONFIG_USB_ARCH_HAS_OHCI=y CONFIG_USB_ARCH_HAS_EHCI=y CONFIG_USB=m CONFIG_USB_EHCI_HCD=m CONFIG_USB_UHCI_HCD=m CONFIG_USB_STORAGE=m CONFIG_EXT2_FS=y CONFIG_REISERFS_FS=y CONFIG_ISO9660_FS=m CONFIG_JOLIET=y CONFIG_FAT_FS=m CONFIG_VFAT_FS=m CONFIG_FAT_DEFAULT_CODEPAGE=866 CONFIG_FAT_DEFAULT_IOCHARSET="koi8-r" CONFIG_PROC_FS=y CONFIG_SYSFS=y CONFIG_TMPFS=y CONFIG_RAMFS=y CONFIG_UFS_FS=y CONFIG_CIFS=m CONFIG_PARTITION_ADVANCED=y CONFIG_MSDOS_PARTITION=y CONFIG_BSD_DISKLABEL=y CONFIG_NLS=y CONFIG_NLS_DEFAULT="utf8" CONFIG_NLS_CODEPAGE_866=m CONFIG_NLS_KOI8_R=m CONFIG_NLS_UTF8=y CONFIG_MAGIC_SYSRQ=y CONFIG_DEBUG_KERNEL=y CONFIG_LOG_BUF_SHIFT=15 CONFIG_DETECT_SOFTLOCKUP=y CONFIG_DEBUG_SLAB=y CONFIG_DEBUG_PREEMPT=y CONFIG_DEBUG_MUTEXES=y CONFIG_DEBUG_BUGVERBOSE=y CONFIG_DEBUG_VM=y CONFIG_FORCED_INLINING=y CONFIG_DEBUG_STACKOVERFLOW=y CONFIG_DEBUG_STACK_USAGE=y CONFIG_STACK_BACKTRACE_COLS=1 CONFIG_DEBUG_RODATA=y CONFIG_4KSTACKS=y CONFIG_DOUBLEFAULT=y CONFIG_CRC32=y CONFIG_GENERIC_HARDIRQS=y CONFIG_GENERIC_IRQ_PROBE=y CONFIG_X86_BIOS_REBOOT=y CONFIG_KTIME_SCALAR=y
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