Messages in this thread | | | Date | Wed, 28 Aug 2002 10:16:23 -0400 (EDT) | From | Burton Windle <> | Subject | 2.5.32: DEBUG_SLAB and PREEMPT = constant oops in schedule() |
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When running the Linux Test Project's process_stress test on 2.5.32 that is compiled with DEBUG_SLAB and PREEMPT, I am able to easily reproduce this oops. Undef either of the above kernel options, and the system is stable again.
Unable to handle kernel paging request at virtual address 5a5a5ace c010ecaf *pde = 00000000 Oops: 0002 CPU: 0 EIP: 0060:[<c010ecaf>] Not tainted Using defaults from ksymoops -t elf32-i386 -a i386 EFLAGS: 00010817 eax: c9a92000 ebx: c9fd3760 ecx: c9b81288 edx: 5a5a5a5a esi: c9b863ec edi: c9fd31e0 ebp: c9a93ee0 esp: c9a93ec8 ds: 0068 es: 0068 ss: 0068 Stack: 7fffffff c9b863ec c9a93f60 c9fd31e0 00000282 c9a92000 c405d000 c0117e10 00000008 c9b863ec 080dc050 00000246 c405d980 c9b863ec c01b51e4 c01b5234 c405d000 c9b863ec c9d8c5ec c9b8640c c405d980 c405dbfc 00000000 7fffffff Call Trace: [<c0117e10>] [<c01b51e4>] [<c01b5234>] [<c010ee2c>] [<c010ee2c>] [<c01b1294>] [<c0132a1b>] [<c0132bf6>] [<c010725f>] Code: 0f ba 6a 74 00 8b 42 0c 05 00 00 00 40 0f 22 d8 8b 82 98 00
>>EIP; c010ecaf <schedule+18f/2a8> <=====
Trace; c0117e10 <schedule_timeout+14/a4> Trace; c01b51e4 <read_chan+354/74c> Trace; c01b5234 <read_chan+3a4/74c> Trace; c010ee2c <default_wake_function+0/34> Trace; c010ee2c <default_wake_function+0/34> Trace; c01b1294 <tty_read+d0/128> Trace; c0132a1b <vfs_read+b7/138> Trace; c0132bf6 <sys_read+2a/3c> Trace; c010725f <syscall_call+7/b>
Code; c010ecaf <schedule+18f/2a8> 00000000 <_EIP>: Code; c010ecaf <schedule+18f/2a8> <===== 0: 0f ba 6a 74 00 btsl $0x0,0x74(%edx) <===== Code; c010ecb4 <schedule+194/2a8> 5: 8b 42 0c mov 0xc(%edx),%eax Code; c010ecb7 <schedule+197/2a8> 8: 05 00 00 00 40 add $0x40000000,%eax Code; c010ecbc <schedule+19c/2a8> d: 0f 22 d8 mov %eax,%cr3 Code; c010ecbf <schedule+19f/2a8> 10: 8b 82 98 00 00 00 mov 0x98(%edx),%eax
Linux razor 2.5.32 #5 Wed Aug 28 09:21:53 EST 2002 i686 unknown unknown GNU/Linux
Gnu C 2.95.4 Gnu make 3.79.1 util-linux 2.11n mount 2.11n modutils 2.4.15 e2fsprogs 1.27 Linux C Library 2.2.5 Dynamic linker (ldd) 2.2.5 Procps 2.0.7 Net-tools 1.60 Console-tools 0.2.3 Sh-utils 2.0.12
Config: CONFIG_X86=y CONFIG_ISA=y CONFIG_UID16=y CONFIG_GENERIC_ISA_DMA=y CONFIG_EXPERIMENTAL=y CONFIG_NET=y CONFIG_SYSVIPC=y CONFIG_BSD_PROCESS_ACCT=y CONFIG_SYSCTL=y CONFIG_M686=y CONFIG_X86_WP_WORKS_OK=y CONFIG_X86_INVLPG=y CONFIG_X86_CMPXCHG=y CONFIG_X86_XADD=y CONFIG_X86_BSWAP=y CONFIG_X86_POPAD_OK=y CONFIG_RWSEM_XCHGADD_ALGORITHM=y CONFIG_X86_L1_CACHE_SHIFT=5 CONFIG_X86_TSC=y CONFIG_X86_GOOD_APIC=y CONFIG_X86_USE_PPRO_CHECKSUM=y CONFIG_X86_PPRO_FENCE=y CONFIG_PREEMPT=y CONFIG_X86_MCE=y CONFIG_X86_MCE_NONFATAL=y CONFIG_NOHIGHMEM=y CONFIG_HAVE_DEC_LOCK=y CONFIG_PM=y CONFIG_PCI=y CONFIG_PCI_GOANY=y CONFIG_PCI_BIOS=y CONFIG_PCI_DIRECT=y CONFIG_PCI_NAMES=y CONFIG_KCORE_ELF=y CONFIG_BINFMT_ELF=y CONFIG_PNP=y CONFIG_ISAPNP=y CONFIG_BLK_DEV_FD=y CONFIG_IDE=y CONFIG_BLK_DEV_IDE=y CONFIG_BLK_DEV_IDEDISK=y CONFIG_IDEDISK_MULTI_MODE=y CONFIG_BLK_DEV_IDECD=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_IDEDMA=y CONFIG_BLK_DEV_PIIX=y CONFIG_PIIX_TUNING=y CONFIG_IDEDMA_AUTO=y CONFIG_BLK_DEV_IDE_MODES=y CONFIG_PACKET=y CONFIG_UNIX=y CONFIG_INET=y CONFIG_IP_MULTICAST=y CONFIG_NETDEVICES=y CONFIG_NET_ETHERNET=y CONFIG_NET_VENDOR_3COM=y CONFIG_VORTEX=y CONFIG_INPUT=y CONFIG_SOUND_GAMEPORT=y CONFIG_SERIO=y CONFIG_SERIO_I8042=y CONFIG_I8042_REG_BASE=60 CONFIG_I8042_KBD_IRQ=1 CONFIG_I8042_AUX_IRQ=12 CONFIG_INPUT_KEYBOARD=y CONFIG_KEYBOARD_ATKBD=y CONFIG_VT=y CONFIG_VT_CONSOLE=y CONFIG_HW_CONSOLE=y CONFIG_SERIAL_8250=y CONFIG_SERIAL_8250_CONSOLE=y CONFIG_SERIAL_CORE=y CONFIG_SERIAL_CORE_CONSOLE=y CONFIG_UNIX98_PTYS=y CONFIG_UNIX98_PTY_COUNT=256 CONFIG_AGP=y CONFIG_AGP_INTEL=y CONFIG_DRM=y CONFIG_DRM_R128=y CONFIG_DRM_RADEON=y CONFIG_AUTOFS4_FS=y CONFIG_EXT3_FS=y CONFIG_JBD=y CONFIG_JBD_DEBUG=y CONFIG_TMPFS=y CONFIG_RAMFS=y CONFIG_ISO9660_FS=y CONFIG_PROC_FS=y CONFIG_DEVPTS_FS=y CONFIG_EXT2_FS=y CONFIG_NFS_FS=y CONFIG_NFS_V3=y CONFIG_NFSD=y CONFIG_NFSD_V3=y CONFIG_SUNRPC=y CONFIG_LOCKD=y CONFIG_LOCKD_V4=y CONFIG_EXPORTFS=y CONFIG_SMB_FS=y CONFIG_MSDOS_PARTITION=y CONFIG_SMB_NLS=y CONFIG_NLS=y CONFIG_NLS_DEFAULT="iso8859-1" CONFIG_VGA_CONSOLE=y CONFIG_DEBUG_KERNEL=y CONFIG_DEBUG_SLAB=y CONFIG_DEBUG_IOVIRT=y CONFIG_MAGIC_SYSRQ=y CONFIG_DEBUG_SPINLOCK=y CONFIG_SECURITY_CAPABILITIES=y
-- Burton Windle burton@fint.org Linux: the "grim reaper of innocent orphaned children." from /usr/src/linux-2.4.18/init/main.c:461
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