Messages in this thread | | | Date | Thu, 5 Jun 2008 15:53:03 +0200 | From | Thomas Bleher <> | Subject | ARM on qemu: running kernel 2.6.20 or newer? |
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Is anyone testing ARM kernels on qemu?
I'm trying to run an ARM kernel on qemu (0.9.1-5) on a Debian AMD64 system. 2.6.19 worked fine, but all newer kernel releases[1] result in qemu consuming 100% of the CPU without ever outputting anything to the console.
I did a bisect, and the failing commit is 1c69d921ed9cc6593ad4f60c0f9951cb0d62b0b4 (v2.6.19-1675-g1c69d92) [PATCH] rcu: add a prefetch() in rcu_do_batch() but I have no idea what could make the boot fail there.
The kernel is cross-compiled using gcc 4.3.1 from Emdebian.org.
Does anyone have any idea what might be wrong here? I have a hard time imagining that I'm the only one running newer ARM kernels on qemu. Any pointers to working configs or patches to make it work would be very much appreciated.
Regards, Thomas Bleher
PS: Please CC me on replys. Thanks!
[1] I tested 2.6.2{0..5} and 2.6.26-rc5.
$ grep ^C .config: CONFIG_ARM=y CONFIG_MMU=y CONFIG_GENERIC_HARDIRQS=y CONFIG_TRACE_IRQFLAGS_SUPPORT=y CONFIG_HARDIRQS_SW_RESEND=y CONFIG_GENERIC_IRQ_PROBE=y CONFIG_RWSEM_GENERIC_SPINLOCK=y CONFIG_GENERIC_HWEIGHT=y CONFIG_GENERIC_CALIBRATE_DELAY=y CONFIG_VECTORS_BASE=0xffff0000 CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config" CONFIG_EXPERIMENTAL=y CONFIG_BROKEN_ON_SMP=y CONFIG_INIT_ENV_ARG_LIMIT=32 CONFIG_LOCALVERSION="" CONFIG_LOCALVERSION_AUTO=y CONFIG_SWAP=y CONFIG_SYSVIPC=y CONFIG_IKCONFIG=y CONFIG_IKCONFIG_PROC=y CONFIG_INITRAMFS_SOURCE="" CONFIG_CC_OPTIMIZE_FOR_SIZE=y CONFIG_SYSCTL=y CONFIG_UID16=y CONFIG_SYSCTL_SYSCALL=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_VM_EVENT_COUNTERS=y CONFIG_RT_MUTEXES=y CONFIG_BASE_SMALL=0 CONFIG_BLOCK=y CONFIG_IOSCHED_NOOP=y CONFIG_IOSCHED_AS=y CONFIG_IOSCHED_DEADLINE=y CONFIG_IOSCHED_CFQ=y CONFIG_DEFAULT_AS=y CONFIG_DEFAULT_IOSCHED="anticipatory" CONFIG_ARCH_INTEGRATOR=y CONFIG_ARCH_INTEGRATOR_CP=y CONFIG_ARCH_CINTEGRATOR=y CONFIG_CPU_32=y CONFIG_CPU_ARM926T=y CONFIG_CPU_ARM1026=y CONFIG_CPU_32v5=y CONFIG_CPU_ABRT_EV5T=y CONFIG_CPU_ABRT_EV5TJ=y CONFIG_CPU_CACHE_VIVT=y CONFIG_CPU_COPY_V4WB=y CONFIG_CPU_TLB_V4WBI=y CONFIG_CPU_CP15=y CONFIG_CPU_CP15_MMU=y CONFIG_ARM_THUMB=y CONFIG_ICST525=y CONFIG_ARM_AMBA=y CONFIG_HZ=100 CONFIG_AEABI=y CONFIG_OABI_COMPAT=y CONFIG_SELECT_MEMORY_MODEL=y CONFIG_FLATMEM_MANUAL=y CONFIG_FLATMEM=y CONFIG_FLAT_NODE_MEM_MAP=y CONFIG_SPLIT_PTLOCK_CPUS=4096 CONFIG_LEDS=y CONFIG_LEDS_TIMER=y CONFIG_LEDS_CPU=y CONFIG_ALIGNMENT_TRAP=y CONFIG_ZBOOT_ROM_TEXT=0x0 CONFIG_ZBOOT_ROM_BSS=0x0 CONFIG_CMDLINE="" CONFIG_CPU_FREQ=y CONFIG_CPU_FREQ_TABLE=y CONFIG_CPU_FREQ_STAT=y CONFIG_CPU_FREQ_DEFAULT_GOV_PERFORMANCE=y CONFIG_CPU_FREQ_GOV_PERFORMANCE=y CONFIG_CPU_FREQ_GOV_POWERSAVE=y CONFIG_CPU_FREQ_GOV_USERSPACE=y CONFIG_CPU_FREQ_GOV_ONDEMAND=y CONFIG_CPU_FREQ_INTEGRATOR=y CONFIG_FPE_NWFPE=y CONFIG_VFP=y CONFIG_BINFMT_ELF=y CONFIG_BINFMT_MISC=y CONFIG_PM=y CONFIG_PM_LEGACY=y CONFIG_APM=y CONFIG_NET=y CONFIG_PACKET=y CONFIG_PACKET_MMAP=y CONFIG_UNIX=y CONFIG_XFRM=y CONFIG_INET=y CONFIG_IP_MULTICAST=y CONFIG_IP_FIB_HASH=y CONFIG_IP_PNP=y CONFIG_IP_PNP_DHCP=y CONFIG_IP_PNP_BOOTP=y CONFIG_NET_IPIP=y CONFIG_NET_IPGRE=y CONFIG_NET_IPGRE_BROADCAST=y CONFIG_IP_MROUTE=y CONFIG_IP_PIMSM_V1=y CONFIG_IP_PIMSM_V2=y CONFIG_ARPD=y CONFIG_SYN_COOKIES=y CONFIG_INET_AH=y CONFIG_INET_ESP=y CONFIG_INET_IPCOMP=y CONFIG_INET_XFRM_TUNNEL=y CONFIG_INET_TUNNEL=y CONFIG_INET_DIAG=y CONFIG_INET_TCP_DIAG=y CONFIG_TCP_CONG_CUBIC=y CONFIG_DEFAULT_TCP_CONG="cubic" CONFIG_BRIDGE=y CONFIG_VLAN_8021Q=y CONFIG_LLC=y CONFIG_STANDALONE=y CONFIG_PREVENT_FIRMWARE_BUILD=y CONFIG_CONNECTOR=y CONFIG_PROC_EVENTS=y CONFIG_BLK_DEV_LOOP=y CONFIG_BLK_DEV_NBD=y CONFIG_BLK_DEV_RAM=y CONFIG_BLK_DEV_RAM_COUNT=16 CONFIG_BLK_DEV_RAM_SIZE=8192 CONFIG_BLK_DEV_RAM_BLOCKSIZE=1024 CONFIG_BLK_DEV_INITRD=y CONFIG_NETDEVICES=y CONFIG_NET_ETHERNET=y CONFIG_MII=y CONFIG_SMC91X=y 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_KEYBOARD=y CONFIG_KEYBOARD_ATKBD=y CONFIG_INPUT_MOUSE=y CONFIG_MOUSE_PS2=y CONFIG_INPUT_MISC=y CONFIG_SERIO=y CONFIG_SERIO_AMBAKMI=y CONFIG_SERIO_LIBPS2=y CONFIG_VT=y CONFIG_VT_CONSOLE=y CONFIG_HW_CONSOLE=y CONFIG_SERIAL_AMBA_PL011=y CONFIG_SERIAL_AMBA_PL011_CONSOLE=y CONFIG_SERIAL_CORE=y CONFIG_SERIAL_CORE_CONSOLE=y CONFIG_UNIX98_PTYS=y CONFIG_LEGACY_PTYS=y CONFIG_LEGACY_PTY_COUNT=256 CONFIG_HW_RANDOM=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_TILEBLITTING=y CONFIG_FB_ARMCLCD=y CONFIG_DUMMY_CONSOLE=y CONFIG_FRAMEBUFFER_CONSOLE=y CONFIG_FONT_8x8=y CONFIG_FONT_8x16=y CONFIG_LOGO=y CONFIG_LOGO_LINUX_MONO=y CONFIG_LOGO_LINUX_VGA16=y CONFIG_LOGO_LINUX_CLUT224=y CONFIG_USB_ARCH_HAS_HCD=y CONFIG_MMC=y CONFIG_MMC_BLOCK=y CONFIG_MMC_ARMMMCI=y CONFIG_RTC_LIB=y CONFIG_RTC_CLASS=y CONFIG_RTC_INTF_SYSFS=y CONFIG_RTC_INTF_PROC=y CONFIG_RTC_INTF_DEV=y CONFIG_EXT2_FS=y CONFIG_INOTIFY=y CONFIG_DNOTIFY=y CONFIG_PROC_FS=y CONFIG_PROC_SYSCTL=y CONFIG_SYSFS=y CONFIG_TMPFS=y CONFIG_RAMFS=y CONFIG_CRAMFS=y CONFIG_NFS_FS=y CONFIG_NFS_V3=y CONFIG_NFSD=y CONFIG_NFSD_V3=y CONFIG_ROOT_NFS=y CONFIG_LOCKD=y CONFIG_LOCKD_V4=y CONFIG_EXPORTFS=y CONFIG_NFS_COMMON=y CONFIG_SUNRPC=y CONFIG_SMB_FS=y CONFIG_PARTITION_ADVANCED=y CONFIG_MSDOS_PARTITION=y CONFIG_NLS=y CONFIG_NLS_DEFAULT="iso8859-1" CONFIG_MAGIC_SYSRQ=y CONFIG_DEBUG_KERNEL=y CONFIG_LOG_BUF_SHIFT=14 CONFIG_DETECT_SOFTLOCKUP=y CONFIG_DEBUG_MUTEXES=y CONFIG_DEBUG_BUGVERBOSE=y CONFIG_DEBUG_INFO=y CONFIG_FRAME_POINTER=y CONFIG_FORCED_INLINING=y CONFIG_DEBUG_ERRORS=y CONFIG_CRYPTO=y CONFIG_CRYPTO_ALGAPI=y CONFIG_CRYPTO_BLKCIPHER=y CONFIG_CRYPTO_HASH=y CONFIG_CRYPTO_MANAGER=y CONFIG_CRYPTO_HMAC=y CONFIG_CRYPTO_MD5=y CONFIG_CRYPTO_SHA1=y CONFIG_CRYPTO_CBC=y CONFIG_CRYPTO_DES=y CONFIG_CRYPTO_DEFLATE=y CONFIG_CRC32=y CONFIG_ZLIB_INFLATE=y CONFIG_ZLIB_DEFLATE=y CONFIG_PLIST=y
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