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Subject2.2.16 deadlocking in schedule()

I am running 2.2.16 unpatched on a PII-450 with 512 megs of memory. The
disk controller is a Mylex DAC960. Recently the machine seems to be
locking up under moderate load. I wanted to see what was causing it, and
running setiathome seems to be a pretty good trigger for it. Using
control-scroll lock showed that the seti process, along with any new
processes I tried to start ended up as deadlocked.

Running the default RedHat 6.2 kernel would deadlock in the functions
hard_idle() and cpu_idle(). This was under the same load.

Below is my config

--
David Weis | 10520 New York Ave, Des Moines, IA 50322
djweis@plconline.com | Voice 515-278-0133 Ext 231
| http://www.perfectionlearning.com/
CONFIG_EXPERIMENTAL=y
CONFIG_M686=y
CONFIG_X86_WP_WORKS_OK=y
CONFIG_X86_INVLPG=y
CONFIG_X86_BSWAP=y
CONFIG_X86_POPAD_OK=y
CONFIG_X86_TSC=y
CONFIG_X86_GOOD_APIC=y
CONFIG_1GB=y
CONFIG_SMP=y
CONFIG_MODULES=y
CONFIG_KMOD=y
CONFIG_NET=y
CONFIG_PCI=y
CONFIG_PCI_GOANY=y
CONFIG_PCI_BIOS=y
CONFIG_PCI_DIRECT=y
CONFIG_PCI_QUIRKS=y
CONFIG_PCI_OLD_PROC=y
CONFIG_X86_IO_APIC=y
CONFIG_X86_LOCAL_APIC=y
CONFIG_SYSVIPC=y
CONFIG_SYSCTL=y
CONFIG_BINFMT_AOUT=y
CONFIG_BINFMT_ELF=y
CONFIG_BINFMT_MISC=y
CONFIG_BLK_DEV_FD=y
CONFIG_BLK_DEV_IDE=y
CONFIG_BLK_DEV_IDEDISK=y
CONFIG_BLK_DEV_IDECD=y
CONFIG_BLK_DEV_IDEPCI=y
CONFIG_BLK_DEV_IDEDMA=y
CONFIG_IDEDMA_AUTO=y
CONFIG_BLK_DEV_DAC960=y
CONFIG_PARIDE_PARPORT=y
CONFIG_PACKET=y
CONFIG_FIREWALL=y
CONFIG_UNIX=y
CONFIG_INET=y
CONFIG_IP_FIREWALL=y
CONFIG_IP_ALIAS=y
CONFIG_SKB_LARGE=y
CONFIG_ATALK=y
CONFIG_SCSI=y
CONFIG_BLK_DEV_SD=y
CONFIG_CHR_DEV_ST=y
CONFIG_BLK_DEV_SR=y
CONFIG_SCSI_MULTI_LUN=y
CONFIG_SCSI_CONSTANTS=y
CONFIG_SCSI_SYM53C8XX=y
CONFIG_SCSI_NCR53C8XX_DEFAULT_TAGS=4
CONFIG_SCSI_NCR53C8XX_MAX_TAGS=32
CONFIG_SCSI_NCR53C8XX_SYNC=20
CONFIG_NETDEVICES=y
CONFIG_NET_ETHERNET=y
CONFIG_NET_EISA=y
CONFIG_EEXPRESS_PRO100=y
CONFIG_ACENIC=y
CONFIG_VT=y
CONFIG_VT_CONSOLE=y
CONFIG_SERIAL=y
CONFIG_UNIX98_PTYS=y
CONFIG_UNIX98_PTY_COUNT=256
CONFIG_MOUSE=y
CONFIG_PSMOUSE=y
CONFIG_82C710_MOUSE=y
CONFIG_AUTOFS_FS=y
CONFIG_ISO9660_FS=y
CONFIG_JOLIET=y
CONFIG_PROC_FS=y
CONFIG_DEVPTS_FS=y
CONFIG_EXT2_FS=y
CONFIG_NFS_FS=y
CONFIG_NFSD=y
CONFIG_SUNRPC=y
CONFIG_LOCKD=y
CONFIG_NLS=y
CONFIG_NLS_DEFAULT="cp437"
CONFIG_VGA_CONSOLE=y



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