2.1.98/2.1.99: repeatable hard lockups overnight

Robert Woodcock (rcw@oz.net)
Sun, 3 May 1998 11:43:26 -0700


Hello, I still haven't tracked down this problem much, but basically with
2.1.98/2.1.99 (possibly with .96/.97 but I haven't tried those - this didn't
happen in .95) every 3:42am the machine locks up solid. No oops, no VT's,
no SysRQ, no numlock, no gpm...

3:42am is when /etc/cron.daily runs. (This is a Debian 2.0 (frozen) system)
In there we have:

acct apache calendar find fmirror man-db mgetty mgetty.dpkg-old netbase ppp
slrn squid standard sysklogd

find was the first one I checked out (it runs updatedb, ergo, heavy disk
access that might wreak havoc somewhere) but alas, no crash on a manual run.

The kernel was compiled for uniprocessor.

Hardware is:

FIC PA-2007 mobo
Asus SC875 scsi controller (SymBIOS logic 875, using the ncr53c8xx driver)
IBM DCAS-34330W hard drive as /.
Fujitsu 4GB UDMA IDE drive (in there temporarily)
ISA ne2000 clone
MAD16-clone sound card
MGA2064W video card
The memory has been replaced so obviously it's not that. (32MB in simms -> 64mb
sdram dimm)

.config is attached:

CONFIG_EXPERIMENTAL=y
CONFIG_M586=y
CONFIG_MODULES=y
CONFIG_MODVERSIONS=y
CONFIG_KMOD=y
CONFIG_NET=y
CONFIG_PCI=y
CONFIG_PCI_BIOS=y
CONFIG_PCI_DIRECT=y
CONFIG_PCI_OLD_PROC=y
CONFIG_SYSVIPC=y
CONFIG_BSD_PROCESS_ACCT=y
CONFIG_SYSCTL=y
CONFIG_BINFMT_AOUT=m
CONFIG_BINFMT_ELF=y
CONFIG_BINFMT_MISC=m
CONFIG_PARPORT=m
CONFIG_PARPORT_PC=m
CONFIG_PNP=y
CONFIG_PNP_PARPORT=m
CONFIG_BLK_DEV_FD=m
CONFIG_BLK_DEV_IDE=m
CONFIG_BLK_DEV_IDEDISK=m
CONFIG_BLK_DEV_IDECD=m
CONFIG_BLK_DEV_IDETAPE=m
CONFIG_BLK_DEV_IDEFLOPPY=m
CONFIG_BLK_DEV_LOOP=m
CONFIG_BLK_DEV_MD=y
CONFIG_MD_LINEAR=y
CONFIG_MD_STRIPED=y
CONFIG_MD_MIRRORING=y
CONFIG_MD_RAID5=y
CONFIG_MD_BOOT=y
CONFIG_PARIDE_PARPORT=m
CONFIG_PACKET=y
CONFIG_NETLINK=y
CONFIG_RTNETLINK=y
CONFIG_FIREWALL=y
CONFIG_NET_ALIAS=y
CONFIG_FILTER=y
CONFIG_UNIX=y
CONFIG_INET=y
CONFIG_IP_FIREWALL=y
CONFIG_IP_TRANSPARENT_PROXY=y
CONFIG_IP_ACCT=y
CONFIG_IP_MASQUERADE=y
CONFIG_IP_MASQUERADE_ICMP=y
CONFIG_IP_ALIAS=y
CONFIG_IP_NOSR=y
CONFIG_SKB_LARGE=y
CONFIG_IPV6=m
CONFIG_IPX=m
CONFIG_SPX=m
CONFIG_ATALK=m
CONFIG_SCSI=y
CONFIG_BLK_DEV_SD=y
CONFIG_CHR_DEV_ST=m
CONFIG_BLK_DEV_SR=y
CONFIG_CHR_DEV_SG=m
CONFIG_SCSI_MULTI_LUN=y
CONFIG_SCSI_CONSTANTS=y
CONFIG_SCSI_NCR53C8XX=y
CONFIG_SCSI_NCR53C8XX_TAGGED_QUEUE=y
CONFIG_SCSI_NCR53C8XX_MAX_TAGS=32
CONFIG_SCSI_NCR53C8XX_SYNC=20
CONFIG_SCSI_NCR53C8XX_SYMBIOS_COMPAT=y
CONFIG_NETDEVICES=y
CONFIG_DUMMY=m
CONFIG_NET_ETHERNET=y
CONFIG_NET_ISA=y
CONFIG_NE2000=m
CONFIG_NET_EISA=y
CONFIG_DEC_ELCP=m
CONFIG_EEXPRESS_PRO100=m
CONFIG_PPP=m
CONFIG_QUOTA=y
CONFIG_MINIX_FS=m
CONFIG_EXT2_FS=y
CONFIG_ISO9660_FS=m
CONFIG_JOLIET=y
CONFIG_FAT_FS=m
CONFIG_VFAT_FS=m
CONFIG_PROC_FS=y
CONFIG_NFS_FS=m
CONFIG_NFSD=m
CONFIG_SUNRPC=m
CONFIG_LOCKD=m
CONFIG_CODA_FS=m
CONFIG_SMB_FS=m
CONFIG_SMB_WIN95=y
CONFIG_NTFS_FS=m
CONFIG_NTFS_RW=y
CONFIG_NLS=y
CONFIG_NLS_CODEPAGE_437=m
CONFIG_VT=y
CONFIG_VT_CONSOLE=y
CONFIG_SERIAL=y
CONFIG_PRINTER=m
CONFIG_PRINTER_READBACK=y
CONFIG_NVRAM=m
CONFIG_JOYSTICK=m
CONFIG_SOUND=m
CONFIG_ADLIB=m
CONFIG_MPU401=m
CONFIG_MAD16=m
CONFIG_MAD16_OLDCARD=m
CONFIG_SOFTOSS=m
CONFIG_YM3812=m
CONFIG_PROFILE=y
CONFIG_PROFILE_SHIFT=2
CONFIG_VGA_CONSOLE=y

-- 
Robert Woodcock - rcw@oz.net
All I want is a warm bed and a kind word and unlimited power.
		-- Ashleigh Brilliant

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