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Subject1.3.91 - Kernel stack overflow
Dear Linus & *

I vaguely remember seeing something about this flying past a few versions
back, as I haven't seen it recently I thought I'd better stand up.

"Apr 18 22:49:38 mayday kernel: release: as kernel stack corruption. Aiee"
"Apr 19 23:04:22 mayday kernel: release: as kernel stack corruption. Aiee"

I did have a buffer cache corruption once but as it hasn't repeated I can't
really say much more (probably just bad luck).

This is very rare, but it does seem to happen once or twice within a full
kernel re-compile. As for where it's happening, well the best I can say
is to give you the '.config' file (Mime attached) and a couple of notes
about the setup.

1) This kernel is running with a umsdos root (The panic/devl partition)
2) /usr is a symlink to the normal root filesystem (ext2)
3) All disks are SCSI (the primary is a 4Gb) on an aha1542B.
4) The kernel (both compiled and compiling) is a stock 1.3.91
5) GCC 2.7.0 -fno-strength-reduce

I then tried the make -j script ... Oh Wow! :-)
Boy was I glad that I'd left the big partition RO!

Apr 20 11:46:10 mayday kernel: release: cpp kernel stack corruption. Aiee
Apr 20 11:46:10 mayday kernel: release: cpp kernel stack corruption. Aiee
Apr 20 11:46:12 mayday kernel: end_request: I/O error, dev 01:01, sector 5760
Apr 20 11:46:12 mayday kernel: end_request: I/O error, dev 01:01, sector 5762
...
Apr 20 11:46:12 mayday kernel: end_request: I/O error, dev 01:01, sector 5852
Apr 20 11:46:12 mayday kernel: end_request: I/O error, dev 01:01, sector 5854
Apr 20 11:46:12 mayday kernel: end_request: I/O error, dev 01:01, sector 5856
Apr 20 11:46:12 mayday kernel: end_request: I/O error, dev 01:01, sector 5858
...

cpp also gave some 'memory exhausted' messages ...

--
Rob. (Robert de Bath <robert@mayday.compulink.co.uk>)
#
# Automatically generated by make menuconfig: don't edit
#

#
# Loadable module support
#
# CONFIG_MODULES is not set

#
# General setup
#
CONFIG_MATH_EMULATION=y
CONFIG_NET=y
# CONFIG_MAX_16M is not set
# CONFIG_PCI is not set
CONFIG_SYSVIPC=y
CONFIG_BINFMT_AOUT=y
CONFIG_BINFMT_ELF=y
CONFIG_KERNEL_ELF=y
CONFIG_M486=y

#
# Floppy, IDE, and other block devices
#
CONFIG_BLK_DEV_FD=y
# CONFIG_BLK_DEV_IDE is not set
CONFIG_BLK_DEV_HD_ONLY=y
# CONFIG_BLK_DEV_RAM is not set
# CONFIG_BLK_DEV_LOOP is not set
CONFIG_BLK_DEV_HD=y
# CONFIG_BLK_DEV_XD is not set
# CONFIG_BLK_DEV_MD is not set

#
# Networking options
#
# CONFIG_FIREWALL is not set
# CONFIG_NET_ALIAS is not set
CONFIG_INET=y
# CONFIG_IP_FORWARD is not set
# CONFIG_IP_MULTICAST is not set
# CONFIG_IP_ACCT is not set
# CONFIG_INET_PCTCP is not set
# CONFIG_INET_RARP is not set
# CONFIG_NO_PATH_MTU_DISCOVERY is not set
# CONFIG_TCP_NAGLE_OFF is not set
CONFIG_IP_NOSR=y
# CONFIG_SKB_LARGE is not set
# CONFIG_IPX is not set
# CONFIG_ATALK is not set
# CONFIG_AX25 is not set
# CONFIG_BRIDGE is not set
# CONFIG_NETLINK is not set

#
# SCSI support
#
CONFIG_SCSI=y
CONFIG_BLK_DEV_SD=y
CONFIG_CHR_DEV_ST=y
CONFIG_BLK_DEV_SR=y
# CONFIG_CHR_DEV_SG is not set
# CONFIG_SCSI_MULTI_LUN is not set
CONFIG_SCSI_CONSTANTS=y
CONFIG_SCSI_AUTO_BIOSP=y

#
# SCSI low-level drivers
#
# CONFIG_SCSI_ADVANSYS is not set
# CONFIG_SCSI_AHA152X is not set
CONFIG_SCSI_AHA1542=y
# CONFIG_SCSI_AHA1740 is not set
# CONFIG_SCSI_AIC7XXX is not set
# CONFIG_SCSI_BUSLOGIC is not set
# CONFIG_SCSI_DTC3280 is not set
# CONFIG_SCSI_EATA_DMA is not set
# CONFIG_SCSI_EATA_PIO is not set
# CONFIG_SCSI_U14_34F is not set
# CONFIG_SCSI_FUTURE_DOMAIN is not set
# CONFIG_SCSI_GENERIC_NCR5380 is not set
# CONFIG_SCSI_IN2000 is not set
# CONFIG_SCSI_PAS16 is not set
# CONFIG_SCSI_QLOGIC is not set
# CONFIG_SCSI_SEAGATE is not set
# CONFIG_SCSI_T128 is not set
# CONFIG_SCSI_ULTRASTOR is not set
# CONFIG_SCSI_7000FASST is not set
# CONFIG_SCSI_EATA is not set
# CONFIG_SCSI_NCR53C406A is not set
# CONFIG_SCSI_PPA is not set
# CONFIG_SCSI_AM53C974 is not set

#
# Network device support
#
CONFIG_NETDEVICES=y
CONFIG_DUMMY=y
CONFIG_SLIP=y
CONFIG_SLIP_COMPRESSED=y
CONFIG_SLIP_SMART=y
# CONFIG_PPP is not set
# CONFIG_STRIP is not set
# CONFIG_WIC is not set
# CONFIG_SCC is not set
# CONFIG_PLIP is not set
# CONFIG_EQUALIZER is not set
# CONFIG_DLCI is not set
# CONFIG_NET_ALPHA is not set
# CONFIG_NET_VENDOR_SMC is not set
# CONFIG_LANCE is not set
# CONFIG_NET_VENDOR_3COM is not set
# CONFIG_NET_ISA is not set
# CONFIG_NET_EISA is not set
# CONFIG_NET_POCKET is not set
# CONFIG_TR is not set
# CONFIG_ARCNET is not set

#
# ISDN subsystem
#
# CONFIG_ISDN is not set

#
# CD-ROM drivers (not for SCSI or IDE/ATAPI drives)
#
# CONFIG_CD_NO_IDESCSI is not set

#
# Filesystems
#
# CONFIG_QUOTA is not set
CONFIG_MINIX_FS=y
# CONFIG_EXT_FS is not set
CONFIG_EXT2_FS=y
# CONFIG_XIA_FS is not set
CONFIG_FAT_FS=y
CONFIG_MSDOS_FS=y
# CONFIG_VFAT_FS is not set
CONFIG_UMSDOS_FS=y
CONFIG_PROC_FS=y
# CONFIG_NFS_FS is not set
# CONFIG_SMB_FS is not set
CONFIG_ISO9660_FS=y
# CONFIG_HPFS_FS is not set
# CONFIG_SYSV_FS is not set

#
# Character devices
#
CONFIG_SERIAL=y
# CONFIG_DIGI is not set
# CONFIG_CYCLADES is not set
# CONFIG_STALDRV is not set
CONFIG_PRINTER=y
# CONFIG_BUSMOUSE is not set
# CONFIG_PSMOUSE is not set
# CONFIG_MS_BUSMOUSE is not set
# CONFIG_ATIXL_BUSMOUSE is not set
# CONFIG_UMISC is not set
# CONFIG_QIC02_TAPE is not set
# CONFIG_FTAPE is not set
# CONFIG_APM is not set
# CONFIG_WATCHDOG is not set
# CONFIG_RTC is not set

#
# Sound
#
# CONFIG_SOUND is not set

#
# Kernel hacking
#
# CONFIG_PROFILE is not set
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