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Subject/dev/ttyS0,1 hosed on alpha 2.1.10x
Date
From

When I compile the serial port driver as a module and try to access
/dev/ttyS0, the machine immediately hangs. Really smells like an unhandled
interrupt, it is locked solid.

If I compile serial port support in (no module) the kernel only lasts a
few minutes. Turning on a modem connected to the serial port seems to
trigger the hang.

kernel is 2.1.102 or 2.1.103,
CPU is alpha PC164,
compiler is egcs 1.0.2 (A few minor hackes in asm-alpha/string.h were needed
to get it to compile. The various #if tests seem t miss.)
Config follows.

(I'm not sure who is working on the serial interface stuff, so I don't know
how to send this report directly.)

--
Steve Williams "The woods are lovely, dark and deep.
steve@icarus.com But I have promises to keep,
steve@picturel.com and lines to code before I sleep,
http://www.picturel.com And lines to code before I sleep."

#
# Automatically generated make config: don't edit
#

#
# Code maturity level options
#
CONFIG_EXPERIMENTAL=y

#
# Loadable module support
#
CONFIG_MODULES=y
# CONFIG_MODVERSIONS is not set
CONFIG_KMOD=y

#
# General setup
#
CONFIG_NATIVE=y
# CONFIG_ALPHA_AVANTI is not set
# CONFIG_ALPHA_XL is not set
# CONFIG_ALPHA_XLT is not set
# CONFIG_ALPHA_CABRIOLET is not set
# CONFIG_ALPHA_EB66 is not set
# CONFIG_ALPHA_EB66P is not set
# CONFIG_ALPHA_EB64P is not set
# CONFIG_ALPHA_EB164 is not set
CONFIG_ALPHA_PC164=y
# CONFIG_ALPHA_LX164 is not set
# CONFIG_ALPHA_SX164 is not set
# CONFIG_ALPHA_DP264 is not set
# CONFIG_ALPHA_JENSEN is not set
# CONFIG_ALPHA_NONAME is not set
# CONFIG_ALPHA_TAKARA is not set
# CONFIG_ALPHA_MIKASA is not set
# CONFIG_ALPHA_NORITAKE is not set
# CONFIG_ALPHA_ALCOR is not set
# CONFIG_ALPHA_MIATA is not set
# CONFIG_ALPHA_SABLE is not set
# CONFIG_ALPHA_RAWHIDE is not set
# CONFIG_ALPHA_BOOK1 is not set
# CONFIG_ALPHA_RUFFIAN is not set
# CONFIG_ALPHA_P2K is not set
CONFIG_PCI=y
CONFIG_ALPHA_EV5=y
CONFIG_ALPHA_CIA=y
# CONFIG_ALPHA_SRM is not set
# CONFIG_TGA_CONSOLE is not set
# CONFIG_PCI_QUIRKS is not set
# CONFIG_PCI_OLD_PROC is not set
CONFIG_NET=y
CONFIG_SYSVIPC=y
# CONFIG_BSD_PROCESS_ACCT is not set
CONFIG_SYSCTL=y
CONFIG_BINFMT_AOUT=y
CONFIG_BINFMT_ELF=y
CONFIG_BINFMT_MISC=m
# CONFIG_BINFMT_JAVA is not set
CONFIG_BINFMT_EM86=m
CONFIG_PARPORT=m
CONFIG_PARPORT_PC=m
# CONFIG_PARPORT_OTHER is not set

#
# Plug and Play support
#
# CONFIG_PNP is not set

#
# Block devices
#
CONFIG_BLK_DEV_FD=m
CONFIG_BLK_DEV_IDE=y

#
# Please see Documentation/ide.txt for help/info on IDE drives
#
# CONFIG_BLK_DEV_HD_IDE is not set
CONFIG_BLK_DEV_IDEDISK=m
CONFIG_BLK_DEV_IDECD=m
# CONFIG_BLK_DEV_IDETAPE is not set
# CONFIG_BLK_DEV_IDEFLOPPY is not set
# CONFIG_BLK_DEV_IDESCSI is not set
# CONFIG_BLK_DEV_CMD640 is not set
# CONFIG_BLK_DEV_RZ1000 is not set
CONFIG_BLK_DEV_IDEPCI=y
CONFIG_BLK_DEV_IDEDMA=y
# CONFIG_BLK_DEV_OPTI621 is not set
# CONFIG_BLK_DEV_TRM290 is not set
# CONFIG_BLK_DEV_NS87415 is not set
# CONFIG_IDE_CHIPSETS is not set

#
# Additional Block Devices
#
CONFIG_BLK_DEV_LOOP=m
CONFIG_BLK_DEV_NBD=m
# CONFIG_BLK_DEV_MD is not set
# CONFIG_BLK_DEV_RAM is not set
# CONFIG_BLK_DEV_XD is not set
CONFIG_PARIDE_PARPORT=m
# CONFIG_PARIDE is not set
# CONFIG_BLK_DEV_HD is not set

#
# Networking options
#
# CONFIG_PACKET is not set
# CONFIG_NETLINK is not set
CONFIG_FIREWALL=y
# CONFIG_NET_ALIAS is not set
CONFIG_FILTER=y
CONFIG_UNIX=y
CONFIG_INET=y
# CONFIG_IP_MULTICAST is not set
# CONFIG_IP_ADVANCED_ROUTER is not set
# CONFIG_IP_PNP is not set
CONFIG_IP_FIREWALL=y
CONFIG_IP_TRANSPARENT_PROXY=y
# CONFIG_IP_ALWAYS_DEFRAG is not set
CONFIG_IP_MASQUERADE=y

#
# Protocol-specific masquerading support will be built as modules.
#
CONFIG_IP_MASQUERADE_ICMP=y

#
# Protocol-specific masquerading support will be built as modules.
#
# CONFIG_IP_MASQUERADE_IPAUTOFW is not set
# CONFIG_IP_MASQUERADE_IPPORTFW is not set
# CONFIG_IP_ROUTER is not set
# CONFIG_NET_IPIP is not set
# CONFIG_NET_IPGRE is not set
# CONFIG_IP_ALIAS is not set
# CONFIG_SYN_COOKIES is not set

#
# (it is safe to leave these untouched)
#
# CONFIG_INET_RARP is not set
CONFIG_IP_NOSR=y
CONFIG_SKB_LARGE=y
# CONFIG_IPV6 is not set

#
#
#
# CONFIG_IPX is not set
# CONFIG_ATALK is not set
# CONFIG_X25 is not set
# CONFIG_LAPB is not set
# CONFIG_BRIDGE is not set
# CONFIG_LLC is not set
# CONFIG_ECONET is not set
# CONFIG_WAN_ROUTER is not set
# CONFIG_NET_FASTROUTE is not set
# CONFIG_NET_HW_FLOWCONTROL is not set
# CONFIG_CPU_IS_SLOW is not set
# CONFIG_NET_SCHED is not set
# CONFIG_NET_PROFILE is not set

#
# SCSI support
#
CONFIG_SCSI=y

#
# SCSI support type (disk, tape, CD-ROM)
#
CONFIG_BLK_DEV_SD=y
# CONFIG_CHR_DEV_ST is not set
CONFIG_BLK_DEV_SR=y
# CONFIG_BLK_DEV_SR_VENDOR is not set
# CONFIG_CHR_DEV_SG is not set

#
# Some SCSI devices (e.g. CD jukebox) support multiple LUNs
#
CONFIG_SCSI_MULTI_LUN=y
# CONFIG_SCSI_CONSTANTS is not set
# CONFIG_SCSI_LOGGING is not set

#
# SCSI low-level drivers
#
# CONFIG_SCSI_7000FASST is not set
# CONFIG_SCSI_AHA152X is not set
# CONFIG_SCSI_AHA1542 is not set
# CONFIG_SCSI_AHA1740 is not set
CONFIG_SCSI_AIC7XXX=y
# CONFIG_OVERRIDE_CMDS is not set
# CONFIG_AIC7XXX_PROC_STATS is not set
CONFIG_AIC7XXX_RESET_DELAY=5
# CONFIG_SCSI_ADVANSYS is not set
# CONFIG_SCSI_IN2000 is not set
# CONFIG_SCSI_AM53C974 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_EATA is not set
# CONFIG_SCSI_FUTURE_DOMAIN is not set
# CONFIG_SCSI_GDTH is not set
# CONFIG_SCSI_GENERIC_NCR5380 is not set
# CONFIG_SCSI_G_NCR5380_PORT is not set
# CONFIG_SCSI_G_NCR5380_MEM is not set
# CONFIG_SCSI_NCR53C406A is not set
# CONFIG_SCSI_NCR53C7xx is not set
# CONFIG_SCSI_NCR53C8XX is not set
# CONFIG_SCSI_PPA is not set
# CONFIG_SCSI_PAS16 is not set
# CONFIG_SCSI_PCI2000 is not set
# CONFIG_SCSI_PCI2220I is not set
# CONFIG_SCSI_PSI240I is not set
# CONFIG_SCSI_QLOGIC_FAS is not set
# CONFIG_SCSI_QLOGIC_ISP is not set
# CONFIG_SCSI_SEAGATE is not set
# CONFIG_SCSI_DC390T is not set
# CONFIG_SCSI_T128 is not set
# CONFIG_SCSI_U14_34F is not set
# CONFIG_SCSI_ULTRASTOR is not set
# CONFIG_SCSI_DEBUG is not set

#
# Network device support
#
CONFIG_NETDEVICES=y
# CONFIG_ARCNET is not set
CONFIG_DUMMY=m
# CONFIG_EQUALIZER is not set
CONFIG_NET_ETHERNET=y
CONFIG_NET_VENDOR_3COM=y
# CONFIG_EL1 is not set
# CONFIG_EL2 is not set
# CONFIG_ELPLUS is not set
# CONFIG_EL16 is not set
CONFIG_EL3=y
# CONFIG_VORTEX is not set
# CONFIG_LANCE is not set
# CONFIG_NET_VENDOR_SMC is not set
# CONFIG_NET_VENDOR_RACAL is not set
# CONFIG_RTL8139 is not set
# CONFIG_YELLOWFIN is not set
# CONFIG_NET_ISA is not set
CONFIG_NET_EISA=y
# CONFIG_PCNET32 is not set
# CONFIG_AC3200 is not set
# CONFIG_APRICOT is not set
# CONFIG_CS89x0 is not set
CONFIG_DE4X5=y
# CONFIG_DEC_ELCP is not set
# CONFIG_DGRS is not set
# CONFIG_EEXPRESS_PRO100 is not set
# CONFIG_LNE390 is not set
# CONFIG_ES3210 is not set
# CONFIG_EPIC100 is not set
# CONFIG_TLAN is not set
# CONFIG_ZNET is not set
# CONFIG_NET_POCKET is not set
# CONFIG_FDDI is not set
# CONFIG_DLCI is not set
# CONFIG_PLIP is not set
# CONFIG_PPP is not set
# CONFIG_SLIP is not set
# CONFIG_NET_RADIO is not set
# CONFIG_TR is not set
# CONFIG_SHAPER is not set

#
# Amateur Radio support
#
# CONFIG_HAMRADIO 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 is not set
CONFIG_EXT2_FS=y
CONFIG_ISO9660_FS=m
CONFIG_JOLIET=y
CONFIG_FAT_FS=m
CONFIG_MSDOS_FS=m
# CONFIG_UMSDOS_FS is not set
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 is not set
# CONFIG_HPFS_FS is not set
CONFIG_NTFS_FS=m
CONFIG_NTFS_RW=y
# CONFIG_SYSV_FS is not set
# CONFIG_AFFS_FS is not set
# CONFIG_HFS_FS is not set
# CONFIG_ROMFS_FS is not set
CONFIG_AUTOFS_FS=m
# CONFIG_UFS_FS is not set
# CONFIG_ADFS_FS is not set
CONFIG_DEVPTS_FS=m
# CONFIG_MAC_PARTITION is not set
CONFIG_NLS=y

#
# Native Language Support
#
CONFIG_NLS_CODEPAGE_437=m
# CONFIG_NLS_CODEPAGE_737 is not set
# CONFIG_NLS_CODEPAGE_775 is not set
# CONFIG_NLS_CODEPAGE_850 is not set
# CONFIG_NLS_CODEPAGE_852 is not set
# CONFIG_NLS_CODEPAGE_855 is not set
# CONFIG_NLS_CODEPAGE_857 is not set
# CONFIG_NLS_CODEPAGE_860 is not set
# CONFIG_NLS_CODEPAGE_861 is not set
# CONFIG_NLS_CODEPAGE_862 is not set
# CONFIG_NLS_CODEPAGE_863 is not set
# CONFIG_NLS_CODEPAGE_864 is not set
# CONFIG_NLS_CODEPAGE_865 is not set
# CONFIG_NLS_CODEPAGE_866 is not set
# CONFIG_NLS_CODEPAGE_869 is not set
# CONFIG_NLS_CODEPAGE_874 is not set
CONFIG_NLS_ISO8859_1=m
# CONFIG_NLS_ISO8859_2 is not set
# CONFIG_NLS_ISO8859_3 is not set
# CONFIG_NLS_ISO8859_4 is not set
# CONFIG_NLS_ISO8859_5 is not set
# CONFIG_NLS_ISO8859_6 is not set
# CONFIG_NLS_ISO8859_7 is not set
# CONFIG_NLS_ISO8859_8 is not set
# CONFIG_NLS_ISO8859_9 is not set
# CONFIG_NLS_KOI8_R is not set

#
# Character devices
#
CONFIG_VT=y
CONFIG_VT_CONSOLE=y
CONFIG_SERIAL=y
# CONFIG_SERIAL_CONSOLE is not set
# CONFIG_SERIAL_EXTENDED is not set
# CONFIG_SERIAL_NONSTANDARD is not set
CONFIG_PRINTER=m
CONFIG_PRINTER_READBACK=y
CONFIG_MOUSE=y
# CONFIG_ATIXL_BUSMOUSE is not set
# CONFIG_BUSMOUSE is not set
# CONFIG_MS_BUSMOUSE is not set
CONFIG_PSMOUSE=y
# CONFIG_82C710_MOUSE is not set
# CONFIG_PC110_PAD is not set
# CONFIG_UMISC is not set
# CONFIG_QIC02_TAPE is not set
# CONFIG_APM is not set
# CONFIG_WATCHDOG is not set
# CONFIG_RTC is not set
# CONFIG_VIDEO_DEV is not set
# CONFIG_NVRAM is not set
# CONFIG_JOYSTICK is not set
# CONFIG_MISC_RADIO is not set

#
# Ftape, the floppy tape device driver
#
# CONFIG_FTAPE is not set
# CONFIG_FT_NORMAL_DEBUG is not set
# CONFIG_FT_FULL_DEBUG is not set
# CONFIG_FT_NO_TRACE is not set
# CONFIG_FT_NO_TRACE_AT_ALL is not set
# CONFIG_FT_STD_FDC is not set
# CONFIG_FT_MACH2 is not set
# CONFIG_FT_PROBE_FC10 is not set
# CONFIG_FT_ALT_FDC is not set

#
# Sound
#
# CONFIG_SOUND is not set

#
# Kernel hacking
#
# CONFIG_PROFILE is not set
CONFIG_MATHEMU=y
CONFIG_MAGIC_SYSRQ=y
CONFIG_VGA_CONSOLE=y
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