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openSUSE:12.2
s390-tools
s390-tools-sles11sp2-lscss,lsdasd_unsettled_sys...
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File s390-tools-sles11sp2-lscss,lsdasd_unsettled_sysfs.patch of Package s390-tools
Description: lsdasd,lscss: suppress error messages when working on unsettled sysfs tree. Symptom: lsdasd and lscss sometimes show error messages when working on unsettled sysfs tree. Problem: Devices may disappear while these tools try to access device attributes. Solution: Suppress the related error messages. Note: also fix the return code for lscss -h Problem-ID: 75158 --- zconf/lscss | 21 +++++++++++---------- zconf/lsdasd | 23 ++++++++++++----------- 2 files changed, 23 insertions(+), 21 deletions(-) --- a/zconf/lscss +++ b/zconf/lscss @@ -1,6 +1,6 @@ #!/bin/bash #============================================================================== -# Copyright IBM Corp. 2003,2009 +# Copyright IBM Corp. 2003,2011 # # lscss # @@ -70,7 +70,7 @@ function print_usage() { function print_version() { VERSION="%S390_TOOLS_VERSION%" - echo -ne "$CMD: version $VERSION\nCopyright IBM Corp. 2003, 2009\n" + echo -ne "$CMD: version $VERSION\nCopyright IBM Corp. 2003, 2011\n" } @@ -156,7 +156,7 @@ while [ $# -gt 0 ]; do case $1 in -h|--help) print_usage - exit 1 + exit 0 ;; -s|--short) SHORTID=true @@ -246,7 +246,8 @@ function print_schid_within() function list_sch_of_type() { - find /sys/bus/css/devices/ -type l -name "$IDFORMAT" | sort -t/ -k6 | + find /sys/bus/css/devices/ -type l -name "$IDFORMAT" 2> /dev/null | + sort -t/ -k6 | while read SCH ;do if [ -f $SCH/type ] ;then read TYPE < $SCH/type @@ -270,9 +271,9 @@ function print_io() while read DEV ;do SCH=${DEV%/*} if [ -d $DEV ] ;then - read CUTYPE < $DEV/cutype - read ONLINE < $DEV/online - read DEVTYPE < $DEV/devtype + read CUTYPE 2> /dev/null < $DEV/cutype || continue + read ONLINE 2> /dev/null < $DEV/online || continue + read DEVTYPE 2> /dev/null < $DEV/devtype || continue if [[ $DEVTYPE == "n/a" ]] ;then DEVTYPE="0000/00" ;fi if [ $DEVTYPES ] ;then __MATCHED=false @@ -288,7 +289,7 @@ function print_io() fi if [ $ONLINE = 1 ] ;then ONLINE="yes" ;else ONLINE="" ;fi if [ $SHOW_AVAIL ] ;then - read AVAIL < $DEV/availability + read AVAIL 2> /dev/null < $DEV/availability || continue fi DEV=${DEV##*/} else @@ -308,8 +309,8 @@ function print_io() continue fi else - read PIM PAM POM < $SCH/pimpampom - read -a C < $SCH/chpids + read PIM PAM POM 2> /dev/null < $SCH/pimpampom || continue + read -a C 2> /dev/null < $SCH/chpids || continue SCH=${SCH##*/} if [ "$SHORTID" -a ${SCH:0:4} != "0.0." ] ; then continue --- a/zconf/lsdasd +++ b/zconf/lsdasd @@ -112,7 +112,8 @@ function CheckDeviceString() { # Generate list of DASDs #------------------------------------------------------------------------------ function listDASDDeviceDirectories() { - find "$SYSFSDIR/devices" -type l -name "driver" -lname "*/dasd*" -printf "%h\n" + find "$SYSFSDIR/devices" -type l -name "driver" -lname "*/dasd*" \ + -printf "%h\n" 2> /dev/null return 0 } @@ -125,15 +126,15 @@ function gatherDeviceData() { #-------------------------------------------# # gather information from device attributes # #-------------------------------------------# - read ONLINE < $DEVPATH/online + read ONLINE 2> /dev/null < $DEVPATH/online || continue if [[ "$ONLINE" == 0 ]] && [[ "$PRINTOFFLINE" == "false" ]]; then continue fi - read ALIAS < $DEVPATH/alias - read DEV_UID < $DEVPATH/uid - read READONLY < $DEVPATH/readonly - read DISCIPLINE < $DEVPATH/discipline + read ALIAS 2> /dev/null < $DEVPATH/alias || continue + read DEV_UID 2> /dev/null < $DEVPATH/uid || continue + read READONLY 2> /dev/null < $DEVPATH/readonly || continue + read DISCIPLINE 2> /dev/null < $DEVPATH/discipline || continue # Block device specific information is only available for # devices that are online and not a PAV alias @@ -148,10 +149,10 @@ function gatherDeviceData() { cd -P "$1" BLOCKPATH=$PWD BLOCKNAME=${BLOCKPATH##*/} - read MAJMIN < $BLOCKPATH/dev + read MAJMIN 2> /dev/null < $BLOCKPATH/dev || continue MAJOR=${MAJMIN%%:*} MINOR=${MAJMIN##*:} - read SIZE < $BLOCKPATH/size + read SIZE 2> /dev/null < $BLOCKPATH/size || continue else BLOCKNAME="???" MAJMIN= @@ -338,9 +339,9 @@ function oldoutput() function extended() { # additional information - read DIAG < $DEVPATH/use_diag - read EER < $DEVPATH/eer_enabled - read ERP < $DEVPATH/erplog + read DIAG 2> /dev/null < $DEVPATH/use_diag || continue + read EER 2> /dev/null < $DEVPATH/eer_enabled || continue + read ERP 2> /dev/null < $DEVPATH/erplog || continue #-------------------------------------------# # format data for output #
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