[LEDE-DEV] [PATCH v2] ct-bugcheck: Add tools to poll for and report certain bugs.

Ben Greear greearb at candelatech.com
Fri Aug 12 06:19:43 PDT 2016



On 08/11/2016 11:36 PM, John Crispin wrote:
> Hi,
>
> the V2 does not address the changes i request in V1. these were
>
> * explain why we need this and what it does. right now we only know it
> "reports certain bugs" which is really very vague

We need this because ath10k firmware will sometimes crash, and if users have
a good way to generate reports, maybe they will and I can fix them so that
ath10k firmware will crash less.  I thought this part was pretty self
evident.

If you read the commit description, and the Makefile description, v2 specifies
that it checks for ath10k firmware crashes.

So, I am not really sure how you want the patch modified to meet your requests.

Thanks,
Ben

>
> 	John
>
> On 11/08/2016 00:42, greearb at candelatech.com wrote:
>> From: Ben Greear <greearb at candelatech.com>
>>
>> This first release is all about checking for ath10k firmware
>> crashes.  Could be extended later for other modules/bugs/etc.
>>
>> Signed-off-by: Ben Greear <greearb at candelatech.com>
>> ---
>>
>> v2:  Add comments about this being for ath10k firmware
>>    Change name to 'ct-bugcheck' since this is mostly about
>>    ct ath10k firmware at this point.
>>
>>   package/utils/ct-bugcheck/Makefile           |  52 ++++++++++++
>>   package/utils/ct-bugcheck/src/bugcheck.initd |  16 ++++
>>   package/utils/ct-bugcheck/src/bugcheck.sh    | 115 +++++++++++++++++++++++++++
>>   package/utils/ct-bugcheck/src/bugchecker.sh  |  29 +++++++
>>   4 files changed, 212 insertions(+)
>>   create mode 100644 package/utils/ct-bugcheck/Makefile
>>   create mode 100644 package/utils/ct-bugcheck/src/bugcheck.initd
>>   create mode 100755 package/utils/ct-bugcheck/src/bugcheck.sh
>>   create mode 100755 package/utils/ct-bugcheck/src/bugchecker.sh
>>
>> diff --git a/package/utils/ct-bugcheck/Makefile b/package/utils/ct-bugcheck/Makefile
>> new file mode 100644
>> index 0000000..5deb1e0
>> --- /dev/null
>> +++ b/package/utils/ct-bugcheck/Makefile
>> @@ -0,0 +1,52 @@
>> +#
>> +# Copyright (C) 2016 OpenWrt.org
>> +#
>> +# This is free software, licensed under the GNU General Public License v2.
>> +# See /LICENSE for more information.
>> +#
>> +
>> +include $(TOPDIR)/rules.mk
>> +include $(INCLUDE_DIR)/kernel.mk
>> +
>> +PKG_NAME:=ct-bugcheck
>> +PKG_RELEASE:=2016-07-21
>> +
>> +include $(INCLUDE_DIR)/package.mk
>> +
>> +define Package/ct-bugcheck
>> +  SECTION:=utils
>> +  CATEGORY:=Utilities
>> +  TITLE:=Bug checking and reporting utility
>> +  VERSION:=$(PKG_RELEASE)
>> +  MAINTAINER:=Ben Greear <greearb at candelatech.com>
>> +endef
>> +
>> +define Package/ct-bugcheck/description
>> +  Scripts to check for bugs (like firmware crashes) and package them for reporting.
>> +  Currently this script only checks for ath10k firmware crashes.
>> +  Once installed, you can enable this tool by creating a file called
>> +  /etc/config/bugcheck with the following contents:
>> + DO_BUGCHECK=1
>> + export DO_BUGCHECK
>> +
>> +endef
>> +
>> +define Build/Prepare
>> +	$(CP) src/bugcheck.sh $(PKG_BUILD_DIR)/
>> +	$(CP) src/bugchecker.sh $(PKG_BUILD_DIR)/
>> +	$(CP) src/bugcheck.initd $(PKG_BUILD_DIR)/
>> +endef
>> +
>> +define Build/Compile
>> +	true
>> +endef
>> +
>> +define Package/ct-bugcheck/install
>> +	$(INSTALL_DIR) $(1)/usr/bin
>> +	$(INSTALL_DIR) $(1)/etc/init.d
>> +	$(INSTALL_BIN) $(PKG_BUILD_DIR)/bugcheck.sh $(1)/usr/bin/
>> +	$(INSTALL_BIN) $(PKG_BUILD_DIR)/bugchecker.sh $(1)/usr/bin/
>> +	$(INSTALL_BIN) $(PKG_BUILD_DIR)/bugcheck.initd $(1)/etc/init.d/bugcheck
>> +endef
>> +
>> +$(eval $(call BuildPackage,ct-bugcheck))
>> diff --git a/package/utils/ct-bugcheck/src/bugcheck.initd b/package/utils/ct-bugcheck/src/bugcheck.initd
>> new file mode 100644
>> index 0000000..b97a415
>> --- /dev/null
>> +++ b/package/utils/ct-bugcheck/src/bugcheck.initd
>> @@ -0,0 +1,16 @@
>> +#!/bin/sh /etc/rc.common
>> +# Copyright (C) 2016 OpenWrt.org
>> +
>> +START=99
>> +
>> +USE_PROCD=1
>> +PROG=/usr/bin/bugchecker.sh
>> +
>> +# To actually make bugchecker.sh run, see comments
>> +# at top of its file.
>> +
>> +start_service () {
>> +        procd_open_instance
>> +        procd_set_param command "$PROG"
>> +        procd_close_instance
>> +}
>> diff --git a/package/utils/ct-bugcheck/src/bugcheck.sh b/package/utils/ct-bugcheck/src/bugcheck.sh
>> new file mode 100755
>> index 0000000..85f70c5
>> --- /dev/null
>> +++ b/package/utils/ct-bugcheck/src/bugcheck.sh
>> @@ -0,0 +1,115 @@
>> +#!/bin/sh
>> +
>> +# Check for ath10k (and maybe other) bugs, package them up,
>> +# and let user know what to do with them.
>> +
>> +TMPLOC=/tmp
>> +CRASHDIR=$TMPLOC/bugcheck
>> +FOUND_BUG=0
>> +
>> +# set -x
>> +
>> +bugcheck_generic()
>> +{
>> +    echo "LEDE crashlog report" > $CRASHDIR/info.txt
>> +    date >> $CRASHDIR/info.txt
>> +    echo >> $CRASHDIR/info.txt
>> +    echo "uname" >> $CRASHDIR/info.txt
>> +    uname -a >> $CRASHDIR/info.txt
>> +    echo >> $CRASHDIR/info.txt
>> +    echo "os-release" >> $CRASHDIR/info.txt
>> +    cat /etc/os-release >> $CRASHDIR/info.txt
>> +    echo >> $CRASHDIR/info.txt
>> +    echo "os-release" >> $CRASHDIR/info.txt
>> +    cat /etc/os-release >> $CRASHDIR/info.txt
>> +    echo >> $CRASHDIR/info.txt
>> +    echo "dmesg output" >> $CRASHDIR/info.txt
>> +    dmesg >> $CRASHDIR/info.txt
>> +    if [ -x /usr/bin/lspci ]
>> +	then
>> +	echo >> $CRASHDIR/info.txt
>> +	echo "lspci" >> $CRASHDIR/info.txt
>> +	lspci >> $CRASHDIR/info.txt
>> +    fi
>> +    echo >> $CRASHDIR/info.txt
>> +    echo "cpuinfo" >> $CRASHDIR/info.txt
>> +    cat /proc/cpuinfo >> $CRASHDIR/info.txt
>> +    echo >> $CRASHDIR/info.txt
>> +    echo "meminfo" >> $CRASHDIR/info.txt
>> +    cat /proc/cpuinfo >> $CRASHDIR/info.txt
>> +    echo >> $CRASHDIR/info.txt
>> +    echo "cmdline" >> $CRASHDIR/info.txt
>> +    cat /proc/cmdline >> $CRASHDIR/info.txt
>> +    echo >> $CRASHDIR/info.txt
>> +    echo "lsmod" >> $CRASHDIR/info.txt
>> +    lsmod >> $CRASHDIR/info.txt
>> +}
>> +
>> +roll_crashes()
>> +{
>> +    # Roll any existing crashes
>> +    if [ -d $CRASHDIR ]
>> +	then
>> +	if [ -d $CRASHDIR.1 ]
>> +	    then
>> +	    rm -fr $CRASHDIR.1
>> +	fi
>> +	mv $CRASHDIR $CRASHDIR.1
>> +    fi
>> +
>> +    # Prepare location
>> +    mkdir -p $CRASHDIR
>> +}
>> +
>> +# ath10k, check debugfs entries.
>> +for i in /sys/kernel/debug/ieee80211/*/ath10k/fw_crash_dump
>> +do
>> +  #echo "Checking $i"
>> +  if cat $i > $TMPLOC/ath10k_crash.bin 2>&1
>> +      then
>> +      FOUND_BUG=1
>> +
>> +      #echo "Found ath10k crash data in $i"
>> +      roll_crashes
>> +
>> +      ADIR=${i/fw_crash_dump/}
>> +
>> +      CTFW=0
>> +      if grep -- -ct- $TMPLOC/ath10k_crash.bin > /dev/null 2>&1
>> +	  then
>> +	  CTFW=1
>> +      fi
>> +
>> +      echo "Send bug reports to:" > $CRASHDIR/report_to.txt
>> +      if [ -f $ADIR/ct_special -o $CTFW == "1" ]
>> +	  then
>> +	  # Looks like this is CT firmware or driver...
>> +	  echo "greearb at candelatech.com" >> $CRASHDIR/report_to.txt
>> +	  echo "and/or report or check for duplicates here:" >> $CRASHDIR/report_to.txt
>> +	  echo "https://github.com/greearb/ath10k-ct/issues" >> $CRASHDIR/report_to.txt
>> +      else
>> +	  # Not sure who would want these bug reports for upstream...
>> +	  echo "https://www.lede-project.org/" >> $CRASHDIR/report_to.txt
>> +      fi
>> +      echo >> $CRASHDIR/report_to.txt
>> +      echo "Please attach all files in this directory to bug reports." >> $CRASHDIR/report_to.txt
>> +
>> +      mv $TMPLOC/ath10k_crash.bin $CRASHDIR
>> +
>> +      # Add any more ath10k specific stuff here.
>> +
>> +      # And call generic bug reporting logic
>> +      bugcheck_generic
>> +  fi
>> +done
>> +
>> +if [ $FOUND_BUG == "1" ]
>> +    then
>> +    # Notify LUCI somehow?
>> +    echo "bugcheck.sh found an issue to be reported" > /dev/kmsg
>> +    echo "See $CRASHDIR for details on how to report this" > /dev/kmsg
>> +    # Let calling code know something was wrong.
>> +    exit 1
>> +fi
>> +
>> +exit 0
>> diff --git a/package/utils/ct-bugcheck/src/bugchecker.sh b/package/utils/ct-bugcheck/src/bugchecker.sh
>> new file mode 100755
>> index 0000000..be305af
>> --- /dev/null
>> +++ b/package/utils/ct-bugcheck/src/bugchecker.sh
>> @@ -0,0 +1,29 @@
>> +#!/bin/sh
>> +
>> +# Periodically call bugcheck.sh script
>> +
>> +CHECKER=bugcheck.sh
>> +SLEEPFOR=60
>> +
>> +DO_BUGCHECK=0
>> +
>> +# So, to enable this, you create an /etc/config/bugcheck file
>> +# with contents like:
>> +#  DO_BUGCHECK=1
>> +#  export DO_BUGCHECK
>> +
>> +if [ -f /etc/config/bugcheck ]
>> +    then
>> +    . /etc/config/bugcheck
>> +fi
>> +
>> +if [ $DO_BUGCHECK == 0 ]
>> +then
>> +    exit 0
>> +fi
>> +
>> +while true
>> +  do
>> +  $CHECKER
>> +  sleep $SLEEPFOR
>> +done
>>
>

-- 
Ben Greear <greearb at candelatech.com>
Candela Technologies Inc  http://www.candelatech.com



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