Bad system call (core dumped) /usr/share/man/man1











up vote
1
down vote

favorite












I am running on Ubuntu 18.04.1 release 4.15.0-38-generic.



I know this or a similar question was asked a few months ago and there seemed to be a fix or a workaround in progress. 



dpkg --list man-db

Desired=Unknown/Install/Remove/Purge/Hold

| Status=Not/Inst/Conf-files/Unpacked/halF-conf/Half-inst/trig-aWait/Trig-pend  

|/ Err?=(none)/Reinst-required (Status,Err: uppercase=bad)

||/ Name           Version      Architecture Description

+++-==============-============-============-=================================

iF  man-db         2.8.3-2ubunt amd64        on-line manual pager


Every time I run Software Updater or try to install a new package it takes forever, and the reason seems to be lots of core dumps. Here is a small sample:




>



usr/bin/mandb: zcat: Bad system call (core dumped)

/usr/bin/mandb: zcat < /usr/share/man/man1/pbmtomda.1.gz: Bad system call (core dumped)

/usr/bin/mandb: /usr/lib/man-db/manconv -f UTF-8:ISO-8859-1 -t UTF-8//IGNORE -q: Bad system call (core dumped)

/usr/bin/mandb: zcat < /usr/share/man/man1/pamfile.1.gz: Bad system call (core dumped)

/usr/bin/mandb: zcat: Bad system call (core dumped)

/usr/bin/mandb: zcat < /usr/share/man/man1/pamfile.1.gz: Bad system call (core dumped)

/usr/bin/mandb: /usr/lib/man-db/manconv -f UTF-8:ISO-8859-1 -t UTF-8//IGNORE -q: Bad system call (core dumped)

/usr/bin/mandb: zcat < /usr/share/man/man1/pnmtorast.1.gz: Bad system call (core dumped)

/usr/bin/mandb: zcat: Bad system call (core dumped)

/usr/bin/mandb: zcat < /usr/share/man/man1/pnmtorast.1.gz: Bad system call (core dumped)

/usr/bin/mandb: /usr/lib/man-db/manconv -f UTF-8:ISO-8859-1 -t UTF-8//IGNORE -q: Bad system call (core dumped)




I believe AppArmor was identified as a possible culprit by someone at Astrill but I am not using any package called Astrill VPN. I have Expressvpn, the Ubuntu network managers, pptp-linux and openvpn.



I have tried reinstalling man-db and apparmor but nothing changes.






software-center apparmor







share|improve this question






















  • Do you get the same results just running zcat? I assume so, but we should be sure. Might simplify things if you can just see the single failure and reproduce with a single command. Example: echo "This is a test" | gzip | zcat
    – jdv
    11 hours ago












  • No. Why did you 'assume so'? The result just returned "This is a test", as expected.
    – Mercedes99
    10 hours ago










  • Because the output you show specifically complains about zcat over and over. Given you report that various parts of man-db are not at fault, testing your assertions are just a good idea.
    – jdv
    8 hours ago















up vote
1
down vote

favorite












I am running on Ubuntu 18.04.1 release 4.15.0-38-generic.



I know this or a similar question was asked a few months ago and there seemed to be a fix or a workaround in progress. 



dpkg --list man-db

Desired=Unknown/Install/Remove/Purge/Hold

| Status=Not/Inst/Conf-files/Unpacked/halF-conf/Half-inst/trig-aWait/Trig-pend  

|/ Err?=(none)/Reinst-required (Status,Err: uppercase=bad)

||/ Name           Version      Architecture Description

+++-==============-============-============-=================================

iF  man-db         2.8.3-2ubunt amd64        on-line manual pager


Every time I run Software Updater or try to install a new package it takes forever, and the reason seems to be lots of core dumps. Here is a small sample:




>



usr/bin/mandb: zcat: Bad system call (core dumped)

/usr/bin/mandb: zcat < /usr/share/man/man1/pbmtomda.1.gz: Bad system call (core dumped)

/usr/bin/mandb: /usr/lib/man-db/manconv -f UTF-8:ISO-8859-1 -t UTF-8//IGNORE -q: Bad system call (core dumped)

/usr/bin/mandb: zcat < /usr/share/man/man1/pamfile.1.gz: Bad system call (core dumped)

/usr/bin/mandb: zcat: Bad system call (core dumped)

/usr/bin/mandb: zcat < /usr/share/man/man1/pamfile.1.gz: Bad system call (core dumped)

/usr/bin/mandb: /usr/lib/man-db/manconv -f UTF-8:ISO-8859-1 -t UTF-8//IGNORE -q: Bad system call (core dumped)

/usr/bin/mandb: zcat < /usr/share/man/man1/pnmtorast.1.gz: Bad system call (core dumped)

/usr/bin/mandb: zcat: Bad system call (core dumped)

/usr/bin/mandb: zcat < /usr/share/man/man1/pnmtorast.1.gz: Bad system call (core dumped)

/usr/bin/mandb: /usr/lib/man-db/manconv -f UTF-8:ISO-8859-1 -t UTF-8//IGNORE -q: Bad system call (core dumped)




I believe AppArmor was identified as a possible culprit by someone at Astrill but I am not using any package called Astrill VPN. I have Expressvpn, the Ubuntu network managers, pptp-linux and openvpn.



I have tried reinstalling man-db and apparmor but nothing changes.






software-center apparmor







share|improve this question






















  • Do you get the same results just running zcat? I assume so, but we should be sure. Might simplify things if you can just see the single failure and reproduce with a single command. Example: echo "This is a test" | gzip | zcat
    – jdv
    11 hours ago












  • No. Why did you 'assume so'? The result just returned "This is a test", as expected.
    – Mercedes99
    10 hours ago










  • Because the output you show specifically complains about zcat over and over. Given you report that various parts of man-db are not at fault, testing your assertions are just a good idea.
    – jdv
    8 hours ago













up vote
1
down vote

favorite









up vote
1
down vote

favorite











I am running on Ubuntu 18.04.1 release 4.15.0-38-generic.



I know this or a similar question was asked a few months ago and there seemed to be a fix or a workaround in progress. 



dpkg --list man-db

Desired=Unknown/Install/Remove/Purge/Hold

| Status=Not/Inst/Conf-files/Unpacked/halF-conf/Half-inst/trig-aWait/Trig-pend  

|/ Err?=(none)/Reinst-required (Status,Err: uppercase=bad)

||/ Name           Version      Architecture Description

+++-==============-============-============-=================================

iF  man-db         2.8.3-2ubunt amd64        on-line manual pager


Every time I run Software Updater or try to install a new package it takes forever, and the reason seems to be lots of core dumps. Here is a small sample:




>



usr/bin/mandb: zcat: Bad system call (core dumped)

/usr/bin/mandb: zcat < /usr/share/man/man1/pbmtomda.1.gz: Bad system call (core dumped)

/usr/bin/mandb: /usr/lib/man-db/manconv -f UTF-8:ISO-8859-1 -t UTF-8//IGNORE -q: Bad system call (core dumped)

/usr/bin/mandb: zcat < /usr/share/man/man1/pamfile.1.gz: Bad system call (core dumped)

/usr/bin/mandb: zcat: Bad system call (core dumped)

/usr/bin/mandb: zcat < /usr/share/man/man1/pamfile.1.gz: Bad system call (core dumped)

/usr/bin/mandb: /usr/lib/man-db/manconv -f UTF-8:ISO-8859-1 -t UTF-8//IGNORE -q: Bad system call (core dumped)

/usr/bin/mandb: zcat < /usr/share/man/man1/pnmtorast.1.gz: Bad system call (core dumped)

/usr/bin/mandb: zcat: Bad system call (core dumped)

/usr/bin/mandb: zcat < /usr/share/man/man1/pnmtorast.1.gz: Bad system call (core dumped)

/usr/bin/mandb: /usr/lib/man-db/manconv -f UTF-8:ISO-8859-1 -t UTF-8//IGNORE -q: Bad system call (core dumped)




I believe AppArmor was identified as a possible culprit by someone at Astrill but I am not using any package called Astrill VPN. I have Expressvpn, the Ubuntu network managers, pptp-linux and openvpn.



I have tried reinstalling man-db and apparmor but nothing changes.






software-center apparmor







share|improve this question













I am running on Ubuntu 18.04.1 release 4.15.0-38-generic.



I know this or a similar question was asked a few months ago and there seemed to be a fix or a workaround in progress. 



dpkg --list man-db

Desired=Unknown/Install/Remove/Purge/Hold

| Status=Not/Inst/Conf-files/Unpacked/halF-conf/Half-inst/trig-aWait/Trig-pend  

|/ Err?=(none)/Reinst-required (Status,Err: uppercase=bad)

||/ Name           Version      Architecture Description

+++-==============-============-============-=================================

iF  man-db         2.8.3-2ubunt amd64        on-line manual pager


Every time I run Software Updater or try to install a new package it takes forever, and the reason seems to be lots of core dumps. Here is a small sample:




>



usr/bin/mandb: zcat: Bad system call (core dumped)

/usr/bin/mandb: zcat < /usr/share/man/man1/pbmtomda.1.gz: Bad system call (core dumped)

/usr/bin/mandb: /usr/lib/man-db/manconv -f UTF-8:ISO-8859-1 -t UTF-8//IGNORE -q: Bad system call (core dumped)

/usr/bin/mandb: zcat < /usr/share/man/man1/pamfile.1.gz: Bad system call (core dumped)

/usr/bin/mandb: zcat: Bad system call (core dumped)

/usr/bin/mandb: zcat < /usr/share/man/man1/pamfile.1.gz: Bad system call (core dumped)

/usr/bin/mandb: /usr/lib/man-db/manconv -f UTF-8:ISO-8859-1 -t UTF-8//IGNORE -q: Bad system call (core dumped)

/usr/bin/mandb: zcat < /usr/share/man/man1/pnmtorast.1.gz: Bad system call (core dumped)

/usr/bin/mandb: zcat: Bad system call (core dumped)

/usr/bin/mandb: zcat < /usr/share/man/man1/pnmtorast.1.gz: Bad system call (core dumped)

/usr/bin/mandb: /usr/lib/man-db/manconv -f UTF-8:ISO-8859-1 -t UTF-8//IGNORE -q: Bad system call (core dumped)




I believe AppArmor was identified as a possible culprit by someone at Astrill but I am not using any package called Astrill VPN. I have Expressvpn, the Ubuntu network managers, pptp-linux and openvpn.



I have tried reinstalling man-db and apparmor but nothing changes.






software-center apparmor




software-center apparmor






share|improve this question













share|improve this question











share|improve this question




share|improve this question










asked 12 hours ago









Mercedes99

4115




4115












  • Do you get the same results just running zcat? I assume so, but we should be sure. Might simplify things if you can just see the single failure and reproduce with a single command. Example: echo "This is a test" | gzip | zcat
    – jdv
    11 hours ago












  • No. Why did you 'assume so'? The result just returned "This is a test", as expected.
    – Mercedes99
    10 hours ago










  • Because the output you show specifically complains about zcat over and over. Given you report that various parts of man-db are not at fault, testing your assertions are just a good idea.
    – jdv
    8 hours ago


















  • Do you get the same results just running zcat? I assume so, but we should be sure. Might simplify things if you can just see the single failure and reproduce with a single command. Example: echo "This is a test" | gzip | zcat
    – jdv
    11 hours ago












  • No. Why did you 'assume so'? The result just returned "This is a test", as expected.
    – Mercedes99
    10 hours ago










  • Because the output you show specifically complains about zcat over and over. Given you report that various parts of man-db are not at fault, testing your assertions are just a good idea.
    – jdv
    8 hours ago
















Do you get the same results just running zcat? I assume so, but we should be sure. Might simplify things if you can just see the single failure and reproduce with a single command. Example: echo "This is a test" | gzip | zcat
– jdv
11 hours ago






Do you get the same results just running zcat? I assume so, but we should be sure. Might simplify things if you can just see the single failure and reproduce with a single command. Example: echo "This is a test" | gzip | zcat
– jdv
11 hours ago














No. Why did you 'assume so'? The result just returned "This is a test", as expected.
– Mercedes99
10 hours ago




No. Why did you 'assume so'? The result just returned "This is a test", as expected.
– Mercedes99
10 hours ago












Because the output you show specifically complains about zcat over and over. Given you report that various parts of man-db are not at fault, testing your assertions are just a good idea.
– jdv
8 hours ago




Because the output you show specifically complains about zcat over and over. Given you report that various parts of man-db are not at fault, testing your assertions are just a good idea.
– jdv
8 hours ago















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