D: [iurt_root_command] chroot
/etc/profile: fork: retry: Resource temporarily unavailable
/etc/profile: fork: retry: Resource temporarily unavailable
Building target platforms: noarch
Building for target noarch
sh: line 4: [: -j8: integer expected
Installing /home/pterjan/rpmbuild/SRPMS/perl-EBook-Tools-0.5.4-7.mga10.src.rpm
Executing(%mkbuilddir): /bin/sh -e /home/pterjan/rpmbuild/tmp/rpm-tmp.65jIPT
sh: line 4: [: -j8: integer expected
Executing(%prep): /bin/sh -e /home/pterjan/rpmbuild/tmp/rpm-tmp.AqRtlx
+ umask 022
+ cd /home/pterjan/rpmbuild/BUILD/perl-EBook-Tools-0.5.4-build
+ '[' 1 -eq 1 ']'
+ '[' 1 -eq 1 ']'
+ '[' 1 -eq 1 ']'
+ cd /home/pterjan/rpmbuild/BUILD/perl-EBook-Tools-0.5.4-build
+ rm -rf EBook-Tools-v0.5.4
+ /usr/lib/rpm/rpmuncompress -x /home/pterjan/rpmbuild/SOURCES/EBook-Tools-v0.5.4.tar.gz
error: Bad exit status from /home/pterjan/rpmbuild/tmp/rpm-tmp.AqRtlx (%prep)

RPM build errors:
    Bad exit status from /home/pterjan/rpmbuild/tmp/rpm-tmp.AqRtlx (%prep)
I: [iurt_root_command] ERROR: chroot