On 02/03/15 14:22, Ian Campbell wrote: > On Fri, 2015-02-27 at 17:53 +0000, Andrew Cooper wrote: >> XenServer's VM density testing uncovered a regression when moving from >> sysvinit to systemd where the file descriptor limit dropped from 4096 to >> 1024. (XenServer had previously inserted a ulimit statement into its >> initscripts.) >> >> One solution is to use LimitNOFILE=4096 in xenconsoled.service to match the >> lost ulimit, but that is only a stopgap solution. >> >> As Xenconsoled genuinely needs a large number of file descriptors if a large >> number of domains are running, attempt to increase the limit. >> >> Signed-off-by: Andrew Cooper <andrew.coop...@citrix.com> >> CC: Ian Campbell <ian.campb...@citrix.com> >> CC: Ian Jackson <ian.jack...@eu.citrix.com> >> CC: Wei Liu <wei.l...@citrix.com> > I tried to apply but I'm afraid that for 32-bit userspace this gives me: > > daemon/main.c: In function 'increase_fd_limit': > daemon/main.c:89:10: error: format '%lu' expects argument of type 'long > unsigned int', but argument 3 has type 'rlim_t' [-Werror=format] > daemon/main.c:89:10: error: format '%lu' expects argument of type 'long > unsigned int', but argument 4 has type 'rlim_t' [-Werror=format] > daemon/main.c:89:10: error: format '%lu' expects argument of type 'long > unsigned int', but argument 5 has type 'rlim_t' [-Werror=format] > daemon/main.c:89:10: error: format '%lu' expects argument of type 'long > unsigned int', but argument 6 has type 'rlim_t' [-Werror=format] > > I've no idea how one is formally supposed to print and rlim_r. > > Ian. >
Urgh - that would be why all the examples I found had an explicit (unsigned long long) cast for the values for printf(). I can respin if you wish. ~Andrew _______________________________________________ Xen-devel mailing list Xen-devel@lists.xen.org http://lists.xen.org/xen-devel