hmm, i'm braindead. And that made it especially hard to deal with ipconfig(8):
by default, ipconfig exits after trying DHCP for 15 seconds with no answer --steffen
--- Begin Message ---Hello, erik quanstrom <quans...@labs.coraid.com> wrote: |email | quans...@quanstro.net |readme | don't dhcp by default. it looks like a hang. [.] |+ #if(! test -e /net/ipifc/0/ctl || ~ 127.0.0.1 `{cat /net/ipifc/0/local}) |+ # ip/ipconfig >/dev/null >[2=1] [.] after looking into the ipconfig source and placing some fprint() the actual "hang" is caused by a faulty length of the sleep. If i add --- a/sys/src/cmd/ip/ipconfig/main.c +++ b/sys/src/cmd/ip/ipconfig/main.c @@ -469,6 +469,12 @@ main(int argc, char **argv) int retry, action; Ctl *cp; + for (retry = 0; retry < 10; ++retry) { + long t = time(nil); + fprint(2, "retry %d, time %ld\n", retry, t); + sleep(1000); + } + init(); retry = 0; ARGBEGIN { then each tick sleeps ~1 second (sometimes a tick needed 3 in the tests i've done). But if i add --- a/sys/src/cmd/ip/ipconfig/main.c +++ b/sys/src/cmd/ip/ipconfig/main.c @@ -621,10 +621,13 @@ doadd(int retry) if(dodhcp){ mkclientid(); for(tries = 0; tries < 30; tries++){ + long t; dhcpquery(!noconfig, Sselecting); if(conf.state == Sbound) break; sleep(1000); + t = time(nil); + fprint(2, "retry %d, time %ld\n", tries, t); } } then that sleep takes reproducably 12 seconds. Without having any ideas what this could be about (VirtualBox?), i nonetheless wonder wether something like this would be imaginable, since a time difference is used later on in the code, too: --- a/sys/src/cmd/ip/ipconfig/main.c +++ b/sys/src/cmd/ip/ipconfig/main.c @@ -619,12 +619,15 @@ doadd(int retry) /* run dhcp if we need something */ if(dodhcp){ + long start = time(nil); mkclientid(); for(tries = 0; tries < 30; tries++){ dhcpquery(!noconfig, Sselecting); if(conf.state == Sbound) break; sleep(1000); + if (tries > 1 && time(nil) - start > 30) + break; } } Apologies for the patch format (it's all half-baked here). --steffen--- Begin Message ---email quans...@quanstro.net readme don't dhcp by default. it looks like a hang. set sysname, even if ndb not cooperative use diskparts instead of inline code removed files /rc/bin/termrc termrc /rc/bin/termrc termrc termrc.orig:10,18 - termrc:10,22 mntgen -s slashn && chmod 666 /srv/slashn ndb/cs -f $ndbfile sysname=`{cat /dev/sysname} + if(~ $#sysname 0){ + sysname = gnot + echo -n $sysname >/dev/sysname + } - if(! test -e /net/ipifc/0/ctl || ~ 127.0.0.1 `{cat /net/ipifc/0/local}) - ip/ipconfig >/dev/null >[2=1] + #if(! test -e /net/ipifc/0/ctl || ~ 127.0.0.1 `{cat /net/ipifc/0/local}) + # ip/ipconfig >/dev/null >[2=1] if(test -e /net/ipifc/0/ctl) ndb/dns -rf $ndbfile for(i in /net/ether?) termrc.orig:30,41 - termrc:34,44 for(i in A w f t m u v L '$' Ι Σ κ æ ©) /bin/bind -a '#'^$i /dev >/dev/null >[2=1] - for(disk in /dev/sd??) { - if(test -f $disk/data && test -f $disk/ctl) - disk/fdisk -p $disk/data >$disk/ctl >[2]/dev/null - for(part in $disk/plan9*) - if(test -f $part) - disk/prep -p $part >$disk/ctl >[2]/dev/null + diskparts + sysname=`{cat /dev/sysname} + if (~ $#sysname 0 || ~ $sysname '') { + sysname = gnot + echo -n $sysname >/dev/sysname } # hacks ------ merge...backup...copy... cpfile termrc /n/dist/rc/bin/termrc # remove these files if you want. I will not remove them for you # (apatch/undo will not restore them) done
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