Date: Mon, 11 Jun 2012 16:53:34 +0300 From: Sami Halabi <sodynet1@gmail.com> To: Ronald Klop <ronald-freebsd8@klop.yi.org> Cc: freebsd-stable@freebsd.org Subject: Re: su problem Message-ID: <CAEW%2BogZFeLSJ2ZERm4wsVSvwAzcSAZHJxQg5YQuGDBMPv2Tppg@mail.gmail.com> In-Reply-To: <op.wfqbt7hs8527sy@ronaldradial.versatec.local> References: <CAEW%2BogYrUso=nqx4dUx0rhr9XUFMmSSMP-fxNa03pgj8tNF%2B%2Bg@mail.gmail.com> <201206091035.q59AZWFB058742@lurza.secnetix.de> <CAOgwaMvp4AyLNdvENL9rXoP6D6w9JaTJr1ML5uxb28Tg9=W2uQ@mail.gmail.com> <CAEW%2BogZ3H%2BgP86zcme-nuucLyDHmUo05uZ3R7Jc1hBb_7FM4gg@mail.gmail.com> <20120609122457.GS13609@albert.catwhisker.org> <CAEW%2BogadUQzu6k1XMXyLkqjEuq-_6gShiG5mRKbBgKMyoviAEg@mail.gmail.com> <20120609123626.GT13609@albert.catwhisker.org> <CAEW%2BogY4zZLj=D9cKuoG58Ozn_UbXjx3GJCT_Gtd4f4zEp3D2A@mail.gmail.com> <4FD37CF3.109@rdtc.ru> <op.wfqbt7hs8527sy@ronaldradial.versatec.local>
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Hi, I opened 2 terminals with user sody. in first i hit "su -", and supplied password, it was stcuked. in the other I did: %ps xau | grep su sody 39830 0.0 0.0 9124 1500 0 S+ 4:51PM 0:00.00 grep su root 39812 0.0 0.0 21732 2088 1 I 4:49PM 0:00.00 su - root 39813 0.0 0.0 21732 2108 1 I+ 4:49PM 0:00.00 su - %procstat -kk 39812 PID TID COMM TDNAME KSTACK %procstat -kk 39813 PID TID COMM TDNAME KSTACK % Sami On Mon, Jun 11, 2012 at 11:14 AM, Ronald Klop <ronald-freebsd8@klop.yi.org>wrote: > On Sat, 09 Jun 2012 18:42:27 +0200, Eugene Grosbein <egrosbein@rdtc.ru> > wrote: > > 09.06.2012 19:47, Sami Halabi =D0=BF=D0=B8=D1=88=D0=B5=D1=82: >> >>> %su - >>> Password: >>> load: 0.00 cmd: su 30588 [ttydcd] 0.91r 0.00u 0.00s 0% 2092k >>> >> >> Perpaps, your system had no keyboard attached at boot time; >> or for some other reason it booted with /dev/console being serial consol= e >> instead of vidconsole. su locks trying to access serial console >> that is /dev/ttyd0 by default and has Carrier Detect flag enabled. >> Hence, it waits for CD on the first serial port (miserably and >> hopelessly). >> >> You can check if it's true with "sysctl kern.console" command. >> You could ask someone to boot the system with keyboard attached - >> no need to type anything, though. The system should detect it >> and assingn /dev/ttyv0 as /dev/console instead of /dev/ttyd0. >> And "su" won't lock. >> >> Eugene Grosbein >> > > > Can you see what su is doing with procstat -kk <pid>? > > ______________________________**_________________ > freebsd-stable@freebsd.org mailing list > http://lists.freebsd.org/**mailman/listinfo/freebsd-**stable<http://lists= .freebsd.org/mailman/listinfo/freebsd-stable> > To unsubscribe, send any mail to "freebsd-stable-unsubscribe@**freebsd.or= g<freebsd-stable-unsubscribe@freebsd.org> > " > --=20 Sami Halabi Information Systems Engineer NMS Projects Expert FreeBSD SysAdmin Expert
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