Date: Sun, 4 Jan 2004 13:34:40 -0800 From: Will Prater <lists-wp@mercurycloud.net> To: "Subhro" <subhro@fusemail.com> Cc: questions@freebsd.org Subject: Re: sshd crashing server Message-ID: <CD6657DE-3EFD-11D8-A6CA-000A95DBBE34@mercurycloud.net> In-Reply-To: <200401040657.MAA02706@manage.24online> References: <200401040657.MAA02706@manage.24online>
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Subhro, On Jan 3, 2004, at 10:54 PM, Subhro wrote: > Hey Will, > Do you remember if you added anything nonstandard to CFLAGS in > /etc/make.conf? I dont thin I have added anything to /etc/make.conf. I can confirm once the system is up again. SSHD did not start up at boot after the crash so I am trying to have someone in the colo start it manually, hoping that will get me in!! > Something like -funroll-loops or some non standard > optimizations? Also what is the securelevel you are running the system > at? I am not sure, probably 0. > Did u specifically mention to OVERWRITE the base system and did u add > the > line sshd_script="/usr/local/sbin/sshd" in /etc/rc.conf? Yes, those are done. That is why I wonder why no sshd started at bootup. I sure hope the team over at the colo can get sshd running. > IF u did all of > these then I would recommend add NO_OPENSSH="YES" to /etc/make.conf and > rebuild the world. Also go through a CVSup before the rebuild. Also if > possible paste the last 25 lines of /var/log/messages. As far as I can > make > out without the logs, somehow the sshd code has got to become > incompatible > with the rest of the source tree. OK. Let me get the machine up and I would gladly send you some of the messages. Thanks again!! > > Cheers! > Subhro > > -----Original Message----- > From: Will Prater [mailto:lists-wp@mercurycloud.net] > Sent: Sunday, January 04, 2004 11:00 AM > To: Subhro > Cc: freebsd-questions@freebsd.org > Subject: Re: sshd crashing server > > Subhro, > > I have done this and tried another command that would spew some data > and the machine crashed again. Any more ideas why the sshd process > would be choking and crashing the server? > > I cant send you an example as I am locked out. Looks like sshd is not > starting after the new port install described below. > > > Regards > > Will > > On Jan 3, 2004, at 1:09 PM, Subhro wrote: > >> Hey Will, >> The original SSH shipped with the base system is actually a scaled >> down >> version. Check out /usr/ports/security/openssh-portable. Compile the >> above >> port with option -DOPENSSH_OVERWRITE_BASE and also include >> -DWITHOUT_KERBEROS if you do not need the Kerberos Authentication. >> This will >> overwrite the base SSH system with an OpenSSH version specifically >> ported to >> FreeBSD. Also I would like to know the contents of CFLAGS in >> /etc/make.conf. >> Make a note that after every "make world" you would have to clean and >> reinstall the port with >> >> make install -DOPENSSH_OVERWRITE_BASE -DWITHOUT_KERBEROS >> >> Cheers! >> >> Subhro >> >> -----Original Message----- >> From: owner-freebsd-questions@freebsd.org >> [mailto:owner-freebsd-questions@freebsd.org] On Behalf Of Will Prater >> Sent: Sunday, January 04, 2004 2:20 AM >> To: questions@freebsd.org >> Subject: Re: sshd crashing server >> >> >> On Jan 2, 2004, at 3:36 PM, Lowell Gilbert wrote: >> >>> Will Prater <lists-wp@mercurycloud.net> writes: >>> >>>> List, >>>> >>>> sshd seems to be crashing my server. I am looking for any help >>>> regarding why this could be happening. I am running sshd version >>>> OpenSSH_3.6.1. Here is the output from dmesg: >>>> >>>> the machine crashed every time when running >>>> >>>> #ipfw show >>>> or >>>> #dmesg -a >>>> >>>> for example and will crash when part way through the listing. Any >>>> ideas?? >>>> >>>> ---- >>>> Fatal trap 12: page fault while in kernel mode >>>> fault virtual address = 0x0 >>>> fault code = supervisor read, page not present >>>> instruction pointer = 0x8:0xc023c52a >>>> stack pointer = 0x10:0xd9ff6bbc >>>> frame pointer = 0x10:0xd9ff6be4 >>>> code segment = base 0x0, limit 0xfffff, type 0x1b >>>> = DPL 0, pres 1, def32 1, gran 1 >>>> processor eflags = interrupt enabled, resume, IOPL = 0 >>>> current process = 394 (sshd) >>>> interrupt mask = net tty >>>> trap number = 12 >>>> panic: page fault >>> >>> 1) What version of FreeBSD? >> >> 4.9 RELEASE >> >>> 2) How did you install that version of OpenSSH? >> >> I have tried the one from the ports and the pre-installed version. >> >> >> Thanks >> >> >> --will >> >> _______________________________________________ >> freebsd-questions@freebsd.org mailing list >> http://lists.freebsd.org/mailman/listinfo/freebsd-questions >> To unsubscribe, send any mail to >> "freebsd-questions-unsubscribe@freebsd.org" >> >> >> >> >> >> > --will > > > > > > > --will
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