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ssh not working after Daylight Savings, Java, and security updates
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Last Post
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May 28, 2007 11:23 AM
by: cwassman
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Posts:
5
Registered:
Apr 17, 2006
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ssh not working after Daylight Savings, Java, and security updates
Posted:
Feb 16, 2007 11:38 AM
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I woke up this morning to see that there were 3 software updates available, and so I installed all three. No problems with the install, and after restarting everything appeared to be working fine. Then I opened the Terminal and tried to ssh to another machine and got a "Segmentation Fault" error.
This seg fault happens with both terminal and X11, and over both wireless and ethernet connections. Pings still work, as do other UNIX TCP utilities (I tried telnet and ftp), so the problem seems to affect just SSH.
Has anyone else experienced this problem?
Macbook core2duo 2Ghz
Mac OS X (10.4.8)
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Posts:
1
Registered:
Feb 17, 2007
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Re: ssh not working after Daylight Savings, Java, and security updates
Posted:
Feb 17, 2007 11:15 AM
in response to: scottj75
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Helpful
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I have the same problem. Anybody has an answer to solve that?
Here the verbose output from ssh (I deleted all the computer names etc.):
debug1: Reading configuration data /etc/ssh_config
debug2: ssh_connect: needpriv 0
debug1: Connecting to [] port 22.
debug1: Connection established.
debug1: identity file /Users/<user>/.ssh/identity type -1
debug1: identity file /Users/<user>/.ssh/id_rsa type -1
debug1: identity file /Users/<user>/.ssh/id_dsa type -1
debug1: Remote protocol version 2.0, remote software version OpenSSH_3.8.1p1 Debian-8.sarge.4
debug1: match: OpenSSH_3.8.1p1 Debian-8.sarge.4 pat OpenSSH_3.*
debug1: Enabling compatibility mode for protocol 2.0
debug1: Local version string SSH-2.0-OpenSSH_4.2
debug2: fd 3 setting O_NONBLOCK
Robert
Segmentation fault
Mac OS X (10.4.8)
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Posts:
46
Registered:
Jun 5, 2006
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Re: ssh not working after Daylight Savings, Java, and security updates
Posted:
Feb 17, 2007 4:12 PM
in response to: scottj75
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I tried, but I don't seem to have that problem.
MiniMac
Mac OS X (10.4.6)
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Posts:
5
Registered:
Apr 17, 2006
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Re: ssh not working after Daylight Savings, Java, and security updates
Posted:
Feb 17, 2007 9:11 PM
in response to: spingineer
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Looking around the web, I've seen that this problem has cropped up before this update. I've seen people complain that it happened to them after the airport update in early February. But it definitely hit me after the Feb 15 updates.
See http://forums.macosxhints.com/showthread.php?t=67983
spingineer, is your Mac Mini a PPC or Intel chip?
What's strage is that it seems to be sporadic, and not affecting everyone after every single update. I just hope Apple releases a fix soon, because this is a huge bug for anyone who does remote computing.
Macbook core2duo 2Ghz
Mac OS X (10.4.8)
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Posts:
46
Registered:
Jun 5, 2006
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Re: ssh not working after Daylight Savings, Java, and security updates
Posted:
Feb 18, 2007 7:35 AM
in response to: scottj75
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Helpful
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spingineer, is your Mac Mini a PPC or Intel chip?
My Mac Mini is an Intel, single core. In fact, I have to VPN into the office, and SSH various servers, and all without a problem. I've also been able to SSH to other routers and firewalls too.
MiniMac
Mac OS X (10.4.6)
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Posts:
387
From:
Houston Texas
Registered:
Mar 27, 2005
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Re: ssh not working after Daylight Savings, Java, and security updates
Posted:
Feb 18, 2007 8:19 AM
in response to: scottj75
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I have been reading other posts on several other forms that describe different problems associated with the install of these updates.
I am NOT going to install the updates now.
If you find out, please let this forum know, and others if you have the time, what the heck the problem is.
G4 Dual 1.25 GHz FW800, G4 Dual 1GHz (DUAL BOOT) Blue and White G3, and 2 Beige G3's
Mac OS X (10.3)
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Posts:
722
Registered:
Feb 8, 2007
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Re: ssh not working after Daylight Savings, Java, and security updates
Posted:
Feb 18, 2007 11:00 AM
in response to: alveolari
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I have no problem, but I'm using protocol 1.99 to connect to
Redhat. Can you force it to use protocol 1 (ssh -1)?
I think you should file a bug report and send the coredump
to Apple.
-Phil
Powerbook G4, iMac (Intel), and tons of hardware sitting in the closet
Mac OS X (10.4.8)
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Posts:
6
Registered:
Aug 25, 2004
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Re: ssh not working after Daylight Savings, Java, and security updates
Posted:
Feb 20, 2007 10:58 AM
in response to: scottj75
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The easiest fix for now is to install ssh from Fink.
This is an unacceptable error on Apple's part, to break a critical component of the operating system. What is the best way to alert them to this? Would calling AppleCare accomplish anything? I suspect the staff at AppleCare don't know what ssh is or why it might be critical.
-Eric
MacBook Pro
Mac OS X (10.4.8)
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Posts:
5
Registered:
Apr 17, 2006
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Re: ssh not working after Daylight Savings, Java, and security updates
Posted:
Feb 20, 2007 4:14 PM
in response to: Eric Salathe
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Well, I just tried this on a co-worker's computer (a Macbook CoreDuo with same OS version) who just installed the 3 Feb 15th updates, and his SSH works fine.
I've also found another thread where somebody had the same problem after upgrading to 10.4.7.
http://forums.macrumors.com/archive/index.php/t-213307.html
One anecdotal observation I see so far is that the problem with SSH seems to hit people who have the Developer Tools installed (as I do). Would that make any sense?
-Scott
Macbook core2duo 2Ghz
Mac OS X (10.4.8)
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Posts:
6
Registered:
Aug 25, 2004
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Re: ssh not working after Daylight Savings, Java, and security updates
Posted:
Feb 26, 2007 2:41 PM
in response to: Eric Salathe
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Solved
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OK, here's the problem and fix.
Something gets messed up with Kerberos during some Apple patches. This is clearly established by the vast user experiences posted around the web related both the the latest (Feb 2007 10.4.8) updates and earlier updates. When Kerberos is messed up, various communications are broken. There are specific reports regarding ssh and afp.
The fix is to go back to an earlier version of the affected software that works correctly. In this case, I went back to the 10.4.8 Combo Updater <http://www.apple.com/support/downloads/macosx1048comboupdateintel.html> and used Pacifist <http://www.charlessoft.com/> to install just the Kerberos.framework (/System/Library/Frameworks/). Doing this fixed segmentation faulting both in ssh and afp.
Elsewhere, I have seen the suggestion to also reinstall /System/Library/CoreServices/{Kerberos.app,KerberosAgent.app}. However, it seems more likely that the framework is at fault and those apps are calling the framework.
So, to be clear: ssh worked fine on my MacBook Pro until the last security update. After which, it terminated with segmentation fault. I reinstalled Kerberos.framework from the 10.4.8 Combo Updater, which fixed ssh. (As well as a lingering afp issue from earlier updates.) Note also that non-Apple builds of ssh (MacPorts or Fink), which do not use Kerberos.framework, work fine.
-Eric
MacBook Pro Mac OS X (10.4.8)
MacBook Pro
Mac OS X (10.4.8)
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Posts:
5
Registered:
Apr 17, 2006
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Re: ssh not working after Daylight Savings, Java, and security updates
Posted:
Feb 27, 2007 2:26 AM
in response to: Eric Salathe
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Thanks for the great post, Eric.
Followed your instructions and the problem is fixed.
cheers,
Scott
Macbook core2duo 2Ghz
Mac OS X (10.4.8)
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Posts:
722
Registered:
Feb 8, 2007
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Re: ssh not working after Daylight Savings, Java, and security updates
Posted:
Feb 27, 2007 8:05 AM
in response to: Eric Salathe
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Thank you, Eric. Thanks to your sleuthing I'm skipping applying the patches to my iMac, saving myself a ton of trouble. I sure appreciate it.
-Phil
Powerbook G4, iMac (Intel), and tons of hardware sitting in the closet
Mac OS X (10.4.8)
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Posts:
6
Registered:
Jun 29, 2006
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Re: ssh not working after Daylight Savings, Java, and security updates
Posted:
Mar 5, 2007 11:50 AM
in response to: scottj75
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Thanks Eric for providing the fix. I'm still waiting for the Combo updater to download, but I'm sure the fix will work, since this is the SECOND TIME I'm
having to do this, the first being back when I went to 10.4.7. It's pretty disappointing that this bug is back.
D.
iMac Intel
Mac OS X (10.4.8)
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Posts:
4
Registered:
Mar 28, 2007
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Re: ssh not working after Daylight Savings, Java, and security updates
Posted:
Mar 28, 2007 4:30 PM
in response to: Eric Salathe
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I'm running 10.4.9 currently and had this same ssh segmentation fault issue arise. I've attempted to follow the directions posted by Eric, but I fail to see a Kerberos.framework component in the 10.4.8 update. Am I doing something wrong?
MacBook Pro
Mac OS X (10.4.9)
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Posts:
43,273
Registered:
May 14, 2006
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Re: ssh not working after Daylight Savings, Java, and security updates
Posted:
Mar 28, 2007 11:45 PM
in response to: Sorte
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Did you get the BIG Combo update?
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