[Bug 1235516] Re: service networking restart causes Xorg crash
*** This bug is a duplicate of bug 1072518 *** https://bugs.launchpad.net/bugs/1072518 This bug is definitely happens on ubuntu inside virtualbox, with gnome installed.I've generally don't restart networking now since it kills the GUI. Interestingly this time, it seemed to leave one of my programmes running in the GUI, but it killed gnome shell + everything else. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1235516 Title: service networking restart causes Xorg crash To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xorg-server/+bug/1235516/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1235516] Re: service networking restart causes Xorg crash
*** This bug is a duplicate of bug 1072518 *** https://bugs.launchpad.net/bugs/1072518 ** This bug has been marked a duplicate of bug 1072518 Restart networking crashes dbus and the desktop manager -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1235516 Title: service networking restart causes Xorg crash To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xorg-server/+bug/1235516/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1235516] Re: service networking restart causes Xorg crash
Same here (fully update Saucy, no ppa's, default repos), I edited /etc/network/interfaces to add a bridge for an interface that was already in /etc/network/interfaces (not managed by network-manager). After running service networking restart I had a grey screen with a black square in the middle. Restarting lightdm from another tty failed and Xorg was labeled defunct in process list. Only a reboot fixed it since I couldn't kill xorg. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1235516 Title: service networking restart causes Xorg crash To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xorg-server/+bug/1235516/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1235516] Re: service networking restart causes Xorg crash
The issue I had was resolved, however I can still recreate the problem. The problem is 2 fold for me: 1) User error in setting invalid values to the /etc/network/interface 2) System error due to it locking up the machine completely and requiring a reboot in order to resolve issue 1. Side note: The thing I was doing was pretty routine - I was setting a static IP to the machine. Anyways, here is what I did to cause the system to lock up as is reported above: 1) edit /etc/network/interfaces 2) add the following configuration to the file: # interfaces(5) file used by ifup(8) and ifdown(8) auto lo iface lo inet loopback # The primary network interface iface eth0 inet static address 192.168.1.130 gateway 192.168.1.1 netmask 255.255.255.0 dns-nameservers 8.8.8.8 8.8.4.4 # Two things to note from the above: #a) auto eth0 is missing, #b) the dns-nameservers was incorrect for me. 3) Save the file, and issue: sudo services networking restart 4) Observe that the system will lock up completely due to an invalid configuration To Resolve the issue, and successfully restart the networking service without it freezing: 1) edit /etc/network/interfaces 2) add the following configuration to the file: # interfaces(5) file used by ifup(8) and ifdown(8) auto lo iface lo inet loopback # The primary network interface auto eth0 iface eth0 inet static address 192.168.1.105 netmask 255.255.255.0 gateway 192.168.1.1 network 192.168.1.0 broadcast 192.168.1.255 dns-nameservers 8.8.8.8 192.168.1.1 # Note that the above now has the missing auto eth0, valid dns-nameservers, # and also added (for good measure) the broadcast address 3) Save the file 4) Restart the service: sudo service networking restart 5) Observe that the service restarts, the system does not hang up, and all is well once again in the world Again, the main issue for me was user error. I'm not really sure the entire system should lock up and become unresponsive when this happens. Maybe it should - but that's up to the development team and community to decide I guess. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1235516 Title: service networking restart causes Xorg crash To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xorg-server/+bug/1235516/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1235516] Re: service networking restart causes Xorg crash
Same exact issue here. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1235516 Title: service networking restart causes Xorg crash To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xorg-server/+bug/1235516/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1235516] Re: service networking restart causes Xorg crash
Same issues here. My setup is a bonx6 from Syatem76. No network (WiFi nor ETH) and any attempt to start/restart networking crashes lightdm. Guess it's as good a time as any to try out Arch... -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1235516 Title: service networking restart causes Xorg crash To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xorg-server/+bug/1235516/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1235516] Re: service networking restart causes Xorg crash
Exact same bahaviour here. Don't know if it helps (or is another bug) that connecting to a DSL network crashes the network-manager as well, sometimes with lightdm. If it seems to be another bug, please ignore my comment. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1235516 Title: service networking restart causes Xorg crash To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xorg-server/+bug/1235516/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1235516] Re: service networking restart causes Xorg crash
Status changed to 'Confirmed' because the bug affects multiple users. ** Changed in: xorg-server (Ubuntu) Status: New = Confirmed -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1235516 Title: service networking restart causes Xorg crash To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xorg-server/+bug/1235516/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1235516] Re: service networking restart causes Xorg crash
I actually am having the exact same problem, right down to the lead-up. After resuming from suspend I found myself unable to connect to wireless networks, so I tried restarting networking with 'service networking restart'. lightdm and everything under it immediately went down hard. I was able to get to a VT, and when I tried to 'service lightdm start', the computer stopped responding to keyboard input, and shut down when I tapped the power button. Upon restarting, I tried to restart networking immediately after logging in, and the window manager ended up trapped in a restart loop. I then tried booting to the login screen, switching to a VT, stopping lightdm, restarting networking, and starting lightdm, but lightdm fails to start. Cursory examination of the logs provided by the original reporter indicate that our hardware is radically different. This leads me to be skeptical of the memory hardware diagnosis. It seems outlandishly improbable that two completely different computers would experience reproducible corruption of the same byte of kernel memory without any other discernable memory errors. This is 100% reproducible on my system. Do you need anything from me? -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1235516 Title: service networking restart causes Xorg crash To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xorg-server/+bug/1235516/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1235516] Re: service networking restart causes Xorg crash
The original cause seems to be bad RAM - there is a single invalid byte inside an uncached memory region, which is most likely due to a physical error not software. ** Package changed: xserver-xorg-video-intel (Ubuntu) = xorg-server (Ubuntu) -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1235516 Title: service networking restart causes Xorg crash To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xorg-server/+bug/1235516/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1235516] Re: service networking restart causes Xorg crash
Interesting! How did you manage to determine that? I just ran MemTest86 for 10 hours with no errors, but of course other sources of memory corruption are possible. E.g. the computer's manufacturer did not expect more than 4GB of RAM to be used and may have mapped the GPU's hardware registers just above 4GB. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1235516 Title: service networking restart causes Xorg crash To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xorg-server/+bug/1235516/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1235516] Re: service networking restart causes Xorg crash
In the crash dump, the instruction that blows up has a single byte incorrect. That is a constant written by the kernel into uncached memory to be read by the GPU, so the write should be fine. That leaves either it gets overwritten by something else or there was a physical defect. Since I could only see a single byte invalid inside the crash dump, it didn't look likely to be a stray invalid write - leading me to suspect hardware. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1235516 Title: service networking restart causes Xorg crash To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xorg-server/+bug/1235516/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1235516] Re: service networking restart causes Xorg crash
This will fix the crash, but really it is just the last step in a long journey of fail. ** Patch added: 0001-glx-glxdri2-Unwrap-EnterVT-LeaveVT-upon-CloseScreen.patch https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-intel/+bug/1235516/+attachment/3860639/+files/0001-glx-glxdri2-Unwrap-EnterVT-LeaveVT-upon-CloseScreen.patch -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1235516 Title: service networking restart causes Xorg crash To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-intel/+bug/1235516/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1235516] Re: service networking restart causes Xorg crash
The attachment 0001-glx-glxdri2-Unwrap-EnterVT-LeaveVT-upon- CloseScreen.patch seems to be a patch. If it isn't, please remove the patch flag from the attachment, remove the patch tag, and if you are a member of the ~ubuntu-reviewers, unsubscribe the team. [This is an automated message performed by a Launchpad user owned by ~brian-murray, for any issues please contact him.] ** Tags added: patch -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1235516 Title: service networking restart causes Xorg crash To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-intel/+bug/1235516/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1235516] Re: service networking restart causes Xorg crash
** Summary changed: - [gm45] GPU lockup IPEHR: 0x0a8da72e + service networking restart causes Xorg crash -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1235516 Title: service networking restart causes Xorg crash To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-intel/+bug/1235516/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
