[Bug 849414] Re: plymouthd crashed with SIGSEGV in ply_event_loop_process_pending_events()

2014-08-13 Thread Kehan Harman
*** This bug is a duplicate of bug 553745 ***
https://bugs.launchpad.net/bugs/553745

I know it's a couple of years on, but I'm getting the same problem on
lubuntu 14.04. I managed to get the valgrind log that's been requested
so I hope this makes a difference.

** Attachment added: valgrind.log
   
https://bugs.launchpad.net/ubuntu/+source/plymouth/+bug/849414/+attachment/4176585/+files/valgrind.log

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[Bug 849414] Re: plymouthd crashed with SIGSEGV in ply_event_loop_process_pending_events()

2012-11-03 Thread luke cypret
*** This bug is a duplicate of bug 553745 ***
https://bugs.launchpad.net/bugs/553745

Causing problems for me and many other people right now. These fresh
installations of 12.10 x64 are garbage I'm sorry to say, unusable at
this time.

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[Bug 849414] Re: plymouthd crashed with SIGSEGV in ply_event_loop_process_pending_events()

2012-10-18 Thread Mathieu Dupuis
*** This bug is a duplicate of bug 553745 ***
https://bugs.launchpad.net/bugs/553745

I still have the same problem with 12.10 (Not a clean install)

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[Bug 849414] Re: plymouthd crashed with SIGSEGV in ply_event_loop_process_pending_events()

2012-08-28 Thread TheOldFellow
*** This bug is a duplicate of bug 553745 ***
https://bugs.launchpad.net/bugs/553745

Same crash in 12.04 LTS

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[Bug 849414] Re: plymouthd crashed with SIGSEGV in ply_event_loop_process_pending_events()

2012-03-30 Thread James Hunt
*** This bug is a duplicate of bug 553745 ***
https://bugs.launchpad.net/bugs/553745

** This bug has been marked a duplicate of bug 553745
   plymouthd crashed with SIGSEGV in ply_event_loop_process_pending_events()

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[Bug 849414] Re: plymouthd crashed with SIGSEGV in ply_event_loop_process_pending_events()

2012-03-05 Thread Dimitris Kas
Same crash in 12.04 beta

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[Bug 849414] Re: plymouthd crashed with SIGSEGV in ply_event_loop_process_pending_events()

2012-03-04 Thread Paul White
I installed FGLRX driver and rebooted.
It didn't perform well so I uninstalled and rebooted
This crash occurred on first reboot and login to Gnome Shell.
Using fully updated Precise beta 1


** Tags added: precise

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[Bug 849414] Re: plymouthd crashed with SIGSEGV in ply_event_loop_process_pending_events()

2012-02-25 Thread IKT
Same issue showing up in 12.04 alpha 2

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[Bug 849414] Re: plymouthd crashed with SIGSEGV in ply_event_loop_process_pending_events()

2012-01-25 Thread Kangarooo
10.04 LTS is LTS so it needs to be also repaired before support will go
away so it can be used for next 10 years also

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[Bug 849414] Re: plymouthd crashed with SIGSEGV in ply_event_loop_process_pending_events()

2011-11-15 Thread Steve Langasek
** Changed in: plymouth (Ubuntu Precise)
Milestone: None = ubuntu-12.04

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[Bug 849414] Re: plymouthd crashed with SIGSEGV in ply_event_loop_process_pending_events()

2011-11-09 Thread James Hunt
** Changed in: plymouth (Ubuntu Oneiric)
 Assignee: (unassigned) = James Hunt (jamesodhunt)

** Changed in: plymouth (Ubuntu Precise)
 Assignee: (unassigned) = James Hunt (jamesodhunt)

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[Bug 849414] Re: plymouthd crashed with SIGSEGV in ply_event_loop_process_pending_events()

2011-11-02 Thread Jordan Bradley
Then something else is completely preventing my computer from booting
properly. :-/

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[Bug 849414] Re: plymouthd crashed with SIGSEGV in ply_event_loop_process_pending_events()

2011-11-01 Thread Jordan Bradley
Did someone ask for a plymouth-debug log?

** Attachment added: plymouth-debug.log
   
https://bugs.launchpad.net/ubuntu/+source/plymouth/+bug/849414/+attachment/2582083/+files/plymouth-debug.log

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[Bug 849414] Re: plymouthd crashed with SIGSEGV in ply_event_loop_process_pending_events()

2011-11-01 Thread Steve Langasek
Jordan, we need a debug log that shows a plymouth crash.  This appears
to show a succesful exit.

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[Bug 849414] Re: plymouthd crashed with SIGSEGV in ply_event_loop_process_pending_events()

2011-10-26 Thread Steve Langasek
** Tags added: rls-p-tracking

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[Bug 849414] Re: plymouthd crashed with SIGSEGV in ply_event_loop_process_pending_events()

2011-10-14 Thread James Hunt
@Callum: I think the reason you and others are no longer seeing the
problem is that apport -- the application which detects program crashes
-- is defaulting to off now that oneiric has released.

If you would like to re-enable apport you can run the following and
apport will then be active on next boot:

sudo sed -i 's/^enabled=0/enabled=1/g' /etc/default/apport

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[Bug 849414] Re: plymouthd crashed with SIGSEGV in ply_event_loop_process_pending_events()

2011-10-12 Thread James Hunt
I've now written a plymouth C client that fires semi-random plymouth
commands to plymouthd continuously (with random delays) and have run
multiple instances of this in an attempt to force the bug and plymouthd
still fails to crash.

We really need a failing /var/log/plymouth-debug.log (or a failing
valgrind.log) if anyone can obtain one...?

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[Bug 849414] Re: plymouthd crashed with SIGSEGV in ply_event_loop_process_pending_events()

2011-10-12 Thread James Hunt
@SlugiusRex: thanks for running the script: I've now fixed that typo in
it. If you could re-run and get a log of a failing boot that would be
great.

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[Bug 849414] Re: plymouthd crashed with SIGSEGV in ply_event_loop_process_pending_events()

2011-10-11 Thread James Hunt
Please could anybody who can recreate this problem help by obtaining a
debug log as per comment #14.

@Callum / @Luke: Would you be willing to do this to help us out?

If you are unhappy to modify your grub config, you can simply add the
plymouth:debug option each time you boot (the system will revert to
standard behaviour if you do not make the change of course). Simple
instructions are here:

https://wiki.ubuntu.com/Plymouth#Enabling_Logging

Thanks very much in advance!

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[Bug 849414] Re: plymouthd crashed with SIGSEGV in ply_event_loop_process_pending_events()

2011-10-11 Thread James Hunt
I've written a basic script that runs a set of random plymouth commands
post-boot. I am still unable to recreate the SIGSEGV crash on all my
hardware, but it would be interesting to see if those who are
experiencing the problem can run this script to generate a crash. If
you're willing...

1. Download script:

cd /tmp  wget
http://people.canonical.com/~jhunt/plymouth/test_plymouth.sh

2. Make it executable:

chmod 755 test_plymouth.sh

3. Install required package:

sudo apt-get install plymouth-x11

4. Run 2 instances of script

4a) In one terminal:

  sudo /tmp/test_plymouth.sh --server

4b) In another terminal:

sudo /tmp/test_plymouth.sh --client --max 2048

Unfortunately, you *might* find that the server instance of the script
will exit with a Too many open files message. This issue as been
reported with plymouth upstream. To work around this, before running the
server instance of the script

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[Bug 849414] Re: plymouthd crashed with SIGSEGV in ply_event_loop_process_pending_events()

2011-10-11 Thread Deka Wahyu Purwanto
hmm... that was weird... previously I got this bug then I did as comment
in #14. After reboot just now, there is no bug report pop-up. I will
attach the log when the bug report pop up.

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Re: [Bug 849414] Re: plymouthd crashed with SIGSEGV in ply_event_loop_process_pending_events()

2011-10-11 Thread James Page
-BEGIN PGP SIGNED MESSAGE-
Hash: SHA256

On 11/10/11 12:19, Deka Wahyu Purwanto wrote:
 hmm... that was weird... previously I got this bug then I did as
 comment in #14. After reboot just now, there is no bug report
 pop-up. I will attach the log when the bug report pop up.

I see this as well - putting plymouth into debug mode appears to stop
the issue happening.

- -- 
James Page
Ubuntu Core Developer
-BEGIN PGP SIGNATURE-
Version: GnuPG v1.4.11 (GNU/Linux)
Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org/

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[Bug 849414] Re: plymouthd crashed with SIGSEGV in ply_event_loop_process_pending_events()

2011-10-11 Thread James Hunt
Hi Luke - my disassembly simply pointed to the source line that caused
the crash. However, we still don't know why the source object is NULL
(it should never be apparently). What we really need is a full core dump
to analyze but since I am unable to recreate the problem I'd like to
invite anyone who can reliably reproduce this issue to help use
understand the actual cause.

AFAIK, the bug is still there, but enabling debug seems to be masking
the problem.

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[Bug 849414] Re: plymouthd crashed with SIGSEGV in ply_event_loop_process_pending_events()

2011-10-11 Thread Luke Scharf
I haven't been able to reproduce this bug since I followed the
instructions in Comment #14 and removed my account's dot-file containing
apport exclude list. I've since given up on trying to reproduce it.

I had also figured that James Hunt's dissassembly had settled the issue.

I didn't see any obvious ill effects from this bug (other than the
apport dialog box), so I'm half-wondering if the bug itself was a false
alarm?

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Re: [Bug 849414] Re: plymouthd crashed with SIGSEGV in ply_event_loop_process_pending_events()

2011-10-11 Thread Steve Langasek
On Tue, Oct 11, 2011 at 03:00:27PM -, James Hunt wrote:
 Hi Luke - my disassembly simply pointed to the source line that caused
 the crash. However, we still don't know why the source object is NULL
 (it should never be apparently). What we really need is a full core dump
 to analyze

Given that this appears to be memory corruption, what we really need is
enough information to *reproduce* the problem as a core dump is likely to
only show that memory has been corrupted without giving us any hints to why.

If someone is able to reproduce this at will and wants to try running
plymouth under valgrind for us, that could be helpful.

-- 
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Debian Developer   to set it on, and I can move the world.
Ubuntu Developerhttp://www.debian.org/
slanga...@ubuntu.com vor...@debian.org

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[Bug 849414] Re: plymouthd crashed with SIGSEGV in ply_event_loop_process_pending_events()

2011-10-11 Thread James Hunt
And on that note, I'm in the process of trying to shoe-horn valgrind
into the initramfs :)

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[Bug 849414] Re: plymouthd crashed with SIGSEGV in ply_event_loop_process_pending_events()

2011-10-11 Thread James Hunt
Here is a script that will run plymouthd with valgrind:

http://people.canonical.com/~jhunt/plymouth/valgrind_plymouth.sh

Instructions:

1. Download script

cd /tmp  wget
http://people.canonical.com/~jhunt/plymouth/valgrind_plymouth.sh

2. Make it executable:

chmod 755 valgrind_plymouth.sh

3. Install required package:

sudo apt-get install valgrind

4. Run scripts:

4a) In one terminal:

  sudo /tmp/valgrind_plymouth.sh

4b) In another terminal:

sudo /tmp/test_plymouth.sh --client --max 2048

It will create a log in /tmp/valgrind.log. If this doesn't generate any
errors, try running step (4a) instead as:

  sudo /tmp/valgrind_plymouth.sh debug

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[Bug 849414] Re: plymouthd crashed with SIGSEGV in ply_event_loop_process_pending_events()

2011-10-11 Thread James Hunt
plymouth in intramfs is causing a few problems at the moment, so
hopefully running plymouth with valgrind post-boot as explained above
might catch the issue.

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Title:
  plymouthd crashed with SIGSEGV in
  ply_event_loop_process_pending_events()

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RE: [Bug 849414] Re: plymouthd crashed with SIGSEGV in ply_event_loop_process_pending_events()

2011-10-11 Thread SlugiusRex
ERROR: package valrind needed. Please install it with:
sudo apt-get install valrind
** Modified script :   required_pkg=valgrind


 Date: Tue, 11 Oct 2011 16:24:53 +
 From: 849...@bugs.launchpad.net
 To: toddglo...@hotmail.com
 Subject: [Bug 849414] Re: plymouthd crashed with SIGSEGV in   
 ply_event_loop_process_pending_events()
 
 plymouth in intramfs is causing a few problems at the moment, so
 hopefully running plymouth with valgrind post-boot as explained above
 might catch the issue.
 
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 duplicate bug report (854173).
 https://bugs.launchpad.net/bugs/849414
 
 Title:
   plymouthd crashed with SIGSEGV in
   ply_event_loop_process_pending_events()
 
 Status in “plymouth” package in Ubuntu:
   Incomplete
 Status in “plymouth” source package in Oneiric:
   Incomplete
 Status in “plymouth” source package in Precise:
   Incomplete
 
 Bug description:
   System did not crash. Bug reporter popped up, so I am reporting. Other
   reports were for 10.04, not 11.10 beta. hope this helps.
 
   ProblemType: Crash
   DistroRelease: Ubuntu 11.10
   Package: plymouth 0.8.2-2ubuntu25
   ProcVersionSignature: Ubuntu 3.0.0-11.17-generic 3.0.4
   Uname: Linux 3.0.0-11-generic i686
   ApportVersion: 1.22.1-0ubuntu2
   Architecture: i386
   Date: Tue Sep 13 16:35:33 2011
   DefaultPlymouth: /lib/plymouth/themes/ubuntu-logo/ubuntu-logo.plymouth
   ExecutablePath: /sbin/plymouthd
   InstallationMedia: Ubuntu 11.04 Natty Narwhal - Release i386 (20110427.1)
   Lsusb:
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 005 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
   MachineType: Dell Inc. Latitude D610
   PccardctlIdent:
Socket 0:
  no product info available
   PccardctlStatus:
Socket 0:
  no card
   ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.0.0-11-generic 
 root=UUID=53aeeb3c-456d-40c6-888f-68577cebacd4 ro quiet splash vt.handoff=7
   ProcCmdline: /sbin/plymouthd --mode=boot --attach-to-session
   ProcEnviron: PATH=(custom, no user)
   ProcFB: 0 inteldrmfb
   ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.0.0-11-generic 
 root=UUID=53aeeb3c-456d-40c6-888f-68577cebacd4 ro quiet splash vt.handoff=7
   SegvAnalysis:
Segfault happened at: 0x5ce5b7 
 ply_event_loop_process_pending_events+455:test   %ecx,0x4(%esi)
PC (0x005ce5b7) ok
source %ecx ok
destination 0x4(%esi) (0x0004) not located in a known VMA region 
 (needed writable region)!
   SegvReason: writing NULL VMA
   Signal: 11
   SourcePackage: plymouth
   StacktraceTop:
ply_event_loop_process_pending_events () from /lib/libply.so.2
ply_event_loop_run () from /lib/libply.so.2
?? ()
__libc_start_main () from /lib/i386-linux-gnu/libc.so.6
?? ()
   TextPlymouth: /lib/plymouth/themes/ubuntu-text/ubuntu-text.plymouth
   Title: plymouthd crashed with SIGSEGV in 
 ply_event_loop_process_pending_events()
   UpgradeStatus: Upgraded to oneiric on 2011-09-05 (7 days ago)
   UserGroups:

   dmi.bios.date: 10/02/2005
   dmi.bios.vendor: Dell Inc.
   dmi.bios.version: A06
   dmi.board.name: 0U8082
   dmi.board.vendor: Dell Inc.
   dmi.chassis.type: 8
   dmi.chassis.vendor: Dell Inc.
   dmi.modalias: 
 dmi:bvnDellInc.:bvrA06:bd10/02/2005:svnDellInc.:pnLatitudeD610:pvr:rvnDellInc.:rn0U8082:rvr:cvnDellInc.:ct8:cvr:
   dmi.product.name: Latitude D610
   dmi.sys.vendor: Dell Inc.
 
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[Bug 849414] Re: plymouthd crashed with SIGSEGV in ply_event_loop_process_pending_events()

2011-10-11 Thread SlugiusRex
Completed running the script after I made that little mod ( valgrind vs.  
valrind).
THe log file is attachedl


** Attachment added: valgrind.log
   
https://bugs.launchpad.net/ubuntu/oneiric/+source/plymouth/+bug/849414/+attachment/2536714/+files/valgrind.log

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[Bug 849414] Re: plymouthd crashed with SIGSEGV in ply_event_loop_process_pending_events()

2011-10-11 Thread Callum Williams
@James Hunt
I would love to help but I'm happy to say that I haven't had crash of any sort 
for a good week (without me doing anything) if it starts up again I'll jump on 
it, but not much I can do right now.

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Re: [Bug 849414] Re: plymouthd crashed with SIGSEGV in ply_event_loop_process_pending_events()

2011-10-11 Thread Steve Langasek
SlugiusRex,

On Tue, Oct 11, 2011 at 05:09:18PM -, SlugiusRex wrote:
 Completed running the script after I made that little mod ( valgrind vs. 
 valrind).  THe log file is attachedl

Is this run on a machine where the crash is consistently reproducible?
Because the log shows no signs of any corruption, or even a crash.

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[Bug 849414] Re: plymouthd crashed with SIGSEGV in ply_event_loop_process_pending_events()

2011-10-11 Thread SlugiusRex
OK then ~ I guess I didn't look at anything other than the first line.

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[Bug 849414] Re: plymouthd crashed with SIGSEGV in ply_event_loop_process_pending_events()

2011-10-10 Thread Alvaro Alvarez C
** Changed in: plymouth (Ubuntu Oneiric)
   Status: Incomplete = New

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[Bug 849414] Re: plymouthd crashed with SIGSEGV in ply_event_loop_process_pending_events()

2011-10-10 Thread Steve Langasek
Please don't change the 'incomplete' tag without providing the
information requested in comment #14!

** Changed in: plymouth (Ubuntu Oneiric)
   Status: New = Incomplete

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[Bug 849414] Re: plymouthd crashed with SIGSEGV in ply_event_loop_process_pending_events()

2011-10-09 Thread Justin
was trying to start up Update Manager..

11.10 x64

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[Bug 849414] Re: plymouthd crashed with SIGSEGV in ply_event_loop_process_pending_events()

2011-10-09 Thread Kd Jm
system just started up, downloaded a pdf file, was reading the pdf file.
11.10 x64

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[Bug 849414] Re: plymouthd crashed with SIGSEGV in ply_event_loop_process_pending_events()

2011-10-09 Thread Fayer Michael
I was just starting my laptop and using gedit. It seems the reporter
program (apport?) has problem too.

11.10 32-bit

$ lsb_release -rd
Description:Ubuntu oneiric (development branch)
Release:11.10

$ apt-cache policy plymouth
plymouth:
  Installed: 0.8.2-2ubuntu28
  Candidate: 0.8.2-2ubuntu28
  Version table:
 *** 0.8.2-2ubuntu28 0
500 http://archive.ubuntu.com/ubuntu/ oneiric/main i386 Packages
100 /var/lib/dpkg/status

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[Bug 849414] Re: plymouthd crashed with SIGSEGV in ply_event_loop_process_pending_events()

2011-10-06 Thread Colin Mills
Was running Nautilus. when the crash message outputted.
Ubuntu 11.10, 64 bit version

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[Bug 849414] Re: plymouthd crashed with SIGSEGV in ply_event_loop_process_pending_events()

2011-10-05 Thread James Hunt
I've disassembled the offending library code and looking at the register
dump we can learn a little more

Firstly, I now think the problem is *not* in
ply_event_loop_process_pending_events() - it's in
ply_event_loop_handle_timeouts(). The reason for the confusion is that
it appears that gcc has optimized ply_event_loop_handle_timeouts() by
inlining it into ply_event_loop_process_pending_events(). So, if we now
look at ply_event_loop_handle_timeouts(), we can see the code that's
causing plymouthd to die:

1216   while (node != NULL)
1217 {
1218   ply_list_node_t *next_node;
1219   ply_event_loop_timeout_watch_t *watch;
1220   
1221   watch = (ply_event_loop_timeout_watch_t *) ply_list_node_get_data 
(node); 
1222   next_node = ply_list_get_next_node (loop-timeout_watches, node); 
1223   
1224   if (watch-timeout = now) /* XXX: crash is triggered here */
1225 {

The offending line is 1224. In assembler this equates to:

test   %ecx,0x4(%esi)

... where ecx=0x1 and esi = 0x0.

In pseudo-C-code though what is actually happening in plymouthd is:

  if ( NULL-timeout = 1)

So the problem is that the timeout watch is NULL. Looking at the C code
shows that no check is performed on 'watch' being NULL or not - it's
just blindly dereferenced which causes the SIGSEGV. However, I can't yet
see how watch is ever NULL, unless it's that pesky alloca causing
undefined behaviour maybe.

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[Bug 849414] Re: plymouthd crashed with SIGSEGV in ply_event_loop_process_pending_events()

2011-10-03 Thread Luke Scharf
I'm seeing the same thing as you all.

lukescharf@gear:~$ lspci | egrep -i 'graphics|audio'
00:02.0 VGA compatible controller: Intel Corporation 2nd Generation Core 
Processor Family Integrated Graphics Controller (rev 09)
00:1b.0 Audio device: Intel Corporation 6 Series/C200 Series Chipset Family 
High Definition Audio Controller (rev 04)

My only external USB device is a mouse -- the rest are hubs and an
sdcard reader that are integrated into the laptop.

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[Bug 849414] Re: plymouthd crashed with SIGSEGV in ply_event_loop_process_pending_events()

2011-10-03 Thread Luke Scharf
Here's my plymouth-debug.log.  I turned off the apport notifications for
this version of the package, so I'm only 95% positive it's reproducing
the problem.  The log does contain some interesting-looking graphics-
related errors/warnings.

** Attachment added: plymouth-debug.log
   
https://bugs.launchpad.net/ubuntu/+source/plymouth/+bug/849414/+attachment/2501449/+files/plymouth-debug.log

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[Bug 849414] Re: plymouthd crashed with SIGSEGV in ply_event_loop_process_pending_events()

2011-10-03 Thread Luke Scharf
The part that jumped out at me is the following line:
[ply-utils.c]   ply_open_module:Could not load 
module /lib/plymouth/renderers/x11.so: /lib/plymouth/renderers/x11.so: cannot 
open shared object file: No such file or directory

Not sure if it's an error or a warning, or if it's even significant...
But, since it's in the middle of the file, I thought I'd point it out,
just in case it rings a bell for one of the developers.

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[Bug 849414] Re: plymouthd crashed with SIGSEGV in ply_event_loop_process_pending_events()

2011-10-03 Thread Steve Langasek
Luke, unfortunately that log shows that plymouth stayed running for you
right up to the end and exited normally in response to 'plymouth quit
--retain-splash'.  So it looks like this log does *not* correspond to a
crash and doesn't give us anything we can use, I'm afraid.

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[Bug 849414] Re: plymouthd crashed with SIGSEGV in ply_event_loop_process_pending_events()

2011-10-03 Thread Luke Scharf
Bummer.  Is there a way that I can set apport to start reporting the
error again?  I may get a chance this evening to reboot a few times and
see if I can reproduce it.

Thanks,
-Luke

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Re: [Bug 849414] Re: plymouthd crashed with SIGSEGV in ply_event_loop_process_pending_events()

2011-10-03 Thread Steve Langasek
On Mon, Oct 03, 2011 at 03:48:15PM -, Luke Scharf wrote:
 Bummer.  Is there a way that I can set apport to start reporting the
 error again?  I may get a chance this evening to reboot a few times and
 see if I can reproduce it.

Setting 'enabled=1' in /etc/default/apport and rerunning 'service apport
start' should do the job.

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[Bug 849414] Re: plymouthd crashed with SIGSEGV in ply_event_loop_process_pending_events()

2011-09-30 Thread Kate Stewart
** Also affects: plymouth (Ubuntu P-series)
   Importance: Undecided
   Status: New

** Changed in: plymouth (Ubuntu P-series)
   Status: New = Incomplete

** Changed in: plymouth (Ubuntu P-series)
   Importance: Undecided = High

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[Bug 849414] Re: plymouthd crashed with SIGSEGV in ply_event_loop_process_pending_events()

2011-09-30 Thread Kate Stewart
** Tags removed: rls-mgr-o-tracking
** Tags added: rls-mgr-p-tracking

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[Bug 849414] Re: plymouthd crashed with SIGSEGV in ply_event_loop_process_pending_events()

2011-09-29 Thread Charlie Kravetz
@Callum Williams: please see comment #14 above. If you can reliably
reproduce this, perhaps you could do as the developer suggests and
attach the logs?

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[Bug 849414] Re: plymouthd crashed with SIGSEGV in ply_event_loop_process_pending_events()

2011-09-29 Thread Callum Williams
It crashes for me every time my desktop loads.
I'm running Ubuntu 11.10 64bit

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[Bug 849414] Re: plymouthd crashed with SIGSEGV in ply_event_loop_process_pending_events()

2011-09-29 Thread Charlie Kravetz
Verified log times. 
Since I ran upgrades the first time I logged in, my times are :

/var/crash/_sbin_plymouthd.0.crash 29 Sep 201101:15:20
/var/log/dpkg.logupdates finished 29 Sep 201113:07:04
/var/log/syslogrestart29 Sep 201113:11:02

Sure hope this helps. I will not erase the logs for 24 hours, so I can
attach them if needed.

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[Bug 849414] Re: plymouthd crashed with SIGSEGV in ply_event_loop_process_pending_events()

2011-09-29 Thread Kate Stewart
** Tags added: rls-mgr-o-tracking

** Also affects: plymouth (Ubuntu Oneiric)
   Importance: High
   Status: Incomplete

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[Bug 849414] Re: plymouthd crashed with SIGSEGV in ply_event_loop_process_pending_events()

2011-09-29 Thread Charlie Kravetz
Experienced this issue after a fresh Xubuntu Oneiric Ocelot installation
using the image dated 2011-09-29. Unfortunately, the crash occurred on
the first restart after installing. Specifically:

1. install Xubuntu
2. remove cd and restart computer by hitting Enter
3. login to the desktop
4. open a terminal and run sudo apt-get update, sudo apt-get dist-upgrade
5. after updates complete, click on name in panel, click on reboot
6. login 
7. observe crash report

After the crash, Plymouth does not start immediately, but shows up
immediately before the lightdm screen. It is almost a flash of plymouth.
I was not able to reproduce the crash.

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Re: [Bug 849414] Re: plymouthd crashed with SIGSEGV in ply_event_loop_process_pending_events()

2011-09-29 Thread Steve Langasek
Charlie,

On Thu, Sep 29, 2011 at 07:35:17PM -, Charlie Kravetz wrote:
 Experienced this issue after a fresh Xubuntu Oneiric Ocelot installation
 using the image dated 2011-09-29. Unfortunately, the crash occurred on
 the first restart after installing. Specifically:

 1. install Xubuntu
 2. remove cd and restart computer by hitting Enter
 3. login to the desktop
 4. open a terminal and run sudo apt-get update, sudo apt-get dist-upgrade
 5. after updates complete, click on name in panel, click on reboot
 6. login 
 7. observe crash report

 After the crash, Plymouth does not start immediately, but shows up
 immediately before the lightdm screen. It is almost a flash of plymouth.
 I was not able to reproduce the crash.

Could you please check the timestamp of the crashfile, to verify whether
this plymouth crash corresponds to the *first* boot after install, or the
second?  (Sometimes there are delays in apport crashes being reported to the
user.  This is normal, but it does sometimes make it awkward to understand
what caused the crash.)

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[Bug 849414] Re: plymouthd crashed with SIGSEGV in ply_event_loop_process_pending_events()

2011-09-29 Thread crtm
after update, bug reporter popped up

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[Bug 849414] Re: plymouthd crashed with SIGSEGV in ply_event_loop_process_pending_events()

2011-09-29 Thread Steve Langasek
** Changed in: plymouth (Ubuntu Oneiric)
Milestone: None = oneiric-updates

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[Bug 849414] Re: plymouthd crashed with SIGSEGV in ply_event_loop_process_pending_events()

2011-09-27 Thread James Hunt
Please could anyone who can reproduce this problem attach
/var/log/boot.log (which will always exist), ideally along with /var/log
/plymouth-debug.log as suggested by @vorlon.

@brian: I've raised bug 860371 for apport to do this automatically.

Also, it would be interesting to know if the problem only happens at
early boot. If anyone would care to try triggering the problem post-
boot, that might provide us with some useful information:

https://wiki.ubuntu.com/Plymouth#Running_Plymouth_.22post-boot.22

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[Bug 849414] Re: plymouthd crashed with SIGSEGV in ply_event_loop_process_pending_events()

2011-09-27 Thread dino99
@James

cant help myself as i dont get this issue now; but you still get bugs
reported with this problem. The problem is that these bugs are declared
as duplicate, then most of the users cant find back these reports if
they dont know how (using advanced search  uncheck the duplicate
criteria). I think that the master bug report which own the
duplicate might be added to the bug list of the user reporting
duplicate. That way you will get help for your request easierly.

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[Bug 849414] Re: plymouthd crashed with SIGSEGV in ply_event_loop_process_pending_events()

2011-09-27 Thread James Hunt
Looking at ply_event_loop_process_pending_events(), what stands out is
the call to alloca(3) which is used to allocated a fixed size chunk of
storage (and have it automatically freed on function exit). Use of
alloca() is not recommended for a number of reasons. Note too that the
result of the call to alloca() is not checked.

The man page for alloca(3) claims that this function allocates storage
on the stack. However, I think the plymouth build is using gcc's
internal implementation of alloca() which *doesn't* use the stack - it
uses malloc(3) (some levels down). Presumably the reason for using
alloca() was performance, but since the gcc implementation uses
malloc(), that isn't really a gain now. Note that gccs internal
implementation could be inlined (hence wouldn't appear on the stack
trace), and also calls abort() on error (which will generate a SIGSEGV
as is being seen by users).

 I've spun up a modified version of plymouth using a static array (since
there doesn't appear to be any advantage in using dynamic memory
allocation in this case AFAIKS). The updated packages are in my ikb ppa
if anyone is feeling brave:

  https://launchpad.net/~jamesodhunt/+archive/ikb/

If this does fix the problem we still need to understand what is
consuming all the memory. Maybe a bug with the alloca() implementation
in the gcc-4.6?

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[Bug 849414] Re: plymouthd crashed with SIGSEGV in ply_event_loop_process_pending_events()

2011-09-25 Thread frederick
On my Eeepc Asus 1001PX , this crash appens when I disconnect my usb key
while Lubuntu is loading  just after the grub menu. I can launch a
session and after the crash appens immediately !

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Re: [Bug 849414] Re: plymouthd crashed with SIGSEGV in ply_event_loop_process_pending_events()

2011-09-25 Thread Steve Langasek
On Sun, Sep 25, 2011 at 10:21:49PM -, frederick wrote:
 On my Eeepc Asus 1001PX , this crash appens when I disconnect my usb key
 while Lubuntu is loading  just after the grub menu. I can launch a
 session and after the crash appens immediately !

That's very interesting.  A USB key should have no effect on plymouth, which
only cares about video and input devices.  Can you show the output of
'lsusb' when this key is plugged in?  Can you show the dmesg output from
your system that corresponds to the timeframe when you unplugged your key?

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[Bug 849414] Re: plymouthd crashed with SIGSEGV in ply_event_loop_process_pending_events()

2011-09-23 Thread omarly666
straight afte boot - on a fresh install. clicked on wrong iso, 64bit
some hours ago. no wonder it was feeling crappy :) 100+ updates coming
in

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[Bug 849414] Re: plymouthd crashed with SIGSEGV in ply_event_loop_process_pending_events()

2011-09-22 Thread Steve Langasek
** Changed in: plymouth (Ubuntu)
   Importance: Medium = High

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[Bug 849414] Re: plymouthd crashed with SIGSEGV in ply_event_loop_process_pending_events()

2011-09-20 Thread Apport retracing service
** Tags added: bugpattern-needed

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[Bug 849414] Re: plymouthd crashed with SIGSEGV in ply_event_loop_process_pending_events()

2011-09-20 Thread dino99
since a few days i does not get this crash now

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[Bug 849414] Re: plymouthd crashed with SIGSEGV in ply_event_loop_process_pending_events()

2011-09-20 Thread Brian Murray
Video cards appearing in this bug and its duplicates:

bug-849414/Lspci.txt:00:02.0 VGA compatible controller [0300]: Intel 
Corporation Mobile 915GM/GMS/910GML Express Graphics Controller [8086:2592] 
(rev 03) (prog-if 00 [VGA controller])
bug-850951/Lspci.txt:01:00.0 VGA compatible controller [0300]: ATI Technologies 
Inc Manhattan [Mobility Radeon HD 5400 Series] [1002:68e0] (prog-if 00 [VGA 
controller])
bug-850952/Lspci.txt:01:00.0 VGA compatible controller [0300]: ATI Technologies 
Inc Manhattan [Mobility Radeon HD 5400 Series] [1002:68e0] (prog-if 00 [VGA 
controller])
bug-851082/Lspci.txt:00:02.0 VGA compatible controller [0300]: Intel 
Corporation 82G33/G31 Express Integrated Graphics Controller [8086:29c2] (rev 
10) (prog-if 00 [VGA controller])
bug-851468/Lspci.txt:00:02.0 VGA compatible controller [0300]: Intel 
Corporation Mobile 945GM/GMS, 943/940GML Express Integrated Graphics Controller 
[8086:27a2] (rev 03) (prog-if 00 [VGA controller])
bug-851591/Lspci.txt:00:02.0 VGA compatible controller [0300]: Intel 
Corporation 82G33/G31 Express Integrated Graphics Controller [8086:29c2] (rev 
10) (prog-if 00 [VGA controller])
bug-852253/Lspci.txt:00:02.0 VGA compatible controller [0300]: Intel 
Corporation N10 Family Integrated Graphics Controller [8086:a011] (prog-if 00 
[VGA controller])
bug-852327/Lspci.txt:01:00.0 VGA compatible controller [0300]: ATI Technologies 
Inc M76 [Radeon Mobility HD 2600 Series] [1002:9581] (prog-if 00 [VGA 
controller])
bug-852527/Lspci.txt:00:02.0 VGA compatible controller [0300]: Intel 
Corporation Mobile 915GM/GMS/910GML Express Graphics Controller [8086:2592] 
(rev 03) (prog-if 00 [VGA controller])
bug-853059/Lspci.txt:04:00.0 VGA compatible controller [0300]: nVidia 
Corporation GT200 [GeForce GTX 260] [10de:05e2] (rev a1) (prog-if 00 [VGA 
controller])
bug-853097/Lspci.txt:00:02.0 VGA compatible controller [0300]: InnoTek 
Systemberatung GmbH VirtualBox Graphics Adapter [80ee:beef] (prog-if 00 [VGA 
controlle ])
bug-854173/Lspci.txt:00:0f.0 VGA compatible controller [0300]: VMware SVGA II 
Adapter [15ad:0405] (prog-if 00 [VGA controller])
bug-854291/Lspci.txt:04:00.0 VGA compatible controller [0300]: nVidia 
Corporation GT216 [GeForce GT 220] [10de:0a20] (rev a2) (prog-if 00 [VGA 
controller])
bug-854499/Lspci.txt:00:02.0 VGA compatible controller [0300]: Intel 
Corporation N10 Family Integrated Graphics Controller [8086:a011] (prog-if 00 
[VGA controller])
bug-854742/Lspci.txt:01:05.0 VGA compatible controller [0300]: ATI Technologies 
Inc M880G [Mobility Radeon HD 4200] [1002:9712] (prog-if 00 [VGA controller])
bug-854966/Lspci.txt:00:02.0 VGA compatible controller [0300]: Intel 
Corporation Mobile 945GM/GMS, 943/940GML Express Integrated Graphics Controller 
[8086:27a2] (rev 03) (prog-if 00 [VGA controller])

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[Bug 849414] Re: plymouthd crashed with SIGSEGV in ply_event_loop_process_pending_events()

2011-09-20 Thread Steve Langasek
These crash reports are caused by a bug in plymouth, the boot-time
splash screen.  Sometimes the errors are not reported for quite a while
after the crash actually happens.

If someone here is able to reproduce this bug reliably, please do the following:
 - edit /etc/default/grub so that GRUB_CMDLINE_LINUX_DEFAULT is set to quiet 
splash plymouth:debug
 - run sudo update-grub
 - reboot, and when you receive the prompt asking whether to report a crash 
about plymouthd, say yes
 - attach /var/log/plymouth-debug.log to the new bug report


** Changed in: plymouth (Ubuntu)
   Status: Confirmed = Incomplete

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[Bug 849414] Re: plymouthd crashed with SIGSEGV in ply_event_loop_process_pending_events()

2011-09-17 Thread Fitoschido
@Joao: That problem is unrelated to this bug report.

I also got this crash after a cold boot in a Gateway LT20 netbook.

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[Bug 849414] Re: plymouthd crashed with SIGSEGV in ply_event_loop_process_pending_events()

2011-09-17 Thread Corbin Gregson
I had it crash after starting Java, along with a few other processes,
including Java, in 11.10. The crash wasn't related to boot for me, it
seems to have been caused by Java. My system has been up for almost 15
hours.

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[Bug 849414] Re: plymouthd crashed with SIGSEGV in ply_event_loop_process_pending_events()

2011-09-17 Thread Corbin Gregson
What I meant to say was that several processes crashed after I started
Java, including plymouth and Java. Java is still very unstable in
Oneiric, and consistently crashes for me.

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[Bug 849414] Re: plymouthd crashed with SIGSEGV in ply_event_loop_process_pending_events()

2011-09-16 Thread Ian Sharum
Seeing this bug on a Gateway ML6720 laptop. i386. ubuntu 11.10 beta 1.

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[Bug 849414] Re: plymouthd crashed with SIGSEGV in ply_event_loop_process_pending_events()

2011-09-16 Thread João Guilherme Nizer Rahmeier
I'm not able to mount removable drives by USB ports. The message: Não
Foi Possível Montar device name; User not authorized.

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[Bug 849414] Re: plymouthd crashed with SIGSEGV in ply_event_loop_process_pending_events()

2011-09-14 Thread Rachel Greenham
Seeing this with an Asus 1008HA netbook on oneiric beta just-now updated
(thus Intel GMA950) plymouth version 0.8.2-2ubuntu25.

(*not* encountering it on an amd64 machine with nvidia graphics.)

(Also not encountering it on an Acer Aspire One 532h netbook (thus Intel
GMA3150) same plymouth version.)

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[Bug 849414] Re: plymouthd crashed with SIGSEGV in ply_event_loop_process_pending_events()

2011-09-13 Thread Jamie Strandboge
** Visibility changed to: Public

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[Bug 849414] Re: plymouthd crashed with SIGSEGV in ply_event_loop_process_pending_events()

2011-09-13 Thread dino99
Everytime i do a cold boot with Oneiric i386 b1, i get this crash

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