General :: Cause Segfaults While Compiling, If The Ram Seems To Be Fine?

Jul 22, 2011

I googled around but most of what I could find said that segfaults are generally a memory issue. I've noticed lately that I'll occasionally get a segfault while compiling on my computer. There's no noticeable pattern, just that every now and then a bit of software that I'm trying to compile will segfault on me, even software that I've compiled in the past.

I ran memtest86+, but it showed no issues at all. I run a stock kernel on Slackware, with no modifications to the system other than installing multilib support (which I'm 100% sure is done correctly).

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General :: Segfaults Are Not Logging Into /var/log/messages

Dec 8, 2010

I'm using Red Hat Enterprise Linux Server release 5. In this whenever a user process crashes due to segmentaion faults , it was not logged in /var/log/messages. Even dmesg is also not showing any messages related to this.

Where as in another distributions(Cent OS 5) I've seen segfaults messages in /var/log/messages whenever my user process crashed.dmesg also showing the segfaults.

Is there any settings that to enabled so that it logs segfaults into /var/log/messages.

I cross checked /etc/syslog.conf of both the systems. Both are same and even /etc/sysconfig/syslog files.

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General :: App Segfaults Every LiveCD/DVD Kernel Panics?

Jan 23, 2011

My friend's PC recently started acting up. He had me install Sabayon on it and everything was fine until a few days ago. Every app I try to run after the PC boots results in a segmentation fault. I figured maybe something was wrong with the HDD, so I tried to boot from a DSL liveCD to run fsck, but it wouldn't boot; it freezes right away. I then tried the Sabayon LiveDVD and got a kernel panic.Does anyone have any idea what the problem could be? I am completely clueless; I've never had anything like this happen before.

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Ubuntu :: MPD Segfaults Is Not Working?

Apr 28, 2010

So MPD keeps segfaulting everytime it tries to play anything.I tried compiling a version from the MPD site, but that couldn't even see my music for some reason. Same user running MPD, same permissions on the files... I'd really like to get MPD working again, but it keeps segfaulting with this:

Code: nas kernel: [161048.253573] mpd[22957] general protection ip:b6efc1b5 sp:b53e1850 error:0 in libavcodec.so.52.20.1[b6ab4000+52b000]

I wiped my server recently because of all the custom stuff I had installed, and now MPD won't play music .

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Ubuntu :: GDM Segfaults A Lot After Update?

May 26, 2010

This just started today, after I installed a round of updates yesterday: I would attempt to login to my GNOME session. One of three things happens: it hangs, looking like it's authenticating, it lets me into my session but then abruptly logs me out and wrecks anything I was doing, or GDM just crashes altogether.

On tty6, I found this error in dmesg:

Code:
gdm-session-wor[1392]: segfault at 1 ip 0000000000000001 sp 00007fff57babe18 error 14 in gdm-session-worker[400000 + 17000]

The numbers may be slightly off, I had no way to copy and paste the error. I have no modifications to GDM except libpam-usb, which doesn't even work. Is it possible to roll back GDM to before the update?

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Ubuntu :: Various Segfaults And/or Crashes ?

Jul 23, 2011

I have some curious errors and crashes since yesterday. Firefox crashes without saying anything or just freezes. Thunderbird also crashed once without any reason, as far as I could discern.

Compiz is another candidate. Either it segfaults and sends me back to the GDM login screen or it crashes in another way, resulting in a flickering window with an unreadable error message (just an empty window with the nautilus icon in the menu bar, background image stays the same, Unity or any other compiz things are gone). I even had some real X segfaults mixed in.

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Debian :: Segfaults After Upgrading The Cpu

May 22, 2010

Would upgrading your cpu ( athlon xp 1700+ to 2600 or 3200 ) be something that causes segfaults ?

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General :: X Runs Fine, But Three Fatal Errors?

Feb 10, 2011

I just installed Arch (x86_64). I am trying to setup Xorg. I have not installed a DE or WM yet, I just want to make sure Xorg is 100% first.

I had to edit the xorg.conf myself to direct it to my Intel graphics driver, but now it seems to work perfectly.

Except after exiting X, my terminal reads:

Code:
xinit: connection to X server lost

waiting for X server to shut down xterm: fatal IO error 11 (Resource temporarily unavailable) or KillClient on X server ":0"
XIO: fatal IO error 4 (Interrupted system call) on X server ":0"
after 1011 requests (1011 known processed) with 3 events remaining.
xterm: fatal IO error 104 (Connection reset by peer) or KillClient on X server ":0"
I'm pretty new to Linux and have no idea what this means! But I'm assuming it's not normal, because it says 'error'.

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Fedora Servers :: Random Segfaults In The F10?

Mar 31, 2009

I have a new IBM x3650 that I am trying to get installed and running. However, it seems to experience random segfaulting. The system has ECC RAM and I have taken a look at the EDAC reports from the kernel, but as far as I can tell there is no error.This is a critical system I need to bring up, so I can't have it act flaky like this. Software is up to date. [URL]

Example output:

Code:

__ratelimit: 1 callbacks suppressed
ld-linux-x86-64[7676]: segfault at b33000 ip 00000000003b557b sp 00007fff13789c18 error 6 in ld-2.9.so[39d000+20000]
ld-linux-x86-64[7699]: segfault at 62ddbb ip 000000000062ddbb sp 00007ffffa0ab520 error 15 in toc2cddb[62c000+9000]
ld-linux-x86-64[7939]: segfault at 161004011d5 ip 00000000001ea1f0 sp 00007fff1eeb14f0 error 4 in ld-2.9.so[1e2000+20000]

[code]....

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Ubuntu :: Frequent Segfaults In Various Programs

May 31, 2010

In LMMS, pretty much any time where pressing a key or button is supposed to do something, it can crash. Regardless of what made it crash, it always dies in the exact same way: The window just disappears, and I get the line "Segmentation fault" in the console. Usually it crashes within 15 minutes of normal use. Not even 6 hours after I downloaded the program, I had given up trying to use it. Over the next week, a couple other programs crashed with segfaults.

Most of them only crashed once (among those was Firefox). So, of course, I'm now beginning to think that maybe the problem is not with LMMS, but rather with Ubuntu. I've had very little luck getting most of these programs to crash a second time, but I did find reliable ways to reproduce the crash in LMMS and Golly, so I got debug logs of those (with backtraces and steps I took to reproduce):

Code:
What I did to make LMMS Crash:
1. After starting LMMS, created an instrument track using the Oh Synth preset (under LB302)
2. Opened the tool window for the track.
3. Dragged my cursor back and forth across the keys on the virtual piano at the bottom of said window to play them.
4. Within 3 seconds, it crashed.

Starting program: /usr/bin/lmms
[Thread debugging using libthread_db enabled]
[New Thread 0xb7d62b70 (LWP 4674)]
[New Thread 0xb2c18b70 (LWP 4677)]
[New Thread 0xb2417b70 (LWP 4678)]
[New Thread 0xb195ab70 (LWP 4680)]
[New Thread 0xb1159b70 (LWP 4681)] .....

Code:
What I Did to make Golly Crash:
1. After starting Golly, loaded the example file "Still-Lifes/eaters.rle".
2. Alternated between Space (Next Generation) and Ctrl+Z (Undo), holding each for about 1 second.
3. Within 15 seconds, it crashed.

Starting program: /usr/games/golly
[Thread debugging using libthread_db enabled]

Program received signal SIGSEGV, Segmentation fault.
0x080fd47c in UndoRedo::RememberGenFinish() ()
#0 0x080fd47c in UndoRedo::RememberGenFinish() ()
#1 0x080f855c in MainFrame::NextGeneration(bool) ()
#2 0x081124f5 in MainFrame::OnMenu(wxCommandEvent&) ()
#3 0x00621a9f in wxAppConsole::HandleEvent(wxEvtHandler*, void (wxEvtHandler::*)(wxEvent&), wxEvent&) const () from /usr/lib/libwx_baseu-2.8.so.0
#4 0x006c0379 in wxEvtHandler::ProcessEventIfMatches(wxEventTableEntryBase const&, wxEvtHandler*, wxEvent&) () from /usr/lib/libwx_baseu-2.8.so.0 .....

I've tried using different governors for CPU (Conservative, Ondemand, etc.), and these crashes continued to occur. I also tried using a different kernel to no avail; the crashes occur both on 2.6.32-21-generic and 2.6.31-17-generic. How to fix whatever's causing these segfaults.

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Ubuntu :: 10.10: Rhythmbox Segfaults Upon Launch

Nov 2, 2010

Running Maverick Meerkat fairly close to original specs. When launching Rhythmbox from either the command line or the applications menu, the window appears briefly and closes whether or not I interact with it. During its time open (~3sec), it gives no indication that it recognizes input, i.e. menus do not open and buttons do not depress when clicked.

While running from the terminal, the following output is displayed.

Code:

(rhythmbox:2068): GLib-GObject-CRITICAL **: g_object_unref: assertion `G_IS_OBJECT (object)' failed
** Message: pygobject_register_sinkfunc is deprecated (GstObject)
** (rhythmbox:2068): DEBUG: SyncDaemon already running, initializing SyncdaemonDaemon object

[code]....

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Ubuntu :: Segfaults After Processor Upgrade?

Dec 3, 2010

I upgraded my processor two days ago(p4 -> C2D), and ever since then I have been getting segfaults, which are causing my programs to crash randomly. At first I thought it was isolated to one program(deluge), but after searching around I was looking at the /var/log/messages and found a bunch of segfault messages after I installaed the processor. Here is the grep from the messages file:

Code:
Nov 29 12:35:03 Thor kernel: [66065.114231] npviewer.bin[14952]: segfault at 0 ip 00000000f6232ed1 sp 00000000ffe9e6d0 error 4 in libflashplayer.so[f5e93000+b2e000]
Nov 29 12:41:23 Thor kernel: [66445.260799] npviewer.bin[15324]: segfault at 418 ip 00000000f60ddc86 sp 00000000ffb4b928 error 6 in libflashplayer.so[f5e8e000+b2e000]

[Code]...

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Software :: Apache Segfaults - Php And Do_bind_function?

Nov 29, 2010

I'm having a slight issue with apache segfaulting reasonably regularly. I've followed through the apache http debugging guide here:[URL] and receive this when running gdb:

Code:
[root@ukserv1 apache2-dump]# gdb /usr/sbin/httpd core.1085
GNU gdb (GDB) Red Hat Enterprise Linux (7.0.1-23.el5_5.2)

[code]....

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Slackware :: Ash Segfaults On Second Backspace 64-current?

Feb 4, 2010

I've found what seems to be a reproducible problem with 'ash' on slackware64-current (updates to and including Jan 31st)

Open a console
ash <enter>

type 2 or more characters, doesn't matter what.

press backspace
press backspace
**seg fault**

occurs under xterm, konsole, gnome-terminal in both kde4 and xfce and on a virtual console.

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Slackware :: Firefox-3.5.2 Segfaults - ATI Video ?

May 16, 2010

New install slackware64 13.0. Sites that cause it to segfault are simple ones - gmail (2 seconds after I get past the sign in stage, and before I even open any email. This one also
www.channel4.com/programmes/4od.

I have done the obvious stuff - checking for missing libs with ldd, finding them, etc. Disks are 1-2 years old (ext3) and well checked, but this install has not been lived in yet. Plugins installed are: java 1.6.0_16; Flash 10.0 r45; SVG-2.26. Kernel is 2.6.33.2, made with 'make oldconfig from a very satisfactory 2.6.30.5 kernel which was faultless for some time.

The box is all-amd/ati HP6715S, with RS690 video and northbridge, sb600 southbridge. and a twin turion 2 Ghz. It is using the recent OSS xf86-video-ati drivers. The only strange Mozilla error was between 4th and 5th crash this session when it said "Input/Output Error". Otherwise the error shows as line 131 of run-mozilla.sh - the 'finally start the binary' routine.

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OpenSUSE Install :: Closing Yast Something Segfaults?

May 18, 2010

When I am closing yast, from time to time I get this error. Although something segfaults the system seems to behave normally and I do not experience other issues it seams. The error comes up in a small separate window. Yast stays operative. Should I be worried about something? What is the system complaining about actually? Although this happens quite often, it does not happen always.

System is: 11.1 with Linux linux-xu0v 2.6.27.45-0.1-default #1 SMP 2010-02-22 16:49:47 +0100 x86_64 x86_64 x86_64 GNU/Linux and KDE 3.5.10 (r87) Yast: 2.17.69-0.1.1-x86_64
kdeinit4: preparing to launch /usr/lib64/libkdeinit4_klauncher.so
kdeinit4: preparing to launch /usr/lib64/libkdeinit4_kded4.so
kdeinit4: preparing to launch /usr/lib64/libkdeinit4_kbuildsycoca4.so
kbuildsycoca4 running.

[Code]...

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Ubuntu Networking :: Get Segfaults In Sshd When Trying To Connect

Jan 6, 2010

I've started to get segfaults in sshd when trying to connect. There has been no reboot and (until I restarted the sshd to try to fix the problem) there was still another ssh session connected.

The log messages:

Code:
==> kern.log <==
Jan 6 21:33:38 shuttle kernel: [ 1928.611128] sshd[9548]: segfault at bf30e534 eip b7f51b4c esp bf30e510 error 6
==> auth.log <==

[Code]....

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Ubuntu :: XeTeX Segfaults With Custom Fonts

Mar 7, 2011

I installed the Adobe Font Forge fonts. They're all OpenType fonts and reside in ~/.fonts. Since around the time when I was fiddling with them, XeTeX started segfaulting whenever I used one of them. Any other font works fine. The strange thing is that I had one font already in ~/.fonts before I installed all of the new ones, which did work fine, but which now causes a segfault. The LaTeX file looks like this:

[Code]...

end{document} When I run xelatex test.tex, it segfaults and produces the log file I've attached to this post (renamed to test.txt from test.log). But, when I run xelatex with the -no-pdf switch, it produces a file test.xdv without complaining. When I then run xdvipdfmx -vv test.xdv, it segfaults and outputs to stdout what I've attached as a file error.txt. I suspect it might have something to do with system font settings that may have been changed by Fontmatrix while I was browsing my fonts, perhaps doing something that I didn't understand and messed things up. But I don't know which settings/config files/etc that may have been affected.

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CentOS 5 Server :: Apache Segfaults When Php Is Enabled?

Oct 23, 2009

The nagios admin interface apparently needs php (although, of course, the howto mentions nothing of the sort). So then, I copied the php.conf that had at some time been installed on the system, and then moved by me out of /etc/httpd/conf.d, back into conf.d. It's a fairly simple one:

#
# PHP is an HTML-embedded scripting language which attempts to make it
# easy for developers to write dynamically generated webpages.
#
LoadModule php5_module modules/libphp5.so

[Code]....

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General :: Bash Prompt / Looks Fine Initially, But There Seems To Be A Hidden Error?

Jun 1, 2011

I've written custom prompts for several boxes but this one has an error I just can't identify and need a second set of eyes to help solve it.

I've set the following as my prompt: PS1="[e[30;42m]u@h[e[0m][e[30;47m] #][e[0m][e[32;1;40m]w>[e[0m] "
(hostname/un obscured & image enlarged slightly to make it easier to read.)

Everything looks fine initially as you can see here:url

1- It sets the username@host in back on green text.
2- It then changes to an off-white an prints the command number for the terminal.
3- Next, changes to a green on black font and prints the working directory.
4- Finally is prints a ">" character and a space.

The problem occurs when I try to "up arrow" to reuse and/or edit a prior command. It prints the prior command fine, but if I arrow over to edit the command sometimes the first character can not be deleted from displaying as you can see in the following composite screen-shot

url

Here I did a simple ps and piped it through grep. After getting the output, I up-arrow to repeat the command. As you can see by the second section the cursor only goes back to the "s" in ps. The "p" can not be deleted. Hitting enter just displays a new line, so the "p" was just a ghost being displayed and not really there.

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General :: Websites Don't Display Properly In Linux / But Fine In Windows

Mar 16, 2010

I tried troubleshooting this on the Ubuntu forums, but my thread went nowhere, so here I am! I'm REALLY hoping someone can help, because this is immensely frustrating.I just moved to a new house, with a new ISP. All of a sudden, all the machines running Ubuntu (there are 4 of them on my network) are having trouble rendering websites properly. Some websites are perfectly fine; some render with things missing (e.g., no photos or no CSS); some render as text-only; and some won't display at all - I get a "server not found" error.If I boot into Windows on any of these machines, there's no problem.To complicate matters more: Sometimes the "server not found" sites will decide to connect, then they'll fail again. This has been changing day to day (sometimes even hour to hour). Anything within the google.com domain is a good example of this.Two of the affected machines are desktops (one running headless as a server), and two are laptops. All four are running Ubuntu, but they're all running different kernels. The ONLY things these machines have in common is that they're running Ubuntu, and they're all connecting to the internet wirelessly.

Because things work properly in Windows without exception, and because (at least on the laptops) things work fine in Ubuntu on any other internet connection, I can rule out wireless network adapters. I have tried using two different wireless routers - no change. I have tried using 4 different web browsers - no change. I have tried plugging a laptop directly into the incoming connection, bypassing the router entirely - no change. I have tried purging and reinstalling Flash on one of the laptops - no change. I have tried to connect to affected websites using their IP addresses to rule out DNS issues - no change.This one has me completely stumped. The only thing I can think is that this is something to do with my ISP, but I can't imagine what it would be. I called the guy who runs the ISP (it's a local outfit run by one or two guys, as I'm living in the middle of nowhere), and he said there's nothing he's aware of at the ISP level that would be causing a problem like this.

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General :: Start Debian It Runs Fine Until It Gets To The DHCP Part?

Feb 9, 2010

Whenever I start debian it runs fine until it gets to the DHCP part.It completley stops and spends like three minutes with stuff like

Code:
DHCP Request on port 57 interval 4
DHCP Request on port 57 interval 14

[code]....

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General :: Wireless Works Fine In LXDE But Not Icewm Or Openbox?

Jan 15, 2011

I have an older laptop (P4 Compaq Presario 2110; 512mb RAM) on which I installed Lubuntu 10.10. I am using a Buffalo wireless G PCMCIA card (Broadcom 43xx chip set) on the LXDE side which works perfectly. Out of curiosity I installed 'icewm' and 'openbox.' My wireless card shows when I check lspci as "UP." Using wicd, I can see networks, but my router will not resolve an IP address. NetworkManager does nothing.

I have tried using both ifconfig and iwconfig commands with no love.

Is this something inherent with lighter WMs and desktops? Is there a means to allow my router assign an IP and why would it be different for a different WM? Should the IP address be assigned to the computer?

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General :: Rt2500 Working Fine For Some Seconds And Later Hangs The Machine

Mar 28, 2011

I have an old averatec machine (3200 series) Slackware 12.2 is working fine out of the box (13.1 is not even booting after installing, so i decided not to work in this direction) except for the wireless. the wireless is working some seconds after putting the interface up, later stops working, and if you mess around a little with the interface, the computer will hang (caps and num lock will flash and thats all) I tried diffferents kdrivers (right now i downloaded the latest linuxwireless and im using those drivers) same situation. was working fine with kernel 2.24 and old drivers (the iface wass called ra0, right now is wlan0) I know this is not much information, but i will try to get another pc to make a ssh and beeing able to get some traces.

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General :: Web Access Fine - YaST2 Very Slow - Updates Keep Failing

Sep 22, 2010

I have freshly installed OpenSuse 11.3 and it's ok, but online updates is very slow and keeps failing.

Here is my hw spec:

lspci:

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OpenSUSE Install :: Sshd Segfaults During Pam Auth After Upgrade From 11.1 To 11.3?

Oct 6, 2010

I'm testing upgrading from 11.1 to 11.3 and running into a major roadblock. When I try to ssh to the server after upgrading, I am unable to use password or pubkey auth to connect via ssh with my ldap user due to sshd segfault. I can however connect via pubkey to a local account on the system. Both auth methods work (for local users) when I disable UsePAM in sshd_config, but auth via ldap is required. My configuration works fine on fully patched installs of both 11.1 and 11.3, but not a fully patched 11.1 upgraded to 11.3. I've been at this for a while now trying various things but don't seem to be making much progress..

/var/log/messages:

Code:

Oct 6 20:33:15 susetest kernel: [ 1829.251921] sshd[3602]: segfault at 7f4bb0521240 ip 00007f4bb0509354 sp 00007fffdf212850 error 7 in libcrypto.so.1.0.0[7f4bb0449000+188000]/usr/sbin/sshd -ddd:

Code:

debug2: load_server_config: filename /etc/ssh/sshd_config
debug2: load_server_config: done config len = 431
debug2: parse_server_config: config /etc/ssh/sshd_config len 431

[code]....

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Ubuntu Servers :: Apache Segfaults Causes Memory Leak?

Jun 12, 2011

I'm having some strange issues with apache. Time by time it segfaults, eats all available memory (including swap) and makes server non responding.Ubuntu Server 10.04.2 LTS

Some strange logs:
Jun 12 12:00:18 *** kernel: [40767.969443] apache2[7635]: segfault at 726f7272 ip 00007f13a31f3f16 sp 00007fff6f740ea0 error 4 in libapr-1.so.0.3.8[7f13a31d7000+35000]

[code]....

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Server :: Apache Segfaults After Months Of Running On Ubuntu?

May 13, 2011

OS: Ubuntu Server x64 10.04 Apache: 2.2.14-5ubuntu8.4 I have a virtual server which has been running for months with no problems then one day I saw that it crashed and I had to power cycle it. Since then I have been unable to start Apache as it segfaults no matter options I give it. Before I try to reinstall Apache, why is this segfaulting?

Code:
execve("/usr/sbin/apache2", ["/usr/sbin/apache2"], [/* 21 vars */]) = 0
brk(0) = 0x7f9f48f8d000
access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or directory)
mmap(NULL, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9f47e0d000
access("/etc/ld.so.preload", R_OK) = -1 ENOENT (No such file or directory)
open("/etc/ld.so.cache", O_RDONLY) = 3

[Code]...

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Slackware :: Lensfun-0.2.5 Causing Segfaults In Digikam And Ufraw?

Jan 2, 2011

Running slackware-current 32bit. I use digikam-1.7.0, kipi-plugins-1.7.0, and ufraw-0.17 which are all built using the sbo scripts from 13.1 repo. All the above work fine with lensfun-0.2.3 built from sbo, but trying to update lensfun to 0.2.5 causes segfaults in digiKam and ufraw.

Anyone else seen this and is there a fix? Seems to be caused by a change in lensfun between versions, but I think it's beyond me to sort on my own. Lensfun-0.2.5 seems to build fine without errors, but I believe there were warnings with respect to makedep. Digikam and ufraw locate the lensfun libraries during the build. Ufraw segfaults on startup and digikam segfaults when the auto lens correction tool is selected from the menu. I know none of these versions are officially supported either alone or in -current,

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Slackware :: Mencoder Segfaults When Converting X264 MKVs?

Jul 3, 2011

The version of mencoder I currently have installed segfaults (immediately) when you ask it to convert x264-encoded MKVs to another format. One sample command-line would be:

Code:
mencoder -nosound -ovc libdv Puella_Magi_Madoka_Magica_720p_GG_-_06.mkv -o a.avi
This produces the following output:
Code:
MEncoder 20110702-4.5.2 (C) 2000-2011 MPlayer Team
success: format: 0 data: 0x0 - 0x1c43987e
libavformat file format detected.

[Code]...

Incidentally, I'm wondering if the version of FFMpeg that the MPlayer configure script downloads might be at fault. The slightly outdated FFMpeg I installed from SBo (6.1) does not crash when converting the same file. And no, I can't use either Alien Bob's Mplayer build or the MPlayer binaries included with Slackware. Neither is built against either libdv or x264. I need libdv as an output codec.

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