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Bug#869874: [libreoffice]



On Fri, Jul 28, 2017 at 12:51:40PM +0100, Antonio Marcos López Alonso wrote:
> Package: libreoffice
> Version: 1:5.3.5~rc1-3
> 
> Attaching "glxinfo" and backtrace, just in case. No NVIDIA involved.

Good, you didn't mention a X Error printed on the console. Anyways,
so it's NOT this bug since the originl reporter confirmed using nouveau
insted of nvidia fixes this bug.

(And thus this bug will be basically done nothing on, except mayne asking
upstream and/or reassigning and/or forcing OpenGL off.)

File a new bug for your bug, please.
{ reading the gdbtrace }
Ah, now, don't:

Thread 1 "soffice.bin" received signal SIGSEGV, Segmentation fault.
0xa931cf95 in _expand_stack_to(unsigned char*) () from /usr/lib/jvm/java-8-openjdk-i386/jre/lib/i386/server/libjvm.so
#0  0xa931cf95 in _expand_stack_to(unsigned char*) () from /usr/lib/jvm/java-8-openjdk-i386/jre/lib/i386/server/libjvm.so
#1  0xa931f7a4 in os::Linux::manually_expand_stack(JavaThread*, unsigned char*) () from /usr/lib/jvm/java-8-openjdk-i386/jre/lib/i386/server/libjvm.so
#2  0xa9329ce8 in os::create_main_thread(JavaThread*) () from /usr/lib/jvm/java-8-openjdk-i386/jre/lib/i386/server/libjvm.so
#3  0xa946c69e in Threads::create_vm(JavaVMInitArgs*, bool*) () from /usr/lib/jvm/java-8-openjdk-i386/jre/lib/i386/server/libjvm.so
#4  0xa9117f45 in JNI_CreateJavaVM () from /usr/lib/jvm/java-8-openjdk-i386/jre/lib/i386/server/libjvm.so
#5  0xb22c49a1 in ?? () from /usr/lib/libreoffice/program/libjvmfwklo.so
#6  0xb22d6bf4 in jfw_startVM(JavaInfo const*, JavaVMOption*, long, JavaVM_**, JNIEnv_**) () from /usr/lib/libreoffice/program/libjvmfwklo.so

This is the known Kernel stack class regression on i386. Wouldn't have happened on amd64.

FYI:
https://lwn.net/Articles/727206/                                                                                                                                        
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=865303                                                                                                                
and "friends" merged to it.                                                                                                                                             
https://lwn.net/Articles/727703/ (ttbomk unforunately subscriber-only by now.)

> --- System information. ---
> Architecture: 
> Kernel:       Linux 4.11.0-1-amd64

Since reportbug-ng failed to report Architecture: I assumed amd64 given the kernel,
but obviously not.

This is  clear case of why "I report a me, too to a random bug which might
have appeared the same tim as mine but the symptoms are clearly different" is BAD.
Now it "clobbers" that bug log. :(

Regards,

Rene


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