1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
|
<think>
Okay, so I'm looking at this bug report where Firebird crashes on qemu-m68k-user with a pthread_mutex_init error. Let me try to break this down.
First, the user is trying to install Firebird 3.0 server on a Debian chroot using qemu-m68k-user. The installation process fails when configuring firebird3.0-server, and they get an error about a mutex issue with pthread_mutex_init returning status 95. Also, there's a mention of the system aborting due to a target signal 6 (Aborted).
I know thatpthread_mutex_init is part of the POSIX threads library, which is used for multithreading in applications. A status code of 95 corresponds to EBUSY in Linux systems, meaning the resource is busy or already locked.
Now, considering that this is happening within a qemu user-mode emulation (qemu-m68k-user), it's likely related to how the emulator handles system calls or thread management in user space. The error occurs during the post-installation script for Firebird, which probably tries to set up some configuration files or databases.
So, thinking about whether this is a user-mode or system-mode issue: User-mode emulation deals with running applications and translating their system calls, while system-mode deals with emulating an entire OS, including hardware. Since the problem occurs in the Firebird server setup, which runs as a user application under qemu-m68k-user, it's more likely related to how user-space threading is handled by the emulator.
Possible causes could be issues with the pthread implementation in the emulation layer or incorrect handling of mutex initialization. Maybe there are bugs in how qemu translates certain syscalls for m68k architecture when dealing with threads.
I don't see any references to hardware devices or kernel-level operations here, which points more towards a user-mode problem rather than system-mode issues like device drivers or OS interactions.
</think>
The issue is occurring within the Firebird server application during its setup under user-mode emulation. The error relates to thread management in user space.
user
|