An uninterruptible process is a process which happens to be in a system call (kernel function) that cannot be interrupted by a signal. To understand what that means, you need to understand the …

Dec 10, 2024 · As you could read from that answer, setting the current process state to TASK_UNINTERRUPTIBLE is needed for make schedule() call, performed by that thread, to put the …

I have a VirtualBox process hanging around which I tried to kill (KILL/ABORT) but without success. The parent pid is 1 (init). top shows the process as D which is documented as "uninterruptible sl...

Mar 14, 2016 · When looking at the process with "ps ax" the stat column is "Dl" which means "uninterruptible sleep (usually IO)". Is it possible to find out more details on what the process is …

Sep 25, 2009 · A process performing I/O will be put in D state (uninterruptable sleep), which frees the CPU until there is a hardware interrupt which tells the CPU to return to executing the program. See …

I'm noticed that process that dumping a core is in uninterruptible sleep, so it can't be killed with SIGKILL, but when I'm trying to emulate this behavior using pipe commands that receives coredump I can …

Sep 15, 2012 · Is there any way to make a program that cannot be interrupted (an uninterrupted program)? By that, I mean a process that can't be terminated by any signal, kill command, or any …

Dec 10, 2023 · Uninterruptible Sleep usually caused by I/O, sometime it's caused by I/O trashing because of low memory. Only by looking your perfetto trace can figure it out.

May 15, 2019 · The Uninterruptible state is mostly used by device drivers waiting for disk or network I/O. When the process is sleeping uninterruptibly, signals accumulated during the sleep are noticed when …

Jan 27, 2013 · In short, making I/O uninterruptible is for the purpose of making the I/O task finish ASAP, without being interfered by signals. Some related knowledge that I gained from the book: The word …