how to find out what it is waiting for
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
Why doing I/O in Linux is uninterruptible?
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
Uninterruptible Power Supply (UPS) Market Report 2026
The main products of uninterruptible power supply (UPS) are online conversion, line-interactive, off-line or standby. An online conversion uninterruptible power
Many open files leading to uninterruptible sleep "D state"
An uninterruptible D state is entered when a disk driver is seeking for some data in the disk and the disk has to be waited for for the process to continue. Normally a process sticking on a D
Why there is a state called ''TASK_UNINTERRUPTIBLE'' in Linux
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
Uninterruptible Power Supply (UPS) Market
Key Takeaways: Uninterruptible Power Supply (UPS) Market Global Uninterruptible Power Supply (UPS) market valued at $12.8 billion in 2025 Expected to reach
Do we need to call set_current_state (TASK
Yes, you must call set_current_state() before calling schedule(), because otherwise the scheduler will not remove the task from the run queue (if you just want to potentially allow other tasks
Uninterruptible Power Supply (UPS) Market Size,
The global uninterruptible power supply (UPS) market size is projected to hit around USD 14.84 billion by 2035 from USD 9.92 billion in 2025
U.S. Uninterruptible Power Supply Market Size, Share
The U.S. uninterruptible power supply market size was valued at
Uninterruptible Power Supply Statistics, Facts And
Conclusion Uninterruptible Power Supply Statistics: UPS has transitioned from being just a backup to an integral part of modern infrastructure.
Uninterruptible Power Supply Market
Uninterruptible Power Supply (UPS) market competition is growing fiercer as
Uninterruptible Power Supply (UPS) Market Research Report 2033
According to our latest research, the global Uninterruptible Power Supply (UPS) market size reached USD 11.8 billion in 2024, reflecting the robust demand for reliable power solutions
Uninterruptible Power Supply (UPS) Market Size & Share Analysis
An Uninterruptible Power System (UPS) is a crucial component of modern infrastructure, providing backup power in case of mains power failure. UPS systems come in various sizes and
How can I put process into "uninterruptible sleep"?
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
Does read/write blocked system call put the process in TASK
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
How to stop ''uninterruptible'' process on Linux?
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
TASK_UNINTERRUPTIBLE and process threads in linux kernel
I have a running process which has created multiple user mode threads. If the kernel changes the state of the process to TASK_UNINTERRUPTIBLE (or TASK_INTERRUPTIBLE) do the