linux-kernel - Re: [PATCH] hung_task: Differentiate between I/O and Lock/Resource waits

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Message-ID: <3b2ap3n6qpimqwgu3zvjlob5jipchglfdyvgj5xn337rlzz6ut@dykb5goxdgeb>
Date: Wed, 28 Jan 2026 14:13:18 -0500
From: Aaron Tomlin <atomlin@...mlin.com>
To: Masami Hiramatsu <mhiramat@...nel.org>
Cc: akpm@...ux-foundation.org, lance.yang@...ux.dev, 
	gregkh@...uxfoundation.org, pmladek@...e.com, joel.granados@...nel.org, neelx@...e.com, 
	sean@...e.io, mproche@...il.com, chjohnst@...il.com, nick.lange@...il.com, 
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] hung_task: Differentiate between I/O and Lock/Resource
 waits

On Wed, Jan 28, 2026 at 05:17:49PM +0900, Masami Hiramatsu wrote:
> If this is only for human readability, I rather like just adding
> "in iowait" at the end. "D" state seems redundant, and "Lock/Resource"
> can mislead. What about something like below?
> 
> 	pr_err("INFO: task %s:%d blocked for more than %ld seconds%s.\n",
> 		..., t->in_iowait ? " in I/O wait" : "");
> 

Hi Masami,

Thank you for your feedback.

I concur. I'll incorporate the suggestion.


Kind regards,
-- 
Aaron Tomlin

Download attachment "signature.asc" of type "application/pgp-signature" (834 bytes)