linux-kernel - Re: [Bisected] [commit dd6c3c544126] [linux-next] [6.8.0-rc2] Task hungs for infinite time call traces

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Message-ID: <ZcEe0q8Bg5zca1nA@slm.duckdns.org>
Date: Mon, 5 Feb 2024 07:45:54 -1000
From: Tejun Heo <tj@...nel.org>
To: Tasmiya Nalatwad <tasmiya@...ux.vnet.ibm.com>
Cc: "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-block@...r.kernel.org" <linux-block@...r.kernel.org>,
	"linux-next@...r.kernel.org" <linux-next@...r.kernel.org>,
	"linuxppc-dev@...ts.ozlabs.org" <linuxppc-dev@...ts.ozlabs.org>,
	jiangshanlai@...il.com,
	"abdhalee@...ux.vnet.ibm.com" <abdhalee@...ux.vnet.ibm.com>,
	"mputtash@...ux.vnet.com" <mputtash@...ux.vnet.com>,
	"sachinp@...ux.vnet.com" <sachinp@...ux.vnet.com>,
	linux-arm-kernel@...ts.infradead.org, linux-arm-msm@...r.kernel.org
Subject: Re: [Bisected] [commit dd6c3c544126] [linux-next] [6.8.0-rc2] Task
 hungs for infinite time call traces

Hello,

On Mon, Feb 05, 2024 at 03:24:17PM +0530, Tasmiya Nalatwad wrote:
> Greetings,
> 
> [Linux-next] [6.8.0-rc2-next-20240130] [FC / XFS] Task hangs for infinite
> time while running bonnie test XFS filesystem
> 
> Bisected the issue. Git bisect points to the below commit
> commit dd6c3c5441263723305a9c52c5ccc899a4653000
>           workqueue: Move pwq_dec_nr_in_flight() to the end of work item
> handling

This should be fixed by c70e1779b73a ("Fix pwq->nr_in_flight corruption in
try_to_grab_pending()").

Thanks.

-- 
tejun