linux-kernel - Re: regression: nfs mount (even idle) eventually hangs server #forregzbot

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Date:   Fri, 17 Feb 2023 13:45:30 +0100
From:   "Linux regression tracking #update (Thorsten Leemhuis)" 
        <regressions@...mhuis.info>
To:     LKML <linux-kernel@...r.kernel.org>
Cc:     "regressions@...ts.linux.dev" <regressions@...ts.linux.dev>
Subject: Re: regression: nfs mount (even idle) eventually hangs server
 #forregzbot

[TLDR: This mail in primarily relevant for Linux kernel regression
tracking. See link in footer if these mails annoy you.]

On 22.12.22 12:19, Thorsten Leemhuis wrote:
> [Note: this mail contains only information for Linux kernel regression
> tracking. Mails like these contain '#forregzbot' in the subject to make
> then easy to spot and filter out. The author also tried to remove most
> or all individuals from the list of recipients to spare them the hassle.]
> 
> On 21.12.22 09:59, Mike Galbraith wrote:
>> scenario: /home/mikeg of desktop box mounted by lappy, lappy sitting
>> idle with user mikeg not even logged in.  Reclaim inducing activity on
>> desktop box eventually leads to spew below.  I've hung the box three
>> times in two days, twice with light client side activity, and below
>> with none, ie with the mount point allegedly merely existing. Sans nfs
>> mount, box seems perfectly fine. 6.1 didn't reproduce either, so it
>> would appear to be a merge window bug.
> 
> Thanks for the report. To be sure below issue doesn't fall through the
> cracks unnoticed, I'm adding it to regzbot, my Linux kernel regression
> tracking bot:
> 
> #regzbot ^introduced v5.19..v6.0
> #regzbot title nfs: mount (even idle) eventually hangs server
> #regzbot ignore-activity

#regzbot fix: f385f7d244134246f984975ed34cd75f77de4
#regzbot ignore-activity

Ciao, Thorsten (wearing his 'the Linux kernel's regression tracker' hat)
--
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