linux-kernel - Re: [REGRESSION] ioprio performance hangs, bisected

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 for Android: free password hash cracker in your pocket

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

Message-ID: <3a051f26.3be2.1937e0398a5.Coremail.00107082@163.com>
Date: Sun, 1 Dec 2024 00:59:45 +0800 (CST)
From: "David Wang" <00107082@....com>
To: "Jens Axboe" <axboe@...nel.dk>
Cc: chris.bainbridge@...il.com, bvanassche@....org, hch@....de, 
	linux-block@...r.kernel.org, linux-kernel@...r.kernel.org, 
	regressions@...ts.linux.dev, semen.protsenko@...aro.org
Subject: Re: [REGRESSION] ioprio performance hangs, bisected


At 2024-12-01 00:00:20, "Jens Axboe" <axboe@...nel.dk> wrote:
>On 11/29/24 11:09 PM, David Wang wrote:
>> Would fix/revert reach 6.13-rc1? I think this regression has
>> significant nagative impact on daily usage. From time to time,
>> my system would *stuck* for seconds, sometimes even when
>>  just `cat` some small file it would take seconds, and once,
>> my desktop failed to resume from a suspend, I had to power cycle the system;
>> Polling /proc/diskstats,  I noticed Block-IO read latency,
>> delta(# of milliseconds spent reading)/delta(# of reads completed),
>> is very high, ~200ms average, and frequently reaches 10s.
>>  (Strangely block-io write latency seems normal.)
>> My bisect also land on this commit, revert or apply this patch would
>> fix it.
>> 
>> Kind of think that 6.13-rc1 would be very unpleseant to use without
>> a fix/revert for this.
>
>The pull including this fix has been sent off to Linus yesterday,
>it should make -rc1.
>
>-- 
>Jens Axboe

Good to know~

Thanks
David