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Mon, 29 Apr 2024 07:07:39 +0300 (MSK) Date: Mon, 29 Apr 2024 07:07:39 +0300 (MSK) From: =?utf-8?B?0JzQuNGF0LDQuNC7INCd0L7QstC+0YHQtdC70L7Qsg==?= To: Matthew Wilcox Cc: riel@surriel.com, mgorman@techsingularity.net, peterz@infradead.org, mingo@kernel.org, akpm@linux-foundation.org, stable@vger.kernel.org, sashal@kernel.org, =?utf-8?B?0JHQtdGC0YXQtdGAINCQ0LvQtdC60YHQsNC90LTRgA==?= , i gaptrakhmanov Message-ID: <134159708.2271149.1714363659210.JavaMail.zimbra@rosalinux.ru> In-Reply-To: References: <1c978cf1-2934-4e66-e4b3-e81b04cb3571@rosalinux.ru> Subject: Re: Serious regression on 6.1.x-stable caused by "bounds: support non-power-of-two CONFIG_NR_CPUS" Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable X-Mailer: Zimbra 8.8.12_GA_3803 (ZimbraWebClient - GC122 (Linux)/8.8.12_GA_3794) Thread-Topic: Serious regression on 6.1.x-stable caused by "bounds: support non-power-of-two CONFIG_NR_CPUS" Thread-Index: EYn4uAsdPHMuy5xc0am+u86zmX4xhg== (Resending in plain text, sorry for accodently sending in HTML) ----- =D0=98=D1=81=D1=85=D0=BE=D0=B4=D0=BD=D0=BE=D0=B5 =D1=81=D0=BE=D0=BE= =D0=B1=D1=89=D0=B5=D0=BD=D0=B8=D0=B5 ----- > =D0=9E=D1=82: "Matthew Wilcox" > =D0=9A=D0=BE=D0=BC=D1=83: "=D0=9C=D0=B8=D1=85=D0=B0=D0=B8=D0=BB =D0=9D=D0= =BE=D0=B2=D0=BE=D1=81=D0=B5=D0=BB=D0=BE=D0=B2" > =D0=9A=D0=BE=D0=BF=D0=B8=D1=8F: riel@surriel.com, mgorman@techsingularity= .net, peterz@infradead.org, mingo@kernel.org, akpm@linux-foundation.org, > stable@vger.kernel.org, sashal@kernel.org, "=D0=91=D0=B5=D1=82=D1=85=D0= =B5=D1=80 =D0=90=D0=BB=D0=B5=D0=BA=D1=81=D0=B0=D0=BD=D0=B4=D1=80" , "i gaptrakhmanov" > > =D0=9E=D1=82=D0=BF=D1=80=D0=B0=D0=B2=D0=BB=D0=B5=D0=BD=D0=BD=D1=8B=D0=B5:= =D0=9F=D0=BE=D0=BD=D0=B5=D0=B4=D0=B5=D0=BB=D1=8C=D0=BD=D0=B8=D0=BA, 29 =D0= =90=D0=BF=D1=80=D0=B5=D0=BB=D1=8C 2024 =D0=B3 5:56:29 > =D0=A2=D0=B5=D0=BC=D0=B0: Re: Serious regression on 6.1.x-stable caused b= y "bounds: support non-power-of-two CONFIG_NR_CPUS" > On Sun, Apr 28, 2024 at 05:58:08PM +0300, Mikhail Novosyolov wrote: >> Hello, colleagues. >>=20 >> Commit f2d5dcb48f7ba9e3ff249d58fc1fa963d374e66a "bounds: support >> non-power-of-two CONFIG_NR_CPUS" >> (https://github.com/torvalds/linux/commit/f2d5dcb48f7ba9e3ff249d58fc1fa9= 63d374e66a) >> was backported to 6.1.x-stable >> (https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/comm= it/?id=3D428ca0000f0abd5c99354c52a36becf2b815ca21), >> but causes a serious regression on quite a lot of hardware with AMD GPUs= , >> kernel panics. >>=20 >> It was backported to 6.1.84, 6.1.84 has problems, 6/1/83 does not, the n= ewest >> 6.1.88 still has this problem. >=20 > Does v6.8.3 (which contains cf778fff03be) have this problem? > How about current Linus master? 6.1.88 - has problem 6.6.27 - does not have problem 6.9-rc from commit efdfbbc4dcc8f98754056971f88af0f7ff906144 https://git.ker= nel.org/pub/scm/linux/kernel/git/broonie/sound.git - does not have problem 6.8.3 was not tested, but we can test it if needed. >=20 > What kernel config were you using? I don't see that info on > https://linux-hardware.org/?probe=3D9c92ac1222 > (maybe my tired eyes can't see it) Kernel config for 6.1: https://abf.io/import/kernel-6.1/blob/bcb3e9611f/ker= nel-x86_64.config For 6.6: https://abf.io/import/kernel-6.6/blob/7404a4d3d5/kernel-x86_64.con= fig 6.9-rc was built with copypastied config from 6.6 (https://abf.io/build_lis= ts/5028240)