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Tue, 6 Aug 2024 01:14:01 -0400 (EDT) X-Mailer: MessagingEngine.com Webmail Interface Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Date: Tue, 06 Aug 2024 06:13:05 +0100 From: "Jiaxun Yang" To: "linux-mips@vger.kernel.org" Cc: "Linux Kernel Mailing List" , "Thomas Bogendoerfer" , "Guenter Roeck" , regressions@lists.linux.dev Message-Id: In-Reply-To: <314ee964-fe3f-4b4a-b83f-76ed6e6e16dd@roeck-us.net> References: <378f3810-8b3f-416f-90ec-c81bb3f29123@roeck-us.net> <314ee964-fe3f-4b4a-b83f-76ed6e6e16dd@roeck-us.net> Subject: [REGRESSION] QEMU malta MIPS64 network failure (was: Re: Linux 6.11-rc2) Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable =E5=9C=A82024=E5=B9=B48=E6=9C=886=E6=97=A5=E5=85=AB=E6=9C=88 =E4=B8=8A=E5= =8D=885:21=EF=BC=8CGuenter Roeck=E5=86=99=E9=81=93=EF=BC=9A > On Mon, Aug 05, 2024 at 09:00:04AM -0700, Guenter Roeck wrote: >> On Sun, Aug 04, 2024 at 02:00:57PM -0700, Linus Torvalds wrote: >> > So rc1 had a fair number of annoying small build or test failures on >> > Guenter's test matrix, which never looks good. But most of them see= med >> > to be of the "stupid and trivial" variety, which obviously doesn't >> > instill confidence in the process, but also isn't exactly scary. Wh= en >> > the microblaze tinyconfig doesn't build cleanly, it may not be a gr= eat >> > look, but it's also probably not a showstopper for actual use. >> >=20 >> > Hopefully we've gotten rid of the bulk of the silly noise here in r= c2, >> > and not added too much new noise, so that we can get on with the >> > process of finding more meaningful issues. >> >=20 >>=20 >> Build results: >> total: 158 pass: 158 fail: 0 >> Qemu test results: >> total: 539 pass: 516 fail: 23 >> Failed tests: > ... >> mips64:malta:malta_defconfig:nocd:smp:net=3De1000-82544gc:ide:ext2 > ... >> The mips64 test failure is a networking interface failure. It started >> happening a week or two ago. The problem is spurious and thus difficu= lt >> to bisect. #regzbot introduced: 7190401fc56fb5f02ee3d04476778ab000bbaf32 #regzbot title: QEMU malta MIPS64 network failure >>=20 > > I managed to bisect this. Bisect results below. I didn't try to unders= tand > what is going on, but reverting the offending patch fixes the problem. > It is seen with all variants of e1000 controllers. > > Guenter > > --- > # bad: [de9c2c66ad8e787abec7c9d7eff4f8c3cdd28aed] Linux 6.11-rc2 > # good: [0c3836482481200ead7b416ca80c68a29cfdaabd] Linux 6.10 > git bisect start 'HEAD' 'v6.10' > # good: [280e36f0d5b997173d014c07484c03a7f7750668] nsfs: use cleanup=20 > guard > git bisect good 280e36f0d5b997173d014c07484c03a7f7750668 > # good: [a4f9285520584977127946a22eab2adfbc87d1bf] Merge tag=20 > 'clk-for-linus' of=20 > git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux > git bisect good a4f9285520584977127946a22eab2adfbc87d1bf > # bad: [8e313211f7d46d42b6aa7601b972fe89dcc4a076] Merge tag=20 > 'pinctrl-v6.11-1' of=20 > git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl > git bisect bad 8e313211f7d46d42b6aa7601b972fe89dcc4a076 > # good: [acc5965b9ff8a1889f5b51466562896d59c6e1b9] Merge tag=20 > 'char-misc-6.11-rc1' of=20 > git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc > git bisect good acc5965b9ff8a1889f5b51466562896d59c6e1b9 > # bad: [d2be38b9a5514dbc7dc0c96a2a7f619fcddce00d] Merge tag 'mips_6.11= '=20 > of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux > git bisect bad d2be38b9a5514dbc7dc0c96a2a7f619fcddce00d > # good: [45659274e60864f9acabba844468e405362bdc8c] Merge branch=20 > 'pci/misc' > git bisect good 45659274e60864f9acabba844468e405362bdc8c > # good: [8e5c0abfa02d85b9cd2419567ad2d73ed8fe4b74] Merge tag=20 > 'input-for-v6.11-rc0' of=20 > git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input > git bisect good 8e5c0abfa02d85b9cd2419567ad2d73ed8fe4b74 > # good: [3c3ff7be9729959699eb6cbc7fd7303566d74069] Merge tag=20 > 'powerpc-6.11-1' of=20 > git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux > git bisect good 3c3ff7be9729959699eb6cbc7fd7303566d74069 > # good: [3de96d810ffd712b7ad2bd764c1390fac2436551] dt-bindings: mips:=20 > brcm: Document brcm,bmips-cbr-reg property > git bisect good 3de96d810ffd712b7ad2bd764c1390fac2436551 > # bad: [9c7a86c935074525f24cc20e78a7d5150e4600e3] MIPS: lantiq: improv= e=20 > USB initialization > git bisect bad 9c7a86c935074525f24cc20e78a7d5150e4600e3 > # bad: [580724fce27f2b71b3e4d58bbe6d83b671929b33] MIPS: sync-r4k:=20 > Rework based on x86 tsc_sync > git bisect bad 580724fce27f2b71b3e4d58bbe6d83b671929b33 > # good: [c171186c177970d3ec22dd814f2693f1f7fc1e7d] MIPS: csrc-r4k:=20 > Refine rating computation > git bisect good c171186c177970d3ec22dd814f2693f1f7fc1e7d > # bad: [426fa8e4fe7bb914b5977cbce453a9926bf5b2e6] MIPS: csrc-r4k:=20 > Select HAVE_UNSTABLE_SCHED_CLOCK if SMP && 64BIT > git bisect bad 426fa8e4fe7bb914b5977cbce453a9926bf5b2e6 > # bad: [7190401fc56fb5f02ee3d04476778ab000bbaf32] MIPS: csrc-r4k: Appl= y=20 > verification clocksource flags > git bisect bad 7190401fc56fb5f02ee3d04476778ab000bbaf32 > # first bad commit: [7190401fc56fb5f02ee3d04476778ab000bbaf32] MIPS:=20 > csrc-r4k: Apply verification clocksource flags --=20 - Jiaxun