From mboxrd@z Thu Jan 1 00:00:00 1970 Content-Type: multipart/mixed; boundary="===============6972708542963020536==" MIME-Version: 1.0 From: Philip Li To: lkp@lists.01.org Subject: Re: [net, neigh] 7482e3841d: BUG:unable_to_handle_page_fault_for_address Date: Thu, 18 Nov 2021 21:01:33 +0800 Message-ID: In-Reply-To: List-Id: --===============6972708542963020536== Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable On Thu, Nov 18, 2021 at 09:47:51AM +0100, Daniel Borkmann wrote: > Hi Oliver, > = > On 11/18/21 7:23 AM, Oliver Sang wrote: > > On Fri, Nov 05, 2021 at 12:21:20PM +0100, Daniel Borkmann wrote: > > > Hey Oliver, > > > = > > > > > To reproduce: > > > > > = > > > > > =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 # build kernel > > > > > =C2=A0=C2=A0=C2=A0=C2=A0cd linux > > > > > =C2=A0=C2=A0=C2=A0=C2=A0cp config-5.15.0-rc4-01167-g7482e3841d52= .config > > > > > =C2=A0=C2=A0=C2=A0=C2=A0make HOSTCC=3Dgcc-9 CC=3Dgcc-9 ARCH=3Di3= 86 olddefconfig prepare modules_prepare bzImage > > > > > = > > > > > =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 git clone https= ://github.com/intel/lkp-tests.git > > > > > =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 cd lkp-tests > > > > > =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 bin/lkp qemu -k= job-script # job-script is attached in this email > > > > > = > > > > > =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 # if come acros= s any failure that blocks the test, > > > > > =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 # please remove= ~/.lkp and /lkp dir to run from a clean state. > > > = > > > I ran the test multiple times, but it seems I cannot reproduce. Would= be good if you could > > > double check below whether it looks / passes as expected or if I'm do= ing something wrong: > > = > > sorry about this, we tried above reproducer locally but failed to repro= duce > > either. we are under investigation of this issue. > = > Ok, thanks for looking into it! > = > > at the same time, we double confirmed by queuing more jobs to our auto-= test > > framework, it still reproduced in a persistent way. Just FYI > > 2c611ad97a82b512 7482e3841d520a368426ac19672 > > ---------------- --------------------------- > > fail:runs %reproduction fail:runs > > | | | > > :59 98% 58:58 dmesg.BUG:unable_to_hand= le_page_fault_for_address > > :59 98% 58:58 dmesg.Kernel_panic-not_s= yncing:Fatal_exception_in_interrupt > > :59 98% 58:58 dmesg.Oops:#[##] > > = > = > Is there any way for lkp to test development branches for getting more de= bug info out of it? > Something like syzkaller has with 'syz test' where it mails the results b= ack [0]? thanks for the suggestion, Daniel. So far, we don't support this yet, but t= his is very helpful to provide something similar to syzkaller does. We will consid= er this seriously as TODO. > = > Thanks a lot, > Daniel > = > [0] https://github.com/google/syzkaller/blob/master/docs/syzbot.md#test= ing-patches > _______________________________________________ > LKP mailing list -- lkp(a)lists.01.org > To unsubscribe send an email to lkp-leave(a)lists.01.org --===============6972708542963020536==--