Re: A: sched_xetattr.test fails consistently on aarch64

2017-03-29 Thread Dmitry V. Levin
On Tue, Mar 14, 2017 at 10:53:48AM +0300, Dmitry V. Levin wrote: > On Tue, Mar 14, 2017 at 01:16:23AM -0400, Mike Frysinger wrote: > > On 14 Mar 2017 00:57, Mike Frysinger wrote: > > > so there's a disagreement in the overall system somewhere. > > > i'd assume either the kernel's implementation of

Re: A: sched_xetattr.test fails consistently on aarch64

2017-03-14 Thread Dmitry V. Levin
On Tue, Mar 14, 2017 at 01:16:23AM -0400, Mike Frysinger wrote: > On 14 Mar 2017 00:57, Mike Frysinger wrote: > > so there's a disagreement in the overall system somewhere. > > i'd assume either the kernel's implementation of access_ok, > > or gcc's handling of the inline assembly. > > > > once i

Re: A: sched_xetattr.test fails consistently on aarch64

2017-03-13 Thread Mike Frysinger
On 14 Mar 2017 00:57, Mike Frysinger wrote: > so there's a disagreement in the overall system somewhere. > i'd assume either the kernel's implementation of access_ok, > or gcc's handling of the inline assembly. > > once i have access to a local system and reduce a bit more, > i'll file some

Re: A: sched_xetattr.test fails consistently on aarch64

2017-03-13 Thread Mike Frysinger
On 14 Mar 2017 00:13, Dmitry V. Levin wrote: > sched_xetattr.test introduced by commit v4.16-10-gf31755f > (tests: check decoding of sched_[gs]etattr corner cases) > consistently fails on aarch64. > > At the same time the test passes on all other architectures > where strace is being tested

Re: A: sched_xetattr.test fails consistently on aarch64

2017-03-13 Thread Dmitry V. Levin
On Mon, Mar 13, 2017 at 08:04:02PM -0400, Mike Frysinger wrote: > On 14 Mar 2017 00:13, Dmitry V. Levin wrote: > > However, I'm not an aarch64 expert myself, nor do I have the appropriate > > aarch64 hardware to investigate, so this issue is not going to be solved > > without your help. > > fwiw,

Re: A: sched_xetattr.test fails consistently on aarch64

2017-03-13 Thread Mike Frysinger
On 14 Mar 2017 00:13, Dmitry V. Levin wrote: > However, I'm not an aarch64 expert myself, nor do I have the appropriate > aarch64 hardware to investigate, so this issue is not going to be solved > without your help. fwiw, i should have a Gentoo system available for you to remote access in the

A: sched_xetattr.test fails consistently on aarch64

2017-03-13 Thread Dmitry V. Levin
Hi, sched_xetattr.test introduced by commit v4.16-10-gf31755f (tests: check decoding of sched_[gs]etattr corner cases) consistently fails on aarch64. At the same time the test passes on all other architectures where strace is being tested regularly, both 64-bit (alpha, ia64, mips64, ppc64,