linux-kernel - RE: arch/x86/um/user-offsets.c:8:24: fatal error: asm/ptrace.h: No such file or directory

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Date:	Fri, 18 Mar 2016 09:18:54 +0000
From:	"Li, Philip" <philip.li@...el.com>
To:	Richard Weinberger <richard@....at>,
	Krzysztof Kozlowski <k.kozlowski@...sung.com>
CC:	"Wu, Fengguang" <fengguang.wu@...el.com>,
	Al Viro <viro@....linux.org.uk>,
	"kbuild-all@...org" <kbuild-all@...org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: RE: arch/x86/um/user-offsets.c:8:24: fatal error: asm/ptrace.h: No
 such file or directory



> -----Original Message-----
> From: Richard Weinberger [mailto:richard@....at]
> Sent: Friday, March 18, 2016 4:59 PM
> To: Li, Philip <philip.li@...el.com>; Krzysztof Kozlowski
> <k.kozlowski@...sung.com>
> Cc: Wu, Fengguang <fengguang.wu@...el.com>; Al Viro
> <viro@....linux.org.uk>; kbuild-all@...org; linux-kernel@...r.kernel.org
> Subject: Re: arch/x86/um/user-offsets.c:8:24: fatal error: asm/ptrace.h: No
> such file or directory
> 
> Hi!
> 
> Am 18.03.2016 um 09:59 schrieb Philip Li:
> > On Fri, Mar 18, 2016 at 12:22:25PM +0900, Krzysztof Kozlowski wrote:
> >> On 18.03.2016 12:19, Philip Li wrote:
> >>> On Mon, Mar 14, 2016 at 09:53:06AM +0900, Krzysztof Kozlowski wrote:
> >>>> On Sun, Mar 13, 2016 at 7:45 AM, kbuild test robot
> >>>> <fengguang.wu@...el.com> wrote:
> >>>>> Hi Al,
> >>>>>
> >>>>> FYI, the error/warning still remains.
> >>>>>
> >>>>> tree:
> https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
> >>>>> head:   03c668a93187fe7fba9464f96fbe7c22eebd9897
> >>>>> commit: 5c48b108ecbf6505d929e64d50dace13ac2bdf34 um: take
> arch/um/sys-x86 to arch/x86/um
> >>>>> date:   4 years, 4 months ago
> >>>>> config: um-i386_defconfig (attached as .config)
> >>>>> reproduce:
> >>>>>         git checkout 5c48b108ecbf6505d929e64d50dace13ac2bdf34
> >>>>>         # save the attached .config to linux build tree
> >>>>>         make ARCH=um SUBARCH=i386
> >>>>>
> >>>>
> >>>> Hi,
> >>>>
> >>>> The code is correct. The build machine lacks asm/ptrace.h for i386
> >>>> (e.g. /usr/include/i386-linux-gnu/asm/ptrace.h). For example on
> >>>> Ubuntu this is provided by linux-libc-dev:i386.
> >>>
> >>> sorry for late response, we have installed linux-libc-dev:i386 on our build
> environment to have this head file.
> >>
> >> ... and does it help? Is the issue fixed?
> > thanks, this package does help, and head can be successfully found, though
> there appears a different problem, it is not related to missing ptrace.h.
> >
> > 2016-03-18_15:19:56 O: /kbuild-tests/branch-queue/lkp-hsx03-um/
> > CREATE,ISDIR
> > linux-review:Rajesh-Bhagat:usb-xhci-Fix-incomplete-PM-resume-operation
> > -due-to-XHCI-commmand-timeout:20160318-151914
> > 2016-03-18_15:20:34 O: 2016-03-18 15:20  Running
> > /kbuild-tests/build-queue/lkp-hsx03-um/um-i386_defconfig-gcc-4.9-5c48b
> > 108ecbf6505d929e64d50dace13ac2bdf34
> > 2016-03-18_15:20:34 O: git checkout -B build-queue
> > 5c48b108ecbf6505d929e64d50dace13ac2bdf34
> > 2016-03-18_15:22:06 E: 29 real  371 user  52 sys  1423.01% cpu
> > um-i386_defconfig
> > 2016-03-18_15:22:07 O: status: FAIL: build error
> > 2016-03-18_15:22:07 O: arch/um/os-Linux/start_up.c:348:22: error:
> > 'RLIM_INFINITY' undeclared (first use in this function)
> > 2016-03-18_15:22:07 O: arch/um/os-Linux/start_up.c:340:22: error:
> > 'RLIMIT_CORE' undeclared (first use in this function)
> > 2016-03-18_15:22:07 O: arch/um/os-Linux/start_up.c:340:2: error:
> > implicit declaration of function 'getrlimit'
> > [-Werror=implicit-function-declaration]
> > 2016-03-18_15:22:07 O: arch/um/os-Linux/start_up.c:339:16: error:
> > storage size of 'lim' isn't known
> 
> This build issue was fixed a long time ago.
> Why are you testing a 4 year old commit? :-) It misses a lot of fixes which are
> now needed on newer platforms.

Sorry for confusion, because previously the package is missing, and system bisects to this commit,
Pls help ignore all issues related to this commit, I just try to show the environment is fixed :-)

> 
> *confused*,
> //richard