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Date:      Fri, 21 Mar 2014 11:22:41 -0500
From:      Alan Cox <alc@rice.edu>
To:        Ian Lepore <ian@FreeBSD.org>
Cc:        "arm@freebsd.org" <arm@FreeBSD.org>
Subject:   Re: "procstat -x" output
Message-ID:  <532C6751.4000201@rice.edu>
In-Reply-To: <1395006603.1149.559.camel@revolution.hippie.lan>
References:  <53261049.50709@rice.edu> <1395006603.1149.559.camel@revolution.hippie.lan>

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On 03/16/2014 16:50, Ian Lepore wrote:
> On Sun, 2014-03-16 at 15:57 -0500, Alan Cox wrote:
>> Folks,
>>
>> Could someone please run "procstat -x" on any process, and cut-and-paste
>> the output into a reply message.  I'm trying to debug a crash that
>> occurs on arm for a patch that I'm developing.
>>
>> Thanks,
>> Alan
> cpsim# procstat -x 720
>   PID COMM             AUXV             VALUE           
>   720 cpsim            AT_PHDR          0x8034
>   720 cpsim            AT_PHENT         32
>   720 cpsim            AT_PHNUM         7
>   720 cpsim            AT_PAGESZ        4096
>   720 cpsim            AT_FLAGS         0
>   720 cpsim            AT_ENTRY         0xf1c0
>   720 cpsim            AT_BASE          0x2015b000
>   720 cpsim            AT_EXECPATH      0xbfffffb9
>   720 cpsim            AT_OSRELDATE     1100011
>   720 cpsim            AT_CANARY        0xbfffff99
>   720 cpsim            AT_CANARYLEN     32
>   720 cpsim            AT_NCPUS         4
>   720 cpsim            AT_PAGESIZES     0xbfffff91
>   720 cpsim            AT_PAGESIZESLEN  8
>   720 cpsim            AT_STACKPROT     NONEXECUTABLE
>

Thanks, again.  A couple of days ago, kib@ committed a patch, r263349,
that should result in AT_PAGESIZES now having a 4-byte aligned address
on arm.  This misalignment caused problems for a patch that I'm
developing.  If/when anyone here updates to a newer kernel than r263349,
can you please rerun "procstat -x" and report the results.  I want to
verify that the alignment problem is really fixed on arm.

Thanks,
Alan




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