"procstat -x" output
Ralf Wenk
iz-rpi03 at hs-karlsruhe.de
Fri Mar 21 22:46:22 UTC 2014
On Fri, 21 Mar 2014 11:22:41 -0500, Alan Cox wrote:
> 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.
11.0-CURRENT #0 r263476: Fri Mar 21 18:29:48 CET 2014
$ procstat -x 808
PID COMM AUXV VALUE
808 sh AT_PHDR 0x8034
808 sh AT_PHENT 32
808 sh AT_PHNUM 6
808 sh AT_PAGESZ 4096
808 sh AT_FLAGS 0
808 sh AT_ENTRY 0xa5c0
808 sh AT_BASE 0x2002f000
808 sh AT_EXECPATH 0xbfffffc4
808 sh AT_OSRELDATE 1100014
808 sh AT_CANARY 0xbfffffa4
808 sh AT_CANARYLEN 32
808 sh AT_NCPUS 1
808 sh AT_PAGESIZES 0xbfffff9c
808 sh AT_PAGESIZESLEN 8
808 sh AT_STACKPROT NONEXECUTABLE
$
Ralf
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