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Mail Archives: cygwin/2001/08/09/18:24:52

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From: "Noel L Yap" <yap_noel AT jpmorgan DOT com>
To: cygwin AT cygwin DOT com
Message-ID: <85256AA3.007B0FCA.00@nyc-ntgw-n01.ny.jpmorgan.com>
Date: Thu, 9 Aug 2001 18:24:13 -0400
Subject: Re: memory problems in chroot'ed env (Was: chroot bug)
Mime-Version: 1.0

I haven't been able to get to happen when using "chroot /", but here's output
from one of my sessions that did reproduce the "cannot allocate" problem:
nyap:jpmpsdev AT NYAP:~> chroot /view/nyap-tig-du
nyap:jpmpsdev AT NYAP:~> ls
.Xdefaults     .bashrc~             .inputrc          aoeu~          proj/
.Xdefaults~    .clearcase_profile@  .inputrc-0        app-defaults/  tmp/
.bash/         .clearcase_profile~  .inputrc~         bin/           view/
.bash_history  .emacs               .saves-670-NYAP~  lisp/
.bashrc        .emacs~              .viminfo          msfe/
nyap:jpmpsdev AT NYAP:~> cd /vobs
nyap:jpmpsdev AT NYAP:/vobs|nyap-tig-du> ls
admin/  ds/       opt/  picms/      play/  stage/  tk/
cccq/   fastcmp/  pi/   picmsdemo/  rel/   tiga/
nyap:jpmpsdev AT NYAP:/vobs|nyap-tig-du> cd ds
/vobs/ds
nyap:jpmpsdev AT NYAP:/vobs/ds|nyap-tig-du> ls
labmorgan/  lost+found/  tig/
nyap:jpmpsdev AT NYAP:/vobs/ds|nyap-tig-du> cleartool pwv
Working directory view: nyap-tig-du
Set view: ** NONE **
nyap:jpmpsdev AT NYAP:/vobs/ds|nyap-tig-du> ls
bash: xmalloc: cannot allocate 3646 bytes (0 bytes allocated)
nyap:jpmpsdev AT NYAP:/vobs/ds|nyap-tig-du> ls
labmorgan/  lost+found/  tig/
nyap:jpmpsdev AT NYAP:/vobs/ds|nyap-tig-du> cleartool pwv
Working directory view: nyap-tig-du
Set view: ** NONE **
nyap:jpmpsdev AT NYAP:/vobs/ds|nyap-tig-du> ls
labmorgan/  lost+found/  tig/
nyap:jpmpsdev AT NYAP:/vobs/ds|nyap-tig-du> mount
d:\opt\Rational\ClearCase\4.0 on /usr/atria type user (binmode)
d:\opt\Rational\ClearCase\4.0 on /view/nyap-tig-du/usr/atria type user
(textmode)
v:\nyap-tig-du on /view/nyap-tig-du/vobs type user (binmode)
d:\cygwin\bin on /usr/bin type user (binmode)
d:\cygwin\lib on /usr/lib type user (binmode)
d:\cygwin on / type user (binmode)
d:\cygwin on /view/nyap-tig-du type user (binmode)
h: on /home/nyap type user (textmode)
h: on /view/nyap-tig-du/home/nyap type user (textmode)
v: on /view type user (binmode)
c: on /%/c type user (binmode,noumount)
d: on /%/d type user (binmode,noumount)
f: on /%/f type user (binmode,noumount)
g: on /%/g type user (binmode,noumount)
s: on /%/s type user (binmode,noumount)
t: on /%/t type user (binmode,noumount)
u: on /%/u type user (binmode,noumount)
z: on /%/z type user (binmode,noumount)

Can you give me some hints as to how I can track this down any further, please?

Thanks,
Noel

On Thu, Aug 09, 2001 at 09:20:19AM -0400, Noel L Yap wrote:
>chroot works for the most part.  I get sporadic memory errors (xmalloc not able
>to allocate or segfault) when trying out commands (eg ls) after the chroot,
>though.  I'll see if I can track them down.

What is the chroot command that you're using "chroot /"?  Since this actually
does nothing at all now it would be surprising if it had any effect on any
commands.

Details in bug reports are always a necessity if you want solutions.

cgf

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