[Axiom-developer] Re: Bug#346552: naive methods of exiting axiom can blow up catastrophically

[Camm Maguire]

forwarded 346552 <address@hidden>
thanks

Greetings!  Can any on the axiom-developer list help with this one?
It concerns the interaction of sman with GCL's terminal input
processing. 

Take care,

Tom Hargreaves <address@hidden> writes:

> Package: axiom
> Version: 20050901-4
> Severity: minor
> 
> Typing ^D\n^C\n after starting axiom produces the following text
> repeated indefinitely:
> 
>   1) -> 
>    >> System error:
>    free(3) error.
> 
> Hitting ^C again changes the error text but not the infinite loop, and
> the only way to quit at that point appears to be ^\.
> 
> This sometimes happens when pressing ^C several times (without ^D),
> but I haven't been able to reproduce it consistently (whereas ^D\n^C\n
> dies every time).
> 
> Typing ^D\n several times also produces strange results, including the 
> following:
> 
>    Internal Error
>    Unexpected error in call to system function pf2Sex1 
> 
> Finally, the "(1) ->" prompt is printed twice on startup, with a small
> delay between printings, despite no user interaction.  Pressing ^C in
> the interval between prompts renders the session unresponsive, again
> requiring ^\ to regain control.
> 
> 
> -- System Information:
> Debian Release: testing/unstable
>   APT prefers unstable
>   APT policy: (500, 'unstable')
> Architecture: i386 (i686)
> Kernel: Linux 2.6.15
> Locale: LANG=C, LC_CTYPE=C
> 
> Versions of packages axiom depends on:
> ii  axiom-databases               20050901-4 A general purpose computer 
> algebra
> ii  libc6                         2.3.5-7    GNU C Library: Shared libraries 
> an
> ii  libgmp3c2                     4.1.4-11   Multiprecision arithmetic library
> ii  libncurses5                   5.4-9      Shared libraries for terminal 
> hand
> ii  libreadline5                  5.1-5      GNU readline and history 
> libraries
> 
> -- no debconf information
> 
> 
> 
> 

-- 
Camm Maguire                                            address@hidden
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