* ltrace hangings
@ 2012-02-28 16:48 Maxime Ripard
2012-02-28 22:34 ` Yann E. MORIN
0 siblings, 1 reply; 3+ messages in thread
From: Maxime Ripard @ 2012-02-28 16:48 UTC (permalink / raw)
To: buildroot, crossgcc
Hi everyone,
I'm having a hard time here using ltrace with buildroot or crosstool-ng.
Basically, with a crosstool-NG 1.13.4, with the sample
arm-unknown-linux-gnueabi (so uclibc 0.9.30.2), I get :
__uClibc_main(52956, 2, 0xbec42db4, 47280, 521292
and it hangs.
Same thing with a toolchain built by buildroot and with uclibc 0.9.32.
Finally, I tried still with buildroot, but using the latest codebench
glibc toolchain, I get:
# ltrace cat /proc/self/cmdline
__libc_start_main(53812, 2, 0xbefeedb4, 518624, 518824
Is it a wild guess to think that ltrace 0.5.3 is buggy, or am I doing
something wrong ?
--
Maxime Ripard, Free Electrons
Kernel, drivers, real-time and embedded Linux
development, consulting, training and support.
http://free-electrons.com
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^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: ltrace hangings
2012-02-28 16:48 ltrace hangings Maxime Ripard
@ 2012-02-28 22:34 ` Yann E. MORIN
2012-02-29 13:04 ` Maxime Ripard
0 siblings, 1 reply; 3+ messages in thread
From: Yann E. MORIN @ 2012-02-28 22:34 UTC (permalink / raw)
To: crossgcc; +Cc: Maxime Ripard, buildroot
Maxime, All,
On Tuesday 28 February 2012 17:47:40 Maxime Ripard wrote:
> I'm having a hard time here using ltrace with buildroot or crosstool-ng.
>
> Basically, with a crosstool-NG 1.13.4, with the sample
> arm-unknown-linux-gnueabi (so uclibc 0.9.30.2), I get :
> __uClibc_main(52956, 2, 0xbec42db4, 47280, 521292
> and it hangs.
>
> Same thing with a toolchain built by buildroot and with uclibc 0.9.32.
>
> Finally, I tried still with buildroot, but using the latest codebench
> glibc toolchain, I get:
>
> # ltrace cat /proc/self/cmdline
> __libc_start_main(53812, 2, 0xbefeedb4, 518624, 518824
>
> Is it a wild guess to think that ltrace 0.5.3 is buggy, or am I doing
> something wrong ?
0.5.3 is now a bit old (2 years), and there has been a new release
about four months ago:
http://anonscm.debian.org/gitweb/?p=collab-maint/ltrace.git;a=summary
Maybe it's time we upgrade crosstool-NG to this new version...
Also, there seems to be a revamp in the process:
http://lists.alioth.debian.org/pipermail/ltrace-devel/2012-January/000540.html
Regards,
Yann E. MORIN.
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^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: ltrace hangings
2012-02-28 22:34 ` Yann E. MORIN
@ 2012-02-29 13:04 ` Maxime Ripard
0 siblings, 0 replies; 3+ messages in thread
From: Maxime Ripard @ 2012-02-29 13:04 UTC (permalink / raw)
To: Yann E. MORIN; +Cc: crossgcc, buildroot
Hi Yann,
On 28/02/2012 23:33, Yann E. MORIN wrote:
> On Tuesday 28 February 2012 17:47:40 Maxime Ripard wrote:
>> I'm having a hard time here using ltrace with buildroot or crosstool-ng.
>>
>> Basically, with a crosstool-NG 1.13.4, with the sample
>> arm-unknown-linux-gnueabi (so uclibc 0.9.30.2), I get :
>> __uClibc_main(52956, 2, 0xbec42db4, 47280, 521292
>> and it hangs.
>>
>> Same thing with a toolchain built by buildroot and with uclibc 0.9.32.
>>
>> Finally, I tried still with buildroot, but using the latest codebench
>> glibc toolchain, I get:
>>
>> # ltrace cat /proc/self/cmdline
>> __libc_start_main(53812, 2, 0xbefeedb4, 518624, 518824
>>
>> Is it a wild guess to think that ltrace 0.5.3 is buggy, or am I doing
>> something wrong ?
>
> 0.5.3 is now a bit old (2 years), and there has been a new release
> about four months ago:
> http://anonscm.debian.org/gitweb/?p=collab-maint/ltrace.git;a=summary
>
> Maybe it's time we upgrade crosstool-NG to this new version...
I've upgraded the package in buildroot to 0.6.0, and same problem here
on ARM. However, it works fine on x86 either using directly their
build-system and Ubuntu's gcc or using buildroot's internal toolchain
for x86 (with uClibc).
It seems like the bug is probably more arch-specific than I thought.
--
Maxime Ripard, Free Electrons
Kernel, drivers, real-time and embedded Linux
development, consulting, training and support.
http://free-electrons.com
--
For unsubscribe information see http://sourceware.org/lists.html#faq
^ permalink raw reply [flat|nested] 3+ messages in thread
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