On 08/13/2012 01:56 PM, David Cullen wrote:
>>
>> That sounds like a bug in xargs...
>>
>
> In my specific case, qemu-arm-static calls xargs (In fact, in my
> cross chroot, qemu-arm-static is used to run every user mode process).
>
> Do you mean that qemu-arm-static is exposing a latent defect in xargs?
>
> Does qemu-arm-static steal some of the command line space that would
> normally be available for xargs? If so, how would xargs figure out
> this was happening and handle the problem?
>
I have no idea. Perhaps strace can help you see what is happening, I
don't know. More likely it is qemu-arm-static that is broken and it is
trying to enforce the old 128K limit that we used to have before 2.6.23.
This could cause a mismatch between what sysconf(_SC_ARG_MAX) returns
and what the actual limit is.
Anyway, even more so the reason to reject this patch.
-hpa
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