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Message-ID: <20120719162255.GA11978@altlinux.org>
Date: Thu, 19 Jul 2012 20:22:55 +0400
From: "Dmitry V. Levin" <ldv@...linux.org>
To: owl-dev@...ts.openwall.com
Subject: Re: strace with restart_syscall output (was: status of 2.6.32-based kernel)
On Thu, Jul 19, 2012 at 08:13:05PM +0400, Vasily Kulikov wrote:
[...]
> I've tried some tools a bit like modprobe, ip, nmap, ping, brctl --
> everything works, except strace. It shows the same line for every
> syscall:
>
> restart_syscall(<... resuming interrupted call ...>) = 12
> restart_syscall(<... resuming interrupted call ...>) = 0
> restart_syscall(<... resuming interrupted call ...>) = 0
> ...
Is it x86 or x86-64? __NR_restart_syscall is 0 on x86.
> We have the latest strace (4.7), so it is a kernel related bug. Does
> it need any specific config option?
At least strace doesn't.
> Dmitry, have you faced with such a bug before?
I tested strace 4.7 with different kernels, but I haven't seen that before.
--
ldv
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