From: "Philippe Mathieu-Daudé" <philmd@linaro.org>
To: Ilya Leoshkevich <iii@linux.ibm.com>,
Laurent Vivier <laurent@vivier.eu>,
Richard Henderson <richard.henderson@linaro.org>
Cc: qemu-devel@nongnu.org, qemu-stable@nongnu.org
Subject: Re: [PATCH] linux-user/elfload: Fix pr_pid values in core files
Date: Fri, 2 Aug 2024 15:20:19 +0200 [thread overview]
Message-ID: <a218c0ba-3527-4e31-b8a7-e34b6f2bad1f@linaro.org> (raw)
In-Reply-To: <20240801202340.21845-1-iii@linux.ibm.com>
On 1/8/24 22:23, Ilya Leoshkevich wrote:
> Analyzing qemu-produced core dumps of multi-threaded apps runs into:
>
> (gdb) info threads
> [...]
> 21 Thread 0x3ff83cc0740 (LWP 9295) warning: Couldn't find general-purpose registers in core file.
> <unavailable> in ?? ()
>
> The reason is that all pr_pid values are the same, because the same
> TaskState is used for all CPUs when generating NT_PRSTATUS notes.
>
> Fix by using TaskStates associated with individual CPUs.
>
> Cc: qemu-stable@nongnu.org
> Fixes: 243c47066253 ("linux-user/elfload: Write corefile elf header in one block")
Isn't it
Fixes: edf8e2af14 ("linux-user: implemented ELF coredump")
?
> Signed-off-by: Ilya Leoshkevich <iii@linux.ibm.com>
> ---
> linux-user/elfload.c | 8 +++-----
> 1 file changed, 3 insertions(+), 5 deletions(-)
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
next prev parent reply other threads:[~2024-08-02 13:21 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-08-01 20:23 [PATCH] linux-user/elfload: Fix pr_pid values in core files Ilya Leoshkevich
2024-08-01 21:45 ` Richard Henderson
2024-08-02 13:20 ` Philippe Mathieu-Daudé [this message]
2024-08-02 13:23 ` Ilya Leoshkevich
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