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Message-ID: <f029c7e9-492a-e4ec-922f-e86c2db144a5@huawei.com>
Date: Mon, 18 Apr 2022 16:36:09 +0800
From: songyuanzheng <songyuanzheng@...wei.com>
To: "Russell King (Oracle)" <linux@...linux.org.uk>
CC: <ardb@...nel.org>, <arnd@...db.de>, <linus.walleij@...aro.org>,
<akpm@...ux-foundation.org>, <ebiederm@...ssion.com>,
<wangkefeng.wang@...wei.com>,
<linux-arm-kernel@...ts.infradead.org>,
<linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] ARM: fix the incorrect value of sp in __die()
Thanks for your reply.
I didn't fully understand these code, please ignore this patch.
Thanks.
On 2022/4/18 16:03, Russell King (Oracle) wrote:
> Insufficient stack space to handle exception!
> Task stack: [0xf09dc000..0xf09de000]
> IRQ stack: [0xf0800000..0xf0802000]
> Overflow stack: [0xc210e000..0xc210f000]
> Internal error: kernel stack overflow: 0 [#1] SMP ARM
> Modules linked in:
> CPU: 0 PID: 81 Comm: sh Not tainted 5.18.0-rc3 #4
> Hardware name: ARM-Versatile Express
> PC is at mmioset+0x20/0xa8
> LR is at recursive_loop+0x34/0x9c
> pc : [<c0777080>] lr : [<c0a90c6c>] psr: 20000013
> sp : f09dbf48 ip : f09dbf4c fp : 00219644
> ...
> Stack: (0xf09dbf48 to 0xf09de000)
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