From: Dmitry Torokhov <dmitry.torokhov@gmail.com>
To: Barry Song <song.bao.hua@hisilicon.com>
Cc: linux-input@vger.kernel.org, linuxarm@openeuler.org
Subject: Re: [PATCH] input - mk712: fix the kernel crash while mk712 is selected
Date: Mon, 11 Jan 2021 21:28:31 -0800 [thread overview]
Message-ID: <X/0zf+n85sbXbKu+@google.com> (raw)
In-Reply-To: <20210108003527.25800-1-song.bao.hua@hisilicon.com>
On Fri, Jan 08, 2021 at 01:35:27PM +1300, Barry Song wrote:
> While debugging other issues, I enabled mk712 then I got the below crash
> during arm64 linux boot:
> [ 1.150412] pstate: 80000005 (Nzcv daif -PAN -UAO -TCO BTYPE=--)
> [ 1.150541] pc : logic_outb+0x3c/0xa8
> [ 1.150657] lr : mk712_init+0x74/0x1ec
> [ 1.150745] sp : ffff800011efbd40
> [ 1.150950] x29: ffff800011efbd40 x28: 0000000000000000
> [ 1.151098] x27: ffff800011681078 x26: ffff8000115d04b8
> [ 1.151192] x25: ffff8000116ff6b4 x24: ffff8000115bac10
> [ 1.151287] x23: ffff800011dfa000 x22: ffff800011b8dbe0
> [ 1.151421] x21: ffff800011eac000 x20: 0000000000000000
> [ 1.151527] x19: fffffbfffe800266 x18: 0000000000000000
> [ 1.151674] x17: ffff800010a7bc38 x16: ffff800010a7b0e0
> [ 1.151944] x15: 0000a0d665e7ee58 x14: 000000000000011a
> [ 1.152060] x13: 0000000000000001 x12: 0000000000000000
> [ 1.152149] x11: 0000000000000000 x10: 0000000000000a60
> [ 1.152291] x9 : 0000000000000000 x8 : ffff0000c0a2a480
> [ 1.152429] x7 : 0000000000000000 x6 : ffff0000c0b0c9b8
> [ 1.152522] x5 : 0000000000001000 x4 : ffff0000c03613b0
> [ 1.152614] x3 : 0000000000000267 x2 : 0000000000000260
> [ 1.152731] x1 : fffffbfffe800000 x0 : 0000000000ffbffe
> [ 1.153135] Call trace:
> [ 1.153342] logic_outb+0x3c/0xa8
> [ 1.153434] mk712_init+0x74/0x1ec
> [ 1.153571] do_one_initcall+0x54/0x1b8
> [ 1.153705] kernel_init_freeable+0x1d0/0x238
> [ 1.153860] kernel_init+0x14/0x118
> [ 1.153960] ret_from_fork+0x10/0x30
> [ 1.154304] Code: d2bfd001 f2df7fe1 f2ffffe1 8b010273 (39000274)
> [ 1.155013] ---[ end trace f9b157c311d20edd ]---
> [ 1.155854] Kernel panic - not syncing: Attempted to kill init! exitcode=0x0000000b
> [ 1.156236] SMP: stopping secondary CPUs
>
> The driver is very old and resources are totally hardcoded, no bus model.
> It seems the simplest way to fix this issue is disabling it by parameter.
> If someone really needs the old driver, it should enable the parameter
> by cmdline.
I wonder if we are not better off simply removing the driver. I doubt
there are any "Gateway AOL Connected Touchpad computers left, especially
ones that run 5.x kernels.
Thanks.
--
Dmitry
next prev parent reply other threads:[~2021-01-12 5:29 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-01-08 0:35 [PATCH] input - mk712: fix the kernel crash while mk712 is selected Barry Song
2021-01-12 5:28 ` Dmitry Torokhov [this message]
2021-01-12 5:32 ` [Linuxarm] " Song Bao Hua (Barry Song)
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