linux-kernel - Re: [PATCH v3] sh: avoid using IRQ0 on SH3/4

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Message-ID: <a31ad123-5a37-63ea-e8b6-d573bb6c0bee@physik.fu-berlin.de>
Date:   Sun, 1 May 2022 12:19:05 +0200
From:   John Paul Adrian Glaubitz <glaubitz@...sik.fu-berlin.de>
To:     Rob Landley <rob@...dley.net>, Sergey Shtylyov <s.shtylyov@....ru>,
        Rich Felker <dalias@...c.org>, linux-sh@...r.kernel.org,
        linux-kernel@...r.kernel.org
Cc:     Yoshinori Sato <ysato@...rs.sourceforge.jp>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Subject: Re: [PATCH v3] sh: avoid using IRQ0 on SH3/4

Hi Rob!

On 4/30/22 12:30, Rob Landley wrote:
>> Maybe try getting it landed through Andrew Morton's tree?
> 
> As I told him in IRC, the problem is still that sh4 never gives me a shell
> prompt with this patch applied. I just reconfirmed it against current git:
> 
> Freeing unused kernel image (initmem) memory: 124K
> This architecture does not have kernel memory protection.
> Run /init as init process
> mountpoint: dev/pts: No such file or directory
> 8139cp 0000:00:02.0 eth0: link up, 100Mbps, full-duplex, lpa 0x05E1
> 
> It makes it partway through the init script, but it hangs with qemu-system-sh4
> stuck in a CPU-eating loop before finishing. Without the patch, I get a shell
> prompt.

Oh, I wasn't aware of that. I did not experience the issue on my SH7785LCR but I can
retest against current git with the patch applied on top.

Adrian

-- 
 .''`.  John Paul Adrian Glaubitz
: :' :  Debian Developer
`. `'   Physicist
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