linux-kernel - Kernel 6.4-rc1 ARM boot fails

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Message-ID: <ZFs6DNgzBHNarr6D@euler>
Date:   Tue, 9 May 2023 23:30:36 -0700
From:   Colin Foster <colin.foster@...advantage.com>
To:     Ard Biesheuvel <ardb@...nel.org>
Cc:     linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        Linus Walleij <linus.walleij@...aro.org>,
        "Russell King (Oracle)" <rmk+kernel@...linux.org.uk>
Subject: Kernel 6.4-rc1 ARM boot fails

Hi Ard,

I just wanted to give a heads up. I tested 6.4-rc1 on a Beaglebone Black
and kept getting boot hangs. A bisect led me to commit c76c6c4ecbec ("ARM:
9294/2: vfp: Fix broken softirq handling with instrumentation enabled").

The dying message is "Run /sbin/init as init process"

I'm not sure if this has already been reported. I was able to revert this
patch and confirm things work again.

My current kernel version with the revert is below. I can share my kconfig
if that's needed.

```
# uname -a
Linux buildroot 6.4.0-rc1-00022-g6ceb2f82fe40 #1313 SMP PREEMPT Tue May  9 23:02:58 PDT 2023 armv7l GNU/Linux
```

Thanks, and let me know if you need any more information from me.

Colin Foster