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From: Michael Ellerman <mpe@ellerman.id.au>
To: Christophe Leroy <christophe.leroy@csgroup.eu>,
	Eddie James <eajames@linux.ibm.com>,
	"linuxppc-dev@lists.ozlabs.org" <linuxppc-dev@lists.ozlabs.org>
Cc: "paulus@samba.org" <paulus@samba.org>
Subject: Re: KUEP broken on FSP2?
Date: Tue, 10 Oct 2023 22:03:18 +1100	[thread overview]
Message-ID: <87wmvurb7t.fsf@mail.lhotse> (raw)
In-Reply-To: <75905aa0-5c25-bff0-8ef9-4792b57f5f1a@csgroup.eu>

Christophe Leroy <christophe.leroy@csgroup.eu> writes:
> Le 09/10/2023 à 17:12, Eddie James a écrit :
>> 
>> On 10/9/23 08:14, Michael Ellerman wrote:
>>> Eddie James <eajames@linux.ibm.com> writes:
>>>> Hi,
>>>>
>>>> I'm attempting to run linux 6.1 on my FSP2, but my kernel crashes
>>>> attempting to get into userspace. The init script works, but the first
>>>> binary (mount) I run results in oops. Can anyone help me to debug this
>>>> further or suggest anything?
>>> Hi Eddie,
>>>
>>> It looks like breakage in syscall_exit_finish.
>>> Can you test this? Patch is against v6.1.
>> 
>> 
>> That worked! Perfect. Thank you very much! Will you send it upstream?
>
> Well spotted Michael. Looks like I messed it up with commit 6f76a01173cc 
> ("powerpc/syscall: implement system call entry/exit logic in C for PPC32")

I should have spotted it when applying ;)

That old asm code with all those unnamed labels was super fragile.

> Thanks for fixing.

No worries.

cheers

  reply	other threads:[~2023-10-10 11:04 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-10-05 19:06 KUEP broken on FSP2? Eddie James
2023-10-06  5:21 ` Christophe Leroy
2023-10-06 15:43   ` Eddie James
2023-10-06 15:55     ` Christophe Leroy
2023-10-06 16:16       ` Eddie James
2023-10-09 13:14 ` Michael Ellerman
2023-10-09 15:12   ` Eddie James
2023-10-09 16:02     ` Christophe Leroy
2023-10-10 11:03       ` Michael Ellerman [this message]
2023-10-10 10:59     ` Michael Ellerman

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