From: bugzilla-daemon@bugzilla.kernel.org
To: linuxppc-dev@lists.ozlabs.org
Subject: [Bug 203125] Kernel 5.1-rc1 fails to boot on a PowerMac G4 3,6: Caused by (from SRR1=141020): Transfer error ack signal
Date: Thu, 09 May 2019 10:50:43 +0000 [thread overview]
Message-ID: <bug-203125-206035-3DCNusCTL2@https.bugzilla.kernel.org/> (raw)
In-Reply-To: <bug-203125-206035@https.bugzilla.kernel.org/>
https://bugzilla.kernel.org/show_bug.cgi?id=203125
--- Comment #7 from Christophe Leroy (christophe.leroy@c-s.fr) ---
On 05/09/2019 10:05 AM, bugzilla-daemon@bugzilla.kernel.org wrote:
> https://bugzilla.kernel.org/show_bug.cgi?id=203125
>
> Christophe Leroy (christophe.leroy@c-s.fr) changed:
>
> What |Removed |Added
> ----------------------------------------------------------------------------
> CC| |christophe.leroy@c-s.fr
>
> --- Comment #5 from Christophe Leroy (christophe.leroy@c-s.fr) ---
> Apparently, MSR DR is not sent and DAR has value 0xc0090654, meaning that a
> virt address tries to get accessed while in real mode.
>
Could you try the patch below:
diff --git a/arch/powerpc/mm/book3s32/hash_low.S
b/arch/powerpc/mm/book3s32/hash_low.S
index e27792d0b744..8366c2abeafc 100644
--- a/arch/powerpc/mm/book3s32/hash_low.S
+++ b/arch/powerpc/mm/book3s32/hash_low.S
@@ -539,7 +539,8 @@ _GLOBAL(flush_hash_pages)
#ifdef CONFIG_SMP
lis r9, (mmu_hash_lock - PAGE_OFFSET)@ha
addi r9, r9, (mmu_hash_lock - PAGE_OFFSET)@l
- lwz r8,TASK_CPU(r2)
+ tophys (r8, r2)
+ lwz r8, TASK_CPU(r8)
oris r8,r8,9
10: lwarx r0,0,r9
cmpi 0,r0,0
Christophe
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next prev parent reply other threads:[~2019-05-09 10:52 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <bug-203125-206035@https.bugzilla.kernel.org/>
2019-05-08 22:38 ` [Bug 203125] Kernel 5.1-rc1 fails to boot on a PowerMac G4 3,6: Caused by (from SRR1=141020): Transfer error ack signal bugzilla-daemon
2019-05-09 10:05 ` bugzilla-daemon
2019-05-09 10:22 ` Christophe Leroy
2019-05-09 10:31 ` bugzilla-daemon
2019-05-09 10:50 ` bugzilla-daemon [this message]
2019-05-09 11:36 ` bugzilla-daemon
2019-05-09 11:42 ` bugzilla-daemon
2019-05-10 5:36 ` bugzilla-daemon
2019-05-22 20:18 ` bugzilla-daemon
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