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From: Christophe Leroy <christophe.leroy@csgroup.eu>
To: "Liam R. Howlett" <Liam.Howlett@oracle.com>,
	Andrew Morton <akpm@linux-foundation.org>
Cc: "linux-mm@kvack.org" <linux-mm@kvack.org>,
	"linuxppc-dev@lists.ozlabs.org" <linuxppc-dev@lists.ozlabs.org>
Subject: WARN: Interrupts were enabled early [bisected cfeb6ae8bcb9 ("maple_tree: disable mas_wr_append() when other readers are possible")]
Date: Tue, 12 Sep 2023 10:56:01 +0000	[thread overview]
Message-ID: <a981d84d-e2aa-a4dd-ad11-d7ac1a814e5e@csgroup.eu> (raw)

Hi,

With pmac32_defconfig on QEMU I get the following WARN with 6.6-rc1

Bisected to cfeb6ae8bcb9 ("maple_tree: disable mas_wr_append() when 
other readers are possible")

I have absolutely no idea what it can be, do you ?

------------[ cut here ]------------
Interrupts were enabled early
WARNING: CPU: 0 PID: 0 at init/main.c:992 start_kernel+0x4d8/0x5c0
Modules linked in:
CPU: 0 PID: 0 Comm: swapper Not tainted 6.6.0-rc1 #480
Hardware name: PowerMac3,1 7400 0xc0209 PowerMac
NIP:  c0a6052c LR: c0a6052c CTR: 00000000
REGS: c0c4dee0 TRAP: 0700   Not tainted  (6.6.0-rc1)
MSR:  00029032 <EE,ME,IR,DR,RI>  CR: 24000282  XER: 20000000

GPR00: c0a6052c c0c4dfa0 c0b92580 0000001d c0b9d128 00000001 c0b9d148 
3ffffdff
GPR08: c0ba80f0 00000000 00000000 3ffffe00 44000282 00000000 00000000 
0199abf8
GPR16: 0199b0a0 7fde7fa4 7fc5ac0c 000000bb 41000000 01c690c8 c0b92014 
c09b4bcc
GPR24: c0c55220 c0ac0000 00000000 efff9109 efff9100 0000000a c0c6d000 
c0b920a0
NIP [c0a6052c] start_kernel+0x4d8/0x5c0
LR [c0a6052c] start_kernel+0x4d8/0x5c0
Call Trace:
[c0c4dfa0] [c0a6052c] start_kernel+0x4d8/0x5c0 (unreliable)
[c0c4dff0] [00003540] 0x3540
Code: 480037b1 48023c05 4bab88cd 90620260 480139e9 4b657ccd 7d2000a6 
71298000 41a20014 3c60c09a 3863b788 4b5e9ccd <0fe00000> 39200000 
99380008 7d2000a6
---[ end trace 0000000000000000 ]---

Christophe

             reply	other threads:[~2023-09-12 10:57 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-09-12 10:56 Christophe Leroy [this message]
2023-09-12 13:33 ` WARN: Interrupts were enabled early [bisected cfeb6ae8bcb9 ("maple_tree: disable mas_wr_append() when other readers are possible")] Liam R. Howlett

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