From: Venkat Rao Bagalkote <venkat88@linux.ibm.com>
To: "linux-mm@kvack.org" <linux-mm@kvack.org>
Cc: LKML <linux-kernel@vger.kernel.org>,
linuxppc-dev <linuxppc-dev@lists.ozlabs.org>,
Madhavan Srinivasan <maddy@linux.ibm.com>,
Ritesh Harjani <riteshh@linux.ibm.com>,
Shrikanth Hegde <sshegde@linux.ibm.com>,
Lorenzo Stoakes <lorenzo.stoakes@oracle.com>,
Andrew Morton <akpm@linux-foundation.org>,
Liam.Howlett@oracle.com
Subject: [linux-next20260917] BUG: Bad page map in process
Date: Fri, 18 Sep 2026 12:38:29 +0530 [thread overview]
Message-ID: <d0d04df2-8d69-4155-81b1-3d3ea2fca14e@linux.ibm.com> (raw)
Greetings!!!
IBM CI has reported following boot warning on Power11 pseries machine
running linux-next 7.3.0-rc3-next-20260917.
Traces:
[ 4.944846] BUG: Bad page map in process rtas_errd pte:c00000001fff0786
[ 4.944850] pgd:8000000064e76009 p4d:8000000064e76009
pud:8000000064013009 pmd:8000000064011009
[ 4.944858] addr:00003fffa9382000 vm_flags:080000fb
anon_vma:0000000000000000 mapping:c0000000054443a0 index:1fff0
[ 4.944865] file:mem fault:0x0 mmap:0x0 mmap_prepare:
mmap_mem_prepare read_folio:0x0
[ 4.944875] CPU: 17 UID: 0 PID: 773 Comm: rtas_errd Not tainted
7.3.0-rc3-next-20260917 #1 PREEMPT(lazy)
[ 4.944877] Hardware name: IBM,9080-HEX Power11 (architected)
0x820200 0xf000007 of:IBM,FW1110.01 (NH1110_069) hv:phyp pSeries
[ 4.944879] Call Trace:
[ 4.944879] [c00000001791b4e0] [c00000000135a92c]
dump_stack_lvl+0x8c/0xf0 (unreliable)
[ 4.944885] [c00000001791b510] [c0000000006708c0]
print_bad_page_map.part.0.constprop.0+0x18c/0x260
[ 4.944887] [c00000001791b5f0] [c000000000674fa4]
vm_normal_page+0x140/0x17c
[ 4.944890] [c00000001791b630] [c00000000067648c]
zap_present_ptes.constprop.0+0x9c/0x9ac
[ 4.944893] [c00000001791b700] [c000000000677038]
zap_pte_range+0x29c/0x5f4
[ 4.944895] [c00000001791b840] [c000000000677500]
zap_pmd_range.isra.0+0x170/0x310
[ 4.944898] [c00000001791b8d0] [c000000000677a00]
__zap_vma_range+0x360/0x4cc
[ 4.944900] [c00000001791b980] [c0000000006780e0] unmap_vmas+0x98/0x1a0
[ 4.944903] [c00000001791ba10] [c0000000006b0f68] unmap_region+0x94/0x108
[ 4.944905] [c00000001791bad0] [c0000000006b1c7c]
vms_complete_munmap_vmas+0x11c/0x2c8
[ 4.944907] [c00000001791bb60] [c0000000006b273c]
do_vmi_align_munmap+0x1ac/0x1f8
[ 4.944909] [c00000001791bca0] [c0000000006b52c0] __vm_munmap+0xdc/0x1fc
[ 4.944911] [c00000001791bd60] [c00000000068b154] sys_munmap+0x28/0x3c
[ 4.944913] [c00000001791bd80] [c000000000032150]
system_call_exception+0x190/0x4b0
[ 4.944916] [c00000001791be50] [c00000000000d05c]
system_call_vectored_common+0x15c/0x2ec
[ 4.944919] ---- interrupt: 3000 at 0x3fffa9143754
[ 4.944920] NIP: 00003fffa9143754 LR: 00003fffa9143754 CTR:
0000000000000000
[ 4.944922] REGS: c00000001791be80 TRAP: 3000 Not tainted
(7.3.0-rc3-next-20260917)
[ 4.944923] MSR: 800000000280f033
<SF,VEC,VSX,EE,PR,FP,ME,IR,DR,RI,LE> CR: 44002408 XER: 00000000
[ 4.944928] IRQMASK: 0
[ 4.944928] GPR00: 000000000000005b 00003fffc0a69a20 00003fffa9237d00
00003fffa9382000
[ 4.944928] GPR04: 0000000000001000 0000000000000002 0000000000000000
0000000000000001
[ 4.944928] GPR08: 000000000000001b 0000000000000000 0000000000000000
0000000000000000
[ 4.944928] GPR12: 0000000000000000 00003fffa937f860 0000000000000000
00003fffa9383550
[ 4.944928] GPR16: 0000000000000000 00003fffc0a69cd8 00003fffc0a69ca0
68746150706d7544
[ 4.944928] GPR20: 00003fffc0a69c10 0068746150706d75 636170614364656c
747365526f747541
[ 4.944928] GPR24: 000000013ad9e130 00003fffc0a6a0d8 6d726f6674616c50
00003fffa92f5ee0
[ 4.944928] GPR28: 00003fffa9382000 000000001fff0000 0000000000000009
0000000000100000
[ 4.944945] NIP [00003fffa9143754] 0x3fffa9143754
[ 4.944946] LR [00003fffa9143754] 0x3fffa9143754
[ 4.944947] ---- interrupt: 3000
If you happen to fix this, please add below tag.
Reported-by: Venkat Rao Bagalkote <venkat88@linux.ibm.com>
Regards,
Venkat.
next reply other threads:[~2026-09-18 7:08 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-09-18 7:08 Venkat Rao Bagalkote [this message]
2026-09-18 7:13 ` Venkat Rao Bagalkote
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=d0d04df2-8d69-4155-81b1-3d3ea2fca14e@linux.ibm.com \
--to=venkat88@linux.ibm.com \
--cc=Liam.Howlett@oracle.com \
--cc=akpm@linux-foundation.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-mm@kvack.org \
--cc=linuxppc-dev@lists.ozlabs.org \
--cc=lorenzo.stoakes@oracle.com \
--cc=maddy@linux.ibm.com \
--cc=riteshh@linux.ibm.com \
--cc=sshegde@linux.ibm.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox
all inboxes | Powered by JetHome®