From: Venkat Rao Bagalkote <venkat88@linux.vnet.ibm.com>
To: iommu@lists.linux.dev, jgg@nvidia.com
Cc: sbhat@linux.ibm.com, robin.murphy@arm.com, will@kernel.org
Subject: [revert commit 83b3836bf83f09beea5f592b126cfdd1bc921e48] [mainline] [6.8.0-rc3]kernel BUG at arch/powerpc/platforms/pseries/iommu.c:100!
Date: Thu, 8 Feb 2024 08:26:57 +0530 [thread overview]
Message-ID: <274e0d2b-b5cc-475e-94e6-8427e88e271d@linux.vnet.ibm.com> (raw)
In-Reply-To: <8d75ebd3-85c2-4a05-8eca-08f66f9411dc@linux.vnet.ibm.com>
Resending as earlier one bounced.
Greetings!!!
[revert commit 83b3836bf83f09beea5f592b126cfdd1bc921e48] [mainline]
[6.8.0-rc3]kernel BUG at arch/powerpc/platforms/pseries/iommu.c:100!
By Reverting below commit id, issue is not seen.
83b3836bf83f09beea5f592b126cfdd1bc921e48
iommu: Allow ops->default_domain to work when !CONFIG_IOMMU_DMA
--- Traces ---
KernelBug: Kernel bug in state 'None': kernel BUG at
arch/powerpc/platforms/pseries/iommu.c:100!
[ 7843.148980] Oops: Exception in kernel mode, sig: 5 [#1]
[ 7843.148984] LE PAGE_SIZE=64K MMU=Radix SMP NR_CPUS=8192 NUMA pSeries
[ 7843.148988] Modules linked in: nft_compat nf_tables libcrc32c
nfnetlink bridge stp llc tls sit tunnel4 ip_tunnel nvram rpadlpar_io
rpaphp xsk_diag rfkill binfmt_misc mlx5_ib ib_uverbs ib_core pseries_rng
drm drm_panel_orientation_quirks ext4 mbcache jbd2 dm_service_time
sd_mod t10_pi crc64_rocksoft_generic crc64_rocksoft crc64 sg ibmvfc
scsi_transport_fc ibmveth mlx5_core mlxfw vmx_crypto psample
dm_multipath dm_mirror dm_region_hash dm_log dm_mod fuse [last unloaded:
tls]
[ 7843.149041] CPU: 17 PID: 218444 Comm: drmgr Kdump: loaded Tainted:
G I 6.8.0-rc3-autotest-g99bd3cb0d12e #1
[ 7843.149047] Hardware name: IBM,9080-HEX POWER10 (raw) 0x800200
0xf000006 of:IBM,FW1060.00 (NH1060_016) hv:phyp pSeries
[ 7843.149051] NIP: c0000000000ff4d4 LR: c0000000000ff4cc CTR:
0000000000000000
[ 7843.149055] REGS: c0000013aed5f840 TRAP: 0700 Tainted: G
I (6.8.0-rc3-autotest-g99bd3cb0d12e)
[ 7843.149060] MSR: 8000000000029033 <SF,EE,ME,IR,DR,RI,LE> CR:
44002402 XER: 20040000
[ 7843.149069] CFAR: c000000000a0d170 IRQMASK: 0
[ 7843.149069] GPR00: c0000000000ff4cc c0000013aed5fae0 c000000001512700
c0000013aa362138
[ 7843.149069] GPR04: 0000000000000000 0000000000000000 0000000000000000
0000000119c8afd0
[ 7843.149069] GPR08: 0000000000000000 c000001284442b00 0000000000000001
0000000000001003
[ 7843.149069] GPR12: 0000000300000000 c0000018ffff2f00 0000000000000000
0000000000000000
[ 7843.149069] GPR16: 0000000000000000 0000000000000000 0000000000000000
0000000000000000
[ 7843.149069] GPR20: 0000000000000000 0000000000000000 0000000000000000
0000000000000000
[ 7843.149069] GPR24: c0000013aed5fc40 0000000000000002 0000000000000000
c000000002757d90
[ 7843.149069] GPR28: c0000000000ff440 c000000002757cb8 c00000183799c1a0
c0000013aa362b00
[ 7843.149112] NIP [c0000000000ff4d4] iommu_reconfig_notifier+0x94/0x200
[ 7843.149123] LR [c0000000000ff4cc] iommu_reconfig_notifier+0x8c/0x200
[ 7843.149129] Call Trace:
[ 7843.149131] [c0000013aed5fae0] [c0000000000ff4cc]
iommu_reconfig_notifier+0x8c/0x200 (unreliable)
[ 7843.149138] [c0000013aed5fb10] [c0000000001a27b0]
notifier_call_chain+0xb8/0x19c
[ 7843.149146] [c0000013aed5fb70] [c0000000001a2a78]
blocking_notifier_call_chain+0x64/0x98
[ 7843.149152] [c0000013aed5fbb0] [c000000000c4a898]
of_reconfig_notify+0x44/0xdc
[ 7843.149160] [c0000013aed5fc20] [c000000000c4add4]
of_detach_node+0x78/0xb0
[ 7843.149165] [c0000013aed5fc70] [c0000000000f96a8]
ofdt_write.part.0+0x86c/0xbb8
[ 7843.149171] [c0000013aed5fce0] [c00000000069b4bc]
proc_reg_write+0xf4/0x150
[ 7843.149178] [c0000013aed5fd10] [c0000000005bfeb4] vfs_write+0xf8/0x488
[ 7843.149184] [c0000013aed5fdc0] [c0000000005c0570] ksys_write+0x84/0x140
[ 7843.149189] [c0000013aed5fe10] [c000000000033358]
system_call_exception+0x138/0x330
[ 7843.149196] [c0000013aed5fe50] [c00000000000d05c]
system_call_vectored_common+0x15c/0x2ec
[ 7843.149203] --- interrupt: 3000 at 0x20000433acb4
[ 7843.149208] NIP: 000020000433acb4 LR: 0000000000000000 CTR:
0000000000000000
[ 7843.149212] REGS: c0000013aed5fe80 TRAP: 3000 Tainted: G
I (6.8.0-rc3-autotest-g99bd3cb0d12e)
[ 7843.149217] MSR: 800000000280f033
<SF,VEC,VSX,EE,PR,FP,ME,IR,DR,RI,LE> CR: 42002408 XER: 00000000
[ 7843.149227] IRQMASK: 0
[ 7843.149227] GPR00: 0000000000000004 00007fffcde2d2c0 000000013a707f00
0000000000000006
[ 7843.149227] GPR04: 00007fffcde2d368 0000000000000020 0000000000000000
0000000000000001
[ 7843.149227] GPR08: 0000000000000020 0000000000000000 0000000000000000
0000000000000000
[ 7843.149227] GPR12: 0000000000000000 000020000403b1e0 000000013a6df668
0000000000000006
[ 7843.149227] GPR16: 0000000000000000 0000000000000002 0000000000000004
0000000000000005
[ 7843.149227] GPR20: 000000013a700018 000000013a6df360 000000013a6dcb20
000000013a6dd918
[ 7843.149227] GPR24: 000000013a6db178 00000001722028c8 00007fffcde2d7f8
00000001722028c8
[ 7843.149227] GPR28: 000000013a6dc340 00007fffcde2d368 0000000000000006
0000000000000020
[ 7843.149268] NIP [000020000433acb4] 0x20000433acb4
[ 7843.149271] LR [0000000000000000] 0x0
[ 7843.149274] --- interrupt: 3000
[ 7843.149277] Code: 4082016c 2c3f0000 41820060 ebff0028 2c3f0000
41820054 e87f0018 2c230000 41820014 4890dc75 60000000 e93f0018
<0b090000> e87f0020 2c230000 4182000c
[ 7843.149292] ---[ end trace 0000000000000000 ]---
Regards,
Venkat.
> Greetings!!!
>
>
> [revert commit 83b3836bf83f09beea5f592b126cfdd1bc921e48] [mainline]
> [6.8.0-rc3]kernel BUG at arch/powerpc/platforms/pseries/iommu.c:100!
>
>
> Reverting below commit id issue is not seen.
>
> 83b3836bf83f09beea5f592b126cfdd1bc921e48
> iommu: Allow ops->default_domain to work when !CONFIG_IOMMU_DMA
>
>
> Traces:
>
>
> KernelBug: Kernel bug in state 'None': kernel BUG at arch/powerpc/platforms/pseries/iommu.c:100!
> [ 7843.148980] Oops: Exception in kernel mode, sig: 5 [#1]
> [ 7843.148984] LE PAGE_SIZE=64K MMU=Radix SMP NR_CPUS=8192 NUMA pSeries
> [ 7843.148988] Modules linked in: nft_compat nf_tables libcrc32c nfnetlink bridge stp llc tls sit tunnel4 ip_tunnel nvram rpadlpar_io rpaphp xsk_diag rfkill binfmt_misc mlx5_ib ib_uverbs ib_core pseries_rng drm drm_panel_orientation_quirks ext4 mbcache jbd2 dm_service_time sd_mod t10_pi crc64_rocksoft_generic crc64_rocksoft crc64 sg ibmvfc scsi_transport_fc ibmveth mlx5_core mlxfw vmx_crypto psample dm_multipath dm_mirror dm_region_hash dm_log dm_mod fuse [last unloaded: tls]
> [ 7843.149041] CPU: 17 PID: 218444 Comm: drmgr Kdump: loaded Tainted: G I 6.8.0-rc3-autotest-g99bd3cb0d12e #1
> [ 7843.149047] Hardware name: IBM,9080-HEX POWER10 (raw) 0x800200 0xf000006 of:IBM,FW1060.00 (NH1060_016) hv:phyp pSeries
> [ 7843.149051] NIP: c0000000000ff4d4 LR: c0000000000ff4cc CTR: 0000000000000000
> [ 7843.149055] REGS: c0000013aed5f840 TRAP: 0700 Tainted: G I (6.8.0-rc3-autotest-g99bd3cb0d12e)
> [ 7843.149060] MSR: 8000000000029033 <SF,EE,ME,IR,DR,RI,LE> CR: 44002402 XER: 20040000
> [ 7843.149069] CFAR: c000000000a0d170 IRQMASK: 0
> [ 7843.149069] GPR00: c0000000000ff4cc c0000013aed5fae0 c000000001512700 c0000013aa362138
> [ 7843.149069] GPR04: 0000000000000000 0000000000000000 0000000000000000 0000000119c8afd0
> [ 7843.149069] GPR08: 0000000000000000 c000001284442b00 0000000000000001 0000000000001003
> [ 7843.149069] GPR12: 0000000300000000 c0000018ffff2f00 0000000000000000 0000000000000000
> [ 7843.149069] GPR16: 0000000000000000 0000000000000000 0000000000000000 0000000000000000
> [ 7843.149069] GPR20: 0000000000000000 0000000000000000 0000000000000000 0000000000000000
> [ 7843.149069] GPR24: c0000013aed5fc40 0000000000000002 0000000000000000 c000000002757d90
> [ 7843.149069] GPR28: c0000000000ff440 c000000002757cb8 c00000183799c1a0 c0000013aa362b00
> [ 7843.149112] NIP [c0000000000ff4d4] iommu_reconfig_notifier+0x94/0x200
> [ 7843.149123] LR [c0000000000ff4cc] iommu_reconfig_notifier+0x8c/0x200
> [ 7843.149129] Call Trace:
> [ 7843.149131] [c0000013aed5fae0] [c0000000000ff4cc] iommu_reconfig_notifier+0x8c/0x200 (unreliable)
> [ 7843.149138] [c0000013aed5fb10] [c0000000001a27b0] notifier_call_chain+0xb8/0x19c
> [ 7843.149146] [c0000013aed5fb70] [c0000000001a2a78] blocking_notifier_call_chain+0x64/0x98
> [ 7843.149152] [c0000013aed5fbb0] [c000000000c4a898] of_reconfig_notify+0x44/0xdc
> [ 7843.149160] [c0000013aed5fc20] [c000000000c4add4] of_detach_node+0x78/0xb0
> [ 7843.149165] [c0000013aed5fc70] [c0000000000f96a8] ofdt_write.part.0+0x86c/0xbb8
> [ 7843.149171] [c0000013aed5fce0] [c00000000069b4bc] proc_reg_write+0xf4/0x150
> [ 7843.149178] [c0000013aed5fd10] [c0000000005bfeb4] vfs_write+0xf8/0x488
> [ 7843.149184] [c0000013aed5fdc0] [c0000000005c0570] ksys_write+0x84/0x140
> [ 7843.149189] [c0000013aed5fe10] [c000000000033358] system_call_exception+0x138/0x330
> [ 7843.149196] [c0000013aed5fe50] [c00000000000d05c] system_call_vectored_common+0x15c/0x2ec
> [ 7843.149203] --- interrupt: 3000 at 0x20000433acb4
> [ 7843.149208] NIP: 000020000433acb4 LR: 0000000000000000 CTR: 0000000000000000
> [ 7843.149212] REGS: c0000013aed5fe80 TRAP: 3000 Tainted: G I (6.8.0-rc3-autotest-g99bd3cb0d12e)
> [ 7843.149217] MSR: 800000000280f033 <SF,VEC,VSX,EE,PR,FP,ME,IR,DR,RI,LE> CR: 42002408 XER: 00000000
> [ 7843.149227] IRQMASK: 0
> [ 7843.149227] GPR00: 0000000000000004 00007fffcde2d2c0 000000013a707f00 0000000000000006
> [ 7843.149227] GPR04: 00007fffcde2d368 0000000000000020 0000000000000000 0000000000000001
> [ 7843.149227] GPR08: 0000000000000020 0000000000000000 0000000000000000 0000000000000000
> [ 7843.149227] GPR12: 0000000000000000 000020000403b1e0 000000013a6df668 0000000000000006
> [ 7843.149227] GPR16: 0000000000000000 0000000000000002 0000000000000004 0000000000000005
> [ 7843.149227] GPR20: 000000013a700018 000000013a6df360 000000013a6dcb20 000000013a6dd918
> [ 7843.149227] GPR24: 000000013a6db178 00000001722028c8 00007fffcde2d7f8 00000001722028c8
> [ 7843.149227] GPR28: 000000013a6dc340 00007fffcde2d368 0000000000000006 0000000000000020
> [ 7843.149268] NIP [000020000433acb4] 0x20000433acb4
> [ 7843.149271] LR [0000000000000000] 0x0
> [ 7843.149274] --- interrupt: 3000
> [ 7843.149277] Code: 4082016c 2c3f0000 41820060 ebff0028 2c3f0000 41820054 e87f0018 2c230000 41820014 4890dc75 60000000 e93f0018 <0b090000> e87f0020 2c230000 4182000c
> [ 7843.149292] ---[ end trace 0000000000000000 ]---
>
>
> Regards,
> Venkat.
next parent reply other threads:[~2024-02-08 2:59 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <8d75ebd3-85c2-4a05-8eca-08f66f9411dc@linux.vnet.ibm.com>
2024-02-08 2:56 ` Venkat Rao Bagalkote [this message]
2024-02-08 5:53 ` [revert commit 83b3836bf83f09beea5f592b126cfdd1bc921e48] [mainline] [6.8.0-rc3]kernel BUG at arch/powerpc/platforms/pseries/iommu.c:100! Venkat Rao Bagalkote
[not found] <798229fe-906e-441b-b7a3-44c475cf1e9f@linux.vnet.ibm.com>
2024-02-07 16:32 ` Jason Gunthorpe
2024-02-13 16:16 ` Shivaprasad G Bhat
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=274e0d2b-b5cc-475e-94e6-8427e88e271d@linux.vnet.ibm.com \
--to=venkat88@linux.vnet.ibm.com \
--cc=iommu@lists.linux.dev \
--cc=jgg@nvidia.com \
--cc=robin.murphy@arm.com \
--cc=sbhat@linux.ibm.com \
--cc=will@kernel.org \
/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