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New: Kernel 5.10.129 fails to boot on a Talos 2 with HASH MMU (PPC_RADIX_MMU not set) with CONFIG_PAGE_POISONING=y

Bug 216238 [email protected] 1 participant 3 messages Jul 11, 2022

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https://bugzilla.kernel.org/show_bug.cgi?id=216238

Bug ID: 216238
Summary: Kernel 5.10.129 fails to boot on a Talos 2 with HASH
MMU (PPC_RADIX_MMU not set) with CONFIG_PAGE_POISONING=y
Product: Platform Specific/Hardware
Version: 2.5
Kernel Version: 5.10.129
Hardware: PPC-64
OS: Linux
Tree: Mainline
Status: NEW
Severity: normal
Priority: P1
Component: PPC-64
Assignee: [email protected]
Reporter: [email protected]
Regression: No

Created attachment 301393
--> https://bugzilla.kernel.org/attachment.cgi?id=301393&action=edit
kernel dmesg (kernel 5.19-rc4, without PAGE_POISONING, Talos II)

Found that out during investigating bug #216183 closer.

On kernel 5.10.x LTS the Talos 2 boots fine with HASH MMU used. But the same kernel .config fails to boot when CONFIG_PAGE_POISONING=y is set and used. I get no netconsole output then, only a reboot after a while.

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#1 lore raw

[Bug 216238] Kernel 5.10.129 fails to boot on a Talos 2 with HASH MMU (PPC_RADIX_MMU not set) with CONFIG_PAGE_POISONING=y

https://bugzilla.kernel.org/show_bug.cgi?id=216238

--- Comment #1 from Erhard F. ([email protected]) --- Created attachment 301394
--> https://bugzilla.kernel.org/attachment.cgi?id=301394&action=edit
kernel .config (kernel 5.10.129, with PAGE_POISONING, Talos II)

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#2 lore raw

[Bug 216238] Kernel 5.10.129 fails to boot on a Talos 2 with HASH MMU (PPC_RADIX_MMU not set) with CONFIG_PAGE_POISONING=y

In reply to [email protected]

https://bugzilla.kernel.org/show_bug.cgi?id=216238

--- Comment #2 from Erhard F. ([email protected]) --- Some data about the machine:

 # inxi -bZ
System:
  Host: T1000 Kernel: 5.10.129-gentoo-P9 ppc64 bits: 64 Console: pty pts/0
    Distro: Gentoo Base System release 2.8
Machine:
  Type: PPC System: T2P9D01 REV 1.01 details: N/A
CPU:
  Info: 2x 4-core POWER9 altivec supported [MT MCP SMP] speed (MHz):
    avg: 2561 min/max: 2154/3800
Graphics:
  Device-1: AMD Turks XT [Radeon HD 6670/7670] driver: radeon v: kernel
  Device-2: ASPEED Graphics Family driver: N/A
  Display: x11 server: X.Org 21.1.1 driver: loaded: radeon
    resolution: 1440x900~60Hz
  OpenGL: renderer: llvmpipe (LLVM 14.0.4 128 bits) v: 4.5 Mesa 22.0.5
Network:
  Device-1: Broadcom NetXtreme BCM5719 Gigabit Ethernet PCIe driver: tg3
  Device-2: Broadcom NetXtreme BCM5719 Gigabit Ethernet PCIe driver: tg3
Drives:
  Local Storage: total: 447.13 GiB used: 10.69 GiB (2.4%)
Info:
  Processes: 345 Uptime: 2h 18m Memory: 61.78 GiB used: 1.06 GiB (1.7%)
  Shell: Bash inxi: 3.3.12
 # /home/ef # lspci 
0000:00:00.0 PCI bridge: IBM POWER9 Host Bridge (PHB4)
0000:01:00.0 VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI]
Turks XT [Radeon HD 6670/7670]
0000:01:00.1 Audio device: Advanced Micro Devices, Inc. [AMD/ATI] Turks HDMI
Audio [Radeon HD 6500/6600 / 6700M Series]
0001:00:00.0 PCI bridge: IBM POWER9 Host Bridge (PHB4)
0001:01:00.0 Non-Volatile memory controller: Phison Electronics Corporation
Device 5008 (rev 01)
0002:00:00.0 PCI bridge: IBM POWER9 Host Bridge (PHB4)
0003:00:00.0 PCI bridge: IBM POWER9 Host Bridge (PHB4)
0003:01:00.0 USB controller: Texas Instruments TUSB73x0 SuperSpeed USB 3.0 xHCI
Host Controller (rev 02)
0004:00:00.0 PCI bridge: IBM POWER9 Host Bridge (PHB4)
0004:01:00.0 Ethernet controller: Broadcom Inc. and subsidiaries NetXtreme
BCM5719 Gigabit Ethernet PCIe (rev 01)
0004:01:00.1 Ethernet controller: Broadcom Inc. and subsidiaries NetXtreme
BCM5719 Gigabit Ethernet PCIe (rev 01)
0005:00:00.0 PCI bridge: IBM POWER9 Host Bridge (PHB4)
0005:01:00.0 PCI bridge: ASPEED Technology, Inc. AST1150 PCI-to-PCI Bridge (rev
04)
0005:02:00.0 VGA compatible controller: ASPEED Technology, Inc. ASPEED Graphics
Family (rev 41)
0030:00:00.0 PCI bridge: IBM POWER9 Host Bridge (PHB4)
0031:00:00.0 PCI bridge: IBM POWER9 Host Bridge (PHB4)
0032:00:00.0 PCI bridge: IBM POWER9 Host Bridge (PHB4)
0033:00:00.0 PCI bridge: IBM POWER9 Host Bridge (PHB4)
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