linux-kernel - Re: Linux 5.17-rc2

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Date:   Sun, 30 Jan 2022 12:22:11 -0800
From:   Guenter Roeck <linux@...ck-us.net>
To:     Linus Torvalds <torvalds@...ux-foundation.org>
Cc:     Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: Linux 5.17-rc2

On Sun, Jan 30, 2022 at 03:48:42PM +0200, Linus Torvalds wrote:
> Another week, another -rc.
> 
> Nothing hugely surprising here - it's a bit on the bigger side for
> being an rc2, but maybe part of that is that there's a NFS client
> merge-window pull request that got merged late due to it having been
> marked as spam.
> 
> But more likely it's just the usual random fluctuation, with no deeper reason.
> 
> The stats are a bit unusual, with drivers being just a third of the
> patch. But that's hardly due to the nfs changes - they show up, but
> not nearly as much as all the arch updates. There's just a fair amount
> of random spread-out architecture fixes - kvm updates for both arm64
> and x86, but also misc perf event updates, powerpc and mips updates
> etc.
> 
> The rest is random other noise - documentation, networking, tooling.
> The appended shortlog gives an overview of the details.
> 
> Go forth and test, please,
> 

Build results:
	total: 155 pass: 151 fail: 4
Failed builds:
	arm64:allmodconfig
	ia64:tinyconfig
	mips:cavium_octeon_defconfig
	powerpc:skiroot_defconfig
Qemu test results:
	total: 488 pass: 480 fail: 8
Failed tests:
	arm:mcimx6ul-evk:imx_v6_v7_defconfig:nodrm:mem256:net,nic:net,nic:imx6ul-14x14-evk:initrd
	arm:mcimx6ul-evk:imx_v6_v7_defconfig:nodrm:sd:mem256:net,nic:net,nic:imx6ul-14x14-evk:rootfs
	arm:mcimx6ul-evk:imx_v6_v7_defconfig:nodrm:usb0:mem256:net,nic:net,nic:imx6ul-14x14-evk:rootfs
	arm:mcimx6ul-evk:imx_v6_v7_defconfig:nodrm:usb1:mem256:net,nic:net,nic:imx6ul-14x14-evk:rootfs
	arm:mcimx7d-sabre:imx_v6_v7_defconfig:nodrm:mem256:net,nic:imx7d-sdb:initrd
	arm:mcimx7d-sabre:imx_v6_v7_defconfig:nodrm:usb1:mem256:net,nic:imx7d-sdb:rootfs
	arm:mcimx7d-sabre:imx_v6_v7_defconfig:nodrm:sd:mem256:net,nic:imx7d-sdb:rootfs
	arm:orangepi-pc:multi_v7_defconfig:usb1:net,nic:sun8i-h3-orangepi-pc:rootfs

Details attached.

Guenter

---

Building arm64:allmodconfig ... failed
--------------
drivers/pinctrl/pinctrl-thunderbay.c: In function 'thunderbay_add_functions':
drivers/pinctrl/pinctrl-thunderbay.c:815:29: error: assignment discards 'const' qualifier from pointer target type

Fix posted at
https://lore.kernel.org/lkml/DM6PR11MB3660804C821D7CA7329B6CAFC45F9@DM6PR11MB3660.namprd11.prod.outlook.com/

---
Building ia64:tinyconfig ... failed
--------------
ia64-linux-ld: drivers/acpi/scan.o: in function `__acpi_device_add':
scan.c:(.text+0x27e2): undefined reference to `crc32_le'

Bisect points to commit 882c982dada4d5 ("acpi: Store CRC-32 hash
of the _PLD in struct acpi_device"). Problem is that ACPI now depends
on CRC32. No fix posted as far as I know.

---
Building mips:cavium_octeon_defconfig ... failed
--------------
arch/mips/cavium-octeon/octeon-memcpy.S: Assembler messages:
arch/mips/cavium-octeon/octeon-memcpy.S:187: Error: unrecognized opcode `ptr 9b,l_exc'

... and many more.

Bisect points to commit fa62f39dc7e2 (" MIPS: Fix build error due to PTR
used in more places") which replaces PTR with PTR_WD but misses one place
in the Cavium code. No fix posted as far as I know.

---
Building powerpc:skiroot_defconfig ... failed
--------------
arch/powerpc/kernel/stacktrace.c: In function 'handle_backtrace_ipi':
arch/powerpc/kernel/stacktrace.c:171:9: error: implicit declaration of function 'nmi_cpu_backtrace'

Introduced with commit 1614b2b11fab29 ("arch: Make ARCH_STACKWALK
independent of STACKTRACE"). Discussed at
https://lore.kernel.org/lkml/YeE2VWwHO50gFw9M@hirez.programming.kicks-ass.net/T/
No fix posted as far as I know.

---
Building arm:mcimx6ul-evk:imx_v6_v7_defconfig:nodrm:mem256:net,nic:net,nic:imx6ul-14x14-evk:initrd ... running .......R.... failed (crashed)

[   18.638198] Out of memory and no killable processes...
[   18.639419] Kernel panic - not syncing: System is deadlocked on memory

Bisect points to commit 721fb891ad0b ("mm/page_isolation: unset migratetype
directly for non Buddy page"). Fix (revert) posted at
https://lore.kernel.org/linux-mm/20220126211154.GA3371726@roeck-us.net/t/
but not applied.

---
Building arm:orangepi-pc:multi_v7_defconfig:usb1:net,nic:sun8i-h3-orangepi-pc:rootfs ... running ........R.... failed (no root file system)

Introduced with 8df89a7cbc63 ("pinctrl-sunxi: don't call
pinctrl_gpio_direction()"). Fix posted.

---
i386:q35:Westmere:defconfig:nosmp:nvme:net,i82562:hd:

WARNING: CPU: 0 PID: 23 at drivers/pci/msi/msi.c:1114 pci_irq_get_affinity+0x80/0x90

Only seen with i386, SMP disabled, when booting from nvme. Bisect points
to commit f48235900182(" PCI/MSI: Simplify pci_irq_get_affinity()").
No fix posted as far as I know.