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From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To: Florian Fainelli <f.fainelli@gmail.com>
Cc: linux-kernel@vger.kernel.org, torvalds@linux-foundation.org,
	akpm@linux-foundation.org, linux@roeck-us.net, shuah@kernel.org,
	patches@kernelci.org, lkft-triage@lists.linaro.org,
	pavel@denx.de, jonathanh@nvidia.com, stable@vger.kernel.org
Subject: Re: [PATCH 5.4 00/37] 5.4.121-rc1 review
Date: Sat, 22 May 2021 11:39:39 +0200	[thread overview]
Message-ID: <YKjRWydp1bRV3SjP@kroah.com> (raw)
In-Reply-To: <0a9f8458-60a4-e87a-04cb-ed2840d15bbf@gmail.com>

On Thu, May 20, 2021 at 09:39:26PM -0700, Florian Fainelli wrote:
> 
> 
> On 5/20/2021 2:22 AM, Greg Kroah-Hartman wrote:
> > This is the start of the stable review cycle for the 5.4.121 release.
> > There are 37 patches in this series, all will be posted as a response
> > to this one.  If anyone has any issues with these being applied, please
> > let me know.
> > 
> > Responses should be made by Sat, 22 May 2021 09:20:38 +0000.
> > Anything received after that time might be too late.
> > 
> > The whole patch series can be found in one patch at:
> > 	https://www.kernel.org/pub/linux/kernel/v5.x/stable-review/patch-5.4.121-rc1.gz
> > or in the git tree and branch at:
> > 	git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git linux-5.4.y
> > and the diffstat can be found below.
> > 
> > thanks,
> > 
> > greg k-h
> 
> 
> Was not able to bisect yet since the nightly tests were running but one
> of our boards caught the following running an ARM 32-bit kernel. The
> same board did not reproduce that warning a second time around, I will
> keep an eye on it. Other than that, everything went well.
> 
> There are no change to RCU, scheduler or kthreads but we do make SMC
> calls for SCMI (power management) so my guess would be that "ARM:
> 9075/1: kernel: Fix interrupted SMC calls" would trigger that. We have
> 15 other boards that run the same configuration but did not catch that.
> 
> # sleep 5
> [   16.864190] bcmgenet 47d580000.ethernet eth0: Link is Up - 1Gbps/Full
> - flow control off
> [   17.568981] ------------[ cut here ]------------
> [   17.573669] WARNING: CPU: 0 PID: 10 at kernel/kthread.c:75
> kthread_is_per_cpu+0x4c/0x50
> [   17.581669] Modules linked in:
> [   17.584726] CPU: 0 PID: 10 Comm: rcu_sched Not tainted
> 5.4.121-1.1pre-g5cdf7521a963 #2
> [   17.592638] Hardware name: Broadcom STB (Flattened Device Tree)
> [   17.598553] Backtrace:
> [   17.601014] [<c0bf79f0>] (dump_backtrace) from [<c0bf7c90>]
> (show_stack+0x20/0x24)
> [   17.608581]  r7:0000004b r6:600b0093 r5:00000000 r4:c20a99d0
> [   17.614244] [<c0bf7c70>] (show_stack) from [<c0c04f48>]
> (dump_stack+0x9c/0xb0)
> [   17.621477] [<c0c04eac>] (dump_stack) from [<c0224b58>]
> (__warn+0xe0/0x108)
> [   17.628432]  r7:0000004b r6:00000009 r5:c0248f64 r4:c0f429cc
> [   17.634087] [<c0224a78>] (__warn) from [<c0bf83b8>]
> (warn_slowpath_fmt+0x70/0xc0)
> [   17.641564]  r7:0000004b r6:c0f429cc r5:c2004c88 r4:00000000
> [   17.647219] [<c0bf834c>] (warn_slowpath_fmt) from [<c0248f64>]
> (kthread_is_per_cpu+0x4c/0x50)
> [   17.655739]  r9:00000000 r8:ceff4200 r7:ceff4200 r6:d05dca5c
> r5:d05dc480 r4:ceff4200
> [   17.663485] [<c0248f18>] (kthread_is_per_cpu) from [<c0259a34>]
> (can_migrate_task+0x1ec/0x24c)
> [   17.672091]  r5:d05dc480 r4:ced25d14
> [   17.675661] [<c0259848>] (can_migrate_task) from [<c025e820>]
> (load_balance+0x394/0xa64)
> [   17.683747]  r10:d05dc480 r9:00000000 r8:d05dca5c r7:ceff4200
> r6:d05dca5c r5:d05dc480
> [   17.691571]  r4:ceff4298 r3:00000200
> [   17.695140] [<c025e48c>] (load_balance) from [<c025fa60>]
> (newidle_balance+0x214/0x508)
> [   17.703140]  r10:d05a3b50 r9:17309672 r8:00000000 r7:c2004cf8
> r6:fffbb4a9 r5:d05a3480
> [   17.710963]  r4:cee6d100
> [   17.713491] [<c025f84c>] (newidle_balance) from [<c025fdc0>]
> (pick_next_task_fair+0x30/0x338)
> [   17.722011]  r10:c0e02774 r9:ced25e54 r8:d059c440 r7:c1f3f480
> r6:ced03600 r5:ced25e54
> [   17.729834]  r4:d05a3480
> [   17.732364] [<c025fd90>] (pick_next_task_fair) from [<c0c08e20>]
> (__schedule+0x120/0x5f8)
> [   17.740537]  r7:c1f3f480 r6:c0e027d4 r5:ced03600 r4:d05a3480
> [   17.746190] [<c0c08d00>] (__schedule) from [<c0c09350>]
> (schedule+0x58/0xd4)
> [   17.753233]  r10:fffbb0c1 r9:d059c440 r8:d059c440 r7:ced25eac
> r6:c2003d00 r5:ced03600
> [   17.761057]  r4:ffffe000
> [   17.763586] [<c0c092f8>] (schedule) from [<c0c0d77c>]
> (schedule_timeout+0x194/0x3a0)
> [   17.771323]  r5:c2004c88 r4:fffbb0c4
> [   17.774901] [<c0c0d5e8>] (schedule_timeout) from [<c0297de4>]
> (rcu_gp_kthread+0x650/0x1300)
> [   17.783247]  r10:c2015900 r9:c2015c64 r8:00000005 r7:c2003d00
> r6:c2015a40 r5:00000000
> [   17.791071]  r4:00000003
> [   17.793598] [<c0297794>] (rcu_gp_kthread) from [<c0248890>]
> (kthread+0x170/0x174)
> [   17.801075]  r7:ced24000
> [   17.803606] [<c0248720>] (kthread) from [<c02010d8>]
> (ret_from_fork+0x14/0x3c)
> [   17.810823] Exception stack(0xced25fb0 to 0xced25ff8)
> [   17.815868] 5fa0:                                     00000000
> 00000000 00000000 00000000
> [   17.824042] 5fc0: 00000000 00000000 00000000 00000000 00000000
> 00000000 00000000 00000000
> [   17.832214] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000
> [   17.838822]  r10:00000000 r9:00000000 r8:00000000 r7:00000000
> r6:00000000 r5:c0248720
> [   17.846646]  r4:cece8980
> [   17.849171] ---[ end trace ccac79dc167b02d7 ]---
> # ping -c 2 192.168.1.254
> PING 192.168.1.254 (192.168.1.254): 56 data bytes
> 64 bytes from 192.168.1.254: seq=0 ttl=64 time=0.636 ms
> 64 bytes from 192.168.1.254: seq=1 ttl=64 time=0.310 ms

Odd.  Let me know if you can bisect this down to an offending commit.

thanks,

greg k-h

  reply	other threads:[~2021-05-22  9:39 UTC|newest]

Thread overview: 44+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-05-20  9:22 [PATCH 5.4 00/37] 5.4.121-rc1 review Greg Kroah-Hartman
2021-05-20  9:22 ` [PATCH 5.4 01/37] x86/msr: Fix wr/rdmsr_safe_regs_on_cpu() prototypes Greg Kroah-Hartman
2021-05-20  9:22 ` [PATCH 5.4 02/37] kgdb: fix gcc-11 warning on indentation Greg Kroah-Hartman
2021-05-20  9:22 ` [PATCH 5.4 03/37] usb: sl811-hcd: improve misleading indentation Greg Kroah-Hartman
2021-05-20  9:22 ` [PATCH 5.4 04/37] cxgb4: Fix the -Wmisleading-indentation warning Greg Kroah-Hartman
2021-05-20  9:22 ` [PATCH 5.4 05/37] isdn: capi: fix mismatched prototypes Greg Kroah-Hartman
2021-05-20  9:22 ` [PATCH 5.4 06/37] pinctrl: ingenic: Improve unreachable code generation Greg Kroah-Hartman
2021-05-20  9:22 ` [PATCH 5.4 07/37] xsk: Simplify detection of empty and full rings Greg Kroah-Hartman
2021-05-20  9:22 ` [PATCH 5.4 08/37] virtio_net: Do not pull payload in skb->head Greg Kroah-Hartman
2021-05-20  9:22 ` [PATCH 5.4 09/37] ARM: 9058/1: cache-v7: refactor v7_invalidate_l1 to avoid clobbering r5/r6 Greg Kroah-Hartman
2021-05-20  9:22 ` [PATCH 5.4 10/37] PCI: thunder: Fix compile testing Greg Kroah-Hartman
2021-05-20  9:22 ` [PATCH 5.4 11/37] dmaengine: dw-edma: Fix crash on loading/unloading driver Greg Kroah-Hartman
2021-05-20  9:22 ` [PATCH 5.4 12/37] ARM: 9066/1: ftrace: pause/unpause function graph tracer in cpu_suspend() Greg Kroah-Hartman
2021-05-20  9:22 ` [PATCH 5.4 13/37] ACPI / hotplug / PCI: Fix reference count leak in enable_slot() Greg Kroah-Hartman
2021-05-20  9:22 ` [PATCH 5.4 14/37] Input: elants_i2c - do not bind to i2c-hid compatible ACPI instantiated devices Greg Kroah-Hartman
2021-05-20  9:22 ` [PATCH 5.4 15/37] Input: silead - add workaround for x86 BIOS-es which bring the chip up in a stuck state Greg Kroah-Hartman
2021-05-20  9:22 ` [PATCH 5.4 16/37] um: Mark all kernel symbols as local Greg Kroah-Hartman
2021-05-20  9:22 ` [PATCH 5.4 17/37] um: Disable CONFIG_GCOV with MODULES Greg Kroah-Hartman
2021-05-20  9:22 ` [PATCH 5.4 18/37] ARM: 9075/1: kernel: Fix interrupted SMC calls Greg Kroah-Hartman
2021-05-20  9:22 ` [PATCH 5.4 19/37] scripts/recordmcount.pl: Fix RISC-V regex for clang Greg Kroah-Hartman
2021-05-20  9:22 ` [PATCH 5.4 20/37] riscv: Workaround mcount name prior to clang-13 Greg Kroah-Hartman
2021-05-20  9:22 ` [PATCH 5.4 21/37] scsi: lpfc: Fix illegal memory access on Abort IOCBs Greg Kroah-Hartman
2021-05-20  9:22 ` [PATCH 5.4 22/37] ceph: fix fscache invalidation Greg Kroah-Hartman
2021-05-20  9:22 ` [PATCH 5.4 23/37] scsi: target: tcmu: Return from tcmu_handle_completions() if cmd_id not found Greg Kroah-Hartman
2021-05-20  9:22 ` [PATCH 5.4 24/37] bridge: Fix possible races between assigning rx_handler_data and setting IFF_BRIDGE_PORT bit Greg Kroah-Hartman
2021-05-20  9:22 ` [PATCH 5.4 25/37] drm/amd/display: Fix two cursor duplication when using overlay Greg Kroah-Hartman
2021-05-20  9:22 ` [PATCH 5.4 26/37] gpiolib: acpi: Add quirk to ignore EC wakeups on Dell Venue 10 Pro 5055 Greg Kroah-Hartman
2021-05-20  9:22 ` [PATCH 5.4 27/37] ALSA: hda: generic: change the DAC ctl name for LO+SPK or LO+HP Greg Kroah-Hartman
2021-05-20  9:22 ` [PATCH 5.4 28/37] block: reexpand iov_iter after read/write Greg Kroah-Hartman
2021-05-20  9:22 ` [PATCH 5.4 29/37] lib: stackdepot: turn depot_lock spinlock to raw_spinlock Greg Kroah-Hartman
2021-05-20  9:22 ` [PATCH 5.4 30/37] net: stmmac: Do not enable RX FIFO overflow interrupts Greg Kroah-Hartman
2021-05-20  9:22 ` [PATCH 5.4 31/37] ip6_gre: proper dev_{hold|put} in ndo_[un]init methods Greg Kroah-Hartman
2021-05-20  9:22 ` [PATCH 5.4 32/37] sit: " Greg Kroah-Hartman
2021-05-20  9:22 ` [PATCH 5.4 33/37] ip6_tunnel: " Greg Kroah-Hartman
2021-05-20  9:22 ` [PATCH 5.4 34/37] ipv6: remove extra dev_hold() for fallback tunnels Greg Kroah-Hartman
2021-05-20  9:22 ` [PATCH 5.4 35/37] KVM: arm64: Initialize VCPU mdcr_el2 before loading it Greg Kroah-Hartman
2021-05-20  9:22 ` [PATCH 5.4 36/37] tweewide: Fix most Shebang lines Greg Kroah-Hartman
2021-05-20  9:22 ` [PATCH 5.4 37/37] scripts: switch explicitly to Python 3 Greg Kroah-Hartman
2021-05-20 21:44 ` [PATCH 5.4 00/37] 5.4.121-rc1 review Shuah Khan
2021-05-20 22:53 ` Guenter Roeck
2021-05-21  4:39 ` Florian Fainelli
2021-05-22  9:39   ` Greg Kroah-Hartman [this message]
2021-05-21  5:23 ` Naresh Kamboju
2021-05-21 18:21 ` Sudip Mukherjee

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