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Date: Mon, 23 May 2022 13:13:09 +0200
From: Stefan Wahren <stefan.wahren@...e.com>
To: Naresh Kamboju <naresh.kamboju@...aro.org>,
open list <linux-kernel@...r.kernel.org>,
linux-rpi-kernel@...ts.infradead.org,
Linux ARM <linux-arm-kernel@...ts.infradead.org>,
lkft-triage@...ts.linaro.org, regressions@...ts.linux.dev
Cc: Nicolas Saenz Julienne <nsaenz@...nel.org>,
Broadcom internal kernel review list
<bcm-kernel-feedback-list@...adcom.com>,
Christophe JAILLET <christophe.jaillet@...adoo.fr>,
Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
Richard Fitzgerald <rf@...nsource.cirrus.com>,
rcu <rcu@...r.kernel.org>,
"Paul E. McKenney" <paulmck@...nel.org>,
linux-mmc <linux-mmc@...r.kernel.org>,
Phil Elwell <phil@...pberrypi.com>
Subject: Re: WARNING: CPU: 2 PID: 3331 at drivers/firmware/raspberrypi.c:63
rpi_firmware_property_list
Hi Naresh,
Am 23.05.22 um 11:04 schrieb Naresh Kamboju:
> The following kernel warning was noticed on raspberrypi4 device while
> running LTP controllers with Linus mainline kernel tree.
>
> Reported-by: Linux Kernel Functional Testing <lkft@...aro.org>
>
> metadata:
> git_ref: master
> git_repo: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
> git_sha: 4b0986a3613c92f4ec1bdc7f60ec66fea135991f
> git_describe: v5.18
> kernel_version: 5.18.0
> kernel-config: https://builds.tuxbuild.com/29XDpgnCMxtWJ6lVJ9M0x3hTNWu/config
> artifact-location: https://builds.tuxbuild.com/29XDpgnCMxtWJ6lVJ9M0x3hTNWu
> toolchain: gcc-11
> System.map: https://builds.tuxbuild.com/29XDpgnCMxtWJ6lVJ9M0x3hTNWu/System.map
> vmlinux.xz: https://builds.tuxbuild.com/29XDpgnCMxtWJ6lVJ9M0x3hTNWu/vmlinux.xz
thanks for your report.
Do you know this worked before (e.g. 5.17)?
Am i correct that you are using GPU firmware 2021-02-25T12:10:40?
>
> Steps to reproduce:
> # cd /opt/ltp
> # ./runltp -p -q -f controllers
>
> cgroup_fj_stress_blkio_1_200_one 1 TINFO: Attaching task 7221 to
> /sys/fs/cgroup/blkio/ltp/1/1/1/1/1/1/1/1/1/1/1/1/1/1/1/1/1/1/1/1/1/1/1/1/1/1/1/1/1/1/1/1/1
> cgroup_fj_stress_blkio_1_200_one 1 TINFO: Attaching task 7221 to
> /sys/fs/cgroup/blkio/ltp/1/1/1/1/1/1/1/1/1/1/1/1/1/1/1/1/1/1/1/1/1/1/1/1/1/1/1/1/1/1/1/1/1/1
> cgroup_fj_stress_blkio_1_200_one 1 TINFO: Attaching task 7221 to
> /sys/fs/cgroup/blkio/ltp/1/1/1/1/1/1/1/1/1/1/1/1/1/1/1/1/1/1/1/1/1/1/1/1/1/1/1/1/1/1/1/1/1/1/1
> [ 2442.255887] ------------[ cut here ]------------
> [ 2442.260615] Firmware transaction timeout
> [ 2442.260704] WARNING: CPU: 2 PID: 3331 at
> drivers/firmware/raspberrypi.c:63
> rpi_firmware_property_list+0x1e8/0x270
> [ 2442.275114] Modules linked in: btrfs blake2b_generic libcrc32c
> raid6_pq zstd_compress brcmfmac xhci_pci brcmutil snd_soc_hdmi_codec
> xhci_pci_renesas raspberrypi_cpufreq hci_uart btqca btbcm vc4 cfg80211
> bluetooth cec drm_cma_helper rfkill drm_kms_helper reset_raspberrypi
> clk_raspberrypi crct10dif_ce raspberrypi_hwmon drm pwm_bcm2835
> iproc_rng200 pcie_brcmstb i2c_bcm2835 rng_core bcm2711_thermal fuse
> [ 2442.311148] CPU: 2 PID: 3331 Comm: kworker/2:2 Not tainted 5.18.0 #1
> [ 2442.317599] Hardware name: Raspberry Pi 4 Model B (DT)
> [ 2442.322810] Workqueue: events get_values_poll [raspberrypi_hwmon]
> [ 2442.329007] pstate: 60000005 (nZCv daif -PAN -UAO -TCO -DIT -SSBS BTYPE=--)
> [ 2442.336074] pc : rpi_firmware_property_list+0x1e8/0x270
> [ 2442.341381] lr : rpi_firmware_property_list+0x1e8/0x270
> [ 2442.346685] sp : ffff800010d63cc0
> [ 2442.350043] x29: ffff800010d63cc0 x28: 0000000000000000 x27: ffff0000419d0540
> [ 2442.357297] x26: 0000000000000011 x25: ffff80000afdd008 x24: 0000000000001000
> [ 2442.364547] x23: ffff000061ce9300 x22: ffff80000ac330b0 x21: ffff0000419d0500
> [ 2442.371797] x20: 0000000000000010 x19: ffff80000afdd000 x18: ffffffffffffffff
> [ 2442.379046] x17: 0000000000000000 x16: 0000000000000000 x15: ffff800090d63937
> [ 2442.386295] x14: ffff80000a912dd0 x13: 74756f656d697420 x12: 6e6f69746361736e
> [ 2442.393544] x11: ffff80000a8b1ce8 x10: ffff80000a91c178 x9 : ffff80000811d524
> [ 2442.400794] x8 : 00000000ffffefff x7 : ffff80000a909cf8 x6 : 0000000000000001
> [ 2442.408044] x5 : ffff80000a88f000 x4 : ffff80000a88f2c0 x3 : 0000000000000000
> [ 2442.415293] x2 : 0000000000000000 x1 : 0000000000000000 x0 : ffff000062921040
> [ 2442.422543] Call trace:
> [ 2442.425020] rpi_firmware_property_list+0x1e8/0x270
> [ 2442.429973] rpi_firmware_property+0x7c/0xc0
> [ 2442.434308] get_values_poll+0x54/0x120 [raspberrypi_hwmon]
> [ 2442.439967] process_one_work+0x1dc/0x450
> [ 2442.444045] worker_thread+0x154/0x450
> [ 2442.447850] kthread+0x100/0x110
> [ 2442.451126] ret_from_fork+0x10/0x20
> [ 2442.454760] ---[ end trace 0000000000000000 ]---
> [ 2442.471909] hwmon hwmon1: Failed to get throttled (-110)
> [ 2443.499865] raspberrypi-clk soc:firmware:clocks: Failed to change
> fw-clk-arm frequency: -110
> [ 2446.575893] raspberrypi-clk soc:firmware:clocks: Failed to change
> fw-clk-arm frequency: -110
> [ 2450.915855] mmc1: Timeout waiting for hardware cmd interrupt.
> [ 2450.921693] mmc1: sdhci: ============ SDHCI REGISTER DUMP ===========
> [ 2450.928227] mmc1: sdhci: Sys addr: 0x00000008 | Version: 0x00001002
> [ 2450.934763] mmc1: sdhci: Blk size: 0x00007200 | Blk cnt: 0x00000000
> [ 2450.941297] mmc1: sdhci: Argument: 0xaaaa0000 | Trn mode: 0x00000033
> [ 2450.947830] mmc1: sdhci: Present: 0x1fff0000 | Host ctl: 0x00000017
> [ 2450.954362] mmc1: sdhci: Power: 0x0000000f | Blk gap: 0x00000080
> [ 2450.960896] mmc1: sdhci: Wake-up: 0x00000000 | Clock: 0x00000107
> [ 2450.967429] mmc1: sdhci: Timeout: 0x00000000 | Int stat: 0x00000001
> [ 2450.973960] mmc1: sdhci: Int enab: 0x03ff100b | Sig enab: 0x03ff100b
> [ 2450.980493] mmc1: sdhci: ACmd stat: 0x00000000 | Slot int: 0x00000001
> [ 2450.987025] mmc1: sdhci: Caps: 0x45ee6432 | Caps_1: 0x0000a525
> [ 2450.993558] mmc1: sdhci: Cmd: 0x00000d1a | Max curr: 0x00080008
> [ 2451.000091] mmc1: sdhci: Resp[0]: 0x00000900 | Resp[1]: 0x0076b27f
> [ 2451.006624] mmc1: sdhci: Resp[2]: 0x325b5900 | Resp[3]: 0x00000900
> [ 2451.013155] mmc1: sdhci: Host ctl2: 0x0000808c
> [ 2451.017659] mmc1: sdhci: ADMA Err: 0x00000000 | ADMA Ptr: 0xc3400208
> [ 2451.024191] mmc1: sdhci: ============================================
> [ 2452.679889] raspberrypi-clk soc:firmware:clocks: Failed to change
> fw-clk-arm frequency: -110
> [ 2455.763879] raspberrypi-clk soc:firmware:clocks: Failed to change
> fw-clk-arm frequency: -110
> [ 2460.759844] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
> [ 2460.766034] rcu: 1-...!: (1 GPs behind)
> idle=add/1/0x4000000000000000 softirq=481373/481374 fqs=23
> [ 2460.775311] (detected by 3, t=5253 jiffies, g=915057, q=822)
> [ 2460.781141] Task dump for CPU 1:
> [ 2460.784411] task:cgroup_fj_stres state:R running task stack:
> 0 pid: 6806 ppid: 501 flags:0x00000200
> [ 2460.794483] Call trace:
> [ 2460.796958] __switch_to+0x104/0x160
> [ 2460.800595] 0xffff0000403cff00
> [ 2460.803782] rcu: rcu_preempt kthread timer wakeup didn't happen for
> 5216 jiffies! g915057 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402
> [ 2460.815430] rcu: Possible timer handling issue on cpu=0 timer-softirq=161506
> [ 2460.822667] rcu: rcu_preempt kthread starved for 5222 jiffies!
> g915057 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->cpu=0
> [ 2460.833345] rcu: Unless rcu_preempt kthread gets sufficient CPU
> time, OOM is now expected behavior.
> [ 2460.842606] rcu: RCU grace-period kthread stack dump:
> [ 2460.847726] task:rcu_preempt state:I stack: 0 pid: 15
> ppid: 2 flags:0x00000008
> [ 2460.856203] Call trace:
> [ 2460.858678] __switch_to+0x104/0x160
> [ 2460.862305] __schedule+0x314/0x8ac
> [ 2460.865843] schedule+0x5c/0xd4
> [ 2460.869028] schedule_timeout+0xa4/0x1c4
> [ 2460.873010] rcu_gp_fqs_loop+0x140/0x520
> [ 2460.876998] rcu_gp_kthread+0x1a8/0x25c
> [ 2460.880891] kthread+0x100/0x110
> [ 2460.884167] ret_from_fork+0x10/0x20
> [ 2460.887796] rcu: Stack dump where RCU GP kthread last ran:
> [ 2460.893357] Task dump for CPU 0:
> [ 2460.896624] task:swapper/0 state:R running task stack:
> 0 pid: 0 ppid: 0 flags:0x0000000a
> [ 2460.906690] Call trace:
> [ 2460.909165] __switch_to+0x104/0x160
> [ 2460.912791] 0x0
> [ 2461.159863] mmc1: Timeout waiting for hardware cmd interrupt.
> [ 2461.165699] mmc1: sdhci: ============ SDHCI REGISTER DUMP ===========
> [ 2461.172231] mmc1: sdhci: Sys addr: 0x00000008 | Version: 0x00001002
> [ 2461.178763] mmc1: sdhci: Blk size: 0x00007200 | Blk cnt: 0x00000000
> [ 2461.185294] mmc1: sdhci: Argument: 0xaaaa0000 | Trn mode: 0x00000033
> [ 2461.191826] mmc1: sdhci: Present: 0x1fff0000 | Host ctl: 0x00000017
> [ 2461.198358] mmc1: sdhci: Power: 0x0000000f | Blk gap: 0x00000080
> [ 2461.204887] mmc1: sdhci: Wake-up: 0x00000000 | Clock: 0x00000107
> [ 2461.211419] mmc1: sdhci: Timeout: 0x00000000 | Int stat: 0x00000001
> [ 2461.217951] mmc1: sdhci: Int enab: 0x03ff100b | Sig enab: 0x03ff100b
> [ 2461.224483] mmc1: sdhci: ACmd stat: 0x00000000 | Slot int: 0x00000001
> [ 2461.231013] mmc1: sdhci: Caps: 0x45ee6432 | Caps_1: 0x0000a525
> [ 2461.237543] mmc1: sdhci: Cmd: 0x00000d1a | Max curr: 0x00080008
> [ 2461.244073] mmc1: sdhci: Resp[0]: 0x00000900 | Resp[1]: 0x0076b27f
> [ 2461.250604] mmc1: sdhci: Resp[2]: 0x325b5900 | Resp[3]: 0x00000900
> [ 2461.257135] mmc1: sdhci: Host ctl2: 0x0000808c
> [ 2461.261639] mmc1: sdhci: ADMA Err: 0x00000000 | ADMA Ptr: 0xc3400208
> [ 2461.268169] mmc1: sdhci: ============================================
> [ 2462.019897] raspberrypi-clk soc:firmware:clocks: Failed to change
> fw-clk-arm frequency: -110
> [ 2471.403852] mmc1: Timeout waiting for hardware cmd interrupt.
> [ 2471.409689] mmc1: sdhci: ============ SDHCI REGISTER DUMP ===========
> [ 2471.416219] mmc1: sdhci: Sys addr: 0x00000008 | Version: 0x00001002
> [ 2471.422751] mmc1: sdhci: Blk size: 0x00007200 | Blk cnt: 0x00000000
> [ 2471.429282] mmc1: sdhci: Argument: 0xaaaa0000 | Trn mode: 0x00000033
> [ 2471.435814] mmc1: sdhci: Present: 0x1fff0000 | Host ctl: 0x00000017
> [ 2471.442345] mmc1: sdhci: Power: 0x0000000f | Blk gap: 0x00000080
> [ 2471.448876] mmc1: sdhci: Wake-up: 0x00000000 | Clock: 0x00000107
> [ 2471.455407] mmc1: sdhci: Timeout: 0x00000000 | Int stat: 0x00000001
> [ 2471.461938] mmc1: sdhci: Int enab: 0x03ff100b | Sig enab: 0x03ff100b
> [ 2471.468469] mmc1: sdhci: ACmd stat: 0x00000000 | Slot int: 0x00000001
> [ 2471.474998] mmc1: sdhci: Caps: 0x45ee6432 | Caps_1: 0x0000a525
> [ 2471.481529] mmc1: sdhci: Cmd: 0x00000d1a | Max curr: 0x00080008
> [ 2471.488061] mmc1: sdhci: Resp[0]: 0x00000900 | Resp[1]: 0x0076b27f
> [ 2471.494592] mmc1: sdhci: Resp[2]: 0x325b5900 | Resp[3]: 0x00000900
> [ 2471.501122] mmc1: sdhci: Host ctl2: 0x0000808c
> [ 2471.505624] mmc1: sdhci: ADMA Err: 0x00000000 | ADMA Ptr: 0xc3400208
> [ 2471.512155] mmc1: sdhci: ============================================
> [ 2481.647850] mmc1: Timeout waiting for hardware cmd interrupt.
> [ 2481.653680] mmc1: sdhci: ============ SDHCI REGISTER DUMP ===========
> [ 2481.660211] mmc1: sdhci: Sys addr: 0x00000008 | Version: 0x00001002
> [ 2481.666742] mmc1: sdhci: Blk size: 0x00007200 | Blk cnt: 0x00000000
> [ 2481.673273] mmc1: sdhci: Argument: 0xaaaa0000 | Trn mode: 0x00000033
> [ 2481.679804] mmc1: sdhci: Present: 0x1fff0000 | Host ctl: 0x00000017
> [ 2481.686335] mmc1: sdhci: Power: 0x0000000f | Blk gap: 0x00000080
> [ 2481.692866] mmc1: sdhci: Wake-up: 0x00000000 | Clock: 0x00000107
> [ 2481.699397] mmc1: sdhci: Timeout: 0x00000000 | Int stat: 0x00000001
> [ 2481.705928] mmc1: sdhci: Int enab: 0x03ff100b | Sig enab: 0x03ff100b
> [ 2481.712459] mmc1: sdhci: ACmd stat: 0x00000000 | Slot int: 0x00000001
> [ 2481.718988] mmc1: sdhci: Caps: 0x45ee6432 | Caps_1: 0x0000a525
> [ 2481.725519] mmc1: sdhci: Cmd: 0x00000d1a | Max curr: 0x00080008
> [ 2481.732050] mmc1: sdhci: Resp[0]: 0x00000900 | Resp[1]: 0x0076b27f
> [ 2481.738581] mmc1: sdhci: Resp[2]: 0x325b5900 | Resp[3]: 0x00000900
> [ 2481.745111] mmc1: sdhci: Host ctl2: 0x0000808c
> [ 2481.749613] mmc1: sdhci: ADMA Err: 0x00000000 | ADMA Ptr: 0xc3400208
> [ 2481.756143] mmc1: sdhci: ============================================
> [ 2481.763349] mmc1: card aaaa removed
> [ 2523.923843] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
> [ 2523.930032] rcu: 1-...0: (1 GPs behind)
> idle=add/1/0x4000000000000000 softirq=481373/481374 fqs=3169
> [ 2523.939484] (detected by 3, t=21044 jiffies, g=915057, q=1474)
> [ 2523.945491] Task dump for CPU 1:
> [ 2523.948761] task:cgroup_fj_stres state:R running task stack:
> 0 pid: 6806 ppid: 501 flags:0x00000202
> [ 2523.958831] Call trace:
> [ 2523.961307] __switch_to+0x104/0x160
> [ 2523.964942] 0xffff0000403cff00
>
> Full test log,
> https://lkft.validation.linaro.org/scheduler/job/5075973
>
> --
> Linaro LKFT
> https://lkft.linaro.org
>
> _______________________________________________
> linux-arm-kernel mailing list
> linux-arm-kernel@...ts.infradead.org
> http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
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