* [next] db845c: WARNING: CPU: 5 PID: 8 at drivers/clk/clk-divider.c:139 divider_recalc_rate
@ 2022-03-31 12:03 Naresh Kamboju
2022-03-31 22:04 ` Stephen Boyd
2022-04-01 15:10 ` Maxime Ripard
0 siblings, 2 replies; 8+ messages in thread
From: Naresh Kamboju @ 2022-03-31 12:03 UTC (permalink / raw)
To: linux-clk,
open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS,
linux-stm32, Linux ARM, open list, lkft-triage, regressions
Cc: gabriel.fernandez, Michael Turquette, Stephen Boyd, Rob Herring,
Krzysztof Kozlowski, Maxime Coquelin, Alexandre Torgue,
Philipp Zabel, Nicolas Dechesne
Following kernel warning noticed on db845c while booting linux next-20220331.
metadata:
git_ref: master
git_repo: https://gitlab.com/Linaro/lkft/mirrors/next/linux-next
git_sha: fdcbcd1348f4ef713668bae1b0fa9774e1811205
git_describe: next-20220331
kernel_version: 5.17.0
kernel-config: https://builds.tuxbuild.com/278RLnhgJL7XdlJbcbv07jiwbYB/config
Boot log:
[ 0.000000] Booting Linux on physical CPU 0x0000000000 [0x517f803c]
[ 0.000000] Linux version 5.17.0-next-20220331 (tuxmake@tuxmake)
(aarch64-linux-gnu-gcc (Debian 11.2.0-18) 11.2.0, GNU ld (GNU Binutils
for Debian) 2.38) #1 SMP PREEMPT @1648699852
[ 0.000000] Machine model: Thundercomm Dragonboard 845c
<trim>
[ 8.131366] ------------[ cut here ]------------
[ 8.131374] dsi0_pll_bit_clk: Zero divisor and CLK_DIVIDER_ALLOW_ZERO not set
[ 8.131387] WARNING: CPU: 5 PID: 8 at drivers/clk/clk-divider.c:139
divider_recalc_rate+0x8c/0xc0
[ 8.131398] Modules linked in: qcom_spmi_adc5 snd_soc_sdm845
qcom_vadc_common qcom_spmi_temp_alarm qcom_pon crct10dif_ce rtc_pm8xxx
snd_soc_rt5663 msm snd_soc_qcom_common gpu_sched snd_soc_rl6231
soundwire_bus reset_qcom_pdc drm_dp_helper qcom_camss hci_uart
videobuf2_dma_sg btqca v4l2_fwnode venus_core ath10k_snoc v4l2_async
btbcm ath10k_core i2c_qcom_geni v4l2_mem2mem videobuf2_memops
videobuf2_v4l2 ath bluetooth camcc_sdm845 videobuf2_common
spi_geni_qcom i2c_qcom_cci qcom_rng mac80211 xhci_pci qcom_q6v5_mss
xhci_pci_renesas cfg80211 icc_osm_l3 slim_qcom_ngd_ctrl qcom_wdt
rfkill qrtr lmh pdr_interface display_connector slimbus qcom_q6v5_pas
drm_kms_helper qcom_pil_info qcom_q6v5 qcom_sysmon qcom_common
qcom_glink_smem qmi_helpers drm mdt_loader socinfo rmtfs_mem fuse
[ 8.131462] CPU: 5 PID: 8 Comm: kworker/u16:0 Not tainted
5.17.0-next-20220331 #1
[ 8.131465] Hardware name: Thundercomm Dragonboard 845c (DT)
[ 8.131467] Workqueue: events_unbound deferred_probe_work_func
[ 8.131475] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
[ 8.131477] pc : divider_recalc_rate+0x8c/0xc0
[ 8.131479] lr : divider_recalc_rate+0x8c/0xc0
[ 8.131481] sp : ffff8000080936c0
[ 8.131482] x29: ffff8000080936c0 x28: ffff781940e58d00 x27: ffffa7f3f1bc6d38
[ 8.131485] x26: ffffa7f3f1bc6cf8 x25: 0000000000000000 x24: ffffffffffffffff
[ 8.131488] x23: ffff781947e8a400 x22: 000000003b9aca50 x21: ffff781940be0800
[ 8.131491] x20: ffff781947e8a800 x19: 000000003b9aca50 x18: 0000000000000000
[ 8.131494] x17: 0000000000000000 x16: 0000000000000000 x15: 0000000000000000
[ 8.131497] x14: ffff7819bd718000 x13: 0a74657320746f6e x12: 204f52455a5f574f
[ 8.131500] x11: 4c4c415f52454449 x10: 5649445f4b4c4320 x9 : ffffa7f3f011de84
[ 8.131502] x8 : 445f4b4c4320646e x7 : 6120726f73697669 x6 : 0000000000000001
[ 8.131505] x5 : ffffa7f3f288f000 x4 : ffffa7f3f288f2d0 x3 : 0000000000000000
[ 8.131508] x2 : 0000000000000000 x1 : 0000000000000000 x0 : ffff7819402c7000
[ 8.131511] Call trace:
[ 8.131512] divider_recalc_rate+0x8c/0xc0
[ 8.131513] clk_divider_recalc_rate+0x64/0x90
[ 8.131515] clk_recalc+0x40/0xb0
[ 8.131519] clk_calc_subtree+0x58/0x90
[ 8.131521] clk_calc_subtree+0x70/0x90
[ 8.131523] clk_calc_new_rates+0x150/0x290
[ 8.131526] clk_calc_new_rates+0x100/0x290
[ 8.131528] clk_calc_new_rates+0x100/0x290
[ 8.131530] clk_calc_new_rates+0x100/0x290
[ 8.131533] clk_core_set_rate_nolock+0xa0/0x2a4
[ 8.131535] clk_set_rate_range_nolock.part.0+0xbc/0x2a0
[ 8.131538] __clk_put+0x70/0x140
[ 8.131540] clk_put+0x1c/0x30
[ 8.131543] of_clk_set_defaults+0x140/0x3c0
[ 8.131546] platform_probe+0x48/0xf0
[ 8.131548] really_probe+0x184/0x3d0
[ 8.131550] __driver_probe_device+0x11c/0x190
[ 8.131553] driver_probe_device+0x44/0xf4
[ 8.131556] __device_attach_driver+0xa4/0x140
[ 8.131558] bus_for_each_drv+0x84/0xe0
[ 8.131561] __device_attach+0xe4/0x1c0
[ 8.131563] device_initial_probe+0x20/0x30
[ 8.131565] bus_probe_device+0xa4/0xb0
[ 8.131567] deferred_probe_work_func+0xa8/0xfc
[ 8.131570] process_one_work+0x1dc/0x450
[ 8.131575] worker_thread+0x154/0x450
[ 8.131577] kthread+0x100/0x110
[ 8.131579] ret_from_fork+0x10/0x20
[ 8.131584] ---[ end trace 0000000000000000 ]---
[ 8.131588] ------------[ cut here ]------------
[ 8.131589] dsi0_phy_pll_out_dsiclk: Zero divisor and
CLK_DIVIDER_ALLOW_ZERO not set
[ 8.131596] WARNING: CPU: 5 PID: 8 at drivers/clk/clk-divider.c:139
divider_recalc_rate+0x8c/0xc0
[ 8.131599] Modules linked in: qcom_spmi_adc5 snd_soc_sdm845 qcom_vadc_commo#
n qcom_spmi_temp_alarm qcom_pon crct10dif_ce rtc_pm8xxx snd_soc_rt5663
msm snd_soc_qcom_common gpu_sched snd_soc_rl6231 soundwire_bus
reset_qcom_pdc drm_dp_helper qcom_camss hci_uart videobuf2_dma_sg
btqca v4l2_fwnode venus_core ath10k_snoc v4l2_async btbcm ath10k_core
i2c_qcom_geni v4l2_mem2mem videobuf2_memops videobuf2_v4l2 ath
bluetooth camcc_sdm845 videobuf2_common spi_geni_qcom i2c_qcom_cci
qcom_rng mac80211 xhci_pci qcom_q6v5_mss xhci_pci_renesas cfg80211
icc_osm_l3 slim_qcom_ngd_ctrl qcom_wdt rfkill qrtr lmh pdr_interface
display_connector slimbus qcom_q6v5_pas drm_kms_helper qcom_pil_info
qcom_q6v5 qcom_sysmon qcom_common qcom_glink_smem qmi_helpers drm
mdt_loader socinfo rmtfs_mem fuse
[ 8.131637] CPU: 5 PID: 8 Comm: kworker/u16:0 Tainted: G W
5.17.0-next-20220331 #1
[ 8.131639] Hardware name: Thundercomm Dragonboard 845c (DT)
[ 8.131640] Workqueue: events_unbound deferred_probe_work_func
[ 8.131643] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
[ 8.131645] pc : divider_recalc_rate+0x8c/0xc0
[ 8.131647] lr : divider_recalc_rate+0x8c/0xc0
[ 8.131648] sp : ffff800008093680
[ 8.131649] x29: ffff800008093680 x28: ffff781940e58d00 x27: ffffa7f3f1bc6d38
[ 8.131652] x26: ffffa7f3f1bc6cf8 x25: 0000000000000000 x24: ffffffffffffffff
[ 8.131655] x23: ffff781947e8a400 x22: 000000003b9aca50 x21: ffff781940be0800
[ 8.131657] x20: ffff781947e8b300 x19: 000000003b9aca50 x18: 0000000000000000
[ 8.131660] x17: 0000000000000000 x16: 0000000000000000 x15: 0000000000000000
[ 8.131663] x14: ffff7819bd718000 x13: 0a74657320746f6e x12: 204f52455a5f574f
[ 8.131666] x11: 4c4c415f52454449 x10: 5649445f4b4c4320 x9 : ffffa7f3f011de84
[ 8.131669] x8 : 445f4b4c4320646e x7 : 6120726f73697669 x6 : 0000000000000001
[ 8.131671] x5 : ffffa7f3f288f000 x4 : ffffa7f3f288f2d0 x3 : 0000000000000000
[ 8.131674] x2 : 0000000000000000 x1 : 0000000000000000 x0 : ffff7819402c7000
[ 8.131677] Call trace:
[ 8.131677] divider_recalc_rate+0x8c/0xc0
[ 8.131679] clk_divider_recalc_rate+0x64/0x90
[ 8.131680] clk_recalc+0x40/0xb0
[ 8.131683] clk_calc_subtree+0x58/0x90
[ 8.131685] clk_calc_subtree+0x70/0x90
[ 8.131687] clk_calc_subtree+0x70/0x90
[ 8.131690] clk_calc_subtree+0x70/0x90
[ 8.131692] clk_calc_new_rates+0x150/0x290
[ 8.131694] clk_calc_new_rates+0x100/0x290
[ 8.131697] clk_calc_new_rates+0x100/0x290
[ 8.131699] clk_calc_new_rates+0x100/0x290
[ 8.131701] clk_core_set_rate_nolock+0xa0/0x2a4
[ 8.131704] clk_set_rate_range_nolock.part.0+0xbc/0x2a0
[ 8.131707] __clk_put+0x70/0x140
[ 8.131708] clk_put+0x1c/0x30
[ 8.131710] of_clk_set_defaults+0x140/0x3c0
[ 8.131712] platform_probe+0x48/0xf0
[ 8.131714] really_probe+0x184/0x3d0
[ 8.131716] __driver_probe_device+0x11c/0x190
[ 8.131719] driver_probe_device+0x44/0xf4
[ 8.131722] __device_attach_driver+0xa4/0x140
[ 8.131723] bus_for_each_drv+0x84/0xe0
[ 8.131726] __device_attach+0xe4/0x1c0
[ 8.131728] device_initial_probe+0x20/0x30
[ 8.131730] bus_probe_device+0xa4/0xb0
[ 8.131732] deferred_probe_work_func+0xa8/0xfc
[ 8.131735] process_one_work+0x1dc/0x450
[ 8.131737] worker_thread+0x154/0x450
[ 8.131739] kthread+0x100/0x110
[ 8.131741] ret_from_fork+0x10/0x20
[ 8.131743] ---[ end trace 0000000000000000 ]---
[ 8.131756] ------------[ cut here ]#
------------
[ 8.131757] dsi0_pll_bit_clk: Zero divisor and CLK_DIVIDER_ALLOW_ZERO not set
Reported-by: Linux Kernel Functional Testing <lkft@linaro.org>
--
Linaro LKFT
https://lkft.linaro.org
[1] https://qa-reports.linaro.org/lkft/linux-next-master/build/next-20220331/testrun/8808185/suite/linux-log-parser/test/check-kernel-exception-4814166/log
^ permalink raw reply [flat|nested] 8+ messages in thread
* Re: [next] db845c: WARNING: CPU: 5 PID: 8 at drivers/clk/clk-divider.c:139 divider_recalc_rate
2022-03-31 12:03 [next] db845c: WARNING: CPU: 5 PID: 8 at drivers/clk/clk-divider.c:139 divider_recalc_rate Naresh Kamboju
@ 2022-03-31 22:04 ` Stephen Boyd
2022-04-01 15:10 ` Maxime Ripard
1 sibling, 0 replies; 8+ messages in thread
From: Stephen Boyd @ 2022-03-31 22:04 UTC (permalink / raw)
To: Linux ARM, Naresh Kamboju,
OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS, linux-clk,
linux-stm32, lkft-triage, open list, regressions
Cc: gabriel.fernandez, Michael Turquette, Rob Herring,
Krzysztof Kozlowski, Maxime Coquelin, Alexandre Torgue,
Philipp Zabel, Nicolas Dechesne, Maxime Ripard
+Maxime
Quoting Naresh Kamboju (2022-03-31 05:03:57)
> Following kernel warning noticed on db845c while booting linux next-20220331.
>
> metadata:
> git_ref: master
> git_repo: https://gitlab.com/Linaro/lkft/mirrors/next/linux-next
> git_sha: fdcbcd1348f4ef713668bae1b0fa9774e1811205
> git_describe: next-20220331
> kernel_version: 5.17.0
> kernel-config: https://builds.tuxbuild.com/278RLnhgJL7XdlJbcbv07jiwbYB/config
I guess we really just shouldn't call clk_set_rate_range()
unconditionally on clk_put().
>
> Boot log:
> [ 0.000000] Booting Linux on physical CPU 0x0000000000 [0x517f803c]
> [ 0.000000] Linux version 5.17.0-next-20220331 (tuxmake@tuxmake)
> (aarch64-linux-gnu-gcc (Debian 11.2.0-18) 11.2.0, GNU ld (GNU Binutils
> for Debian) 2.38) #1 SMP PREEMPT @1648699852
> [ 0.000000] Machine model: Thundercomm Dragonboard 845c
> <trim>
> [ 8.131366] ------------[ cut here ]------------
> [ 8.131374] dsi0_pll_bit_clk: Zero divisor and CLK_DIVIDER_ALLOW_ZERO not set
> [ 8.131387] WARNING: CPU: 5 PID: 8 at drivers/clk/clk-divider.c:139
> divider_recalc_rate+0x8c/0xc0
> [ 8.131398] Modules linked in: qcom_spmi_adc5 snd_soc_sdm845
> qcom_vadc_common qcom_spmi_temp_alarm qcom_pon crct10dif_ce rtc_pm8xxx
> snd_soc_rt5663 msm snd_soc_qcom_common gpu_sched snd_soc_rl6231
> soundwire_bus reset_qcom_pdc drm_dp_helper qcom_camss hci_uart
> videobuf2_dma_sg btqca v4l2_fwnode venus_core ath10k_snoc v4l2_async
> btbcm ath10k_core i2c_qcom_geni v4l2_mem2mem videobuf2_memops
> videobuf2_v4l2 ath bluetooth camcc_sdm845 videobuf2_common
> spi_geni_qcom i2c_qcom_cci qcom_rng mac80211 xhci_pci qcom_q6v5_mss
> xhci_pci_renesas cfg80211 icc_osm_l3 slim_qcom_ngd_ctrl qcom_wdt
> rfkill qrtr lmh pdr_interface display_connector slimbus qcom_q6v5_pas
> drm_kms_helper qcom_pil_info qcom_q6v5 qcom_sysmon qcom_common
> qcom_glink_smem qmi_helpers drm mdt_loader socinfo rmtfs_mem fuse
> [ 8.131462] CPU: 5 PID: 8 Comm: kworker/u16:0 Not tainted
> 5.17.0-next-20220331 #1
> [ 8.131465] Hardware name: Thundercomm Dragonboard 845c (DT)
> [ 8.131467] Workqueue: events_unbound deferred_probe_work_func
> [ 8.131475] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
> [ 8.131477] pc : divider_recalc_rate+0x8c/0xc0
> [ 8.131479] lr : divider_recalc_rate+0x8c/0xc0
> [ 8.131481] sp : ffff8000080936c0
> [ 8.131482] x29: ffff8000080936c0 x28: ffff781940e58d00 x27: ffffa7f3f1bc6d38
> [ 8.131485] x26: ffffa7f3f1bc6cf8 x25: 0000000000000000 x24: ffffffffffffffff
> [ 8.131488] x23: ffff781947e8a400 x22: 000000003b9aca50 x21: ffff781940be0800
> [ 8.131491] x20: ffff781947e8a800 x19: 000000003b9aca50 x18: 0000000000000000
> [ 8.131494] x17: 0000000000000000 x16: 0000000000000000 x15: 0000000000000000
> [ 8.131497] x14: ffff7819bd718000 x13: 0a74657320746f6e x12: 204f52455a5f574f
> [ 8.131500] x11: 4c4c415f52454449 x10: 5649445f4b4c4320 x9 : ffffa7f3f011de84
> [ 8.131502] x8 : 445f4b4c4320646e x7 : 6120726f73697669 x6 : 0000000000000001
> [ 8.131505] x5 : ffffa7f3f288f000 x4 : ffffa7f3f288f2d0 x3 : 0000000000000000
> [ 8.131508] x2 : 0000000000000000 x1 : 0000000000000000 x0 : ffff7819402c7000
> [ 8.131511] Call trace:
> [ 8.131512] divider_recalc_rate+0x8c/0xc0
> [ 8.131513] clk_divider_recalc_rate+0x64/0x90
> [ 8.131515] clk_recalc+0x40/0xb0
> [ 8.131519] clk_calc_subtree+0x58/0x90
> [ 8.131521] clk_calc_subtree+0x70/0x90
> [ 8.131523] clk_calc_new_rates+0x150/0x290
> [ 8.131526] clk_calc_new_rates+0x100/0x290
> [ 8.131528] clk_calc_new_rates+0x100/0x290
> [ 8.131530] clk_calc_new_rates+0x100/0x290
> [ 8.131533] clk_core_set_rate_nolock+0xa0/0x2a4
> [ 8.131535] clk_set_rate_range_nolock.part.0+0xbc/0x2a0
> [ 8.131538] __clk_put+0x70/0x140
> [ 8.131540] clk_put+0x1c/0x30
> [ 8.131543] of_clk_set_defaults+0x140/0x3c0
> [ 8.131546] platform_probe+0x48/0xf0
> [ 8.131548] really_probe+0x184/0x3d0
> [ 8.131550] __driver_probe_device+0x11c/0x190
> [ 8.131553] driver_probe_device+0x44/0xf4
> [ 8.131556] __device_attach_driver+0xa4/0x140
> [ 8.131558] bus_for_each_drv+0x84/0xe0
> [ 8.131561] __device_attach+0xe4/0x1c0
> [ 8.131563] device_initial_probe+0x20/0x30
> [ 8.131565] bus_probe_device+0xa4/0xb0
> [ 8.131567] deferred_probe_work_func+0xa8/0xfc
> [ 8.131570] process_one_work+0x1dc/0x450
> [ 8.131575] worker_thread+0x154/0x450
> [ 8.131577] kthread+0x100/0x110
> [ 8.131579] ret_from_fork+0x10/0x20
> [ 8.131584] ---[ end trace 0000000000000000 ]---
> [ 8.131588] ------------[ cut here ]------------
> [ 8.131589] dsi0_phy_pll_out_dsiclk: Zero divisor and
> CLK_DIVIDER_ALLOW_ZERO not set
> [ 8.131596] WARNING: CPU: 5 PID: 8 at drivers/clk/clk-divider.c:139
> divider_recalc_rate+0x8c/0xc0
> [ 8.131599] Modules linked in: qcom_spmi_adc5 snd_soc_sdm845 qcom_vadc_commo#
> n qcom_spmi_temp_alarm qcom_pon crct10dif_ce rtc_pm8xxx snd_soc_rt5663
> msm snd_soc_qcom_common gpu_sched snd_soc_rl6231 soundwire_bus
> reset_qcom_pdc drm_dp_helper qcom_camss hci_uart videobuf2_dma_sg
> btqca v4l2_fwnode venus_core ath10k_snoc v4l2_async btbcm ath10k_core
> i2c_qcom_geni v4l2_mem2mem videobuf2_memops videobuf2_v4l2 ath
> bluetooth camcc_sdm845 videobuf2_common spi_geni_qcom i2c_qcom_cci
> qcom_rng mac80211 xhci_pci qcom_q6v5_mss xhci_pci_renesas cfg80211
> icc_osm_l3 slim_qcom_ngd_ctrl qcom_wdt rfkill qrtr lmh pdr_interface
> display_connector slimbus qcom_q6v5_pas drm_kms_helper qcom_pil_info
> qcom_q6v5 qcom_sysmon qcom_common qcom_glink_smem qmi_helpers drm
> mdt_loader socinfo rmtfs_mem fuse
> [ 8.131637] CPU: 5 PID: 8 Comm: kworker/u16:0 Tainted: G W
> 5.17.0-next-20220331 #1
> [ 8.131639] Hardware name: Thundercomm Dragonboard 845c (DT)
> [ 8.131640] Workqueue: events_unbound deferred_probe_work_func
> [ 8.131643] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
> [ 8.131645] pc : divider_recalc_rate+0x8c/0xc0
> [ 8.131647] lr : divider_recalc_rate+0x8c/0xc0
> [ 8.131648] sp : ffff800008093680
> [ 8.131649] x29: ffff800008093680 x28: ffff781940e58d00 x27: ffffa7f3f1bc6d38
> [ 8.131652] x26: ffffa7f3f1bc6cf8 x25: 0000000000000000 x24: ffffffffffffffff
> [ 8.131655] x23: ffff781947e8a400 x22: 000000003b9aca50 x21: ffff781940be0800
> [ 8.131657] x20: ffff781947e8b300 x19: 000000003b9aca50 x18: 0000000000000000
> [ 8.131660] x17: 0000000000000000 x16: 0000000000000000 x15: 0000000000000000
> [ 8.131663] x14: ffff7819bd718000 x13: 0a74657320746f6e x12: 204f52455a5f574f
> [ 8.131666] x11: 4c4c415f52454449 x10: 5649445f4b4c4320 x9 : ffffa7f3f011de84
> [ 8.131669] x8 : 445f4b4c4320646e x7 : 6120726f73697669 x6 : 0000000000000001
> [ 8.131671] x5 : ffffa7f3f288f000 x4 : ffffa7f3f288f2d0 x3 : 0000000000000000
> [ 8.131674] x2 : 0000000000000000 x1 : 0000000000000000 x0 : ffff7819402c7000
> [ 8.131677] Call trace:
> [ 8.131677] divider_recalc_rate+0x8c/0xc0
> [ 8.131679] clk_divider_recalc_rate+0x64/0x90
> [ 8.131680] clk_recalc+0x40/0xb0
> [ 8.131683] clk_calc_subtree+0x58/0x90
> [ 8.131685] clk_calc_subtree+0x70/0x90
> [ 8.131687] clk_calc_subtree+0x70/0x90
> [ 8.131690] clk_calc_subtree+0x70/0x90
> [ 8.131692] clk_calc_new_rates+0x150/0x290
> [ 8.131694] clk_calc_new_rates+0x100/0x290
> [ 8.131697] clk_calc_new_rates+0x100/0x290
> [ 8.131699] clk_calc_new_rates+0x100/0x290
> [ 8.131701] clk_core_set_rate_nolock+0xa0/0x2a4
> [ 8.131704] clk_set_rate_range_nolock.part.0+0xbc/0x2a0
> [ 8.131707] __clk_put+0x70/0x140
> [ 8.131708] clk_put+0x1c/0x30
> [ 8.131710] of_clk_set_defaults+0x140/0x3c0
> [ 8.131712] platform_probe+0x48/0xf0
> [ 8.131714] really_probe+0x184/0x3d0
> [ 8.131716] __driver_probe_device+0x11c/0x190
> [ 8.131719] driver_probe_device+0x44/0xf4
> [ 8.131722] __device_attach_driver+0xa4/0x140
> [ 8.131723] bus_for_each_drv+0x84/0xe0
> [ 8.131726] __device_attach+0xe4/0x1c0
> [ 8.131728] device_initial_probe+0x20/0x30
> [ 8.131730] bus_probe_device+0xa4/0xb0
> [ 8.131732] deferred_probe_work_func+0xa8/0xfc
> [ 8.131735] process_one_work+0x1dc/0x450
> [ 8.131737] worker_thread+0x154/0x450
> [ 8.131739] kthread+0x100/0x110
> [ 8.131741] ret_from_fork+0x10/0x20
> [ 8.131743] ---[ end trace 0000000000000000 ]---
> [ 8.131756] ------------[ cut here ]#
> ------------
> [ 8.131757] dsi0_pll_bit_clk: Zero divisor and CLK_DIVIDER_ALLOW_ZERO not set
>
>
> Reported-by: Linux Kernel Functional Testing <lkft@linaro.org>
>
> --
> Linaro LKFT
> https://lkft.linaro.org
>
> [1] https://qa-reports.linaro.org/lkft/linux-next-master/build/next-20220331/testrun/8808185/suite/linux-log-parser/test/check-kernel-exception-4814166/log
^ permalink raw reply [flat|nested] 8+ messages in thread
* Re: [next] db845c: WARNING: CPU: 5 PID: 8 at drivers/clk/clk-divider.c:139 divider_recalc_rate
2022-03-31 12:03 [next] db845c: WARNING: CPU: 5 PID: 8 at drivers/clk/clk-divider.c:139 divider_recalc_rate Naresh Kamboju
2022-03-31 22:04 ` Stephen Boyd
@ 2022-04-01 15:10 ` Maxime Ripard
2022-04-01 18:46 ` Naresh Kamboju
1 sibling, 1 reply; 8+ messages in thread
From: Maxime Ripard @ 2022-04-01 15:10 UTC (permalink / raw)
To: Naresh Kamboju
Cc: linux-clk,
open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS,
linux-stm32, Linux ARM, open list, lkft-triage, regressions,
gabriel.fernandez, Michael Turquette, Stephen Boyd, Rob Herring,
Krzysztof Kozlowski, Maxime Coquelin, Alexandre Torgue,
Philipp Zabel, Nicolas Dechesne
[-- Attachment #1: Type: text/plain, Size: 4893 bytes --]
Hi,
On Thu, Mar 31, 2022 at 05:33:57PM +0530, Naresh Kamboju wrote:
> Following kernel warning noticed on db845c while booting linux next-20220331.
>
> metadata:
> git_ref: master
> git_repo: https://gitlab.com/Linaro/lkft/mirrors/next/linux-next
> git_sha: fdcbcd1348f4ef713668bae1b0fa9774e1811205
> git_describe: next-20220331
> kernel_version: 5.17.0
> kernel-config: https://builds.tuxbuild.com/278RLnhgJL7XdlJbcbv07jiwbYB/config
>
> Boot log:
> [ 0.000000] Booting Linux on physical CPU 0x0000000000 [0x517f803c]
> [ 0.000000] Linux version 5.17.0-next-20220331 (tuxmake@tuxmake)
> (aarch64-linux-gnu-gcc (Debian 11.2.0-18) 11.2.0, GNU ld (GNU Binutils
> for Debian) 2.38) #1 SMP PREEMPT @1648699852
> [ 0.000000] Machine model: Thundercomm Dragonboard 845c
> <trim>
> [ 8.131366] ------------[ cut here ]------------
> [ 8.131374] dsi0_pll_bit_clk: Zero divisor and CLK_DIVIDER_ALLOW_ZERO not set
> [ 8.131387] WARNING: CPU: 5 PID: 8 at drivers/clk/clk-divider.c:139
> divider_recalc_rate+0x8c/0xc0
> [ 8.131398] Modules linked in: qcom_spmi_adc5 snd_soc_sdm845
> qcom_vadc_common qcom_spmi_temp_alarm qcom_pon crct10dif_ce rtc_pm8xxx
> snd_soc_rt5663 msm snd_soc_qcom_common gpu_sched snd_soc_rl6231
> soundwire_bus reset_qcom_pdc drm_dp_helper qcom_camss hci_uart
> videobuf2_dma_sg btqca v4l2_fwnode venus_core ath10k_snoc v4l2_async
> btbcm ath10k_core i2c_qcom_geni v4l2_mem2mem videobuf2_memops
> videobuf2_v4l2 ath bluetooth camcc_sdm845 videobuf2_common
> spi_geni_qcom i2c_qcom_cci qcom_rng mac80211 xhci_pci qcom_q6v5_mss
> xhci_pci_renesas cfg80211 icc_osm_l3 slim_qcom_ngd_ctrl qcom_wdt
> rfkill qrtr lmh pdr_interface display_connector slimbus qcom_q6v5_pas
> drm_kms_helper qcom_pil_info qcom_q6v5 qcom_sysmon qcom_common
> qcom_glink_smem qmi_helpers drm mdt_loader socinfo rmtfs_mem fuse
> [ 8.131462] CPU: 5 PID: 8 Comm: kworker/u16:0 Not tainted
> 5.17.0-next-20220331 #1
> [ 8.131465] Hardware name: Thundercomm Dragonboard 845c (DT)
> [ 8.131467] Workqueue: events_unbound deferred_probe_work_func
> [ 8.131475] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
> [ 8.131477] pc : divider_recalc_rate+0x8c/0xc0
> [ 8.131479] lr : divider_recalc_rate+0x8c/0xc0
> [ 8.131481] sp : ffff8000080936c0
> [ 8.131482] x29: ffff8000080936c0 x28: ffff781940e58d00 x27: ffffa7f3f1bc6d38
> [ 8.131485] x26: ffffa7f3f1bc6cf8 x25: 0000000000000000 x24: ffffffffffffffff
> [ 8.131488] x23: ffff781947e8a400 x22: 000000003b9aca50 x21: ffff781940be0800
> [ 8.131491] x20: ffff781947e8a800 x19: 000000003b9aca50 x18: 0000000000000000
> [ 8.131494] x17: 0000000000000000 x16: 0000000000000000 x15: 0000000000000000
> [ 8.131497] x14: ffff7819bd718000 x13: 0a74657320746f6e x12: 204f52455a5f574f
> [ 8.131500] x11: 4c4c415f52454449 x10: 5649445f4b4c4320 x9 : ffffa7f3f011de84
> [ 8.131502] x8 : 445f4b4c4320646e x7 : 6120726f73697669 x6 : 0000000000000001
> [ 8.131505] x5 : ffffa7f3f288f000 x4 : ffffa7f3f288f2d0 x3 : 0000000000000000
> [ 8.131508] x2 : 0000000000000000 x1 : 0000000000000000 x0 : ffff7819402c7000
> [ 8.131511] Call trace:
> [ 8.131512] divider_recalc_rate+0x8c/0xc0
> [ 8.131513] clk_divider_recalc_rate+0x64/0x90
> [ 8.131515] clk_recalc+0x40/0xb0
> [ 8.131519] clk_calc_subtree+0x58/0x90
> [ 8.131521] clk_calc_subtree+0x70/0x90
> [ 8.131523] clk_calc_new_rates+0x150/0x290
> [ 8.131526] clk_calc_new_rates+0x100/0x290
> [ 8.131528] clk_calc_new_rates+0x100/0x290
> [ 8.131530] clk_calc_new_rates+0x100/0x290
> [ 8.131533] clk_core_set_rate_nolock+0xa0/0x2a4
> [ 8.131535] clk_set_rate_range_nolock.part.0+0xbc/0x2a0
> [ 8.131538] __clk_put+0x70/0x140
> [ 8.131540] clk_put+0x1c/0x30
> [ 8.131543] of_clk_set_defaults+0x140/0x3c0
> [ 8.131546] platform_probe+0x48/0xf0
> [ 8.131548] really_probe+0x184/0x3d0
> [ 8.131550] __driver_probe_device+0x11c/0x190
> [ 8.131553] driver_probe_device+0x44/0xf4
> [ 8.131556] __device_attach_driver+0xa4/0x140
> [ 8.131558] bus_for_each_drv+0x84/0xe0
> [ 8.131561] __device_attach+0xe4/0x1c0
> [ 8.131563] device_initial_probe+0x20/0x30
> [ 8.131565] bus_probe_device+0xa4/0xb0
> [ 8.131567] deferred_probe_work_func+0xa8/0xfc
> [ 8.131570] process_one_work+0x1dc/0x450
> [ 8.131575] worker_thread+0x154/0x450
> [ 8.131577] kthread+0x100/0x110
> [ 8.131579] ret_from_fork+0x10/0x20
> [ 8.131584] ---[ end trace 0000000000000000 ]---
> [ 8.131588] ------------[ cut here ]------------
I'm not sure if it's feasible, but if it is, it looks like something
that could be fixed by the patch pasted here:
https://lore.kernel.org/linux-clk/20220401122736.5yvanksa4pla7uql@houat/
Could you test it?
Thanks!
Maxime
[-- Attachment #2: signature.asc --]
[-- Type: application/pgp-signature, Size: 228 bytes --]
^ permalink raw reply [flat|nested] 8+ messages in thread
* Re: [next] db845c: WARNING: CPU: 5 PID: 8 at drivers/clk/clk-divider.c:139 divider_recalc_rate
2022-04-01 15:10 ` Maxime Ripard
@ 2022-04-01 18:46 ` Naresh Kamboju
2022-04-07 7:54 ` Maxime Ripard
0 siblings, 1 reply; 8+ messages in thread
From: Naresh Kamboju @ 2022-04-01 18:46 UTC (permalink / raw)
To: Maxime Ripard
Cc: linux-clk,
open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS,
linux-stm32, Linux ARM, open list, lkft-triage, regressions,
gabriel.fernandez, Michael Turquette, Stephen Boyd, Rob Herring,
Krzysztof Kozlowski, Maxime Coquelin, Alexandre Torgue,
Philipp Zabel, Nicolas Dechesne
On Fri, 1 Apr 2022 at 20:41, Maxime Ripard <maxime@cerno.tech> wrote:
>
> Hi,
>
> On Thu, Mar 31, 2022 at 05:33:57PM +0530, Naresh Kamboju wrote:
> > Following kernel warning noticed on db845c while booting linux next-20220331.
> >
> > metadata:
> > git_ref: master
> > git_repo: https://gitlab.com/Linaro/lkft/mirrors/next/linux-next
> > git_sha: fdcbcd1348f4ef713668bae1b0fa9774e1811205
> > git_describe: next-20220331
> > kernel_version: 5.17.0
> > kernel-config: https://builds.tuxbuild.com/278RLnhgJL7XdlJbcbv07jiwbYB/config
> >
> > Boot log:
> > [ 0.000000] Booting Linux on physical CPU 0x0000000000 [0x517f803c]
> > [ 0.000000] Linux version 5.17.0-next-20220331 (tuxmake@tuxmake)
> > (aarch64-linux-gnu-gcc (Debian 11.2.0-18) 11.2.0, GNU ld (GNU Binutils
> > for Debian) 2.38) #1 SMP PREEMPT @1648699852
> > [ 0.000000] Machine model: Thundercomm Dragonboard 845c
> > <trim>
> > [ 8.131366] ------------[ cut here ]------------
> > [ 8.131374] dsi0_pll_bit_clk: Zero divisor and CLK_DIVIDER_ALLOW_ZERO not set
> > [ 8.131387] WARNING: CPU: 5 PID: 8 at drivers/clk/clk-divider.c:139
> > divider_recalc_rate+0x8c/0xc0
> > [ 8.131398] Modules linked in: qcom_spmi_adc5 snd_soc_sdm845
> > qcom_vadc_common qcom_spmi_temp_alarm qcom_pon crct10dif_ce rtc_pm8xxx
> > snd_soc_rt5663 msm snd_soc_qcom_common gpu_sched snd_soc_rl6231
> > soundwire_bus reset_qcom_pdc drm_dp_helper qcom_camss hci_uart
> > videobuf2_dma_sg btqca v4l2_fwnode venus_core ath10k_snoc v4l2_async
> > btbcm ath10k_core i2c_qcom_geni v4l2_mem2mem videobuf2_memops
> > videobuf2_v4l2 ath bluetooth camcc_sdm845 videobuf2_common
> > spi_geni_qcom i2c_qcom_cci qcom_rng mac80211 xhci_pci qcom_q6v5_mss
> > xhci_pci_renesas cfg80211 icc_osm_l3 slim_qcom_ngd_ctrl qcom_wdt
> > rfkill qrtr lmh pdr_interface display_connector slimbus qcom_q6v5_pas
> > drm_kms_helper qcom_pil_info qcom_q6v5 qcom_sysmon qcom_common
> > qcom_glink_smem qmi_helpers drm mdt_loader socinfo rmtfs_mem fuse
> > [ 8.131462] CPU: 5 PID: 8 Comm: kworker/u16:0 Not tainted
> > 5.17.0-next-20220331 #1
> > [ 8.131465] Hardware name: Thundercomm Dragonboard 845c (DT)
> > [ 8.131467] Workqueue: events_unbound deferred_probe_work_func
> > [ 8.131475] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
> > [ 8.131477] pc : divider_recalc_rate+0x8c/0xc0
> > [ 8.131479] lr : divider_recalc_rate+0x8c/0xc0
> > [ 8.131481] sp : ffff8000080936c0
> > [ 8.131482] x29: ffff8000080936c0 x28: ffff781940e58d00 x27: ffffa7f3f1bc6d38
> > [ 8.131485] x26: ffffa7f3f1bc6cf8 x25: 0000000000000000 x24: ffffffffffffffff
> > [ 8.131488] x23: ffff781947e8a400 x22: 000000003b9aca50 x21: ffff781940be0800
> > [ 8.131491] x20: ffff781947e8a800 x19: 000000003b9aca50 x18: 0000000000000000
> > [ 8.131494] x17: 0000000000000000 x16: 0000000000000000 x15: 0000000000000000
> > [ 8.131497] x14: ffff7819bd718000 x13: 0a74657320746f6e x12: 204f52455a5f574f
> > [ 8.131500] x11: 4c4c415f52454449 x10: 5649445f4b4c4320 x9 : ffffa7f3f011de84
> > [ 8.131502] x8 : 445f4b4c4320646e x7 : 6120726f73697669 x6 : 0000000000000001
> > [ 8.131505] x5 : ffffa7f3f288f000 x4 : ffffa7f3f288f2d0 x3 : 0000000000000000
> > [ 8.131508] x2 : 0000000000000000 x1 : 0000000000000000 x0 : ffff7819402c7000
> > [ 8.131511] Call trace:
> > [ 8.131512] divider_recalc_rate+0x8c/0xc0
> > [ 8.131513] clk_divider_recalc_rate+0x64/0x90
> > [ 8.131515] clk_recalc+0x40/0xb0
> > [ 8.131519] clk_calc_subtree+0x58/0x90
> > [ 8.131521] clk_calc_subtree+0x70/0x90
> > [ 8.131523] clk_calc_new_rates+0x150/0x290
> > [ 8.131526] clk_calc_new_rates+0x100/0x290
> > [ 8.131528] clk_calc_new_rates+0x100/0x290
> > [ 8.131530] clk_calc_new_rates+0x100/0x290
> > [ 8.131533] clk_core_set_rate_nolock+0xa0/0x2a4
> > [ 8.131535] clk_set_rate_range_nolock.part.0+0xbc/0x2a0
> > [ 8.131538] __clk_put+0x70/0x140
> > [ 8.131540] clk_put+0x1c/0x30
> > [ 8.131543] of_clk_set_defaults+0x140/0x3c0
> > [ 8.131546] platform_probe+0x48/0xf0
> > [ 8.131548] really_probe+0x184/0x3d0
> > [ 8.131550] __driver_probe_device+0x11c/0x190
> > [ 8.131553] driver_probe_device+0x44/0xf4
> > [ 8.131556] __device_attach_driver+0xa4/0x140
> > [ 8.131558] bus_for_each_drv+0x84/0xe0
> > [ 8.131561] __device_attach+0xe4/0x1c0
> > [ 8.131563] device_initial_probe+0x20/0x30
> > [ 8.131565] bus_probe_device+0xa4/0xb0
> > [ 8.131567] deferred_probe_work_func+0xa8/0xfc
> > [ 8.131570] process_one_work+0x1dc/0x450
> > [ 8.131575] worker_thread+0x154/0x450
> > [ 8.131577] kthread+0x100/0x110
> > [ 8.131579] ret_from_fork+0x10/0x20
> > [ 8.131584] ---[ end trace 0000000000000000 ]---
> > [ 8.131588] ------------[ cut here ]------------
>
> I'm not sure if it's feasible, but if it is, it looks like something
> that could be fixed by the patch pasted here:
>
> https://lore.kernel.org/linux-clk/20220401122736.5yvanksa4pla7uql@houat/
> Could you test it?
I have tested the single line patch and reported problems not fixed.
--->8---
diff --git a/drivers/clk/clk.c b/drivers/clk/clk.c
index 91f863b7a824..ee5a0223e47d 100644
--- a/drivers/clk/clk.c
+++ b/drivers/clk/clk.c
@@ -2599,6 +2599,8 @@ static int clk_core_set_parent_nolock(struct
clk_core *core,
} else {
__clk_recalc_rates(core, POST_RATE_CHANGE);
__clk_recalc_accuracies(core);
+
+ core->req_rate = core->rate;
}
- Naresh
^ permalink raw reply related [flat|nested] 8+ messages in thread
* Re: [next] db845c: WARNING: CPU: 5 PID: 8 at drivers/clk/clk-divider.c:139 divider_recalc_rate
2022-04-01 18:46 ` Naresh Kamboju
@ 2022-04-07 7:54 ` Maxime Ripard
2022-04-07 11:42 ` Naresh Kamboju
0 siblings, 1 reply; 8+ messages in thread
From: Maxime Ripard @ 2022-04-07 7:54 UTC (permalink / raw)
To: Naresh Kamboju
Cc: linux-clk,
open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS,
linux-stm32, Linux ARM, open list, lkft-triage, regressions,
gabriel.fernandez, Michael Turquette, Stephen Boyd, Rob Herring,
Krzysztof Kozlowski, Maxime Coquelin, Alexandre Torgue,
Philipp Zabel, Nicolas Dechesne
[-- Attachment #1: Type: text/plain, Size: 5578 bytes --]
Hi,
On Sat, Apr 02, 2022 at 12:16:48AM +0530, Naresh Kamboju wrote:
> On Fri, 1 Apr 2022 at 20:41, Maxime Ripard <maxime@cerno.tech> wrote:
> >
> > Hi,
> >
> > On Thu, Mar 31, 2022 at 05:33:57PM +0530, Naresh Kamboju wrote:
> > > Following kernel warning noticed on db845c while booting linux next-20220331.
> > >
> > > metadata:
> > > git_ref: master
> > > git_repo: https://gitlab.com/Linaro/lkft/mirrors/next/linux-next
> > > git_sha: fdcbcd1348f4ef713668bae1b0fa9774e1811205
> > > git_describe: next-20220331
> > > kernel_version: 5.17.0
> > > kernel-config: https://builds.tuxbuild.com/278RLnhgJL7XdlJbcbv07jiwbYB/config
> > >
> > > Boot log:
> > > [ 0.000000] Booting Linux on physical CPU 0x0000000000 [0x517f803c]
> > > [ 0.000000] Linux version 5.17.0-next-20220331 (tuxmake@tuxmake)
> > > (aarch64-linux-gnu-gcc (Debian 11.2.0-18) 11.2.0, GNU ld (GNU Binutils
> > > for Debian) 2.38) #1 SMP PREEMPT @1648699852
> > > [ 0.000000] Machine model: Thundercomm Dragonboard 845c
> > > <trim>
> > > [ 8.131366] ------------[ cut here ]------------
> > > [ 8.131374] dsi0_pll_bit_clk: Zero divisor and CLK_DIVIDER_ALLOW_ZERO not set
> > > [ 8.131387] WARNING: CPU: 5 PID: 8 at drivers/clk/clk-divider.c:139
> > > divider_recalc_rate+0x8c/0xc0
> > > [ 8.131398] Modules linked in: qcom_spmi_adc5 snd_soc_sdm845
> > > qcom_vadc_common qcom_spmi_temp_alarm qcom_pon crct10dif_ce rtc_pm8xxx
> > > snd_soc_rt5663 msm snd_soc_qcom_common gpu_sched snd_soc_rl6231
> > > soundwire_bus reset_qcom_pdc drm_dp_helper qcom_camss hci_uart
> > > videobuf2_dma_sg btqca v4l2_fwnode venus_core ath10k_snoc v4l2_async
> > > btbcm ath10k_core i2c_qcom_geni v4l2_mem2mem videobuf2_memops
> > > videobuf2_v4l2 ath bluetooth camcc_sdm845 videobuf2_common
> > > spi_geni_qcom i2c_qcom_cci qcom_rng mac80211 xhci_pci qcom_q6v5_mss
> > > xhci_pci_renesas cfg80211 icc_osm_l3 slim_qcom_ngd_ctrl qcom_wdt
> > > rfkill qrtr lmh pdr_interface display_connector slimbus qcom_q6v5_pas
> > > drm_kms_helper qcom_pil_info qcom_q6v5 qcom_sysmon qcom_common
> > > qcom_glink_smem qmi_helpers drm mdt_loader socinfo rmtfs_mem fuse
> > > [ 8.131462] CPU: 5 PID: 8 Comm: kworker/u16:0 Not tainted
> > > 5.17.0-next-20220331 #1
> > > [ 8.131465] Hardware name: Thundercomm Dragonboard 845c (DT)
> > > [ 8.131467] Workqueue: events_unbound deferred_probe_work_func
> > > [ 8.131475] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
> > > [ 8.131477] pc : divider_recalc_rate+0x8c/0xc0
> > > [ 8.131479] lr : divider_recalc_rate+0x8c/0xc0
> > > [ 8.131481] sp : ffff8000080936c0
> > > [ 8.131482] x29: ffff8000080936c0 x28: ffff781940e58d00 x27: ffffa7f3f1bc6d38
> > > [ 8.131485] x26: ffffa7f3f1bc6cf8 x25: 0000000000000000 x24: ffffffffffffffff
> > > [ 8.131488] x23: ffff781947e8a400 x22: 000000003b9aca50 x21: ffff781940be0800
> > > [ 8.131491] x20: ffff781947e8a800 x19: 000000003b9aca50 x18: 0000000000000000
> > > [ 8.131494] x17: 0000000000000000 x16: 0000000000000000 x15: 0000000000000000
> > > [ 8.131497] x14: ffff7819bd718000 x13: 0a74657320746f6e x12: 204f52455a5f574f
> > > [ 8.131500] x11: 4c4c415f52454449 x10: 5649445f4b4c4320 x9 : ffffa7f3f011de84
> > > [ 8.131502] x8 : 445f4b4c4320646e x7 : 6120726f73697669 x6 : 0000000000000001
> > > [ 8.131505] x5 : ffffa7f3f288f000 x4 : ffffa7f3f288f2d0 x3 : 0000000000000000
> > > [ 8.131508] x2 : 0000000000000000 x1 : 0000000000000000 x0 : ffff7819402c7000
> > > [ 8.131511] Call trace:
> > > [ 8.131512] divider_recalc_rate+0x8c/0xc0
> > > [ 8.131513] clk_divider_recalc_rate+0x64/0x90
> > > [ 8.131515] clk_recalc+0x40/0xb0
> > > [ 8.131519] clk_calc_subtree+0x58/0x90
> > > [ 8.131521] clk_calc_subtree+0x70/0x90
> > > [ 8.131523] clk_calc_new_rates+0x150/0x290
> > > [ 8.131526] clk_calc_new_rates+0x100/0x290
> > > [ 8.131528] clk_calc_new_rates+0x100/0x290
> > > [ 8.131530] clk_calc_new_rates+0x100/0x290
> > > [ 8.131533] clk_core_set_rate_nolock+0xa0/0x2a4
> > > [ 8.131535] clk_set_rate_range_nolock.part.0+0xbc/0x2a0
> > > [ 8.131538] __clk_put+0x70/0x140
> > > [ 8.131540] clk_put+0x1c/0x30
> > > [ 8.131543] of_clk_set_defaults+0x140/0x3c0
> > > [ 8.131546] platform_probe+0x48/0xf0
> > > [ 8.131548] really_probe+0x184/0x3d0
> > > [ 8.131550] __driver_probe_device+0x11c/0x190
> > > [ 8.131553] driver_probe_device+0x44/0xf4
> > > [ 8.131556] __device_attach_driver+0xa4/0x140
> > > [ 8.131558] bus_for_each_drv+0x84/0xe0
> > > [ 8.131561] __device_attach+0xe4/0x1c0
> > > [ 8.131563] device_initial_probe+0x20/0x30
> > > [ 8.131565] bus_probe_device+0xa4/0xb0
> > > [ 8.131567] deferred_probe_work_func+0xa8/0xfc
> > > [ 8.131570] process_one_work+0x1dc/0x450
> > > [ 8.131575] worker_thread+0x154/0x450
> > > [ 8.131577] kthread+0x100/0x110
> > > [ 8.131579] ret_from_fork+0x10/0x20
> > > [ 8.131584] ---[ end trace 0000000000000000 ]---
> > > [ 8.131588] ------------[ cut here ]------------
> >
> > I'm not sure if it's feasible, but if it is, it looks like something
> > that could be fixed by the patch pasted here:
> >
> > https://lore.kernel.org/linux-clk/20220401122736.5yvanksa4pla7uql@houat/
> > Could you test it?
>
> I have tested the single line patch and reported problems not fixed.
Could you test this branch?
https://github.com/mripard/linux/tree/rpi/clk-improvements-more-fixes
Thanks!
Maxime
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^ permalink raw reply [flat|nested] 8+ messages in thread
* Re: [next] db845c: WARNING: CPU: 5 PID: 8 at drivers/clk/clk-divider.c:139 divider_recalc_rate
2022-04-07 7:54 ` Maxime Ripard
@ 2022-04-07 11:42 ` Naresh Kamboju
2022-04-07 13:46 ` Maxime Ripard
0 siblings, 1 reply; 8+ messages in thread
From: Naresh Kamboju @ 2022-04-07 11:42 UTC (permalink / raw)
To: Maxime Ripard
Cc: linux-clk,
open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS,
linux-stm32, Linux ARM, open list, lkft-triage, regressions,
gabriel.fernandez, Michael Turquette, Stephen Boyd, Rob Herring,
Maxime Coquelin, Alexandre Torgue, Philipp Zabel,
Nicolas Dechesne, Krzysztof Kozlowski
On Thu, 7 Apr 2022 at 13:24, Maxime Ripard <maxime@cerno.tech> wrote:
>
> Hi,
>
> > > I'm not sure if it's feasible, but if it is, it looks like something
> > > that could be fixed by the patch pasted here:
> > >
> > > https://lore.kernel.org/linux-clk/20220401122736.5yvanksa4pla7uql@houat/
> > > Could you test it?
> >
> > I have tested the single line patch and reported problems not fixed.
>
> Could you test this branch?
> https://github.com/mripard/linux/tree/rpi/clk-improvements-more-fixes
I have tested your tree and branch.
I saw more clk prints in the boot log and did not notice the reported warning.
[ 0.734195] clk_set_rate_range_nolock: qdss: orphan ? n
[ 0.734222] clk_set_rate_range_nolock: qdss: core req rate 0
[ 0.734235] clk_set_rate_range_nolock: qdss: clamped rate 0
[ 0.734249] clk_core_set_rate_nolock: qdss: rate 0
[ 0.734262] clk_core_set_rate_nolock: qdss: rounded rate 0
...
[ 3.574169] clk_set_rate_range_nolock: gcc_ufs_phy_ice_core_clk: orphan ? n
[ 3.581271] clk_set_rate_range_nolock: gcc_ufs_phy_ice_core_clk:
core req rate 300000000
[ 3.589446] clk_set_rate_range_nolock: gcc_ufs_phy_ice_core_clk:
clamped rate 300000000
[ 3.597521] clk_core_set_rate_nolock: gcc_ufs_phy_ice_core_clk:
rate 300000000
...
Please refer this link for detail boot log,
https://lkft.validation.linaro.org/scheduler/job/4861930#L2712
Build link
https://builds.tuxbuild.com/27SxYLYlZcKEUQGVbmnmLP3GxEp/
- Naresh
>
> Thanks!
> Maxime
--
Linaro LKFT
https://lkft.linaro.org
^ permalink raw reply [flat|nested] 8+ messages in thread
* Re: [next] db845c: WARNING: CPU: 5 PID: 8 at drivers/clk/clk-divider.c:139 divider_recalc_rate
2022-04-07 11:42 ` Naresh Kamboju
@ 2022-04-07 13:46 ` Maxime Ripard
2022-04-07 17:56 ` Naresh Kamboju
0 siblings, 1 reply; 8+ messages in thread
From: Maxime Ripard @ 2022-04-07 13:46 UTC (permalink / raw)
To: Naresh Kamboju
Cc: linux-clk,
open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS,
linux-stm32, Linux ARM, open list, lkft-triage, regressions,
gabriel.fernandez, Michael Turquette, Stephen Boyd, Rob Herring,
Maxime Coquelin, Alexandre Torgue, Philipp Zabel,
Nicolas Dechesne, Krzysztof Kozlowski
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Hi Naresh,
On Thu, Apr 07, 2022 at 05:12:09PM +0530, Naresh Kamboju wrote:
> On Thu, 7 Apr 2022 at 13:24, Maxime Ripard <maxime@cerno.tech> wrote:
> >
> > Hi,
> >
> > > > I'm not sure if it's feasible, but if it is, it looks like something
> > > > that could be fixed by the patch pasted here:
> > > >
> > > > https://lore.kernel.org/linux-clk/20220401122736.5yvanksa4pla7uql@houat/
> > > > Could you test it?
> > >
> > > I have tested the single line patch and reported problems not fixed.
> >
> > Could you test this branch?
> > https://github.com/mripard/linux/tree/rpi/clk-improvements-more-fixes
>
> I have tested your tree and branch.
> I saw more clk prints in the boot log and did not notice the reported warning.
I just pushed a new version of my branch? It should get rid of most of
the side effects (and logs) you were seeing.
Thanks!
Maxime
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^ permalink raw reply [flat|nested] 8+ messages in thread
* Re: [next] db845c: WARNING: CPU: 5 PID: 8 at drivers/clk/clk-divider.c:139 divider_recalc_rate
2022-04-07 13:46 ` Maxime Ripard
@ 2022-04-07 17:56 ` Naresh Kamboju
0 siblings, 0 replies; 8+ messages in thread
From: Naresh Kamboju @ 2022-04-07 17:56 UTC (permalink / raw)
To: Maxime Ripard
Cc: linux-clk,
open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS,
linux-stm32, Linux ARM, open list, lkft-triage, regressions,
gabriel.fernandez, Michael Turquette, Stephen Boyd, Rob Herring,
Maxime Coquelin, Alexandre Torgue, Philipp Zabel,
Nicolas Dechesne, Krzysztof Kozlowski
Hi Maxime
On Thu, 7 Apr 2022 at 19:16, Maxime Ripard <maxime@cerno.tech> wrote:
>
> Hi Naresh,
>
> On Thu, Apr 07, 2022 at 05:12:09PM +0530, Naresh Kamboju wrote:
> > On Thu, 7 Apr 2022 at 13:24, Maxime Ripard <maxime@cerno.tech> wrote:
> > >
> > > Hi,
> > >
> > > > > I'm not sure if it's feasible, but if it is, it looks like something
> > > > > that could be fixed by the patch pasted here:
> > > > >
> > > > > https://lore.kernel.org/linux-clk/20220401122736.5yvanksa4pla7uql@houat/
> > > > > Could you test it?
> > > >
> > > > I have tested the single line patch and reported problems not fixed.
> > >
> > > Could you test this branch?
> > > https://github.com/mripard/linux/tree/rpi/clk-improvements-more-fixes
> >
> > I have tested your tree and branch.
> > I saw more clk prints in the boot log and did not notice the reported warning.
>
> I just pushed a new version of my branch? It should get rid of most of
> the side effects (and logs) you were seeing.
The reported problem has been fixed.
Please check this boot log and test log [1].
FYI, "clk_ignore_unused" has been used in Kernel boot args.
https://lkft.validation.linaro.org/scheduler/job/4862043#L2712
- Naresh
>
> Thanks!
> Maxime
^ permalink raw reply [flat|nested] 8+ messages in thread
end of thread, other threads:[~2022-04-07 17:57 UTC | newest]
Thread overview: 8+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2022-03-31 12:03 [next] db845c: WARNING: CPU: 5 PID: 8 at drivers/clk/clk-divider.c:139 divider_recalc_rate Naresh Kamboju
2022-03-31 22:04 ` Stephen Boyd
2022-04-01 15:10 ` Maxime Ripard
2022-04-01 18:46 ` Naresh Kamboju
2022-04-07 7:54 ` Maxime Ripard
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