mirror of https://gitee.com/openkylin/linux.git
9215f6bb47
After initial kernel module load during kernel boot and removing
the module and try to load it again an Unable to handle kernel
paging request is observed:
Unable to handle kernel paging request at virtual address ffffa44f7416eae0
Mem abort info:
ESR = 0x96000047
EC = 0x25: DABT (current EL), IL = 32 bits
SET = 0, FnV = 0
EA = 0, S1PTW = 0
Data abort info:
ISV = 0, ISS = 0x00000047
CM = 0, WnR = 1
swapper pgtable: 4k pages, 48-bit VAs, pgdp=000000008147c000
[ffffa44f7416eae0] pgd=000000017df9f003, p4d=000000017df9f003,
pud=000000017df9e003, pmd=000000017df9b003, pte=0000000000000000
Internal error: Oops: 96000047 [#1] PREEMPT SMP
Modules linked in: venus_core(+) snd_soc_wsa881x regmap_sdw af_alg
snd_soc_wcd934x soundwire_qcom gpio_wcd934x q6asm_dai q6routing
q6adm q6afe_dai snd_soc_hdmi_codec q6afe q6asm q6dsp_common q6cor
display_connector rmtfs_mem drm ip_tables x_tables ipv6
[last unloaded: venus_core]
CPU: 6 PID: 889 Comm: modprobe Tainted: G W 5.10.0-rc1+ #8
Hardware name: Thundercomm Dragonboard 845c (DT)
pstate: 80400085 (Nzcv daIf +PAN -UAO -TCO BTYPE=--)
pc : queued_spin_lock_slowpath+0x1dc/0x3c8
lr : do_raw_spin_lock+0xc0/0x118
sp : ffff8000142cb7b0
x29: ffff8000142cb7b0 x28: 0000000000000013
x27: ffffa44f72de5690 x26: 0000000000000003
x25: ffff17c2d00f8080 x24: ffff17c2c0d78010
x23: ffff17c2c0d4f700 x22: ffff17c2d00f8080
x21: 0000000000000000 x20: ffffa44f74148000
x19: ffff17c2c0d4f8f8 x18: 0000000000000000
x17: 0000000000000000 x16: ffffa44f7342f158
x15: 0000000000000040 x14: ffffa44f746e8320
x13: 0000000000000228 x12: 0000000000000020
x11: 0000000000000000 x10: 00000000001c0000
x9 : 0000000000000000 x8 : ffff17c33d746ac0
x7 : ffff17c2c109b000 x6 : ffffa44f7416eac0
x5 : ffff17c33d746ac0 x4 : 0000000000000000
x3 : ffff17c2c0d4f8f8 x2 : ffffa44f7416eae0
x1 : ffffa44f7416eae0 x0 : ffff17c33d746ac8
Call trace:
queued_spin_lock_slowpath+0x1dc/0x3c8
do_raw_spin_lock+0xc0/0x118
_raw_spin_lock_irqsave+0x80/0x14c
__pm_runtime_resume+0x38/0xb8
device_link_add+0x3b8/0x5d0
core_get_v4+0x268/0x2d8 [venus_core]
venus_probe+0x108/0x458 [venus_core]
platform_drv_probe+0x54/0xa8
really_probe+0xe4/0x3b0
driver_probe_device+0x58/0xb8
device_driver_attach+0x74/0x80
__driver_attach+0x58/0xe8
bus_for_each_dev+0x70/0xc0
driver_attach+0x24/0x30
bus_add_driver+0x150/0x1f8
driver_register+0x64/0x120
__platform_driver_register+0x48/0x58
qcom_venus_driver_init+0x20/0x1000 [venus_core]
do_one_initcall+0x84/0x458
do_init_module+0x58/0x208
load_module+0x1ec0/0x26a8
__do_sys_finit_module+0xb8/0xf8
__arm64_sys_finit_module+0x20/0x30
el0_svc_common.constprop.0+0x7c/0x1c0
do_el0_svc+0x24/0x90
el0_sync_handler+0x180/0x188
el0_sync+0x174/0x180
Code: 91002100 8b0200c2 f861d884 aa0203e1 (f8246828)
---[ end trace f1f687c15fd6b2ca ]---
note: modprobe[889] exited with preempt_count 1
After revisit the OPP part of the code I found that OPP pmdomain
is detached with direct call to dev_pm_domain_detach instead of
OPP wraper for detaching pmdomains with OPP table. Correct this
by calling the OPP dev_pm_opp_detach_genpd.
Fixes:
|
||
|---|---|---|
| .. | ||
| am437x | ||
| atmel | ||
| cadence | ||
| coda | ||
| davinci | ||
| exynos-gsc | ||
| exynos4-is | ||
| marvell-ccic | ||
| mtk-jpeg | ||
| mtk-mdp | ||
| mtk-vcodec | ||
| mtk-vpu | ||
| omap | ||
| omap3isp | ||
| qcom | ||
| rcar-vin | ||
| rockchip/rga | ||
| s3c-camif | ||
| s5p-g2d | ||
| s5p-jpeg | ||
| s5p-mfc | ||
| sti | ||
| stm32 | ||
| sunxi | ||
| ti-vpe | ||
| vsp1 | ||
| xilinx | ||
| Kconfig | ||
| Makefile | ||
| aspeed-video.c | ||
| fsl-viu.c | ||
| imx-pxp.c | ||
| imx-pxp.h | ||
| m2m-deinterlace.c | ||
| mx2_emmaprp.c | ||
| pxa_camera.c | ||
| rcar-fcp.c | ||
| rcar_drif.c | ||
| rcar_fdp1.c | ||
| rcar_jpu.c | ||
| renesas-ceu.c | ||
| sh_vou.c | ||
| via-camera.c | ||
| via-camera.h | ||
| video-mux.c | ||