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请教个问题：这个开发板烧录OpenHarmony 3.2 Master分支最新的版本，烧录进去之后无法正常启动。执行do_one_initcall至level 7，最后执行到synchronize_rcu();陷在里面没出来。
早几周没这个现象，最近几天才碰到的。不知道楼主有没有注意到？
下面是最后调用synchronize_rcu();之前打印的。
[ 7.497219] Call trace:
[ 7.497242] dump_backtrace+0x0/0x1a8
[ 7.497258] show_stack+0x2c/0x38
[ 7.497278] dump_stack+0xd4/0x110
[ 7.497297] __sysrq_swap_key_ops+0xd0/0x140
[ 7.497311] register_sysrq_key+0x2c/0x38
[ 7.497329] __drm_fb_helper_initial_config_and_unlock+0x41c/0x4c8
[ 7.497345] drm_fb_helper_initial_config+0x3c/0x50
[ 7.497364] rockchip_drm_fbdev_init+0xb4/0xfc
[ 7.497382] rockchip_drm_bind+0x4c4/0x660
[ 7.497401] try_to_bring_up_master+0x238/0x284
[ 7.497417] __component_add+0xec/0x144
[ 7.497433] component_add+0x2c/0x38
[ 7.497450] dw_mipi_dsi_rockchip_host_attach+0x30/0xb4
[ 7.497469] dw_mipi_dsi_host_attach+0xfc/0x11c
[ 7.497485] mipi_dsi_attach+0x34/0x48
[ 7.497502] HdfDrmPanelEntryInit+0x260/0x37c
[ 7.497521] HdfDeviceLaunchNode+0x118/0x1a0
[ 7.497537] HdfDeviceAttach+0x108/0x158
[ 7.497554] DevHostServiceAddDevice+0x170/0x1c4
[ 7.497573] DevHostServiceClntInstallDriver+0x134/0x1a4
[ 7.497589] DevmgrServiceAttachDeviceHost+0xac/0xc0
[ 7.497606] DevmgrServiceClntAttachDeviceHost+0xcc/0xe0
[ 7.497622] DevHostServiceStartService+0x38/0x3c
[ 7.497638] DriverInstallerStartDeviceHost+0x78/0xd4
[ 7.497656] DevmgrServiceStartHostProcess+0xb0/0x198
[ 7.497674] DevmgrServiceStartDeviceHost+0x124/0x194
[ 7.497692] DevmgrServiceStartDeviceHosts+0xf8/0x150
[ 7.497711] DevmgrServiceStartService+0x9c/0xb0
[ 7.497727] DeviceManagerStart+0xbc/0x114
[ 7.497745] DeviceManagerInit+0x64/0xdc
[ 7.497762] do_one_initcall_nmw_level7+0x80/0x19c
[ 7.497780] kernel_init_freeable+0x380/0x388
[ 7.497797] kernel_init+0x34/0x174
[ 7.497813] ret_from_fork+0x10/0x18 |
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