Hi, Douglas On Wed, 17 Aug 2022 at 22:26, Doug Anderson <dianders@xxxxxxxxxxxx> wrote: > > Hi, > > On Tue, Aug 16, 2022 at 5:58 AM Yongqin Liu <yongqin.liu@xxxxxxxxxx> wrote: > > > > HI, Douglas > > > > With this change, I get one kernel panic with my hikey960 > > android-mainline based Android build, > > if it's reverted, then the build could boot to the home screen successfully. > > From the log information I shared here, not sure if you have any idea > > what I could do to have the hikey960 > > build work with this change, > > > > The kernel panic is something like this, for details, please check the > > log here: http://ix.io/47Lq > > > > [ 10.738042][ T193] adv7511 1-0039: error 0000000000000000: Failed > > to get supply 'v1p2' > > [ 10.748457][ T194] apexd: Found pre-installed APEX > > /system/apex/com.android.os.statsd.apex > > [ 10.752908][ T67] Unable to handle kernel read from unreadable > > memory at virtual address 000000000000004c > > [ 10.753116][ T8] Unable to handle kernel read from unreadable > > memory at virtual address 0000000000000078 > > [ 10.753130][ T8] Mem abort info: > > [ 10.753135][ T8] ESR = 0x0000000096000005 > > [ 10.753142][ T8] EC = 0x25: DABT (current EL), IL = 32 bits > > [ 10.753152][ T8] SET = 0, FnV = 0 > > [ 10.753159][ T8] EA = 0, S1PTW = 0 > > [ 10.753166][ T8] FSC = 0x05: level 1 translation fault > > [ 10.753174][ T8] Data abort info: > > [ 10.753179][ T8] ISV = 0, ISS = 0x00000005 > > [ 10.753184][ T8] CM = 0, WnR = 0 > > [ 10.753192][ T8] user pgtable: 4k pages, 39-bit VAs, pgdp=0000000003098000 > > [ 10.753204][ T8] [0000000000000078] pgd=0000000000000000, > > p4d=0000000000000000, pud=0000000000000000 > > [ 10.753232][ T8] Internal error: Oops: 96000005 [#1] PREEMPT SMP > > [ 10.753245][ T8] Modules linked in: adv7511(E+) tcpci_rt1711h(E) > > hci_uart(E) btqca(E) btbcm(E) cpufreq_dt(E) hi3660_i2s(E) > > hisi_hikey_usb(E) hi6421_pmic_core(E) syscon_reboot_mode(E) > > reboot_mode(E) hi3660_mailbox(E) dw_mmc_k3(E) hisi_thermal(E) > > dw_mmc_pltfm(E) dw_mmc(E) kirin_drm(E) snd_soc_simple_card(E) > > snd_soc_simple_card_utils(E) spi_pl022(E) kirin_dsi(E) > > phy_hi3660_usb3(E) i2c_designware_platform(E) drm_cma_helper(E) > > i2c_designware_core(E) mali_kbase(OE) k3dma(E) cma_heap(E) > > system_heap(E) > > [ 10.753436][ T8] CPU: 2 PID: 8 Comm: kworker/u16:0 Tainted: G > > OE 5.19.0-mainline-03487-g86d047950300-dirty #1 > > [ 10.753454][ T8] Hardware name: HiKey960 (DT) > > [ 10.753463][ T8] Workqueue: events_unbound async_run_entry_fn > > [ 10.753497][ T8] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT > > -SSBS BTYPE=--) > > [ 10.753516][ T8] pc : regulator_bulk_enable_async+0x3c/0x98 > > [ 10.753540][ T8] lr : async_run_entry_fn+0x30/0xf8 > > [ 10.753559][ T8] sp : ffffffc009ed3d20 > > [ 10.753567][ T8] x29: ffffffc009ed3d40 x28: 0000000000000402 > > x27: ffffff801ad99828 > > [ 10.753592][ T8] x26: ffffff803217b010 x25: 0000000000000002 > > x24: ffffff8003385da8 > > [ 10.753617][ T8] x23: ffffff8003385da0 x22: ffffff801ad94805 > > x21: ffffff8003385da0 > > [ 10.753642][ T8] x20: 0000000000000000 x19: ffffff8003143d20 > > x18: ffffffc008075028 > > [ 10.753667][ T8] x17: 000000040044ffff x16: 0000000000000001 > > x15: 0000000000000010 > > [ 10.753691][ T8] x14: 0000000000000000 x13: 0000000000000f58 > > x12: 0000000082355555 > > [ 10.753715][ T8] x11: 00006acfbfa2f400 x10: 0000000000000016 x9 > > : 00ffffffffffffff > > [ 10.753740][ T8] x8 : da9ecda1b63b0500 x7 : 0000000000008080 x6 > > : 0000000000000000 > > [ 10.753764][ T8] x5 : 0000000000000001 x4 : 0000646e756f626e x3 > > : ffffff801ad99828 > > [ 10.753788][ T8] x2 : ffffff8003385da8 x1 : ffffffc009ed3d20 x0 > > : ffffff8003143d20 > > [ 10.753812][ T8] Call trace: > > [ 10.753818][ T8] regulator_bulk_enable_async+0x3c/0x98 > > [ 10.753839][ T8] async_run_entry_fn+0x30/0xf8 > > [ 10.753859][ T8] process_one_work+0x1d0/0x404 > > [ 10.753879][ T8] worker_thread+0x25c/0x43c > > [ 10.753897][ T8] kthread+0xf0/0x2c0 > > [ 10.753912][ T8] ret_from_fork+0x10/0x20 > > [ 10.753940][ T8] Code: f81f83a8 f9400814 a900ffff f90003ff (f9403e95) > > [ 10.753950][ T8] ---[ end trace 0000000000000000 ]--- > > [ 10.760621][ T194] apexd: Found pre-installed APEX > > /system/apex/com.android.permission.capex > > [ 10.767672][ T67] Mem abort info: > > [ 10.779658][ T194] apexd: Found pre-installed APEX > > /system/apex/com.android.art.capex > > [ 10.783690][ T67] ESR = 0x0000000096000005 > > [ 10.792424][ T194] apexd: Found pre-installed APEX > > /system/apex/com.android.scheduling.capex > > [ 10.794713][ T8] Kernel panic - not syncing: Oops: Fatal exception > > [ 10.794723][ T8] SMP: stopping secondary CPUs > > [ 10.798141][ T8] Kernel Offset: 0x70000 from 0xffffffc008000000 > > [ 10.798150][ T8] PHYS_OFFSET: 0x0 > > [ 10.798156][ T8] CPU features: 0x0000,00649020,00001086 > > [ 10.798167][ T8] Memory Limit: none > > Are you fixed by the patch ("regulator: core: Fix missing error return > from regulator_bulk_get()") [1] > > [1] https://lore.kernel.org/r/20220809142738.1.I91625242f137c707bb345c51c80c5ecee02eeff3@changeid Thanks for the check! I tested the above patch with the android-mainline based kernel, and it fixes the regulator_bulk_enable_async kernel panic reported here. -- Best Regards, Yongqin Liu --------------------------------------------------------------- #mailing list linaro-android@xxxxxxxxxxxxxxxx http://lists.linaro.org/mailman/listinfo/linaro-android