Hi Dmitry, On Mon, Jul 29, 2024 at 12:01 PM Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxx> wrote: > > #regzbot: introduced: > 973dd9c4db4746200f88fe46e30eada7054fdbea..84f9288208dfcd955446060a53add15b9e01af4e > > On Mon, 29 Jul 2024 at 13:21, Paul Menzel <pmenzel@xxxxxxxxxxxxx> wrote: > > Am 29.07.24 um 04:11 schrieb Dmitry Baryshkov: > > > > > On Qualcomm Dragonboard 820c (APQ8096, QCA6174) soon after the boot I > > > observe the following crash: > > > > > > Unable to handle kernel NULL pointer dereference at virtual address 0000000000000018 > > > Mem abort info: > > > ESR = 0x0000000096000006 > > > EC = 0x25: DABT (current EL), IL = 32 bits > > > SET = 0, FnV = 0 > > > EA = 0, S1PTW = 0 > > > FSC = 0x06: level 2 translation fault > > > Data abort info: > > > ISV = 0, ISS = 0x00000006, ISS2 = 0x00000000 > > > CM = 0, WnR = 0, TnD = 0, TagAccess = 0 > > > GCS = 0, Overlay = 0, DirtyBit = 0, Xs = 0 > > > user pgtable: 4k pages, 48-bit VAs, pgdp=000000010da63000 > > > [0000000000000018] pgd=080000010da62003, p4d=080000010da62003, pud=080000010da61003, pmd=0000000000000000 > > > Internal error: Oops: 0000000096000006 [#1] PREEMPT SMP > > > Modules linked in: hci_uart btqca > > > CPU: 2 UID: 0 PID: 66 Comm: kworker/u19:0 Not tainted 6.10.0-next-20240726-13923-gd3ce7ebd61f9-dirty #2722 > > > > I am unable to find the commit. Your tree also seems dirty. What is the > > last working commit? > > Checked the commit range on the linux-bluetooth branch, hope this helps. Im currently traveling so it would take some time for me to investigate this but I suspect it could be some of the changes introduced by Bartosz with power sequence, @Bartosz Golaszewski perhaps you can help? > > > > > Hardware name: Qualcomm Technologies, Inc. DB820c (DT) > > > Workqueue: hci0 hci_power_off > > > pstate: 60000005 (nZCv daif -PAN -UAO -TCO -DIT -SSBS BTYPE=--) > > > pc : qca_power_shutdown+0x8c/0x210 [hci_uart] > > > lr : qca_power_shutdown+0x7c/0x210 [hci_uart] > > > sp : ffff8000836f3c50 > > > x29: ffff8000836f3c50 x28: ffff00008337b900 x27: ffff000084085000 > > > x26: 0000000000000000 x25: 0000000000000000 x24: ffff00009276f800 > > > x23: ffff00009276f918 x22: ffff000081e1fc80 x21: 0000000000000001 > > > x20: ffff000081e1fc80 x19: ffff00009276f800 x18: ffff0000de422170 > > > x17: 0000000000061d88 x16: 0000000000000000 x15: 0000000000000001 > > > x14: ffff0000813b3580 x13: 0000000000000000 x12: 00000000000001a0 > > > x11: 0000000000000001 x10: 00000000000013f0 x9 : 0000000000000000 > > > x8 : ffff8000836f3b40 x7 : 0000000000000000 x6 : ffff800080d52e88 > > > x5 : 0000000000000000 x4 : ffff8000836f0000 x3 : 0000000000000000 > > > x2 : 0000000000000000 x1 : ffff00008f56d000 x0 : 0000000000000000 > > > Call trace: > > > qca_power_shutdown+0x8c/0x210 [hci_uart] > > > qca_power_off+0x70/0xfb8 [hci_uart] > > > hci_dev_close_sync+0x4b0/0x6d8 > > > hci_power_off+0x2c/0x44 > > > process_one_work+0x20c/0x62c > > > worker_thread+0x1bc/0x36c > > > kthread+0x120/0x124 > > > ret_from_fork+0x10/0x20 > > > Code: f9400681 b4000441 f9403c36 f94102c0 (f9400c00) > > > ---[ end trace 0000000000000000 ]--- > > If you can reproduce this, bisecting this would be great. > > > > > > Kind regards, > > > > Paul > > > > -- > With best wishes > Dmitry -- Luiz Augusto von Dentz
