On Tue, Jan 25, 2022 at 02:00:33PM +0000, Mike Lothian wrote: > Hi > > This patch is stopping my ASUS G513QY from booting correctly > > BUG: kernel NULL pointer dereference, address: 0000000000000008 > #PF: supervisor read access in kernel mode > #PF: error_code(0x0000) - not-present page > PGD 0 P4D 0 > Oops: 0000 [#1] PREEMPT SMP NOPTI > CPU: 1 PID: 116 Comm: kworker/1:1 Not tainted 5.16.0-rc6-tip+ #2991 > Hardware name: ASUSTeK COMPUTER INC. ROG Strix G513QY_G513QY/G513QY, BIOS G513QY.316 11/29/2021 > Workqueue: events_long ucsi_init_work > RIP: 0010:component_master_add_with_match+0x11/0x190 > Code: cc cc 00 00 cc cc 00 00 cc 49 89 c9 49 89 d0 31 d2 31 c9 e9 c1 fe ff ff 00 55 41 57 41 56 41 54 53 48 89 d3 49 89 f4 49 89 ff <48> 8b 72 08 48 89 d7 e8 73 01 00 00 89 c5 85 c0 0f 85 55 01 00 00 > RSP: 0018:ffff8881029f7d48 EFLAGS: 00010282 > RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001 > RDX: 0000000000000000 RSI: ffffffff83095658 RDI: ffff888117658c08 > RBP: 0000000000000000 R08: ffff88810158e258 R09: ffffea00045d9e00 > R10: 0000001000000000 R11: ffffffff81be3720 R12: ffffffff83095658 > R13: ffff888117630a68 R14: ffff888117658c08 R15: ffff888117658c08 > FS: 0000000000000000(0000) GS:ffff888fde440000(0000) knlGS:0000000000000000 > CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 > CR2: 0000000000000008 CR3: 00000000ac20c000 CR4: 0000000000150ee0 > Call Trace: > <TASK> > ? typec_link_ports+0x45/0x50 > ? typec_register_port+0x20f/0x260 > ? ucsi_register_port+0x33c/0x700 > ? __kmalloc+0x14e/0x2a0 > ? ucsi_init_work+0x15a/0x330 > ? process_one_work+0x1dd/0x380 > ? worker_thread+0x26d/0x4a0 > ? kthread+0x182/0x1a0 > ? worker_clr_flags+0x40/0x40 > ? kthread_blkcg+0x30/0x30 > ? ret_from_fork+0x22/0x30 > </TASK> > Modules linked in: > CR2: 0000000000000008 > ---[ end trace 9c7dfbb7c9eaa418 ]--- > RIP: 0010:component_master_add_with_match+0x11/0x190 > Code: cc cc 00 00 cc cc 00 00 cc 49 89 c9 49 89 d0 31 d2 31 c9 e9 c1 fe ff ff 00 55 41 57 41 56 41 54 53 48 89 d3 49 89 f4 49 89 ff <48> 8b 72 08 48 89 d7 e8 73 01 00 00 89 c5 85 c0 0f 85 55 01 00 00 > RSP: 0018:ffff8881029f7d48 EFLAGS: 00010282 > RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001 > RDX: 0000000000000000 RSI: ffffffff83095658 RDI: ffff888117658c08 > RBP: 0000000000000000 R08: ffff88810158e258 R09: ffffea00045d9e00 > R10: 0000001000000000 R11: ffffffff81be3720 R12: ffffffff83095658 > R13: ffff888117630a68 R14: ffff888117658c08 R15: ffff888117658c08 > FS: 0000000000000000(0000) GS:ffff888fde440000(0000) knlGS:0000000000000000 > CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 > CR2: 0000000000000008 CR3: 00000000ac20c000 CR4: 0000000000150ee0 > > Is it due to the USB-C port on the Radeon 6800M? No. There is a fix pending: https://lore.kernel.org/linux-usb/20220124090228.41396-3-heikki.krogerus@xxxxxxxxxxxxxxx/ -- heikki
