Hi I'm seeing this problem since the merge window opened BUG: unable to handle page fault for address: ffffffffffffffa0 #PF: supervisor read access in kernel mode #PF: error_code(0x0000) - not-present page PGD 480c067 P4D 480c067 PUD 480e067 PMD 0 Oops: Oops: 0000 [#1] PREEMPT SMP CPU: 2 UID: 0 PID: 476 Comm: NetworkManager Tainted: G W 6.10.0-tip+ #4105 Tainted: [W]=WARN Hardware name: ASUSTeK COMPUTER INC. ROG Strix G513QY_G513QY/G513QY, BIOS G513QY.331 02/24/2023 RIP: 0010:mt792x_mac_link_bss_remove+0x2b/0x100 Code: 0f 1e fa 41 57 41 56 41 55 41 54 53 4c 8b 66 18 44 0f b7 aa b8 00 00 00 8b 46 60 48 89 d3 49 89 f7 49 89 fe 48 83 f8 0e 77 13 <66> 41 83 7c 24 a0 00 74 0a 4d 8b a4 c4 28 ff ff ff eb 07 49 81 c4 RSP: 0018:ffff88811d3ab350 EFLAGS: 00010293 RAX: 0000000000000000 RBX: ffff888105b09f20 RCX: ffff888105b099b0 RDX: ffff888105b09f20 RSI: ffff888105b09e40 RDI: ffff888114962020 RBP: ffff888114961218 R08: 0000000000000000 R09: ffffffff839123a0 R10: 0000000000000117 R11: 0000000000000400 R12: 0000000000000000 R13: 0000000000000013 R14: ffff888114962020 R15: ffff888105b09e40 FS: 00007fcffe178400(0000) GS:ffff888fde480000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffffffffffffa0 CR3: 00000001218eb000 CR4: 0000000000350ef0 Call Trace: <TASK> ? __die_body+0x61/0xb0 ? page_fault_oops+0x2eb/0x340 ? exc_page_fault+0x66/0xa0 ? asm_exc_page_fault+0x26/0x30 ? mt792x_mac_link_bss_remove+0x2b/0x100 ? mt792x_remove_interface+0x70/0x90 ? drv_remove_interface+0x5a/0x140 ? ieee80211_do_stop+0x6f4/0x800 ? ieee80211_stop+0x13d/0x160 ? __dev_close_many+0x119/0x150 ? __dev_change_flags+0xc9/0x1b0 ? dev_change_flags+0x1d/0x50 ? do_setlink+0x496/0x1300 ? schedule_timeout+0x1f/0x180 ? _raw_spin_lock_irqsave+0x26/0x50 ? __nla_validate_parse ? _raw_spin_lock_irqsave+0x26/0x50 ? rtnl_newlink+0xb5a/0xdd0 ? ctrl_getfamily+0x153/0x230 ? sk_filter_trim_cap+0x12f/0x250 ? kmalloc_reserve+0x43/0xf0 ? __alloc_skb+0x10f/0x1a0 ? skb_queue_tail+0x1b/0x50 ? rtnetlink_rcv_msg+0x2dc/0x330 ? rtnetlink_bind+0x30/0x30 ? netlink_rcv_skb+0xb5/0xf0 ? netlink_unicast+0x230/0x330 ? netlink_sendmsg+0x305/0x3d0 ? ____sys_sendmsg ? __sys_sendmsg+0x295/0x2d0 ? do_syscall_64+0x72/0xf0 ? crng_make_state+0x60/0x150 ? get_random_bytes_user+0xdf/0x220 ? syscall_exit_to_user_mode+0x97/0xb0 ? do_syscall_64+0x7e/0xf0 ? syscall_exit_to_user_mode+0x97/0xb0 ? do_syscall_64+0x7e/0xf0 ? do_syscall_64+0x7e/0xf0 ? syscall_exit_to_user_mode+0x97/0xb0 ? do_syscall_64+0x7e/0xf0 ? irqentry_exit_to_user_mode+0x8d/0xa0 ? entry_SYSCALL_64_after_hwframe+0x4b/0x53 </TASK> Modules linked in: CR2: ffffffffffffffa0 ---[ end trace 0000000000000000 ]--- pstore: backend (efi_pstore) writing error (-28) RIP: 0010:mt792x_mac_link_bss_remove+0x2b/0x100 Code: 0f 1e fa 41 57 41 56 41 55 41 54 53 4c 8b 66 18 44 0f b7 aa b8 00 00 00 8b 46 60 48 89 d3 49 89 f7 49 89 fe 48 83 f8 0e 77 13 <66> 41 83 7c 24 a0 00 74 0a 4d 8b a4 c4 28 ff ff ff eb 07 49 81 c4 RSP: 0018:ffff88811d3ab350 EFLAGS: 00010293 RAX: 0000000000000000 RBX: ffff888105b09f20 RCX: ffff888105b099b0 RDX: ffff888105b09f20 RSI: ffff888105b09e40 RDI: ffff888114962020 RBP: ffff888114961218 R08: 0000000000000000 R09: ffffffff839123a0 R10: 0000000000000117 R11: 0000000000000400 R12: 0000000000000000 R13: 0000000000000013 R14: ffff888114962020 R15: ffff888105b09e40 FS: 00007fcffe178400(0000) GS:ffff888fde480000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffffffffffffa0 CR3: 00000001218eb000 CR4: 0000000000350ef0 note: NetworkManager[476] exited with irqs disabled Bluetooth: hci0: Device setup in 3100848 usecs Bluetooth: hci0: HCI Enhanced Setup Synchronous Connection command is advertised, but not supported. Bluetooth: hci0: AOSP extensions version v1.00 Bluetooth: hci0: AOSP quality report is supported Bluetooth: MGMT ver 1.23 Kernel 6.11-rc0 Compiled with Clang 18.1.8 The driver is compiled into the kernel, not as a module CONFIG_MT76_CORE=y CONFIG_MT76_LEDS=y CONFIG_MT76_CONNAC_LIB=y CONFIG_MT792x_LIB=y CONFIG_MT7921_COMMON=y CONFIG_MT7921E=y
1541d63c5fe2cebce85b2af84a2850a302ffda9c is the first bad commit commit 1541d63c5fe2cebce85b2af84a2850a302ffda9c Author: Sean Wang <sean.wang@mediatek.com> Date: Wed Jun 12 20:02:40 2024 -0700 wifi: mt76: mt7925: add mt7925_mac_link_bss_remove to remove per-link BSS The mt7925_mac_link_bss_remove function currently removes the per-link BSS. We will extend this function when we implement the MLO functionality. This patch only includes structural changes and does not involve any logic changes. Signed-off-by: Sean Wang <sean.wang@mediatek.com> Link: https://patch.msgid.link/20240613030241.5771-47-sean.wang@kernel.org Signed-off-by: Felix Fietkau <nbd@nbd.name> drivers/net/wireless/mediatek/mt76/mt792x_core.c | 35 +++++++++++++++++++++-------------- 1 file changed, 21 insertions(+), 14 deletions(-)
Reverting the following 4 patches was enough to get things working again: d53ab629cff57e450fe69fc90eb1ddc372e8da2d ebb1406813c6ea60d2d95efc69ce6d53bbe43b31 69acd6d910b0c83842bd45c36224d4f8fe59d1d4 1541d63c5fe2cebce85b2af84a2850a302ffda9c
Sean Wang, is not on this bug tracker, so it would be nice if you sent your findings to linux-wireless@vger.kernel.org and sean.wang@mediatek.com Thanks.
TWIMC, I suspect (but might be wrong there!) this might be fixed by https://lore.kernel.org/all/20240718234633.12737-1-sean.wang@kernel.org/
It is indeed :D Thanks