W dniu 19.12.2023 o 13:03, Johannes Berg pisze: > On Thu, 2023-12-14 at 22:49 +0100, Mateusz Jończyk wrote: >> W dniu 14.12.2023 o 22:45, Mateusz Jończyk pisze: >>> Hello, >>> >>> Since upgrading to 6.7-rc kernels, I have been getting the following error >>> message in dmesg >>> while resuming from suspend: >>> >>> [ 83.302944] debugfs: Directory 'iwlmvm' with parent 'netdev:wlp2s0' already >>> present! >>> [ 83.302963] iwlwifi 0000:02:00.0: Failed to create debugfs directory under >>> netdev:wlp2s0 >>> >> OK, now I see >> >> https://patchwork.kernel.org/project/linux-wireless/patch/20231211085121.88a950f43e16.Id71181780994649219685887c0fcad33d387cc78@changeid/ >> >> ("wifi: mac80211: don't re-add debugfs during reconfig") >> >> Will see if this fixes the issue. >> > Did that work? I think we need > > https://patchwork.kernel.org/project/linux-wireless/patch/20231220043149.ddd48c66ec6b.Ia81080d92129ceecf462eceb4966bab80df12060@changeid/ > > in addition ... > > johannes Unfortunately, these two patches together do not fix the issue. I have tested them on top of 6.7.0-rc6, together with a patch that adds a dump_stack() to start_creating() in fs/debugfs/inode.c in case of error. Hardware: 02:00.0 Network controller [0280]: Intel Corporation Wireless 7265 [8086:095a] (rev 61) Subsystem: Intel Corporation Dual Band Wireless-AC 7265 [8086:5010] Old AMD AM2+ motherboard (MSI KA780G) from around 2010. Greetings, Mateusz ------------------------------ [ 55.188244] iwlwifi 0000:02:00.0: Applying debug destination EXTERNAL_DRAM [ 55.266033] iwlwifi 0000:02:00.0: Applying debug destination EXTERNAL_DRAM [ 55.269004] iwlwifi 0000:02:00.0: FW already configured (0) - re-configuring [ 55.273661] ACPI: \: failed to evaluate _DSM bf0212f2-788f-c64d-a5b3-1f738e285ade (0x1001) [ 55.273673] ACPI: \: failed to evaluate _DSM bf0212f2-788f-c64d-a5b3-1f738e285ade (0x1001) [ 55.273678] ACPI: \: failed to evaluate _DSM bf0212f2-788f-c64d-a5b3-1f738e285ade (0x1001) [ 55.273682] ACPI: \: failed to evaluate _DSM bf0212f2-788f-c64d-a5b3-1f738e285ade (0x1001) [ 55.273686] ACPI: \: failed to evaluate _DSM bf0212f2-788f-c64d-a5b3-1f738e285ade (0x1001) [ 55.273689] ACPI: \: failed to evaluate _DSM bf0212f2-788f-c64d-a5b3-1f738e285ade (0x1001) [ 55.273693] ACPI: \: failed to evaluate _DSM bf0212f2-788f-c64d-a5b3-1f738e285ade (0x1001) [ 55.274768] debugfs: Directory 'iwlmvm' with parent 'netdev:wlp2s0' already present! [ 55.274776] CPU: 2 PID: 1327 Comm: NetworkManager Not tainted 6.7.0-rc6unif32-00003-g955274890fe4 #433 [ 55.274779] Hardware name: MICRO-STAR INTERNATIONAL CO.,LTD MS-7551/KA780G (MS-7551), BIOS V16.7 08/05/2010 [ 55.274782] Call Trace: [ 55.274784] <TASK> [ 55.274788] dump_stack_lvl+0x37/0x50 [ 55.274795] dump_stack+0x10/0x20 [ 55.274797] start_creating+0xfa/0x1a0 [ 55.274804] debugfs_create_dir+0x1b/0x170 [ 55.274809] iwl_mvm_vif_add_debugfs+0x2b/0x220 [iwlmvm] [ 55.274860] drv_add_interface+0x25f/0x280 [mac80211] [ 55.274979] ieee80211_do_open+0x4d6/0x710 [mac80211] [ 55.275054] ? ieee80211_check_concurrent_iface+0x180/0x230 [mac80211] [ 55.275128] ieee80211_open+0x69/0x90 [mac80211] [ 55.275204] __dev_open+0xf0/0x1a0 [ 55.275209] __dev_change_flags+0x190/0x200 [ 55.275211] ? skb_queue_tail+0x48/0x60 [ 55.275215] dev_change_flags+0x26/0x70 [ 55.275217] do_setlink+0x867/0x11e0 [ 55.275220] ? rtnl_getlink+0x390/0x420 [ 55.275223] ? __nla_validate_parse+0x5d/0xf90 [ 55.275229] __rtnl_newlink+0x523/0xaa0 [ 55.275232] ? rtnl_newlink+0x30/0x70 [ 55.275235] rtnl_newlink+0x49/0x70 [ 55.275237] rtnetlink_rcv_msg+0x16f/0x440 [ 55.275239] ? _raw_write_unlock_bh+0x1a/0x20 [ 55.275243] ? fib6_walker_unlink+0x49/0x60 [ 55.275247] ? fib6_walk+0x8b/0xa0 [ 55.275249] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 55.275252] netlink_rcv_skb+0x5b/0x110 [ 55.275256] rtnetlink_rcv+0x15/0x20 [ 55.275259] netlink_unicast+0x1b5/0x260 [ 55.275262] netlink_sendmsg+0x250/0x4d0 [ 55.275265] __sock_sendmsg+0xba/0xc0 [ 55.275269] ____sys_sendmsg+0x236/0x340 [ 55.275273] ___sys_sendmsg+0x81/0xc0 [ 55.275276] ? _copy_from_iter+0xb7/0x5d0 [ 55.275279] ? kfree+0x76/0x110 [ 55.275283] ? proc_sys_call_handler+0xb8/0x250 [ 55.275287] ? __fget_light+0xd1/0x130 [ 55.275291] __sys_sendmsg+0x65/0xc0 [ 55.275295] __x64_sys_sendmsg+0x1f/0x30 [ 55.275297] do_syscall_64+0x41/0xf0 [ 55.275301] entry_SYSCALL_64_after_hwframe+0x56/0x5e [ 55.275306] RIP: 0033:0x7f5a8c97418d [ 55.275309] Code: 28 89 54 24 1c 48 89 74 24 10 89 7c 24 08 e8 ca ee ff ff 8b 54 24 1c 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 2f 44 89 c7 48 89 44 24 08 e8 fe ee ff ff 48 [ 55.275312] RSP: 002b:00007fff2c7b74e0 EFLAGS: 00000293 ORIG_RAX: 000000000000002e [ 55.275315] RAX: ffffffffffffffda RBX: 000055d5ddbf8c00 RCX: 00007f5a8c97418d [ 55.275317] RDX: 0000000000000000 RSI: 00007fff2c7b7530 RDI: 000000000000000c [ 55.275319] RBP: 00007fff2c7b7530 R08: 0000000000000000 R09: 0000000000000000 [ 55.275320] R10: 000055d5ddb95010 R11: 0000000000000293 R12: 000055d5ddbf8c00 [ 55.275322] R13: 00007fff2c7b76e8 R14: 00007fff2c7b76dc R15: 0000000000000000 [ 55.275324] </TASK> [ 55.275328] iwlwifi 0000:02:00.0: Failed to create debugfs directory under netdev:wlp2s0 [ 58.899942] wlp2s0: 80 MHz not supported, disabling VHT [ 58.906183] wlp2s0: authenticate with 50:c7:bf:2c:a9:32 (local address=b8:9a:2a:5a:b8:56) [ 58.906808] wlp2s0: send auth to 50:c7:bf:2c:a9:32 (try 1/3) [ 58.908969] wlp2s0: authenticated [ 58.909602] wlp2s0: associate with 50:c7:bf:2c:a9:32 (try 1/3) [ 58.911326] wlp2s0: RX AssocResp from 50:c7:bf:2c:a9:32 (capab=0x431 status=0 aid=5) [ 58.913643] wlp2s0: associated