Bug 13367 - Fixing occasional device number duplication issue with intel_th driver.
Summary: Fixing occasional device number duplication issue with intel_th driver.
Status: NEW
Alias: None
Product: ANCK 5.10 Dev
Classification: ANCK
Component: drivers (show other bugs) drivers
Version: 5.10.y-17
Hardware: All Linux
: P3-Medium S3-normal
Target Milestone: ---
Assignee: GuixinLiu
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Reported: 2025-01-10 08:50 UTC by ljubomir
Modified: 2025-03-04 14:18 UTC (History)
0 users

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Description ljubomir inspur_group 2025-01-10 08:50:13 UTC 
Description of problem:

[   14.101120] sysfs: cannot create duplicate filename '/dev/char/237:2'
[   14.107705] CPU: 1 PID: 849 Comm: modprobe Tainted: G           OE     4.19.91-26.4.3.kos5.x86_64 #1
[   14.116971] Hardware name: IEITSYSTEMS Qingqiu/Qingqiu, BIOS 1.02.08 03/21/2024
[   14.124415] Call Trace:
[   14.127007]  dump_stack+0x66/0x90
[   14.130462]  sysfs_warn_dup.cold.0+0x17/0x23
[   14.134871]  sysfs_do_create_link_sd.isra.0+0xaa/0xd0
[   14.140060]  device_add+0x5d5/0x690
[   14.143683]  intel_th_subdevice_alloc+0x385/0x450 [intel_th]
[   14.149477]  ? add_dr+0x35/0x60
[   14.152752]  ? add_dr+0x35/0x60
[   14.156026]  intel_th_output_enable+0xaf/0xe0 [intel_th]
[   14.161471]  intel_th_gth_probe+0x216/0x4a0 [intel_th_gth]
[   14.167090]  ? mutex_unlock+0x5/0x30
[   14.170801]  ? kernfs_remove_by_name_ns+0x5b/0x90
[   14.175639]  intel_th_probe+0x69/0x120 [intel_th]
[   14.180478]  really_probe+0x23e/0x390
[   14.184270]  driver_probe_device+0xd1/0x110
[   14.188585]  __driver_attach+0xea/0x110
[   14.192551]  ? driver_probe_device+0x110/0x110
[   14.197126]  ? driver_probe_device+0x110/0x110
[   14.201703]  bus_for_each_dev+0x63/0x90
[   14.205673]  bus_add_driver+0x152/0x230
[   14.209640]  ? 0xffffffffc0404000
[   14.210395] ngbe 0000:43:00.0: 4.000 Gb/s available PCIe bandwidth, limited by 5 GT/s x1 link at 0000:00:17.0 (capable of 16.000 Gb/s with 5 GT/s x4 link)
[   14.213086]  driver_register+0x6b/0xb0
[   14.213089]  ? 0xffffffffc0404000
[   14.213096]  do_one_initcall+0x46/0x1c3
[   14.233611] ngbe 0000:43:00.0 eth0: NCSI : support
[   14.234372]  ? free_unref_page_commit+0x9b/0x110
[   14.234377]  ? memcg_kmem_put_cache+0x5/0x50
[   14.238346] ngbe 0000:43:00.0 eth0: PHY: Internal, PBA No: Wang Xun GbE Family Controller
[   14.243264]  ? kmem_cache_alloc_trace+0x145/0x190
[   14.243267]  ? do_init_module+0x22/0x210
[   14.243272]  do_init_module+0x5a/0x210
[   14.248026] ngbe 0000:43:00.0 eth0: 02:02:03:15:01:01
[   14.252423]  load_module+0x1519/0x15d0
[   14.252429]  ? __se_sys_finit_module+0x82/0xc0
[   14.260737] ngbe 0000:43:00.0 eth0: Enabled Features: RxQ: 4 TxQ: 4
[   14.265569]  __se_sys_finit_module+0x82/0xc0
[   14.265573]  do_syscall_64+0x5f/0x1b0
Comment 1 小龙 admin 2025-01-10 08:54:33 UTC 
The PR Link: https://gitee.com/anolis/cloud-kernel/pulls/4470
Comment 2 小龙 admin 2025-02-19 15:25:39 UTC 
The PR Link: https://gitee.com/anolis/cloud-kernel/pulls/4659
Comment 3 小龙 admin 2025-03-03 14:49:04 UTC 
The PR Link: https://gitee.com/anolis/cloud-kernel/pulls/4736
Comment 4 小龙 admin 2025-03-04 14:11:30 UTC 
The PR Link: https://gitee.com/anolis/cloud-kernel/pulls/4756
Comment 5 小龙 admin 2025-03-04 14:18:19 UTC 
The PR Link: https://gitee.com/anolis/cloud-kernel/pulls/4757