Created attachment 313545 [details] gentoo-kernel_config_file When I pluged usb wireless adapter then I get kernel crash. You can see all details as below. >> lsusb Bus 002 Device 004: ID 0bda:8172 Realtek Semiconductor Corp. RTL8191SU 802.11n WLAN Adapter >> dmesg [ 183.045396] BUG: unable to handle kernel paging request at 0000000000003da8 [ 183.045400] IP: [<ffffffffa0bd45ce>] r871xu_dev_remove+0x44/0xe2 [r8712u] [ 183.045409] PGD 126e14067 PUD 126e1d067 PMD 0 [ 183.045412] Oops: 0000 [#1] SMP [ 183.045415] CPU 0 [ 183.045416] Modules linked in: r8712u(C) nvidia(PO) [ 183.045419] [ 183.045421] Pid: 501, comm: khubd Tainted: P C O 3.4.0-gentoo #5 Gigabyte Technology Co., Ltd. EX38-DQ6/EX38-DQ6 [ 183.045425] RIP: 0010:[<ffffffffa0bd45ce>] [<ffffffffa0bd45ce>] r871xu_dev_remove+0x44/0xe2 [r8712u] [ 183.045432] RSP: 0018:ffff88012a401c10 EFLAGS: 00010206 [ 183.045434] RAX: 0000000000000000 RBX: 00000000000006c0 RCX: 0000000000000000 [ 183.045435] RDX: ffff8800b048fb40 RSI: 0000000000000000 RDI: ffff8801228f5430 [ 183.045437] RBP: ffff88012a401c40 R08: 0000000000000000 R09: ffff88012a401c00 [ 183.045439] R10: ffffffff8117b685 R11: ffff88012a401b40 R12: ffff8801228f5430 [ 183.045440] R13: 0000000000000000 R14: ffff8801228f7800 R15: ffff8801228f7888 [ 183.045442] FS: 0000000000000000(0000) GS:ffff88012fc00000(0000) knlGS:0000000000000000 [ 183.045444] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b [ 183.045446] CR2: 0000000000003da8 CR3: 0000000122df3000 CR4: 00000000000007f0 [ 183.045448] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 183.045449] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 [ 183.045451] Process khubd (pid: 501, threadinfo ffff88012a400000, task ffff88012a422740) [ 183.045453] Stack: [ 183.045454] ffff88012a401c40 ffff8801228f5430 ffff8801228f5400 ffff8801228f7800 [ 183.045457] ffffffffa0bdc418 0000000000000000 ffff88012a401c70 ffffffff813cf393 [ 183.045460] ffff8801228f5430 ffffffffa0bdc418 ffffffff81c78c90 0000000000000000 [ 183.045463] Call Trace: [ 183.045468] [<ffffffff813cf393>] usb_unbind_interface+0x47/0xce [ 183.045472] [<ffffffff8135c4cb>] __device_release_driver+0x67/0xb0 [ 183.045474] [<ffffffff8135c532>] device_release_driver+0x1e/0x2b [ 183.045476] [<ffffffff8135bfaa>] bus_remove_device+0xdb/0xf0 [ 183.045480] [<ffffffff81359e4a>] device_del+0x122/0x17d [ 183.045482] [<ffffffff813ce19e>] usb_disable_device+0xa9/0x1f3 [ 183.045484] [<ffffffff813c7766>] usb_disconnect+0x96/0xfc [ 183.045487] [<ffffffff813c8c3b>] hub_thread+0x69b/0x1021 [ 183.045490] [<ffffffff8103467d>] ? __switch_to+0x1ac/0x33c [ 183.045494] [<ffffffff8108394a>] ? need_resched+0x1e/0x28 [ 183.045497] [<ffffffff8107a997>] ? wake_up_bit+0x25/0x25 [ 183.045499] [<ffffffff813c85a0>] ? usb_new_device+0x1d5/0x1d5 [ 183.045502] [<ffffffff8107a4c6>] kthread+0x84/0x8c [ 183.045506] [<ffffffff8160eb14>] kernel_thread_helper+0x4/0x10 [ 183.045508] [<ffffffff8107a442>] ? kthread_freezable_should_stop+0x46/0x46 [ 183.045511] [<ffffffff8160eb10>] ? gs_change+0xb/0xb [ 183.045512] Code: ec 08 e8 c6 7c 78 e0 4d 8b 7e 30 48 8d 98 c0 06 00 00 31 f6 49 89 c5 4c 89 e7 4d 8d b7 78 ff ff ff e8 33 7e 78 e0 48 85 db 74 71 <80> bb e8 36 00 00 00 74 0c 48 8b bb 38 38 00 00 e8 ce 00 79 e0 [ 183.045538] RIP [<ffffffffa0bd45ce>] r871xu_dev_remove+0x44/0xe2 [r8712u] [ 183.045544] RSP <ffff88012a401c10> [ 183.045545] CR2: 0000000000003da8 [ 183.045547] ---[ end trace b788a26bdc57196f ]--- [ 183.045557] khubd used greatest stack depth: 3656 bytes left
Can you please test gentoo-sources-3.4.3 ?
(In reply to comment #1) > Can you please test gentoo-sources-3.4.3 ? Hello Mike, Sure I can than I will inform you seeing that results. Cheers
Hi Mike, Sorry for delayed reply but issue is still same on v3.4.4 What can I do anything else ? Cheers
what was the last working kernel, do you remember?
Hi Mike, Sorry for delayed reply -again- last version which is my last tried is 3.4.4 but now I can be try with newer version if you want. cheers, -b3hzat