Bug 418155 – sys-kernel/gentoo-sources-3.4.0 - BUG: unable to handle kernel paging request at ... // r871xu_dev_remove+0x44/0xe2 [r8712u]

• Product: Gentoo Linux
• Status: RESOLVED TEST-REQUEST

[Description Behzat 2012-05-29 16:33:51 UTC]

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

[Comment 1 Mike Pagano 2012-06-20 22:52:20 UTC]

Can you please test gentoo-sources-3.4.3 ?

[Comment 2 Behzat 2012-06-21 18:09:12 UTC]

(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

[Comment 3 Behzat 2012-08-01 12:20:48 UTC]

Hi Mike,

Sorry for delayed reply but issue is still same on v3.4.4

What can I do anything else ?

Cheers

[Comment 4 Mike Pagano 2012-08-27 20:44:10 UTC]

what was the last working kernel, do you remember?

[Comment 5 Behzat 2012-11-17 11:35:09 UTC]

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