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Reply-To: whiteheadm@acm.org
From:   tedheadster <tedheadster@gmail.com>
Date:   Tue, 30 Apr 2019 22:46:49 -0400
Message-ID: <CAP8WD_bTvWWTeh6BP_qgByiuWLbSN==CTBY1KD-v8XpWZkf_Rw@mail.gmail.com>
Subject: carl9170 crash
To:     Christian Lamparter <chunkeey@googlemail.com>,
        linux-wireless@vger.kernel.org
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Sender: linux-wireless-owner@vger.kernel.org
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Christian,
  I am getting this crash for the carl9170 in recent kernels, though I
have not yet bisected it. It hangs the networking system completely
(ifconfig -a never returns) and it prevents a reboot. I have to use
sysrq-b to 'cleanly' reboot the system.

I can apply and test any patches.

usbcore: registered new interface driver carl9170
usb 1-1: driver   API: 1.9.9 2016-02-15 [1-1]
usb 1-1: firmware API: 1.9.6 2012-07-07
ath: EEPROM regdomain: 0x3a
ath: EEPROM indicates we should expect a direct regpair map
ath: Country alpha2 being used: BM
ath: Regpair used: 0x3a
PREEMPT
CPU: 0 PID: 44 Comm: kworker/0:2 Not tainted 5.1.0-rc7.pentiumii-laptop #1446
Workqueue: events request_firmware_work_func
EIP: nl80211_send_wiphy+0x558/0x1a58 [cfg80211]
Code: 0f 85 73 02 00 00 80 7f 16 00 75 0c 80 7f 2c 00 0f 84 a4 00 00
00 eb 6a 8d 47 19 ba 03 00 00 00 50 b9 10 00 00 00 8b 75 bc c9 <f0> e8
2a ae 81 f8 5a cd c0 0f 85 5d 14 00 00 4d b7 4f 14 ba 04 00
EAX: c891205d EBX: c4a76000 ECX: 00000010 EDX: 00000003
ESI: c76fa5a0 EDI: c8912044 EBP: c036de14 ESP: c036ddd4
DS: 007b ES: 007b FS: 0000 GS: 0000 SS: 0068 EFLAGS: 00010202
CR0: 80050033 CR2: b716c540 CR3: 07618000 CR4: 00000290
Call Trace:
 ? nl80211_notify_wiphy+0x52/0x84 [cfg80211]
 wiphy_register+0x303/0x624 [cfg80211]
 ? ieee80211_register_hw+0x325/0x94a [mac80211]
 ? __kmalloc+0x8c/0x9c
 ? ieee80211_cs_list_valid+0xb/0x31 [mac80211]
 ieee80211_register_hw+0x68f/0x94a [mac80211]
 ? ath_reg_apply_radar_flags.isra.4+0xb/0x62 [ath]
 ? ath_reg_apply_world_flags+0xa/0xba [ath]
 ? ath_regd_init+0xd8/0xec [ath]
 ? carl9170_op_bss_info_changed+0x16a/0x16a [carl9170]
 carl9170_register+0x1f5/0x36d [carl9170]
 ? carl9170_register+0x1f5/0x36d [carl9170]
 carl9170_usb_firmware_step2+0x226/0x251 [carl9170]
 request_firmware_work_func+0x2a/0x51
 process_one_work+0x134/0x260
 worker_thread+0x18b/0x24a
 kthread+0xcd/0xcf
 ? cancel_delayed_work_sync+0x14/0x14
 ? kthread_create_worker_on_cpu+0x1c/0x1c
 ret_from_fork+0x19/0x24
Modules linked in: carl9170 mac80211 ath cfg80211 r8169 realtek libphy
rfkill uhci_hcd ehci_pci ehci_hcd pcmcia usbcore i2c_piix4 i2c_core
usb_common yenta_socket pcmcia_rsrc pcmcia_core autofs4
---[ end trace dbf0bc816dabbb51 ]---
EIP: nl80211_send_wiphy+0x558/0x1a58 [cfg80211]
Code: 0f 85 73 02 00 00 80 7f 16 00 75 0c 80 7f 2c 00 0f 84 a4 00 00
00 eb 6a 8d 47 19 ba 03 00 00 00 50 b9 10 00 00 00 8b 75 bc c9 <f0> e8
2a ae 81 f8 5a cd c0 0f 85 5d 14 00 00 4d b7 4f 14 ba 04 00
EAX: c891205d EBX: c4a76000 ECX: 00000010 EDX: 00000003
ESI: c76fa5a0 EDI: c8912044 EBP: c036de14 ESP: c15b02b8
DS: 007b ES: 007b FS: 0000 GS: 0000 SS: 0068 EFLAGS: 00010202
CR0: 80050033 CR2: b7271500 CR3: 0770f000 CR4: 00000290
r8169 0000:06:00.0 enp6s0: Link is Up - 1Gbps/Full - flow control rx/tx

- Matthew Whitehead