Return-path: Received: from mail-gx0-f174.google.com ([209.85.161.174]:36291 "EHLO mail-gx0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1758186Ab2CSIZI (ORCPT ); Mon, 19 Mar 2012 04:25:08 -0400 MIME-Version: 1.0 Date: Mon, 19 Mar 2012 08:25:07 +0000 Message-ID: (sfid-20120319_092533_831155_D7825526) Subject: oops on rmmod of rtl8192ce From: Dave Airlie To: Larry Finger Cc: LKML , Linux Wireless List Content-Type: text/plain; charset=ISO-8859-1 Sender: linux-wireless-owner@vger.kernel.org List-ID: Every so often on resume my rtl8192ce stops working, it can see APs but won't attach to any of them, I see 3 probes, then a direct probe timeout message. If I s/r a few times sometimes it comes back. This time I tried to rmmod rtl8192ce and got a nice oops. Mar 19 08:14:35 kvothe kernel: [ 6584.626011] Oops: 0000 [#1] SMP Mar 19 08:14:35 kvothe kernel: [ 6584.626011] CPU 1 Mar 19 08:14:35 kvothe kernel: [ 6584.626011] Modules linked in: tcp_lp fuse ppdev ebtable_nat parport_pc ebtables lp parport ipt_MASQUERADE iptable_nat nf_nat xt_CHECKSUM iptable_mangle bridge stp llc lockd be2iscsi iscsi_boot_sysfs bnx2i cnic uio cxgb4i cxgb4 cxgb3i libcxgbi cxgb3 mdio ib_iser rdma_cm ib_cm iw_cm ib_sa ib_mad ib_core ib_addr iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi rfcomm bnep ip6t_REJECT nf_conntrack_ipv4 nf_conntrack_ipv6 nf_defrag_ipv4 nf_defrag_ipv6 xt_state ip6table_filter ip6_tables nf_conntrack vfat fat snd_hda_codec_conexant btusb bluetooth snd_hda_codec_hdmi arc4 snd_hda_intel snd_hda_codec rtl8192ce(-) snd_hwdep snd_seq snd_seq_device rtl8192c_common snd_pcm thinkpad_acpi snd_timer uvcvideo snd vhost_net r8169 macvtap macvlan tun rtlwifi mac80211 sp5100_tco virtio_net mii i2c_piix4 cfg80211 rfkill kvm_amd videodev k10temp soundcore joydev serio_raw snd_page_alloc kvm media v4l2_compat_ioctl32 sunrpc uinput binfmt_misc ums_realtek usb_storage video radeon ttm drm_kms_helpe Mar 19 08:14:35 kvothe kernel: r drm i2c_algo_bit i2c_core [last unloaded: scsi_wait_scan] Mar 19 08:14:35 kvothe kernel: [ 6584.626011] Mar 19 08:14:35 kvothe kernel: [ 6584.626011] Pid: 19627, comm: rmmod Not tainted 3.2.9-2.fc16.x86_64 #1 LENOVO 05962RU/05962RU Mar 19 08:14:35 kvothe kernel: [ 6584.626011] RIP: 0010:[] [] rtl92ce_get_desc+0x19/0xd0 [rtl8192ce] Mar 19 08:14:35 kvothe kernel: [ 6584.626011] RSP: 0018:ffff880050263b58 EFLAGS: 00010046 Mar 19 08:14:35 kvothe kernel: [ 6584.626011] RAX: ffffffffa041c2a0 RBX: 0000000000000000 RCX: 0000000000000000 Mar 19 08:14:35 kvothe kernel: [ 6584.626011] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000000006e0 Mar 19 08:14:35 kvothe kernel: [ 6584.626011] RBP: ffff880050263b68 R08: ffff8801182bde00 R09: ffff88011a4000a0 Mar 19 08:14:35 kvothe kernel: [ 6584.626011] R10: fffffffcfffffff0 R11: fffffffcfffffff0 R12: ffff8800b00ee400 Mar 19 08:14:35 kvothe kernel: [ 6584.626011] R13: 00000000000006e0 R14: 0000000000000037 R15: 0000000000000037 Mar 19 08:14:35 kvothe kernel: [ 6584.626011] FS: 00007fe794c31700(0000) GS:ffff88011ed00000(0000) knlGS:0000000000000000 Mar 19 08:14:35 kvothe kernel: [ 6584.626011] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b Mar 19 08:14:35 kvothe kernel: [ 6584.626011] CR2: 00000000000006e0 CR3: 00000000c4c18000 CR4: 00000000000006e0 Mar 19 08:14:35 kvothe kernel: [ 6584.626011] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 Mar 19 08:14:35 kvothe kernel: [ 6584.626011] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 Mar 19 08:14:35 kvothe kernel: [ 6584.626011] Process rmmod (pid: 19627, threadinfo ffff880050262000, task ffff8801156d5cc0) Mar 19 08:14:35 kvothe kernel: [ 6584.626011] Stack: Mar 19 08:14:35 kvothe kernel: [ 6584.626011] 0000000000000002 ffff8801176c2540 ffff880050263ca8 ffffffffa03348e7 Mar 19 08:14:35 kvothe kernel: [ 6584.626011] 0000000000000282 0000000180150014 ffff880050263fd8 ffff8801176c2810 Mar 19 08:14:35 kvothe kernel: [ 6584.626011] ffff880050263bc8 ffffffff810550e2 00000000000002c0 ffff8801176c0d40 Mar 19 08:14:35 kvothe kernel: [ 6584.626011] Call Trace: Mar 19 08:14:35 kvothe kernel: [ 6584.626011] [] _rtl_pci_rx_interrupt+0x187/0x650 [rtlwifi] Mar 19 08:14:35 kvothe kernel: [ 6584.626011] [] ? complete+0x52/0x60 Mar 19 08:14:35 kvothe kernel: [ 6584.626011] [] _rtl_pci_interrupt+0x409/0x930 [rtlwifi] Mar 19 08:14:35 kvothe kernel: [ 6584.626011] [] __free_irq+0x17d/0x220 Mar 19 08:14:35 kvothe kernel: [ 6584.626011] [] rtl_pci_disconnect+0x176/0x1a0 [rtlwifi] Mar 19 08:14:35 kvothe kernel: [ 6584.626011] [] pci_device_remove+0x46/0x110 Mar 19 08:14:35 kvothe kernel: [ 6584.626011] [] __device_release_driver+0x7c/0xe0 Mar 19 08:14:35 kvothe kernel: [ 6584.626011] [] driver_detach+0xb8/0xc0 Mar 19 08:14:35 kvothe kernel: [ 6584.626011] [] bus_remove_driver+0x8a/0x100 Mar 19 08:14:35 kvothe kernel: [ 6584.626011] [] driver_unregister+0x62/0xa0 Mar 19 08:14:35 kvothe kernel: [ 6584.626011] [] pci_unregister_driver+0x44/0xa0 Mar 19 08:14:35 kvothe kernel: [ 6584.626011] [] rtl92ce_module_exit+0x10/0x1b4 [rtl8192ce] Mar 19 08:14:35 kvothe kernel: [ 6584.626011] [] sys_delete_module+0x18e/0x250 Mar 19 08:14:35 kvothe kernel: [ 6584.626011] [] system_call_fastpath+0x16/0x1b Mar 19 08:14:35 kvothe kernel: [ 6584.626011] Code: ff 09 d0 89 07 48 83 c4 08 5b 5d c3 66 0f 1f 44 00 00 55 48 89 e5 53 48 83 ec 08 66 66 66 66 90 40 84 f6 89 d3 74 13 84 d2 75 57 <8b> 07 48 83 c4 08 5b 5d c1 e8 1f c3 0f 1f 00 84 d2 74 ed 80 fa Mar 19 08:14:35 kvothe kernel: [ 6584.626011] RIP [] rtl92ce_get_desc+0x19/0xd0 [rtl8192ce] Mar 19 08:14:35 kvothe kernel: [ 6584.626011] RSP Mar 19 08:14:35 kvothe kernel: [ 6584.626011] CR2: 00000000000006e0 Mar 19 08:14:35 kvothe kernel: [ 6584.646491] ---[ end trace 8636c766dcfbe0e6 ]--- Dave.