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Message-ID: <CAPM=9tzqwZpWP9Ea-UVWYFcoVY-fa+jCf5FOShiMTrY4roN-og@mail.gmail.com> Date: Mon, 9 Apr 2012 16:02:01 +0100 From: Dave Airlie <airlied@...il.com> To: Larry Finger <Larry.Finger@...inger.net> Cc: LKML <linux-kernel@...r.kernel.org>, Linux Wireless List <linux-wireless@...r.kernel.org> Subject: Re: oops on rmmod of rtl8192ce ping any ideas on this oops on unload? On Mon, Mar 19, 2012 at 8:25 AM, Dave Airlie <airlied@...il.com> wrote: > 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:[<ffffffffa0418d39>] [<ffffffffa0418d39>] > 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] [<ffffffffa03348e7>] > _rtl_pci_rx_interrupt+0x187/0x650 [rtlwifi] > Mar 19 08:14:35 kvothe kernel: [ 6584.626011] [<ffffffff810550e2>] ? > complete+0x52/0x60 > Mar 19 08:14:35 kvothe kernel: [ 6584.626011] [<ffffffffa0335e69>] > _rtl_pci_interrupt+0x409/0x930 [rtlwifi] > Mar 19 08:14:35 kvothe kernel: [ 6584.626011] [<ffffffff810df45d>] > __free_irq+0x17d/0x220 > Mar 19 08:14:35 kvothe kernel: [ 6584.626011] [<ffffffffa0335656>] > rtl_pci_disconnect+0x176/0x1a0 [rtlwifi] > Mar 19 08:14:35 kvothe kernel: [ 6584.626011] [<ffffffff812df2b6>] > pci_device_remove+0x46/0x110 > Mar 19 08:14:35 kvothe kernel: [ 6584.626011] [<ffffffff813954cc>] > __device_release_driver+0x7c/0xe0 > Mar 19 08:14:35 kvothe kernel: [ 6584.626011] [<ffffffff81395da8>] > driver_detach+0xb8/0xc0 > Mar 19 08:14:35 kvothe kernel: [ 6584.626011] [<ffffffff8139530a>] > bus_remove_driver+0x8a/0x100 > Mar 19 08:14:35 kvothe kernel: [ 6584.626011] [<ffffffff81396562>] > driver_unregister+0x62/0xa0 > Mar 19 08:14:35 kvothe kernel: [ 6584.626011] [<ffffffff812de164>] > pci_unregister_driver+0x44/0xa0 > Mar 19 08:14:35 kvothe kernel: [ 6584.626011] [<ffffffffa0418e5c>] > rtl92ce_module_exit+0x10/0x1b4 [rtl8192ce] > Mar 19 08:14:35 kvothe kernel: [ 6584.626011] [<ffffffff810ab41e>] > sys_delete_module+0x18e/0x250 > Mar 19 08:14:35 kvothe kernel: [ 6584.626011] [<ffffffff815ec682>] > 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 > [<ffffffffa0418d39>] rtl92ce_get_desc+0x19/0xd0 [rtl8192ce] > Mar 19 08:14:35 kvothe kernel: [ 6584.626011] RSP <ffff880050263b58> > Mar 19 08:14:35 kvothe kernel: [ 6584.626011] CR2: 00000000000006e0 > Mar 19 08:14:35 kvothe kernel: [ 6584.646491] ---[ end trace > 8636c766dcfbe0e6 ]--- > > Dave. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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