double fault in 2.6.19rc4-git5 while unplugging/replugging a USB headset

[Andi Kleen <ak@suse.de>]

FYI

usb 5-2: USB disconnect, address 2
ALSA /home/lsrc/quilt/linux/sound/usb/usbaudio.c:845: cannot submit datapipe for urb 0, error -19: no device
[... repeated a lot ...]
ACPI: PCI interrupt for device 0000:00:1b.0 disabled
usb 5-2: new full speed USB device using uhci_hcd and address 3
usb 5-2: configuration #1 chosen from 1 choice
input: C-Media USB Headphone Set   as /class/input/input3
input: USB HID v1.00 Device [C-Media USB Headphone Set  ] on usb-0000:00:1d.3-2
usb 5-2: USB disconnect, address 3
Unable to handle kernel paging request at ffffffff880e57d4 RIP: 
 [<ffffffff880e57d4>]
PGD 203027 PUD 205027 PMD 7f41e067 PTE 0
Oops: 0010 [1] SMP 
CPU 0 
Modules linked in: snd_pcm_oss snd_mixer_oss snd_seq snd_atiixp snd_ac97_codec snd_ac97_bus speedstep_centrino pppoe pppox ppp_generic slhc ipt_MASQUERADE iptable_nat ip_nat_h323 ip_conntrack_h323 ip_nat_sip ip_conntrack_sip ip_nat_ftp ip_nat_irc i2c_isa ip_nat ip6t_LOG ip6t_REJECT ip6table_filter ip6_tables xt_tcpudp xt_state ip_conntrack_ftp ip_conntrack_irc ip_conntrack ipt_LOG ipt_REJECT iptable_filter ip_tables x_tables pl2303 snd_usb_audio snd_pcm snd_timer snd_page_alloc snd_usb_lib snd_rawmidi snd_seq_device snd_hwdep snd usbserial i2c_i801 i2c_core
Pid: 8104, comm: xmms Not tainted 2.6.19-rc4-git5-BASIL #99
RIP: 0010:[<ffffffff880e57d4>]  [<ffffffff880e57d4>]
RSP: 0018:ffff81004730fd50  EFLAGS: 00010286
RAX: ffffffff880e57d4 RBX: ffff810075368000 RCX: 0000000000000000
RDX: 000000000000001d RSI: 0000000000000002 RDI: ffff810075368230
RBP: ffff810075368230 R08: ffff81007a5711f0 R09: ffff81005e5345c0
R10: 00000000454e8c24 R11: ffff81007bd030b8 R12: 00000000000001f8
R13: ffff810057422460 R14: ffff810045b7a5c0 R15: ffff81007a4b9080
FS:  0000000000000000(0000) GS:ffffffff80662000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
CR2: ffffffff880e57d4 CR3: 0000000000201000 CR4: 00000000000006e0
Process xmms (pid: 8104, threadinfo ffff81004730e000, task ffff810076fee180)
Stack:  ffffffff880a2cd6 0000000000000000 0000000000000001 ffff81007604bcf0
 ffffffff8024c42b 0000000000000000 ffffffff8058b290 0000001f45880508
 ffff810001f3fe50 0000000300000000 ffff81007a5711e8 0000000000000000
Call Trace:
 [<ffffffff880a2cd6>] :snd_mixer_oss:snd_mixer_oss_notify_handler+0x23e/0x271
 [<ffffffff8024c42b>] free_pages_bulk+0x2c/0x1f4
 [<ffffffff802229d2>] __wake_up+0x36/0x4d
 [<ffffffff880166d7>] :snd:snd_card_do_free+0x17/0xe4
 [<ffffffff88016e3d>] :snd:snd_card_file_remove+0xfd/0x135
 [<ffffffff88041fc7>] :snd_pcm:snd_pcm_release+0xb6/0xc1
 [<ffffffff8026745a>] __fput+0xac/0x18a
 [<ffffffff802653d4>] filp_close+0x5c/0x64
 [<ffffffff8022a913>] put_files_struct+0x6b/0xbd
 [<ffffffff8022ba84>] do_exit+0x233/0x814
 [<ffffffff8022c0eb>] sys_exit_group+0x0/0xe
 [<ffffffff802093fe>] system_call+0x7e/0x83


Code:  Bad RIP value.
RIP  [<ffffffff880e57d4>]
 RSP <ffff81004730fd50>
CR2: ffffffff880e57d4
 <1>Fixing recursive fault but reboot is needed!

-Andi
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