Hello dear Kernel People,
I have a problem with my gameport, it uses the ns558 driver, the module gets
loaded via hotplug/udev at boot, but the gameport gets deactivated somehow.
I have this Problem for a long time now, and my solution always was rmmod the
module and load it again after that the gameport is working.
But now i have 2.6.13-rc5 with debug stuff turned on and noticed that:
#rmmod ns558
Speicherzugriffsfehler <-- Segfault
This is from dmesg:
kobject_hotplug: /sbin/hotplug input seq=393 HOME=/
PATH=/sbin:/bin:/usr/sbin:/usr/bin ACTION=remove DEVPATH=/class/input/js0
SUBSYSTEM=input
kobject js0: cleaning up
analog.c: 0 out of 0 reads (0%) on pnp00:03/gameport0 failed
kobject_hotplug
fill_kobj_path: path = '/devices/pnp0/00:03/gameport0'
kobject_hotplug: /sbin/hotplug gameport seq=394 HOME=/
PATH=/sbin:/bin:/usr/sbin:/usr/bin ACTION=remove
DEVPATH=/devices/pnp0/00:03/gameport0 SUBSYSTEM=gameport
kobject gameport0: cleaning up
Unable to handle kernel paging request at virtual address 6b6b6b6b
printing eip:
e0afc4ab
*pde = 00000000
Oops: 0000 [#1]
PREEMPT
Modules linked in: snd_seq_midi snd_seq_midi_event snd_seq video_buf_dvb
video_buf w83627hf w83781d i2c_sensor i2c_isa snd_pcm_oss snd_mixer_oss
ipt_MASQUERADE ipt_state iptable_mangle iptable_nat iptable_filter
ip_conntrack_ftp ip_conntrack_irc ip_conntrack ip_tables rtc joydev analog
ns558 budget s5h1420 l64781 ves1820 budget_core saa7146 ttpci_eeprom stv0299
tda8083 ves1x93 dvb_core 8139too snd_via82xx gameport snd_mpu401_uart
snd_rawmidi snd_seq_device via_rhine crc32 ide_scsi
CPU: 0
EIP: 0060:[<e0afc4ab>] Not tainted VLI
EFLAGS: 00010282 (2.6.13-rc5-debug)
EIP is at ns558_exit+0x4b/0x79 [ns558]
eax: 6b6b6b57 ebx: 6b6b6b57 ecx: 00000000 edx: 6b6b6b6b
esi: 00000000 edi: 00000002 ebp: d7cfdf60 esp: d7cfdf5c
ds: 007b es: 007b ss: 0068
Process rmmod (pid: 3267, threadinfo=d7cfc000 task=dfc94080)
Stack: e0afd140 d7cfdfb4 c0146b4d 00000000 3535736e d7cf0038 c0169941 b7f43000
b7f42000 d7cfdfa4 c0169de5 b7f42000 b7f43000 df6a6f44 df6a61fc df17d3a4
df17d3d4 00000000 00cfdfb4 c0169e6a bf856ae0 b7f2917c d7cfc000 c0103889
Call Trace:
[<c010483a>] show_stack+0x7a/0x90
[<c01049c6>] show_registers+0x156/0x1c0
[<c0104c1c>] die+0x14c/0x2c0
[<c0118093>] do_page_fault+0x343/0x655
[<c010430f>] error_code+0x4f/0x54
[<c0146b4d>] sys_delete_module+0x14d/0x190
[<c0103889>] syscall_call+0x7/0xb
Code: 8b 43 10 e8 98 65 de ff 8b 4b 08 b8 a0 2f 46 c0 89 ca f7 da 23 53 04 e8
64 c7 62 df 89 d8 e8 5d 01 66 df 8b 53 14 8d 42 ec 89 c3 <8b> 40 14 0f 18 00
90 81 fa 20 cf af e0 75 c6 8b 1d c0 d2 af e0
However after modprobe ns558 the gameport works and rmmod isn't possible
anymore:
# rmmod ns558
ERROR: Removing 'ns558': Device or resource busy
Output of scripts/ver_linux follows(note the nvidia module, i have loaded it
after the oops so no problem, right?)
If some fields are empty or look unusual you may have an old version.
Compare to the current minimal requirements in Documentation/Changes.
Linux yellow 2.6.13-rc5-debug #1 Fri Aug 5 01:39:18 CEST 2005 i686 AMD
Athlon(tm) XP 2400+ AuthenticAMD GNU/Linux
Gnu C 3.3.6
Gnu make 3.80
binutils 2.15.92.0.2
util-linux 2.12p
mount 2.12p
module-init-tools 3.1
e2fsprogs 1.35
reiserfsprogs 3.6.18
reiser4progs line
quota-tools 3.12.
Linux C Library 2.3.5
Dynamic linker (ldd) 2.3.5
Linux C++ Library 5.0.7
Procps 3.2.3
Net-tools 1.60
Kbd 1.12
Sh-utils 5.2.1
udev 064
Modules Loaded nvidia snd_seq_midi snd_seq_midi_event snd_seq
video_buf_dvb video_buf w83627hf w83781d i2c_sensor i2c_isa snd_pcm_oss
snd_mixer_oss ipt_MASQUERADE ipt_state iptable_mangle iptable_nat
iptable_filter ip_conntrack_ftp ip_conntrack_irc ip_conntrack ip_tables rtc
joydev analog ns558 budget s5h1420 l64781 ves1820 budget_core saa7146
ttpci_eeprom stv0299 tda8083 ves1x93 dvb_core 8139too snd_via82xx gameport
snd_mpu401_uart snd_rawmidi snd_seq_device via_rhine crc32 ide_scsi
I'll provide more info, if it's needed.
Please CC me because i'm not subscribed.
TIA and keep up the great work!
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