Hi, When I remove control through hwdep layer on emu10k1 driver when in use by oss emulation I got oops. This is because oss emulation holds pointer to this control. Is there any api to disable an then enable oss emulation or only proc interface ???
Jan 20 20:53:52 localhost kernel: Unable to handle kernel NULL pointer dereference at virtual address 000000b0 Jan 20 20:53:52 localhost kernel: printing eip: Jan 20 20:53:52 localhost kernel: e8edc94b Jan 20 20:53:52 localhost kernel: *pde = 0567b067 Jan 20 20:53:52 localhost kernel: *pte = 00000000 Jan 20 20:53:52 localhost kernel: Oops: 0000 Jan 20 20:53:52 localhost kernel: snd-pcm-oss snd-mixer-oss evdev tuner saa7134 video-buf v4l2-common v4l1-compat ir-common videodev w83781d i2c-isa eeprom i2c-proc i2c-viapro i2c-dev i2c-core Jan 20 20:53:52 localhost kernel: CPU: 0 Jan 20 20:53:52 localhost kernel: EIP: 0060:[<e8edc94b>] Tainted: P Jan 20 20:53:52 localhost kernel: EFLAGS: 00010286 Jan 20 20:53:52 localhost kernel: Jan 20 20:53:52 localhost kernel: EIP is at snd_emu10k1_gpr_ctl_info [snd-emu10k1] 0xb (2.4.22-1.2115.nptlcustom) Jan 20 20:53:52 localhost kernel: eax: daf33cc0 ebx: daf33cc0 ecx: daa8ce00 edx: 00000000 Jan 20 20:53:52 localhost kernel: esi: daa8ce00 edi: c5ff8000 ebp: d4795f60 esp: d4795ef4 Jan 20 20:53:52 localhost kernel: ds: 0068 es: 0068 ss: 0068 Jan 20 20:53:52 localhost kernel: Process xine (pid: 4800, stackpage=d4795000) Jan 20 20:53:52 localhost kernel: Stack: e9040ded daf33cc0 daa8ce00 00000000 00000000 d4795f64 dd93a0e4 dd2bf400 Jan 20 20:53:52 localhost kernel: dadb7000 dadb714c c9a9d200 e90411d7 c9a9d200 dd93a0e4 daf33cc0 d4795f60 Jan 20 20:53:52 localhost kernel: d4795f64 dffef300 dd93a0e4 c9a9d200 c52ae540 c9a9d200 e90406cf c9a9d200 Jan 20 20:53:52 localhost kernel: Call Trace: [<e9040ded>] snd_mixer_oss_get_volume1_vol [snd-mixer-oss] 0x6d (0xd4795ef4) Jan 20 20:53:52 localhost kernel: [<e90411d7>] snd_mixer_oss_get_volume1 [snd-mixer-oss] 0x207 (0xd4795f20) Jan 20 20:53:52 localhost kernel: [<e90406cf>] snd_mixer_oss_get_volume [snd-mixer-oss] 0x9f (0xd4795f4c) Jan 20 20:53:52 localhost kernel: [<e904086d>] snd_mixer_oss_ioctl1 [snd-mixer-oss] 0xcd (0xd4795f70) Jan 20 20:53:52 localhost kernel: [<e9040b30>] snd_mixer_oss_ioctl [snd-mixer-oss] 0x0 (0xd4795f90) Jan 20 20:53:52 localhost kernel: [<c015570c>] sys_ioctl [kernel] 0xbc (0xd4795f94) Jan 20 20:53:52 localhost kernel: [<c014561a>] sys_open [kernel] 0x8a (0xd4795fa8) Jan 20 20:53:52 localhost kernel: [<c01099df>] system_call [kernel] 0x33 (0xd4795fc0) Jan 20 20:53:52 localhost kernel: Jan 20 20:53:52 localhost kernel: Jan 20 20:53:52 localhost kernel: Code: 8b 82 b0 00 00 00 85 c0 75 09 83 ba b4 00 00 00 01 74 22 c7 ____________________________________ http://www.logofun.pobox.sk - urobte radost svojmu telefonu ------------------------------------------------------- The SF.Net email is sponsored by EclipseCon 2004 Premiere Conference on Open Tools Development and Integration See the breadth of Eclipse activity. February 3-5 in Anaheim, CA. http://www.eclipsecon.org/osdn _______________________________________________ Alsa-devel mailing list [EMAIL PROTECTED] https://lists.sourceforge.net/lists/listinfo/alsa-devel