I seem to have problems opening many devices quickly.
I use Mandrake 9, kernel 2.4.19-16mdkenterprise and
gcc-3.2.1 (GCC) 3.2.1 (Mandrake Linux 9.1 3.2.1-2mdk)
When I do this:
x=32
while [ $x -ne 0 ]
do
let x=x-1
aplay /usr/share/sounds/phone.wav >bomb.$x 2>&1 &
done
I get a large number of segmentation faults (unfortunately no coredumps)
and messages claiming
Playing WAVE '/usr/share/sounds/phone.wav' : Signed 16 bit Little Endian, Rate 44100
Hz, Stereo
ALSA lib pcm_hw.c:325:(snd_pcm_hw_hw_params) SNDRV_PCM_IOCTL_HW_PARAMS failed: Cannot
allocate memory
aplay: set_params:839: Unable to install hw params:
ACCESS: RW_INTERLEAVED
FORMAT: S16_LE
SUBFORMAT: STD
SAMPLE_BITS: 16
FRAME_BITS: 32
CHANNELS: 2
RATE: 44100
PERIOD_TIME: 100000
PERIOD_SIZE: 4410
PERIOD_BYTES: 17640
PERIODS: 5
BUFFER_TIME: 500000
BUFFER_SIZE: 22050
BUFFER_BYTES: 88200
TICK_TIME: 10000
Also, dmesg gives me
Unable to handle kernel NULL pointer dereference at virtual address 00000008
printing eip:
f8b410b7
*pde = 00000000
Oops: 0002
CPU: 0
EIP: 0010:[<f8b410b7>] Not tainted
EFLAGS: 00010296
eax: f6384bd8 ebx: 00000000 ecx: 00000000 edx: f6384bd8
esi: 00015888 edi: 00015888 ebp: f638c000 esp: f6277c5c
ds: 0018 es: 0018 ss: 0018
Process aplay (pid: 2288, stackpage=f6277000)
Stack: 00000000 00000000 f63170f4 f6384ba0 f754b800 f8b561a3 f6384bd8 00015888
00000000 00000000 00000000 00000000 00000000 f63170e0 f6384ba0 f6277ce4
f8b66f21 f6384ba0 00015888 f754b800 00000000 f6277ce4 f6384ba0 f8b4b4e0
Call Trace: [<f8b561a3>] [<f8b66f21>] [<f8b4b4e0>] [<f8b4b594>] [<f8b4ed4a>]
[<c01b87b0>] [<c0129666>] [<c01563ff>] [<c0109627>]
Code: c7 43 08 00 00 00 00 8b 02 83 f8 02 0f 84 97 00 00 00 83 f8
(one for each crashed aplay)
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