Marian MARC Series ALSA Driver / Bugs / #1 Integer overflow on chip->int

#1 Integer overflow on chip->int_used

Status: open

Owner: nobody

Labels: None

Priority: 5

Updated: 2010-09-21

Created: 2010-09-21

Creator: henne-nwh

Private: No

The variable unsigned int int_used is expected to be positive,
but Pulseaudio, on my Ubuntu10.10 x86_64 system, seems to close more PCM devices that it opens and confuses the chip->int_used logic.

Heres my dmesg.

MARC Series 0000:05:06.0: PCI INT A -> GSI 21 (level, low) -> IRQ 21
[24185.914417] MARC Series: Marian MARC 8 Midi (Card: 0) at PLX: 0xf7fffc00, RAM: 0xf7f00000, FPGA: 0xf7fff800, FPGA_LOAD: 0xf7fff400, Irq 21
[24188.532526] chip->int_used 0x00000000 -> 0x00000001
[24196.774675] +--> Stop
[24196.774680] chip->int_used 0x00000001 -> 0x00000000
[24196.785937] +--> Stop
[24196.785945] chip->int_used 0x00000000 -> 0xffffffff

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henne-nwh - 2010-09-21

tracking int_used

track_int_used.patch

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Integer overflow on chip->int_used

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#1 Integer overflow on chip->int_used

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