@related: 8139 Serial 8250 5451
AmiloA :
Serial 8250: too much work for irq 11 # this happend on mouse detection on [[Debian]]
# top 3485 root -51 -5 0 0 0 S 30.1 0.0 7:34.20 IRQ-11
cat /proc/asound/card0/pcm0p/sub0/hw_params
access: RW_INTERLEAVED
format: S16_LE
subformat: STD
channels: 2
rate: 48000 (48000/1)
period_size: 1024
buffer_size: 16384
cat /etc/asound.conf
# http://rzr.online.fr/q/irq-11
pcm.!default {
type plug
slave.pcm {
type dmix
ipc_key 1024
slave {
pcm "hw:0,0"
rate 44100
}
}
}
#eof "/etc/asound.conf"
lsmod | grep snd | cut -d' ' -f 1 | xargs sudo modprobe -r
sudo modprobe -v snd_ali5451
cat /proc/asound/card0/pcm0p/sub0/hw_params
access: MMAP_INTERLEAVED
format: S16_LE
subformat: STD
channels: 2
rate: 44100 (44100/1)
period_size: 5513
buffer_size: 16384
dmesg | grep 11 | grep -i irq Jun 20 14:52:00 nrv kernel: Yenta: ISA IRQ mask 0x0020, PCI irq 11 Jun 20 14:52:00 nrv kernel: PCI: setting IRQ 11 as level-triggered
@tag: DSDT
sudo cat /proc/3088/status Name: IRQ-11 State: S (sleeping) Tgid: 3088 Pid: 3088 PPid: 2 TracerPid: 0 Uid: 0 0 0 0 Gid: 0 0 0 0 FDSize: 32 Groups: Threads: 1 SigQ: 0/5879 SigPnd: 0000000000000000 ShdPnd: 0000000000000000 SigBlk: 0000000000000000 SigIgn: ffffffffffffffff SigCgt: 0000000000000000 CapInh: 0000000000000000 CapPrm: ffffffffffffffff CapEff: fffffffffffffeff CapBnd: ffffffffffffffff voluntary_ctxt_switches: 23758359 nonvoluntary_ctxt_switches: 0