@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