Date: Thu, 4 May 2006 14:26:04 -0700 (PDT) From: Mark Busby <redtick@sbcglobal.net> To: help help <freebsd-questions@freebsd.org> Subject: interrupt storm Message-ID: <20060504212604.67637.qmail@web81205.mail.mud.yahoo.com>
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Checking /var/log/messages after loading snd_emu10k1, I see the following. muz kernel: pcm1: <Creative EMU10K1> port 0xd800-0xd81f irq 4 at device 9.0 on pci0 muz kernel: Interrupt storm detected on "irq4: atapci0"; throttling interrupt source muz kernel: pcm1: <SigmaTel STAC9708/11 AC97 Codec> muz kernel: emujoy0: detached Upon. muz# vmstat -i interrupt total rate irq0: clk 933473 998 irq4: pcm0 atapci0 1213 1 irq7: ppc0 1 0 irq8: rtc 119494 127 irq11: dc0 1001 1 irq13: npx0 1 0 irq14: ata0 46 0 Total 1055229 1128 ################################### muz# pciconf -lv agp0@pci0:0:0: class=0x060000 card=0x154110b9 chip=0x154110b9 rev=0x04 hdr=0x00 vendor = 'Acer Labs Incorporated (ALi)' device = 'ALI M1541 Aladdin V/V+ AGP System Controller' class = bridge subclass = HOST-PCI pcib1@pci0:1:0: class=0x060400 card=0x000000e0 chip=0x524310b9 rev=0x04 hdr=0x01 vendor = 'Acer Labs Incorporated (ALi)' device = 'ALI M1541 PCI to AGP Bridge' class = bridge subclass = PCI-PCI ohci0@pci0:2:0: class=0x0c0310 card=0x00000000 chip=0x523710b9 rev=0x03 hdr=0x00 vendor = 'Acer Labs Incorporated (ALi)' device = 'M5237 OpenHCI 1.1 USB Controller' class = serial bus subclass = USB none0@pci0:3:0: class=0x068000 card=0x710110b9 chip=0x710110b9 rev=0x00 hdr=0x00 vendor = 'Acer Labs Incorporated (ALi)' device = 'ALI M7101 Power Management Controller' class = bridge isab0@pci0:7:0: class=0x060100 card=0x00000000 chip=0x153310b9 rev=0xc3 hdr=0x00 vendor = 'Acer Labs Incorporated (ALi)' device = 'ALI M1533 Aladdin IV ISA Bridge' class = bridge subclass = PCI-ISA pcm0@pci0:9:0: class=0x040100 card=0x100a1102 chip=0x00021102 rev=0x0a hdr=0x00 vendor = 'Creative Labs' device = 'EMU10000 Sound Blaster Live! (Also Live! 5.1) - OEM from DELL - CT4780' class = multimedia subclass = audio emujoy0@pci0:9:1: class=0x098000 card=0x00201102 chip=0x70021102 rev=0x0a hdr=0x00 vendor = 'Creative Labs' device = 'EMU10000 Game Port' class = input device none1@pci0:10:0: class=0x030000 card=0x00000000 chip=0x88115333 rev=0x44 hdr=0x00 vendor = 'S3 Graphics Co., Ltd.' device = '86C732 Trio32, 86C764 Trio64, 86C765 Trio64V+ Rev 01' class = display subclass = VGA dc0@pci0:12:0: class=0x020000 card=0xf0041385 chip=0x000211ad rev=0x21 hdr=0x00 vendor = 'Lite-On Communications Inc' device = 'NGMC169B 10/100 Ethernet (NetGear FA310TX)' class = network subclass = ethernet atapci0@pci0:13:0: class=0x018000 card=0x4d33105a chip=0x4d30105a rev=0x02 hdr=0x00 vendor = 'Promise Technology Inc' device = 'PDC20267 FastTrack100 EIDE Controller' class = mass storage atapci1@pci0:15:0: class=0x01018a card=0x00000000 chip=0x522910b9 rev=0xc1 hdr=0x00 vendor = 'Acer Labs Incorporated (ALi)' device = 'M1543 Southbridge EIDE Controller' class = mass storage subclass = ATA I have added to /boot/device.hints the following lines to try to force pcm to another IRQ but "no joy" hint.pcm.0.at="isa" hint.pcm.0.irq="5" hint.pcm.0.drq="1" hint.pcm.0.flags="0x0" Is there a way to move the sound to another irq? or the atapci? and HOW?
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