Date: Wed, 11 Mar 2009 12:26:50 +0900 From: Yoshifumi SASAKI <sasaki@ongs.co.jp> To: Alexander Motin <mav@FreeBSD.org> Cc: freebsd-current@freebsd.org Subject: Re: Try report: Sony VAIO Type P Message-ID: <49B72F7A.3020709@ongs.co.jp> In-Reply-To: <49B6B196.3000305@FreeBSD.org> References: <1236687785.00084874.1236675603@10.7.7.3> <49B6AA99.4090808@FreeBSD.org> <49B6B196.3000305@FreeBSD.org>
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Alexander Motin wrote: > Alexander Motin wrote: >> Yoshifumi SASAKI wrote: >>> Sound... succeed to load snd_hda.ko >>> >>> hdac0: <Intel SCH High Definition Audio Controller> mem >>> 0x942c0000-0x942c3fff irq 11 at device 27.0 on pci0 >>> hdac0: HDA Driver Revision: 20090215_0128 >>> hdac0: [ITHREAD] >>> hdac0: HDA Codec #0: Realtek ALC262 >>> pcm0: <HDA Realtek ALC262 PCM #0 Analog> at cad 0 nid 1 on hdac0 >>> >>> I receive many messages.And I try to play MP3 data,But not sound. >>> >>> interrupt storm detected on "irq5:"; throttling interrupt source >>> interrupt storm detected on "irq5:"; throttling interrupt source >>> interrupt storm detected on "irq5:"; throttling interrupt source >>> interrupt storm detected on "irq5:"; throttling interrupt source >> >> snd_hda supports several interrupt modes: MSI, usual interrupts and >> polling (interruptless operation). The version you have tested uses >> MSI by default. You can switch it to use usual interrupts by setting >> hint.hdac.0.msi=0 in loader.conf, or to use polling by >> dev.hdac.0.polling=1 sysctl. Also you can try latest CURRENT, as >> there were some MSI related changes recently. > > According to Intel's official SCH chip errata: "High Definition Audio > Does Not Send Interrupts to the CPU When Using the MSI". So may be > disabling it is the right way out. > First, I set hint.hdac.0.msi=0 in loader.conf. interrupt storm message does not stop and not work. Next, I unset hint.hdac.0.msi=0 and setting dev.hdac.0.polling=1 by sysctl command. interrupt storm message stop and sound music:) Thanks! -- Yoshifumi SASAKI, ONGS Inc.
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