Date: Thu, 26 Apr 2012 00:49:20 +0400 From: Pavel Gorshkov <gorshkov.pavel@gmail.com> To: John Baldwin <jhb@freebsd.org> Cc: Pyun YongHyeon <pyunyh@gmail.com>, freebsd-stable@freebsd.org Subject: Re: msk0: interrupt storm Message-ID: <20120425204920.GA2734@localhost> In-Reply-To: <201204250935.28973.jhb@freebsd.org> References: <20120228210329.GA2741@localhost> <20120424200719.GB6932@michelle.cdnetworks.com> <201204241507.14699.jhb@freebsd.org> <201204250935.28973.jhb@freebsd.org>
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On Wed, Apr 25, 2012 at 09:35:28AM -0400, John Baldwin wrote: > Sadly, I spoke too soon. With this patch applied I got another storm last night > where this bit was not set during the storm: > > index cpu timestamp trace > ------ --- ---------------- ----- > 71 0 36775451301480 msk_intr: B0_Y2_SP_ISRC2 = 0x40000000 > 70 0 36775450145436 msk_intr: B0_Y2_SP_ISRC2 = 0x40000000 > 69 0 36775449956940 msk_intr: B0_Y2_SP_ISRC2 = 0x40000000 > 68 0 36775449768564 msk_intr: B0_Y2_SP_ISRC2 = 0x40000000 > 67 0 36775448604912 msk_intr: B0_Y2_SP_ISRC2 = 0x40000000 > 66 0 36775448416872 msk_intr: B0_Y2_SP_ISRC2 = 0x40000000 > 65 0 36775448220444 msk_intr: B0_Y2_SP_ISRC2 = 0x40000000 > 64 0 36775446569772 msk_intr: B0_Y2_SP_ISRC2 = 0x40000000 > 63 0 36775445385804 msk_intr: B0_Y2_SP_ISRC2 = 0x40000000 > 62 0 36775445189340 msk_intr: B0_Y2_SP_ISRC2 = 0x40000000 > 61 0 36775444984476 msk_intr: B0_Y2_SP_ISRC2 = 0x40000000 > 60 0 36775443829368 msk_intr: B0_Y2_SP_ISRC2 = 0x40000000 > 59 0 36775443640920 msk_intr: B0_Y2_SP_ISRC2 = 0x40000000 > 58 0 36775443444324 msk_intr: B0_Y2_SP_ISRC2 = 0x40000000 > 57 0 36775442272836 msk_intr: B0_Y2_SP_ISRC2 = 0x40000000 > > Apr 24 14:50:53 pipkin kernel: mskc0: TWSI ready > Apr 24 14:50:54 pipkin kernel: mskc0: TWSI ready > Apr 24 20:19:49 pipkin kernel: interrupt storm detected on "irq257:"; throttling interrupt source > Apr 24 21:40:14 pipkin kernel: interrupt storm detected on "irq257:"; throttling interrupt source > Apr 25 05:19:31 pipkin kernel: interrupt storm detected on "irq257:"; throttling interrupt source > Apr 25 08:04:38 pipkin kernel: interrupt storm detected on "irq257:"; throttling interrupt source > > (This trace was from the storm at 20:19:49.) Same here, I just fired up rtorrent and immediately got a storm accompanied by a 2 minute freeze: irq259: mskc0 6062100 8772 irq261: ahci0 8380 12 Total 6427430 9301
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