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Date: Tue, 10 Jun 2008 19:00:43 +0000 From: Chris Clayton <chris2553@...glemail.com> To: Stefan Richter <stefanr@...6.in-berlin.de> Cc: Alan Stern <stern@...land.harvard.edu>, "Rafael J. Wysocki" <rjw@...k.pl>, SCSI development list <linux-scsi@...r.kernel.org>, USB list <linux-usb@...r.kernel.org>, LKML <linux-kernel@...r.kernel.org>, James Bottomley <James.Bottomley@...senpartnership.com>, Hannes Reinecke <hare@...e.de>, Andrew Morton <akpm@...ux-foundation.org>, linux1394-devel@...ts.sourceforge.net Subject: Re: 2,6.26-rc4-git2 - long pause during boot On Monday 09 June 2008, Stefan Richter wrote: > Alan Stern wrote: > > In fact the log shows that the 30-second delay occurs in the middle of > > ohci1394 (Firewire) initialization, not USB initialization: > > > > Jun 8 05:26:35 upstairs kernel: ohci1394: fw-host0: OHCI-1394 1.1 (PCI): > > IRQ=[22] MMIO=[fbfff000-fbfff7ff] Max Packet=[2048] IR/IT > > contexts=[4/8] Jun 8 05:26:35 upstairs kernel: ohci_hcd 0000:02:0a.0: > > urb f71cb680 path 2 ep1in 5e160000 cc 5 --> status -62 Jun 8 05:26:35 > > upstairs kernel: hub 1-2:1.0: transfer --> -62 > > Jun 8 05:27:08 upstairs kernel: driver: '0000:02:0b.0': driver_bound: > > bound to device 'ohci1394' Jun 8 05:27:08 upstairs kernel: bus: 'pci': > > really_probe: bound device 0000:02:0b.0 to driver ohci1394 > > The log at http://lkml.org/lkml/2008/6/6/317 shows two pauses. One in > the middle of USB related messages with no FireWire stuff around > (17:25:19 to 17:25:44). The other with parport, ieee1394, USB messages > around it (17:25:44 to 17:26:31). > > From there, the last 17:25:44 message is strange: The device > 00110666000013cc which is the controller is reported as being removed. > Chris, did you do something at this point? Ah sorry, that's a legacy of when I had considerably less ram than 2GB. I only use firewire on the rare occasion that I want to grab some video from my camera and I use the parallel port even less frequently. So one of the last things that happens in my rc.local init script is that I unload the related drivers. > > Also, in http://lkml.org/lkml/2008/6/1/2 you reported a patch which > changes the SCSI core's interaction with the driver core as first bad > commit. Did you check that going before this commit removes _all_ the > pauses, even those around USB or FireWire messages? Or did you only > check whether disk drives appear quickly? When I was bisecting, I assessed good or bad based on whether I experienced the long pause during boot up. You may have seen my reply to James a short while ago that I have bisected again and arrived at the same patch. Thanks, Chris -- Beauty is in the eye of the beerholder. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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