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From: Oliver Neukum <oliver@neukum.org>
To: Pavel Machek <pavel@ucw.cz>
Cc: linux-kernel@vger.kernel.org
Subject: Re: Swsusp hanging the second time
Date: Wed, 5 Jan 2005 22:04:34 +0100	[thread overview]
Message-ID: <200501052204.34646.oliver@neukum.org> (raw)
In-Reply-To: <20050104110839.GF18777@elf.ucw.cz>

Am Dienstag, 4. Januar 2005 12:08 schrieb Pavel Machek:
> Hi!
> 
> > there's a second, more serious problem with this laptop. It hangs the
> > in the second swsusp cycle on suspension.
> > As before 2.6.10, i386/UP/no highmem.
> > On the screen I get the two messages "radeonfb resumed!" and
> > "setting latency" superimposed and it hangs forever. This is a regression
> > the previous user commented: "It worked under 2.6.6"
> 
> Unless it was on the same hardware/config, I'd not call it regression.
> 
> Anyway two suspends in the row seem to work here on 2.6.10+my
> patches. I suspect you have problems with some more obscure driver.
> 
> Can you try going with minimal driver config to see if it is
> reproducible? If it is broken even with minimal drivers, I'll try
> harder to reproduce it here (but I believe it will just go away).

The culprit seems to be EHCI, possibly together with UHCI only.

0000:00:1d.0 USB Controller: Intel Corp. 82801DB USB (Hub #1) (rev 03) (prog-if 00 [UHCI])
        Subsystem: Toshiba America Info Systems: Unknown device ff10
        Flags: bus master, medium devsel, latency 0, IRQ 11
        I/O ports at 1200 [size=32]

0000:00:1d.1 USB Controller: Intel Corp. 82801DB USB (Hub #2) (rev 03) (prog-if 00 [UHCI])
        Subsystem: Toshiba America Info Systems: Unknown device ff10
        Flags: bus master, medium devsel, latency 0, IRQ 11
        I/O ports at 1220 [size=32]

0000:00:1d.2 USB Controller: Intel Corp. 82801DB USB (Hub #3) (rev 03) (prog-if 00 [UHCI])
        Subsystem: Toshiba America Info Systems: Unknown device ff10
        Flags: bus master, medium devsel, latency 0, IRQ 11
        I/O ports at 1240 [size=32]

0000:00:1d.7 USB Controller: Intel Corp. 82801DB USB2 (rev 03) (prog-if 20 [EHCI])
        Subsystem: Toshiba America Info Systems: Unknown device ff10
        Flags: bus master, medium devsel, latency 0
        Memory at f4000000 (32-bit, non-prefetchable)
        Capabilities: <available only to root>

	Regards
		Oliver

  parent reply	other threads:[~2005-01-05 21:06 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2005-01-04 10:54 Swsusp hanging the second time Oliver Neukum
2005-01-04 11:08 ` Pavel Machek
2005-01-04 18:05   ` Oliver Neukum
2005-01-05 21:04   ` Oliver Neukum [this message]
2005-01-05 22:02     ` Nigel Cunningham

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