From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from smtp2.linux-foundation.org (smtp2.linux-foundation.org [207.189.120.14]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client CN "smtp.linux-foundation.org", Issuer "CA Cert Signing Authority" (verified OK)) by ozlabs.org (Postfix) with ESMTP id 26159DDEC0 for ; Thu, 6 Sep 2007 03:08:40 +1000 (EST) Date: Wed, 5 Sep 2007 10:07:54 -0700 From: Andrew Morton To: "Tim Teulings" , Stefan Richter Subject: Re: Sleep problems with kernels >= 2.6.21 on powerpc Message-Id: <20070905100754.57ab4e3e.akpm@linux-foundation.org> In-Reply-To: <46D72BC6.3020809@edge.ping.de> References: <6540c930708251937o2a9a23efv72a0f2b8947067bd@mail.gmail.com> <6bffcb0e0708261621q25316becqce7b3ae2176f45a8@mail.gmail.com> <20070827065246.GA21220@ime.usp.br> <46D279E8.10001@edge.ping.de> <46D72BC6.3020809@edge.ping.de> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Cc: michal.k.k.piotrowski@gmail.com, rbrito@gmail.com, linux-kernel@vger.kernel.org, rjw@sisk.pl, linuxppc-dev@ozlabs.org, debian-powerpc@lists.debian.org, linux-pm@lists.linux-foundation.org List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , > On 30 Aug 2007 22:42:46 +0200 "Tim Teulings" wrote: > Hello! > > > I don't have traces at hand and due to lack of time cannot reproduce it > > up to tomorrow. However this hint may speed up your analysis! > > Sorry for the delay, but my desktop PC had an urgent hard disk problem I > had to fix ASASP. > > So here is the output from dmesg that suggested to me that firewire > might be a problem: Straightforward regression, two reporters, nothing happening. > > usb_endpoint usbdev2.2_ep81: PM: suspend 0->2, parent 2-1:1.0 already 2 > > usb_device usbdev1.1: PM: suspend 0->2, parent usb1 already 2 > > usb_endpoint usbdev1.1_ep81: PM: suspend 0->2, parent 1-0:1.0 already 2 > > hub 1-0:1.0: PM: suspend 2->2, parent usb1 already 2 > > usb_endpoint usbdev1.1_ep00: PM: suspend 0->2, parent usb1 already 2 > > eth2: Airport entering sleep mode > > eth0: suspending, WakeOnLan disabled > > pci_set_power_state(): 0002:20:0e.0: state=3, current state=5 > > firewire_ohci: pci_set_power_state failed with -22<3>pci_device_suspend(): pci_suspend+0x0/0x9c [firewire_ohci]() returns -22 > > suspend_device(): pci_device_suspend+0x0/0x98() returns -22 > > Could not suspend device 0002:20:0e.0: error -22 > > eth0: resuming > > PHY ID: 4061e4, addr: 0 > > eth2: Airport waking up > > eth2: New link status: Connected (0001) > > hda: Enabling Ultra DMA 2 > > eth0: Link is up at 100 Mbps, full-duplex. > > eth0: Pause is disabled > > ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready > > hdb: Enabling Ultra DMA 2 > > usb_endpoint usbdev1.1_ep00: PM: resume from 0, parent usb1 still 2 > > usb_endpoint usbdev1.1_ep81: PM: resume from 0, parent 1-0:1.0 still 2 > > usb_device usbdev1.1: PM: resume from 0, parent usb1 still 2 > > Driver sleep failed > > Sleep rejected by devices > > adb: starting probe task... > > adb devices: [2]: 2 c4 [3]: 3 1 [7]: 7 1f > > ADB keyboard at 2, handler 1 > > ADB mouse at 3, handler set to 4 (trackpad) > > adb: finished probe task... > > usb_device usbdev1.1: PM: suspend 0->2, parent usb1 already 2 > > usb_endpoint usbdev1.1_ep81: PM: suspend 0->2, parent 1-0:1.0 already 2 > > hub 1-0:1.0: PM: suspend 2->2, parent usb1 already 2 > > usb_endpoint usbdev1.1_ep00: PM: suspend 0->2, parent usb1 already 2 > > eth2: Airport entering sleep mode > > eth0: suspending, WakeOnLan disabled > > Trying to free already-free IRQ 40 > > pci_set_power_state(): 0002:20:0e.0: state=3, current state=5 > > firewire_ohci: pci_set_power_state failed with -22<3>pci_device_suspend(): pci_suspend+0x0/0x9c [firewire_ohci]() returns -22 I grepped the whole tree for firewire_ohci and came up blank. What is it? But yes, a failed pci_set_power_state() will hurt. Perhaps this is a result of some recently-added return-value checking fix but as I cannot find the dang code I cannot tell. > > suspend_device(): pci_device_suspend+0x0/0x98() returns -22 > > Could not suspend device 0002:20:0e.0: error -22 > > eth0: resuming > > PHY ID: 4061e4, addr: 0 > > eth2: Airport waking up > > eth2: New link status: Connected (0001) > > hda: Enabling Ultra DMA 2 > > hdb: Enabling Ultra DMA 2 > > eth0: Link is up at 100 Mbps, full-duplex. > > eth0: Pause is disabled > > The problem wa sinitiated by closing the lid. The iBook then seems to > permanetly try to go to sleep (I can hear the cd-rom drive get > periodically initialized). So above contains more than one iteration. > > The kernel is: > > Linux kismet 2.6.22-1-powerpc #1 Sun Jul 29 13:58:06 CEST 2007 ppc GNU/Linux > > The relveant debian package: > > linux-image-2.6.22-1-powerpc_2.6.22-3_powerpc.deb > > I'm running a mixture of debian testing/unstable. > > The firewire and the USB connector were unused, the network connector > was used. > > If there are questions regarding other packages, or somebody wants me to > test a fix (I would prever a debian package), don't hesitate - I would > like to get the bug fixed :-) >