Re: [linux-usb-devel] PCI quirks not handled and config space differences on resume from S3
On Tue, 2005-08-16 at 11:37 -0400, Alan Stern wrote: > > Diff between "lspci -vvvxxx" before and after resume for all > > problematic devices on my machine is attached. > > > > Are there any patches I can try? > > The uhci-hcd driver _does_ restore the config space for its devices > properly. Apparently something is sort of wrong though, because I need to rmmod uhci_hcd and hci_usb before suspending, otherwise nasty things happen. signature.asc Description: This is a digitally signed message part
Re: [linux-usb-devel] PCI quirks not handled and config space differences on resume from S3
Alan Stern schrieb: > On Tue, 16 Aug 2005, Carl-Daniel Hailfinger wrote: > > >>Hi, >>[...] >>Besides that, a number of drivers do not restore the pci config >>space of their associated devices properly on resume from S3. >> >>These drivers (and associated devices) are: >>- uhci_hcd (USB Controller: Intel Corp. 82801DB/DBL/DBM (ICH4/ICH4-L/ICH4-M) >>USB UHCI Controller) >>[...] >>Diff between "lspci -vvvxxx" before and after resume for all >>problematic devices on my machine is attached. >> >>Are there any patches I can try? > > > The uhci-hcd driver _does_ restore the config space for its devices > properly. > >> [lspci dump] > > > Just because the before and after values are different doesn't mean > anything is wrong. Those particular bits are set by the hardware in > response to various events. They are used only by the BIOS, to provide > USB keyboard and mouse services. They don't affect the device's function > or the Linux driver at all. Thanks for the information and sorry for bothering you. > Alan Stern Regards, Carl-Daniel -- http://www.hailfinger.org/ - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
Re: [linux-usb-devel] PCI quirks not handled and config space differences on resume from S3
On Tue, 16 Aug 2005, Carl-Daniel Hailfinger wrote: > Hi, > > it seems that PCI quirks are not handled on resume which results > in all kinds of strange effects, like disappeared PCI devices. > Besides that, a number of drivers do not restore the pci config > space of their associated devices properly on resume from S3. > > These drivers (and associated devices) are: > - intel_agp (Host bridge: Intel Corp. 82855PM Processor to I/O Controller) > - ? (PCI bridge: Intel Corp. 82855PM Processor to AGP Controller) > - uhci_hcd (USB Controller: Intel Corp. 82801DB/DBL/DBM (ICH4/ICH4-L/ICH4-M) > USB UHCI Controller) > - ? (PCI bridge: Intel Corp. 82801 PCI Bridge) > - ? (ISA bridge: Intel Corp. 82801DBM LPC Interface Controller) > - piix_ide (IDE interface: Intel Corp. 82801DBM (ICH4) Ultra ATA Storage > Controller) > > Diff between "lspci -vvvxxx" before and after resume for all > problematic devices on my machine is attached. > > Are there any patches I can try? The uhci-hcd driver _does_ restore the config space for its devices properly. > USB UHCI Controller #1 (rev 03) (prog-if 00 [UHCI]) > Subsystem: Samsung Electronics Co Ltd: Unknown device c00c > Control: I/O+ Mem- BusMaster+ SpecCycle- MemWINV- VGASnoop- > ParErr-Stepping- SERR- FastB2B- > Status: Cap- 66Mhz- UDF- FastB2B+ ParErr- DEVSEL=medium > >TAbort-SERR- Latency: 0 > Interrupt: pin A routed to IRQ 5 > Region 4: I/O ports at 1800 [size=32] > 00: 86 80 c2 24 05 00 80 02 03 00 03 0c 00 00 80 00 > 10: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 > 20: 01 18 00 00 00 00 00 00 00 00 00 00 4d 14 0c c0 > 30: 00 00 00 00 00 00 00 00 00 00 00 00 05 01 00 00 > 40: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 > 50: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 > 60: 10 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 > 70: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 > 80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 > 90: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 > a0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 > b0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 > -c0: 00 25 00 00 00 00 00 00 00 00 00 00 00 00 00 00 > +c0: 00 2f 00 00 00 00 00 00 00 00 00 00 00 00 00 00 > d0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 Just because the before and after values are different doesn't mean anything is wrong. Those particular bits are set by the hardware in response to various events. They are used only by the BIOS, to provide USB keyboard and mouse services. They don't affect the device's function or the Linux driver at all. Alan Stern - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
Re: [linux-usb-devel] PCI quirks not handled and config space differences on resume from S3
On Tue, 16 Aug 2005, Carl-Daniel Hailfinger wrote: Hi, it seems that PCI quirks are not handled on resume which results in all kinds of strange effects, like disappeared PCI devices. Besides that, a number of drivers do not restore the pci config space of their associated devices properly on resume from S3. These drivers (and associated devices) are: - intel_agp (Host bridge: Intel Corp. 82855PM Processor to I/O Controller) - ? (PCI bridge: Intel Corp. 82855PM Processor to AGP Controller) - uhci_hcd (USB Controller: Intel Corp. 82801DB/DBL/DBM (ICH4/ICH4-L/ICH4-M) USB UHCI Controller) - ? (PCI bridge: Intel Corp. 82801 PCI Bridge) - ? (ISA bridge: Intel Corp. 82801DBM LPC Interface Controller) - piix_ide (IDE interface: Intel Corp. 82801DBM (ICH4) Ultra ATA Storage Controller) Diff between lspci -vvvxxx before and after resume for all problematic devices on my machine is attached. Are there any patches I can try? The uhci-hcd driver _does_ restore the config space for its devices properly. USB UHCI Controller #1 (rev 03) (prog-if 00 [UHCI]) Subsystem: Samsung Electronics Co Ltd: Unknown device c00c Control: I/O+ Mem- BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr-Stepping- SERR- FastB2B- Status: Cap- 66Mhz- UDF- FastB2B+ ParErr- DEVSEL=medium TAbort-TAbort- MAbort- SERR- PERR- Latency: 0 Interrupt: pin A routed to IRQ 5 Region 4: I/O ports at 1800 [size=32] 00: 86 80 c2 24 05 00 80 02 03 00 03 0c 00 00 80 00 10: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 20: 01 18 00 00 00 00 00 00 00 00 00 00 4d 14 0c c0 30: 00 00 00 00 00 00 00 00 00 00 00 00 05 01 00 00 40: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 50: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 60: 10 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 70: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 90: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 a0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 b0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 -c0: 00 25 00 00 00 00 00 00 00 00 00 00 00 00 00 00 +c0: 00 2f 00 00 00 00 00 00 00 00 00 00 00 00 00 00 d0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 Just because the before and after values are different doesn't mean anything is wrong. Those particular bits are set by the hardware in response to various events. They are used only by the BIOS, to provide USB keyboard and mouse services. They don't affect the device's function or the Linux driver at all. Alan Stern - To unsubscribe from this list: send the line unsubscribe linux-kernel in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
Re: [linux-usb-devel] PCI quirks not handled and config space differences on resume from S3
On Tue, 2005-08-16 at 11:37 -0400, Alan Stern wrote: Diff between lspci -vvvxxx before and after resume for all problematic devices on my machine is attached. Are there any patches I can try? The uhci-hcd driver _does_ restore the config space for its devices properly. Apparently something is sort of wrong though, because I need to rmmod uhci_hcd and hci_usb before suspending, otherwise nasty things happen. signature.asc Description: This is a digitally signed message part
Re: [linux-usb-devel] PCI quirks not handled and config space differences on resume from S3
Alan Stern schrieb: On Tue, 16 Aug 2005, Carl-Daniel Hailfinger wrote: Hi, [...] Besides that, a number of drivers do not restore the pci config space of their associated devices properly on resume from S3. These drivers (and associated devices) are: - uhci_hcd (USB Controller: Intel Corp. 82801DB/DBL/DBM (ICH4/ICH4-L/ICH4-M) USB UHCI Controller) [...] Diff between lspci -vvvxxx before and after resume for all problematic devices on my machine is attached. Are there any patches I can try? The uhci-hcd driver _does_ restore the config space for its devices properly. [lspci dump] Just because the before and after values are different doesn't mean anything is wrong. Those particular bits are set by the hardware in response to various events. They are used only by the BIOS, to provide USB keyboard and mouse services. They don't affect the device's function or the Linux driver at all. Thanks for the information and sorry for bothering you. Alan Stern Regards, Carl-Daniel -- http://www.hailfinger.org/ - To unsubscribe from this list: send the line unsubscribe linux-kernel in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
