On Tue, May 16, 2006 at 05:09:17PM -0400, Alan Stern wrote: > On Tue, 16 May 2006, michaelm wrote: > > > On Tue, May 16, 2006 at 10:40:19AM -0400, Alan Stern wrote: > > > On Mon, 15 May 2006, michaelm wrote: > > > > > > > http://bugzilla.suspend2.net/show_bug.cgi?id=218 > > > > > > Please rebuild the USB stack in your kernel with CONFIG_USB_DEBUG turned > > > on, and then post the kernel log showing what happens during a > > > suspend/resume cycle. > > > > > > Alan Stern > > > > ok, syslog during suspend and while resuming: > ... > > > May 16 21:17:17 localhost kernel: ehci_hcd 0000:00:1d.7: EHCI Host > > Controller > > May 16 21:17:17 localhost kernel: ehci_hcd 0000:00:1d.7: reset hcs_params > > 0xffffffff dbg=15 ind cc=15 pcc=15 ports=15 > > May 16 21:17:17 localhost kernel: ehci_hcd 0000:00:1d.7: reset portroute 15 > > 15 15 15 15 15 15 15 15 15 15 15 15 15 15 > > May 16 21:17:17 localhost kernel: ehci_hcd 0000:00:1d.7: reset hcc_params > > ffffffff caching frame 256/512/1024 park 64 bit addr > > May 16 21:17:17 localhost kernel: ehci_hcd 0000:00:1d.7: park 0 > > May 16 21:17:17 localhost kernel: ehci_hcd 0000:00:1d.7: bogus port > > configuration: cc=15 x pcc=15 < ports=15 > > May 16 21:17:17 localhost kernel: ehci_hcd 0000:00:1d.7: debug port 15 IN > > USE > > May 16 21:17:17 localhost kernel: PCI: cache line size of 32 is not > > supported by device 0000:00:1d.7 > > May 16 21:17:17 localhost kernel: ehci_hcd 0000:00:1d.7: ...powerdown > > ports... > > May 16 21:17:17 localhost kernel: drivers/usb/core/inode.c: creating file > > 'devices' > > May 16 21:17:17 localhost kernel: drivers/usb/core/inode.c: creating file > > '001' > > May 16 21:17:17 localhost kernel: ehci_hcd 0000:00:1d.7: new USB bus > > registered, assigned bus number 1 > > May 16 21:17:17 localhost kernel: ehci_hcd 0000:00:1d.7: irq 217, io mem > > 0xc0000000 > > May 16 21:17:17 localhost kernel: ehci_hcd 0000:00:1d.7: reset command > > ffffffff park=3 ithresh=63 LReset IAAD Async Periodic period=?? R > > May 16 21:17:17 localhost kernel: ehci_hcd 0000:00:1d.7: startup error -19 > > May 16 21:17:17 localhost kernel: ehci_hcd 0000:00:1d.7: USB bus 1 > > deregistered > > These errors indicate that the EHCI host controller is not fully > accessible after resuming. That is, configuration space accesses work but > memory accesses do not (reads return all bits equal to 1). Perhaps a PCI > bridge is misconfigured, perhaps a PCI setting in the controller is not > getting restored. I don't know what can be done to fix it. > > Greg, what PCI mailing list would be good for this problem report?
linux-pci or linux-kernel is good. But first, can you try the latest -mm kernel? I have a number of "restore the pci config space properly on resume" patches in that tree that might help out here. thanks, greg k-h ------------------------------------------------------- Using Tomcat but need to do more? Need to support web services, security? Get stuff done quickly with pre-integrated technology to make your job easier Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo http://sel.as-us.falkag.net/sel?cmd=lnk&kid=120709&bid=263057&dat=121642 _______________________________________________ [email protected] To unsubscribe, use the last form field at: https://lists.sourceforge.net/lists/listinfo/linux-usb-users
