> Date: Wed, 6 Aug 2003 14:39:41 -0700 > From: Greg KH <[EMAIL PROTECTED]> > To: Michael Frank <[EMAIL PROTECTED]> > Cc: linux-kernel <[EMAIL PROTECTED]>, > > Subject: [ACPI] Re: 2.6.0-test2: Lost USB mouse after resuming from S3 > > On Thu, Aug 07, 2003 at 12:37:31AM +0800, Michael Frank wrote: > > Causes are that usb-host controller does no handle S3 yet _plus_ > > possibly (depending on your hardware) loss of PCI interrupt links as > > current ACPI does not resume those. > > Known issue, please unload the usb modules before suspending them. > > The upcoming suspend patches will allow us to fix this "properly", > please give us a few weeks :)
I hope you have a chance to look at a uhci/usbnet problem I have found. If I connect and disconnect my Zaurus 5500 ... kernel: usb0: register usbnet usb-00:1d.0-1, Sharp Zaurus SL-5x00 ... [ping a few packets] ... vista kernel: usb0: unregister usbnet usb-00:1d.0-1, Sharp Zaurus SL-5x00 I can unload uhci (kind of): vista kernel: usb.c: USB disconnect on device 00:1d.2-0 address 1 vista kernel: usb.c: USB bus 3 deregistered vista kernel: kmem_cache_destroy: Can't free all objects c158acd0 vista kernel: uhci: not all urb_priv's were freed vista kernel: usb.c: deregistering driver usbdevfs vista kernel: usb.c: deregistering driver hub vista kernel: Swsusp 1.1-rc1: Initiating a software_suspend cycle. and then on the resume uhci crashes on the load attempt: vista kernel: usb.c: registered new driver usbdevfs vista kernel: usb.c: registered new driver hub vista kernel: uhci.c: USB Universal Host Controller Interface driver v1.1 vista kernel: kernel BUG at slab.c:815! vista kernel: invalid operand: 0000 vista kernel: CPU: 0 vista kernel: EIP: 0010:[kmem_cache_create+761/836] Tainted: G Z vista kernel: EFLAGS: 00010246 vista kernel: eax: 00000000 ebx: c158ad40 ecx: c158ada8 edx: c158ad38 vista kernel: esi: c158ad32 edi: e0d7a99a ebp: 0000003c esp: dc26def0 vista kernel: ds: 0018 es: 0018 ss: 0018 vista kernel: Process modprobe.moduti (pid: 3354, stackpage=dc26d000) vista kernel: Stack: fffffff4 00000001 00000001 ffffffea dc26df0c c158ad60 00000004 00000034 vista kernel: e0d796a0 e0d7a98c 0000003c 00000080 00020000 00000000 00000000 e0d75000 vista kernel: c0117b0d dc26c000 0000057a 08075f30 bfffc168 000059c8 dc280000 00000060 vista kernel: Call Trace: [hid:__insmod_hid_O/lib/modules/2.4.22-rc1/kernel/drivers/usb/hi+-690528/96] [hid:__insmod_hid_O/lib/modules/2.4.22-rc1/kernel/drivers/usb/hi+-685684/96] [sys_init_module+1365/1536] [hid:__insmod_hid_O/lib/modules/2.4.22-rc1/kernel/drivers/usb/hi+-708512/96] [system_call+51/56] vista kernel: vista kernel: Code: 0f 0b 2f 03 c0 bf 24 c0 8b 12 8b 02 0f 18 00 81 fa e8 c3 28 This does -not- happen using usb-uhci as enabled by the (0619) acpi patch: vista kernel: usb.c: USB bus 3 deregistered vista kernel: usb.c: deregistering driver usbdevfs vista kernel: usb.c: deregistering driver hub vista kernel: Swsusp 1.1-rc1: Initiating a software_suspend cycle. ... vista kernel: usb.c: registered new driver usbdevfs vista kernel: usb.c: registered new driver hub vista kernel: usb-uhci.c: $Revision: 1.275 $ time 23:16:36 Aug 6 2003 vista kernel: usb-uhci.c: High bandwidth mode enabled vista kernel: PCI: Setting latency timer of device 00:1d.0 to 64 vista kernel: usb-uhci.c: USB UHCI at I/O 0xefe0, IRQ 11 vista kernel: usb-uhci.c: Detected 2 ports the above syslog excerpts are from 2.4.22rc1 (no acpi patch) and 2.4.21 (acpi 20030619). Any suggestions, or hope for a fix? thanks, rob. ------------------------------------------------------- This SF.Net email sponsored by: Free pre-built ASP.NET sites including Data Reports, E-commerce, Portals, and Forums are available now. Download today and enter to win an XBOX or Visual Studio .NET. http://aspnet.click-url.com/go/psa00100003ave/direct;at.aspnet_072303_01/01 _______________________________________________ [EMAIL PROTECTED] To unsubscribe, use the last form field at: https://lists.sourceforge.net/lists/listinfo/linux-usb-devel
