Messages in this thread | | | Subject | Re: Re: [2.6.4] USB malfunction on ACPI resume | From | "Niel Lambrechts" <> | Date | Tue, 16 Mar 2004 14:07:56 +0200 |
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I did put some hope on this, even unloaded all modules up to usbcore prior to suspending, but it does not make a difference to the outcome.
My response to David Brownell contains a kernel-trace which may be useful (I hope).
Thanks, Niel
-----Original Message----- From: Len Brown <len.brown@intel.com> To: Niel Lambrechts <antispam@absamail.co.za> Date: 16 Mar 2004 02:25:44 -0500 Subject: Re: [2.6.4] USB malfunction on ACPI resume
how about if you remove the ehci_hcd module before suspending?
-Len
On Sun, 2004-03-14 at 16:46, Niel Lambrechts wrote: > My Thinkpad R50P (Intel 82855PM with Speedstep 1.7GHz) shows the > following badness when resuming after an ACPI suspend - even if > hotplug > and usb modules were never started beforehand: > > Mar 12 01:22:42 localhost kernel: 0 at 41 > Mar 12 01:22:42 localhost kernel: ehci_hcd 0000:00:1d.7: capability > d49a4140 at > 41 > Mar 12 01:22:42 localhost last message repeated 1266 > times Mar 12 01:22:42 localhost kernel: 0 at > 41 Mar 12 01:22:42 localhost kernel: > ehci_hcd 0000:00:1d.7: capability d49a4140 at > 41 > times Mar 12 01:22:43 localhost kernel: Kernel > logging > (proc) stopped by user. > > This is repeated many many times -> CPU usage jumps to 100% (due to > ehci_hcd module) and klogd becomes very busy with the above nonsense. > > I cannot remove ehci_hcd, any attempt to rmmod will just hang, only > resolve is to reboot. > > Niel > > > Controller: > ----------- > 00:1d.0 USB Controller: Intel Corp. 82801DB USB (Hub #1) (rev 01) > 00:1d.1 USB Controller: Intel Corp. 82801DB USB (Hub #2) (rev 01) > 00:1d.2 USB Controller: Intel Corp. 82801DB USB (Hub #3) (rev 01) > 00:1d.7 USB Controller: Intel Corp. 82801DB USB2 (rev 01) >
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