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    SubjectRe: can't suspend on vaio sz (rc4 and rc5 are ok) [was Re: 2.6.22-rc4-mm2]
    On Thu, Jun 21, 2007 at 11:49:37PM +0200, Rafael J. Wysocki wrote:
    > On Thursday, 21 June 2007 21:39, Alan Stern wrote:
    > > On Thu, 21 Jun 2007, Rafael J. Wysocki wrote:
    > >
    > > > > I'll see if I can reproduce your problem here.
    > > >
    > > > Yes, I can. It's only necessary to load usb-storage (without any devices
    > > > actually using it) and it fails device_suspend() immediately (I don't think
    > > > it's freezer-related).
    > > >
    > > > I've got the following trace from it:
    > > >
    > > > usb_endpoint usbdev3.2_ep81: PM: suspend 0->1, parent 3-1:1.0 already 2
    > > > Suspending device 3-1:1.0
    > > > Suspending device usbdev3.2_ep00
    > > > Suspending device 3-1
    > > > Suspending device eth1
    > > > Suspending device eth0
    > > > Suspending device usbdev3.1
    > > > Suspending device usbdev3.1_ep81
    > > > Suspending device 3-0:1.0
    > > > Suspending device usbdev3.1_ep00
    > > > Suspending device usb3
    > > > hub 3-0:1.0: hub_suspend
    > > > ohci_hcd 0000:00:02.1: needs reinit!
    > > > usb usb3: suspend fail, err -16
    > > > usb usb3: 'global' suspend -16
    > > > hub 3-0:1.0: hub_resume
    > > > hub 3-0:1.0: activate --> -108
    > > > suspend_device(): usb_suspend+0x0/0x30() returns -16
    > > > Could not suspend device usb3: error -16
    > > > WARNING: at /home/rafael/src/mm/linux-2.6.22-rc4-mm2/drivers/usb/core/urb.c:293 usb_submit_urb()
    > >
    > > Well, a large part of the problem is that
    > >
    > > usb-try-to-debug-bug-8561.patch
    > >
    > > hasn't been reverted in 2.6.22-rc4-mm2.
    >
    > Yes, the problem is not present after reverting this patch.

    Not for me, I had that patch already reverted. As I said there was a
    point when bisecting which the kernel came back to life instead of just
    hanging trying to suspend.
    I'll try to get a trace with that. May the usb_storage verbose debug
    help there?

    --
    mattia
    :wq!
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