Re: [linux-usb-devel] 2.6.22-rc2-mm1

2007-05-23 Thread Oleg Nesterov
On 05/23, Alan Stern wrote: > > Okay, it's clear that the two threads are in deadlock. It's not clear > how the deadlock arose to begin with -- apparently there was a remote > wakeup request for a root hub at the same time as a device below that > root hub was disconnected, which doesn't make m

Re: [linux-usb-devel] 2.6.22-rc2-mm1

2007-05-23 Thread Oleg Nesterov
On 05/23, Andrew Morton wrote: > > On Wed, 23 May 2007 10:47:04 -0400 (EDT) Alan Stern <[EMAIL PROTECTED]> wrote: > > > Is it possible to get an Alt-SysRq-T stack trace during those 20 > > seconds? Knowing what those threads are waiting for would be a big > > help. > > [ 144.201264] khubd