Messages in this thread | | | Date | Tue, 22 Jan 2008 14:54:25 -0800 (PST) | From | Davide Libenzi <> | Subject | Re: 2.6.24-rc7 to 2.6.24-rc8 possible regression |
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On Tue, 22 Jan 2008, Stefan Richter wrote:
> (adding Cc: Davide and akpm) > > On 22 Jan, Peter Zijlstra wrote: > > > > On Tue, 2008-01-22 at 17:23 +0100, Stefan Richter wrote: > >> Denys Fedoryshchenko wrote: > >> > No, i am using vanilla kernel. It is one of production machines, and as i > >> > know screen is not using epoll. > >> > >> OK, but the trace shows that it is the epoll recursion again. > >> > >> > I will try to apply on all my production machines this patch. Sorry if it is > >> > related. > >> > >> Well, let's hope that the lockdep annotation or whatever other fix gets > >> into mainline sooner than later. Which reminds me to test my setup > >> again which appeared to be able to reproduce the __wake_up recursion on > >> my command... > > > > Would be appreciated, I have been waiting on testing feedback because > > I'm not fully certain here. > > > > Curious though that this gets reported frequently the last few weeks, > > afaics this problem is way old. > > Here is a report against Fedora's 2.6.23-0.222.rc9.git4.fc8, filed in > October: https://bugzilla.redhat.com/show_bug.cgi?id=323411 > > I did several tests with a pristine 2.6.24-rc8 now. The lockdep warning > below is 100% reliably triggered by grabbing video from a DV camcorder > with dvgrab v3 via firewire-core's character device file ABI. > > Also, this warning is 100% reliably suppressed by your annotation patch. > I will reply to this message with this patch for kind consideration by > those concerned. :-)
Patch? Where is it?
- Davide
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