Messages in this thread | | | From | Michael Buesch <> | Subject | Re: [RFC] Strange code in cpu_idle() | Date | Mon, 6 Dec 2004 11:01:01 +0100 |
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Quoting Zwane Mwaikambo <zwane@arm.linux.org.uk>: > On Mon, 6 Dec 2004, Michael Buesch wrote: > > > Hi Paul, > > > > Well, your mail is _very_ interresting for me. > > > > I get this oops for weeks with several kernel versions now: > > There shouldn't be any oopses with the changes in question, the original > bugfix was for crashes whilst unloading ACPI processor or APM module. > > > Unable to handle kernel paging request at virtual address 00099108 > > printing eip: > > b01010c0 > > *pde = 00000000 > > Oops: 0000 [#1] > > SMP > > Modules linked in: nfs lockd sunrpc nvidia ipv6 ohci_hcd tuner tvaudio msp3400 bttv video_buf firmware_class btcx_risc ehci_hcd uhci_hcd usbcore intel_agp agpgart evdev > > CPU: 0 > > EIP: 0060:[<b01010c0>] Tainted: P VLI > > EFLAGS: 00010286 (2.6.10-rc2-ck2-nozeroram-findvmastat) > > It would be a lot easier to debug with a vanilla kernel and no nvidia > loaded. > > > The above oops shows a crash when we try to access the > > thread_info->flags field. This is done by need_resched() > > to check the TIF_NEED_RESCHED flag. > > I don't know how to interpret the oops correctly to find > > the source of the crash. > > Looks like thread_info was. Wow i think you're in a different world of > hurt. If you can reproduce with less patches and no nvidia please send > over the bugreport.
Yes. That's the problem. It's impossible to reproduce and it's pure luck when it's triggered. I'll look what I can do. nvidia already received this bugreport.
> Thanks, > Zwane > > >
-- Regards Michael Buesch [ http://www.tuxsoft.de.vu ]
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