Messages in this thread | | | Date | Thu, 22 Mar 2007 09:48:48 +0000 | From | Andy Whitcroft <> | Subject | Re: 2.6.21-rc4-mm1 |
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Andy Whitcroft wrote: > Andy Whitcroft wrote: >> Andrew Morton wrote: >>> Temporarily at >>> >>> http://userweb.kernel.org/~akpm/2.6.21-rc4-mm1/ >>> >>> Will appear later at >>> >>> ftp://ftp.kernel.org/pub/linux/kernel/people/akpm/patches/2.6/2.6.21-rc4/2.6.21-rc4-mm1/ >>> >>> >>> >> [All of the below is from the pre hot-fix runs. The very few results >> which are in for the hot-fix runs seem worse if anything. :( All >> results should be out on TKO.] >> >>> - Restored the RSDL CPU scheduler (a new version thereof) >> Unsure if the above is the culprit but there seems to be a smattering of >> BUG's in kernbench from the schedular on several systems, and panics >> which do not fully dump out. >> >> elm3b239 is about 2/4 kernbench being the test in progress when we >> blammo in both failed tests, elm3b234 doesn't boot at all. > > Well I have one result through for backing RSDL out on elm3b239 and that > does indeed seem to give us a successful boot and test. peterz has > pointed me to an incremental patch from Con which I'll push through > testing and see if that sorts it out.
Ok, tested the patch below on top of 2.6.21-rc4-mm1 and this seems to fix the problem:
http://ck.kolivas.org/patches/staircase-deadline/2.6.21-rc4-mm1-rsdl-0.32.patch
Hard to tell from that patch whether it will be fixed in the changes already committed to the next -mm.
Its possible that it may be fixed by the following patch:
sched-rsdl-improvements.patch
Which has the following slipped in at the end of the changelog:
A tiny change checking for MAX_PRIO in normal_prio() may prevent oopses on bootup on large SMP due to forking off the idle task.
Con, are all the changes in the 0.32 patch above with akpm?
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