Messages in this thread | | | Date | Thu, 1 Feb 2024 09:54:29 +0800 | From | Oliver Sang <> | Subject | Re: [linus:master] [sched/eevdf] 2227a957e1: BUG:kernel_NULL_pointer_dereference,address |
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hi, Honglei,
On Thu, Feb 01, 2024 at 09:29:30AM +0800, Honglei Wang wrote: > > > On 2024/1/30 22:09, Oliver Sang wrote: > > hi, Abel, > > > > On Tue, Jan 30, 2024 at 06:13:32PM +0800, Abel Wu wrote: > > > On 1/30/24 3:24 PM, kernel test robot Wrote: > > > > > > > > > > > > Hello, > > > > > > > > (besides a previous performance report), > > > > kernel test robot noticed "BUG:kernel_NULL_pointer_dereference,address" on: > > > > > > > > commit: 2227a957e1d5b1941be4e4207879ec74f4bb37f8 ("sched/eevdf: Sort the rbtree by virtual deadline") > > > > https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git master > > > > > > > > [test failed on linus/master 3a5879d495b226d0404098e3564462d5f1daa33b] > > > > [test failed on linux-next/master 01af33cc9894b4489fb68fa35c40e9fe85df63dc] > > > > > > > > in testcase: trinity > > > > version: trinity-i386-abe9de86-1_20230429 > > Hi Oliver, > > I'm a bit curious, did the problem happen on i386 only? Did you hit it on > x86_64 or other platform with the same trinity testcases?
we did not observe same issue on x86_64 so far.
we can run performance tests with this commit on x86_64 (compiled with gcc-12). FYI, we sent out a performance report before this crash one.
https://lore.kernel.org/all/202401292151.829b01b0-oliver.sang@intel.com/
> > Thanks, > Honglei
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