Messages in this thread | | | Subject | Re: Linux 5.13-rc6 regression to 5.12.x: kernel OOM and panic during kernel boot in low memory Xen VM's (256MB assigned memory). | From | Sander Eikelenboom <> | Date | Thu, 17 Jun 2021 14:35:50 +0200 |
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On 17/06/2021 12:30, Juergen Gross wrote: > On 17.06.21 11:26, Sander Eikelenboom wrote: >> L.S., >> >> I just tried to upgrade and test the linux kernel going from the 5.12 >> kernel series to 5.13-rc6 on my homeserver with Xen, but ran in some >> trouble. >> >> Some VM's boot fine (with more than 256MB memory assigned), but the >> smaller (memory wise) PVH ones crash during kernel boot due to OOM. >> Booting VM's with 5.12(.9) kernel still works fine, also when dom0 is >> running 5.13-rc6 (but it has more memory assigned, so that is not >> unexpected). >> >> The 5.13-rc6'ish kernel is a pull of today, tried both with and without > >> last AKPM's patches, but that >> makes no difference. >> >> Below are stacktraces from a few of the crashing VM's. >> >> Attached is the kernel .config >> >> Any pointers ? > > Did you compare memory usage with a bootable guest between kernel 5.12 > and 5.13-rc6? > > Any chance you could bisect? > > > Juergen >
Yeah a bisection is already underway, still 10 steps to go ...
-- Sander
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