Messages in this thread | | | Subject | Re: Occasional hung with UM after enable VMAP_STACK | From | Anton Ivanov <> | Date | Tue, 4 Jan 2022 21:39:15 +0000 |
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On 04/01/2022 19:26, Walter Lozano wrote: > Hi Johannes, > > On 1/4/22 16:04, Johannes Berg wrote: >> On Tue, 2022-01-04 at 15:10 -0300, Walter Lozano wrote: >>> Hi all, >>> >>> I noticed that after "um: enable VMAP_STACK" [1] I experienced some >>> occasional hung in my Gitlab CI jobs that use user-mode-linux to build >>> distro images. >>> >> Did you actually *enable* VMAP_STACK in the config as well? The commit >> just makes it *possible* to enable it, you still have to set it >> yourself. So you should be able to easily check with/without that >> setting. > > Thank you for your quick response. The Debian configuration on package > user-mode-linux have these settings > > CONFIG_HAVE_ARCH_VMAP_STACK=y > CONFIG_VMAP_STACK=y > > > as you can see in [1]. I did run some tests disabling those settings, > which passed without any hung. > > Unfortunately the "occasional" behavior makes this issue a bit tricky to > debug. > > Regards, > > Walter > > [1] > https://salsa.debian.org/uml-team/user-mode-linux/-/blob/master/config.amd64#L321 > >
Just to narrow things down - 64 bit or 32 bit?
-- Anton R. Ivanov https://www.kot-begemot.co.uk/
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