Date: Fri, 14 Dec 2012 16:39:42 +0200 From: Andriy Gapon <avg@FreeBSD.org> To: Alexander Yerenkow <yerenkow@gmail.com> Cc: freebsd-current <freebsd-current@FreeBSD.org> Subject: Re: Reproduceable hang Message-ID: <50CB3A2E.7030407@FreeBSD.org> In-Reply-To: <CAPJF9w=kmx4pEw0RkttMbqG5ipw3dy7maMm-2hSfqq6Gtr0cXQ@mail.gmail.com> References: <CAPJF9wn9%2B=O8SwE1%2Bw30yYY-AN_M6QDoRfw2Q4jumB2Qr=si0Q@mail.gmail.com> <CAPJF9wn5BkfF7mmReG8tpxZakj3icAOugvYeYV5bbbGhAFJYnQ@mail.gmail.com> <50C9B33C.9020505@FreeBSD.org> <CAPJF9w=kmx4pEw0RkttMbqG5ipw3dy7maMm-2hSfqq6Gtr0cXQ@mail.gmail.com>
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on 14/12/2012 14:46 Alexander Yerenkow said the following: > Setup: ESXi 5.1.0 > Seems this happens when vmmemctl.ko loaded (from their latest vmtools), and when > you give a bit more memory than there is free. This is weird... As I can see in os_kmem_alloc function (in modules/freebsd/vmmemctl/os.c of /usr/ports/emulators/open-vm-tools port), the object lock is correctly acquired there. I suspect some binary incompatibility between the module and your kernel. Try to recompile the module again using the same source tree tree and the option. > 2012/12/13 Andriy Gapon <avg@freebsd.org <mailto:avg@freebsd.org>> > > on 13/12/2012 12:46 Alexander Yerenkow said the following: > > 2012/12/13 Alexander Yerenkow <yerenkow@gmail.com <mailto:yerenkow@gmail.com>> > > > >> Hello there. > >> I have here 100% reproduceable hangs when run one custom java program. > >> Can someone look into? > >> > >> I can give some more info (some other trace) if required. > >> > >> > > > > > > If someone didn't get attachment - here's link to screenshot > > > > https://www.box.com/s/fir8ntjc4rjq5xv0vbyl > > Looks like either a bug or an "out-of-sync" issue in whatever (virtualization?) > driver that has function OS_ReservedPageAlloc. -- Andriy Gapon
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