[llvm-dev] ORC error: No callback manager available (original) (raw)

Greg Nancarrow via llvm-dev llvm-dev at lists.llvm.org
Wed Jul 1 17:29:57 PDT 2020

Hi,

Any update on this? Anyone?

Greg

On Fri, Jun 26, 2020 at 3:04 AM David Blaikie <dblaikie at gmail.com> wrote:

+Lang Hames, Lord of ORCs On Thu, Jun 25, 2020 at 4:49 AM Greg Nancarrow via llvm-dev <llvm-dev at lists.llvm.org> wrote: > > Hi LLVM Developers, > > I have a query about an LLVM error message that I'm encountering and I > hope it's appropriate to post to this mailing list about it. > > Postgres can be built with LLVM-based JIT support. > I find that when running on Linux (RHEL8) on IBM Z hardware, using > LLVM8+, I'm seeing many instances of the following LLVM error message > appearing in the Postgres server log: > > ORC error: No callback manager available for s390x-ibm-linux > > (strangely, it otherwise doesn't seem to be causing any problems) > > Looking through the LLVM source code, it appears that for the > "systemz" architecture, there is currently no local CCMgr > implementation available, and this then prevents indirection support > and COD layer support. BUT - apparently it can still function (maybe > less efficiently?) without these? > Is somebody able to clarify exactly what that error message means and > what the limitations are? Is it unwise to use LLVM on architectures on > which this error is reported? > I looked through the LLVM V10 source code and there still seems to be > this issue for systemz. > > Secondly, LLVM sends this error message to standard error. As a caller > of the LLVM library, it would be nice to be able to redirect such > messages from the library - is it possible? > > Hope you can advise, > Greg _> ________________________ > LLVM Developers mailing list > llvm-dev at lists.llvm.org > https://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-dev

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