I think we had a similar problem in rust, and I ended up rewriting the
shell script in python and running it with nativepython3 :-)
Alex
On Fri, 21 Oct 2022 at 17:48, Joshua Watt <jpewhac...@gmail.com> wrote:
>
> Ya I've tracked it down to when qemu invokes the qemu-oe-bridge-helper
> to setup network bridging. This is a shell script that uses /bin/sh, and
> as the log indicates, /bin/sh can't find the required symbols to start
> up (and qemu fails).
>
> I also see it when runqemu attempt so to invoke the stty program to
> cleanup the console after qemu runs for the same reason. This one is a
> little easier to fix; I have a prototype patch that only passes the
> munged environment that sets LD_PRELOAD when runqemu actually invokes
> qemu by passing env= to subprocess. The other process invocations with
> subprcess are not passed this environment, so they don't see the
> LD_PRELOAD. This doesn't fix the bridge problem however because in that
> case, qemu is invoking the script so the script inherits qemu's environment.
>
> On 10/21/22 10:43, Alexander Kanavin wrote:
> > This is the first time I hear about this - can you find out what is
> > expecting the symbol, and where it's supposed to come from?
> >
> > Alex
> >
> > On Fri, 21 Oct 2022 at 17:27, Joshua Watt <jpewhac...@gmail.com> wrote:
> >> This patch broke runqemu for me when I moved to kirkstone. I get this
> >> error:
> >>
> >> /bin/sh: symbol lookup error:
> >> /grmn/prj/mrn/alchemy/build/tmp/eng/kirkstone/tetra/sysroots-uninative/x86_64-linux/lib/librt.so.1:
> >> undefined symbol: __libc_unwind_link_get, version GLIBC_PRIVATE
> >>
> >> And I'm not sure how to fix it. Reverting this change does resolve the
> >> problem.
> >>
> >> My host is Ubuntu 20.04
> >>
> >>
> >>
> >> On Fri, Feb 4, 2022 at 2:40 PM Alexander Kanavin <alex.kana...@gmail.com>
> >> wrote:
> >>> Some of the host distributions build the drivers in a way (RPATH/RUNPATH)
> >>> that tricks uninative loader into loading pieces of the host libc, if
> >>> the same pieces haven't been previously loaded by native binaries. Mixing
> >>> the two libc versions leads to failures.
> >>>
> >>> This change ensures that the correct (uninative) versions are always in
> >>> use.
> >>>
> >>> Signed-off-by: Alexander Kanavin <a...@linutronix.de>
> >>> ---
> >>> meta/classes/qemuboot.bbclass | 2 +-
> >>> scripts/runqemu | 4 ++++
> >>> 2 files changed, 5 insertions(+), 1 deletion(-)
> >>>
> >>> diff --git a/meta/classes/qemuboot.bbclass b/meta/classes/qemuboot.bbclass
> >>> index cc1cbce69d..229bd88527 100644
> >>> --- a/meta/classes/qemuboot.bbclass
> >>> +++ b/meta/classes/qemuboot.bbclass
> >>> @@ -109,7 +109,7 @@ def qemuboot_vars(d):
> >>> build_vars = ['MACHINE', 'TUNE_ARCH', 'DEPLOY_DIR_IMAGE',
> >>> 'KERNEL_IMAGETYPE', 'IMAGE_NAME', 'IMAGE_LINK_NAME',
> >>> 'STAGING_DIR_NATIVE', 'STAGING_BINDIR_NATIVE',
> >>> - 'STAGING_DIR_HOST', 'SERIAL_CONSOLES']
> >>> + 'STAGING_DIR_HOST', 'SERIAL_CONSOLES',
> >>> 'UNINATIVE_LOADER']
> >>> return build_vars + [k for k in d.keys() if k.startswith('QB_')]
> >>>
> >>> do_write_qemuboot_conf[vardeps] += "${@' '.join(qemuboot_vars(d))}"
> >>> diff --git a/scripts/runqemu b/scripts/runqemu
> >>> index 4e05c1bb15..7d1f85f357 100755
> >>> --- a/scripts/runqemu
> >>> +++ b/scripts/runqemu
> >>> @@ -460,6 +460,10 @@ class BaseConfig(object):
> >>> except subprocess.CalledProcessError as e:
> >>> raise RunQemuError("Could not determine the path to dri
> >>> drivers on the host via pkg-config.\nPlease install Mesa development
> >>> files (particularly, dri.pc) on the host machine.")
> >>> os.environ['LIBGL_DRIVERS_PATH'] =
> >>> dripath.decode('utf-8').strip()
> >>> + uninative_path = os.path.dirname(self.get("UNINATIVE_LOADER"))
> >>> + preload_items = ['libdl.so.2', 'librt.so.1', 'libpthread.so.0']
> >>> + preload_paths = [os.path.join(uninative_path, i) for i in
> >>> preload_items]
> >>> + os.environ['LD_PRELOAD'] = " ".join(preload_paths)
> >>>
> >>> def check_args(self):
> >>> for debug in ("-d", "--debug"):
> >>> --
> >>> 2.20.1
> >>>
> >>>
> >>>
> >>>
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