On Wed, Oct 11, 2023 at 10:05 AM +0200, "Marc Hartmayer" <mhartmay@xxxxxxxxxxxxx> wrote: > On Thu, Sep 28, 2023 at 05:37 PM +0200, Marc Hartmayer <mhartmay@xxxxxxxxxxxxx> wrote: >> Currently, early console output may be lost, e.g. if starting a guest with >> `virsh start --console` guest, which can make debugging of early failures very >> difficult >> (like zipl messages or disabled wait conditions happening early). This is >> because QEMU may emit serial console output before the libvirt console client >> starts to consume data from the pts. This can be prevented by starting the guest >> in paused state, connect to the console and then resume the guest. >> >> Note: There is still a problem in QEMU itself, see QEMU patch series `[PATCH] >> chardev/char-pty: Avoid losing bytes when the other side just (re-)connected` >> [1] This patch is now accepted upstream. >> >> Changelog: >> RFCv1->v1: >> + rebased on current master >> + worked in comments from Daniel >> >> [1] https://lists.gnu.org/archive/html/qemu-devel/2023-08/msg02725.html >> >> Marc Hartmayer (3): >> virsh: add `console --resume` support >> Improve `virsh start --console` behavior >> Improve `virsh create --console` behavior >> >> tools/virsh-console.c | 8 ++++ >> tools/virsh-console.h | 1 + >> tools/virsh-domain.c | 94 ++++++++++++++++++++++++++++++++----------- >> 3 files changed, 80 insertions(+), 23 deletions(-) >> >> >> base-commit: dd403f8873cf8de7675b89ed757a4228af7bc05e >> -- >> 2.34.1 >> > > Polite ping and adding Daniel to CC - sry I missed that in the > beginning. > > -- > Kind regards / Beste Grüße > Marc Hartmayer > > IBM Deutschland Research & Development GmbH > Vorsitzender des Aufsichtsrats: Gregor Pillen > Geschäftsführung: David Faller > Sitz der Gesellschaft: Böblingen > Registergericht: Amtsgericht Stuttgart, HRB 243294 Very friendly ping. -- Kind regards / Beste Grüße Marc Hartmayer IBM Deutschland Research & Development GmbH Vorsitzender des Aufsichtsrats: Gregor Pillen Geschäftsführung: David Faller Sitz der Gesellschaft: Böblingen Registergericht: Amtsgericht Stuttgart, HRB 243294
