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[PATCH 0/2] ui/gtk: prevent QEMU lock up

From: Volker Rümelin
Subject: [PATCH 0/2] ui/gtk: prevent QEMU lock up
Date: Sun, 18 Jul 2021 09:46:07 +0200
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.12.0

Since commit 8eb13bbbac ("ui/gtk: vte: fix sending multiple
characeters") it's very easy to lock up QEMU with the gtk ui.
If you configure a guest with a serial device and the guest
doesn't listen on this device, QEMU will lock up after
entering two characters in the serial console.

Patch 1/2 is a bug fix for 6.1.

Patch 2/2 is a preview for 6.2. If there are no objections, I
will resend this patch for the 6.2 development cycle together
with changes to ui/console similar to the changes in patch 1/2.
This will remove the QEMUFIFO code in ui/console.c.

Volker Rümelin (2):
  ui/gtk: add a keyboard fifo to the VTE consoles
  ui/gtk: drop chars if the chardev frontend makes no progress

 include/ui/gtk.h |  7 ++++
 ui/gtk.c         | 84 +++++++++++++++++++++++++++++++++++++++++++-----
 2 files changed, 83 insertions(+), 8 deletions(-)


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