Progress:
* UM-2 [QEMU upstream maintainership]
- Usual code review and patch handling work
- Spent a couple of days investigating a long-standing intermittent
test case failure booting a kernel on the raspberry pi. This turned
out to be caused by two linked bugs:
- the test framework unhelpfully disconnects immediately from the
guest serial console when the test ends, rather than staying
connected until the QEMU process exits to capture all the output
- QEMU's socket chardev loses data when the remote end closes the
connection if the guest UART hasn't read all of it
So the test was failing because the guest sometimes only saw
the 'h' of the final 'halt' command the test sent...
- Investigated and fixed a regression caused by some of last week's
reset patches. (Turns out the patch to fix it had been sent back
in 2021 but we accidentally dropped it on the floor. Oops.)
thanks
-- PMM
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