Public bug reported:
I'm using Arch Linux with qemu 4.2 and blktrace to monitor discard
commands as they are sent to the hardware. Blktrace shows nothing as
the VM is trimming the SSDs.
I downgraded to qemu 4.1.1 and blktrace shows lots of discard commands
as the VM is trimming.
Kernel version is 5.5.4.
Attached is the libvirt xml.
** Affects: qemu
Importance: Undecided
Status: New
** Attachment added: "win10-real.xml"
https://bugs.launchpad.net/bugs/1863710/+attachment/5329158/+files/win10-real.xml
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https://bugs.launchpad.net/bugs/1863710
Title:
qemu 4.2 does not process discard(trim) commands
Status in QEMU:
New
Bug description:
I'm using Arch Linux with qemu 4.2 and blktrace to monitor discard
commands as they are sent to the hardware. Blktrace shows nothing as
the VM is trimming the SSDs.
I downgraded to qemu 4.1.1 and blktrace shows lots of discard commands
as the VM is trimming.
Kernel version is 5.5.4.
Attached is the libvirt xml.
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