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Diffstat (limited to 'mailinglist/output_launchpad/1863710')
| -rw-r--r-- | mailinglist/output_launchpad/1863710 | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/mailinglist/output_launchpad/1863710 b/mailinglist/output_launchpad/1863710 new file mode 100644 index 00000000..d90cafe2 --- /dev/null +++ b/mailinglist/output_launchpad/1863710 @@ -0,0 +1,20 @@ +qemu 4.2 does not process discard(trim) commands + +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. + + + + + +How did you start QEMU? Does this still happen with the latest version of QEMU? + +I mean: Please provide the QEMU command line parameters ... is this also reproducible without libvirt? ... otherwise it might also be a problem in libvirt instead... + +[Expired for QEMU because there has been no activity for 60 days.] + |