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Diffstat (limited to 'mailinglist/output_launchpad/877498')
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diff --git a/mailinglist/output_launchpad/877498 b/mailinglist/output_launchpad/877498 new file mode 100644 index 00000000..d7b3ccbf --- /dev/null +++ b/mailinglist/output_launchpad/877498 @@ -0,0 +1,62 @@ +qemu does not pass sector size from physical devices to virtual devices + +When passing a physical disk (i.e. a multipathed fcal volume in my case) with a 4k sector size as raw image to qemu (-drive file=/dev/mapper/hartebeest-sys,if=none,id=drive-virtio-disk0,boot=on,format=raw), the resulting virtual device has a sector size of 512b, rendering the partition table unusable! + +QEMU 0.12 is pretty much outdated ... can you still reproduce this issue with the latest version of QEMU, or can we close this bug nowadays? + +Hi, + +I can’t verify it for the logical block size right away, but +this bug still present for the physical block size in qemu-kvm 1:2.1+dfsg-1. + +I will try to verify this bug with testing soon + +> On 20. Mar 2017, at 23:57, Thomas Huth <email address hidden> wrote: +> +> QEMU 0.12 is pretty much outdated ... can you still reproduce this issue +> with the latest version of QEMU, or can we close this bug nowadays? +> +> ** Changed in: qemu +> Status: New => Incomplete +> +> -- +> You received this bug notification because you are subscribed to the bug +> report. +> https://bugs.launchpad.net/bugs/877498 +> +> Title: +> qemu does not pass sector size from physical devices to virtual +> devices +> +> Status in QEMU: +> Incomplete +> +> Bug description: +> When passing a physical disk (i.e. a multipathed fcal volume in my +> case) with a 4k sector size as raw image to qemu (-drive +> file=/dev/mapper/hartebeest-sys,if=none,id=drive-virtio- +> disk0,boot=on,format=raw), the resulting virtual device has a sector +> size of 512b, rendering the partition table unusable. +> +> Versions used: QEMU 0.12.5 (qemu-kvm-0.12.5) from debian unstable +> +> To manage notifications about this bug go to: +> https://bugs.launchpad.net/qemu/+bug/877498/+subscriptions +> + +AVE! + Philipp S. Tiesel / phils… +-- + {phils}--->---(<email address hidden>)--->---(http://phils.in-panik.de)----, + wenn w eine aube ist dn man au dran dre en | + o Schr an muss hc h (Kurt Schwitters) | +:wq! <----(phone: +49-179-6737439)---<---(jabber: <email address hidden>)----' + + + +QEMU 2.1 is also not supported anymore. Please test with the latest upstream QEMU version (2.8 ... or the latest 2.9 release candidate) - or otherwise report the bug in the bug tracker of your distribution instead. + +[Expired for QEMU because there has been no activity for 60 days.] + +Recent QEMU is able to do read-modify-write operations when using 512 byte logical sectors in the VM and 4K logical sectors in the host. + |