Re: Which qemu change corresponds to RedHat bug 1655408

["Philippe Mathieu-Daudé" <philmd@redhat.com>]

On 10/8/20 6:49 PM, Jakob Bohm wrote:
> (Top posting because previous reply did so):

Which previous reply? Mine? I wrote "hi Jakob" then
replied in-line, maybe you missed it? See below...

> 
> If the bug was closed as "can't reproduce", why was a very similar bug
> listed as fixed in RHSA-2019:2553-01 ?
> 
> 
> On 2020-10-08 18:41, Philippe Mathieu-Daudé wrote:
>> Hi Jakob,
>>
>> On 10/8/20 6:32 PM, Jakob Bohm wrote:
>>> Red Hat bugzilla bug 1655408 against qemu is listed by Red Hat as
>>> fixed in
>>> April 2019, but I cannot find the corresponding change on qemu.org (the
>>> Changelog in the wiki is not a traditional changelog and doesn't cover
>>> bugfix releases such as 5.0.1, the git commit log is too detailed to
>>> search, the Red Hat bugzilla and security advisory pages do not link
>>> red hat bugs back to upstream (launchpad) bugs or git changes.
>>>
>>> Here is the bug title (which also affects my Debian packaged qemu 5.0):
>>>
>>> VM can not boot up due to "Failed to lock byte 100" if cdrom has been
>>> mounted on the host
>>>
>>> Further observation:
>>>
>>> The basic problem is that qemu-system refuses to start with the error
>>> message "Failed to lock byte 100" when -drive points to a read-only
>>> ISO file.  For the reporter of the Red Hat bug, that was a mount-induced
>>> read-only condition, in my case it is an NFS mount of a read-only
>>> directory.
>>>
>>> The error message itself seams meaningless, as there is no particular
>>> reason to request file locks on a read-only raw disk image.
>>>
>>> my qemu-system-x86_64 invocation contains the option (on one line):
>>>
>>> -drive if=none,id=drive-ide0-1-0,readonly=on,
>>> file=/mnt/someshare/path/gparted-live-1.1.0-5-amd64.iso,format=raw
>>
>> https://bugzilla.redhat.com/show_bug.cgi?id=1655408 has been
>> closed due to lack of reproducer. Can you amend your information
>> to the BZ? It will likely be re-opened. Thanks!

... here is my reply.

Regards,

Phil.

>>
>>>
>>> Enjoy
>>>
>>> Jakob
>>> -- 
>>> Jakob Bohm, CIO, Partner, WiseMo A/S.  https://www.wisemo.com
>>> Transformervej 29, 2860 Søborg, Denmark.  Direct +45 31 13 16 10
>>> This public discussion message is non-binding and may contain errors.
>>> WiseMo - Remote Service Management for PCs, Phones and Embedded
>>>
>>
> 
> 
> Enjoy
> 
> Jakob