Your message dated Wed, 27 Aug 2025 07:52:55 +0000
with message-id <[email protected]>
and subject line Bug#1108387: fixed in qemu 1:10.1.0+ds-1
has caused the Debian Bug report #1108387,
regarding qga command 'guest-suspend-disk' fails because it cannot create a
temporary file in /sys/power
to be marked as done.
This means that you claim that the problem has been dealt with.
If this is not the case it is now your responsibility to reopen the
Bug report if necessary, and/or fix the problem forthwith.
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--
1108387: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1108387
Debian Bug Tracking System
Contact [email protected] with problems
--- Begin Message ---
Package: qemu-guest-agent
Version: 1:10.0.2+ds-1
Dear qemu maintainer(s),
it seems the qemu-guest-agent package (at least the one shipped in
Debian trixie) contains a logic bug that can prevent a suspend-to-mem or
suspend-to-disk command from executing.
The VM in question is a freshly installed Debian trixie guest with
qemu-guest-agent version 1:10.0.2+ds-1 installed.
What I did
----------
I called "virsh dompmsuspend <vm-name> --target disk" on the hypervisor.
What I expected to happen
-------------------------
guest suspends to disk
What actually happened
----------------------
guest did not suspend, and instead I got this error output:
error: Domain '<vm-name>' could not be suspended
error: guest agent command failed: unable to execute QEMU agent command
'guest-suspend-disk': suspend: cannot write to '/sys/power/state':
Failed to create file “/sys/power/state.36DK82”: Permission denied
Suggested Fix/Workaround
------------------------
I believe the actual write attempt is performed in this location:
qga/commands-linux.c at line 1412 [1].
It is possible the g_file_set_contents() function internally tries to
create a temporary file in the same folder as the target file, probably
to prevent losing the original file contents in case of any error during
write.
I suggest changing this to a plain old fopen() -> fwrite() -> fclose()
call sequence since there is no danger of data loss on sysfs writes.
Thank you for your time,
- Danny Edel
[1]:
https://sources.debian.org/src/qemu/1:10.0.2+ds-1/qga/commands-linux.c/?hl=1412#L1412
--- End Message ---
--- Begin Message ---
Source: qemu
Source-Version: 1:10.1.0+ds-1
Done: Michael Tokarev <[email protected]>
We believe that the bug you reported is fixed in the latest version of
qemu, which is due to be installed in the Debian FTP archive.
A summary of the changes between this version and the previous one is
attached.
Thank you for reporting the bug, which will now be closed. If you
have further comments please address them to [email protected],
and the maintainer will reopen the bug report if appropriate.
Debian distribution maintenance software
pp.
Michael Tokarev <[email protected]> (supplier of updated qemu package)
(This message was generated automatically at their request; if you
believe that there is a problem with it please contact the archive
administrators by mailing [email protected])
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Hash: SHA512
Format: 1.8
Date: Wed, 27 Aug 2025 10:34:09 +0300
Source: qemu
Architecture: source
Version: 1:10.1.0+ds-1
Distribution: unstable
Urgency: medium
Maintainer: Debian QEMU Team <[email protected]>
Changed-By: Michael Tokarev <[email protected]>
Closes: 1097693 1107104 1108387
Changes:
qemu (1:10.1.0+ds-1) unstable; urgency=medium
.
* new upstream release (v10.1.0)
Closes: #1107104, #1108387
* d/gbp.conf: switch to upstream-10.1 branch
* d/watch: switch to 10.1.x series
* d/copyright: update Files-Excluded
* d/patches/qemu-img-options.patch: remove
* remove patches which has been applied upstream:
- hw-display-qxl-render.c-fix-qxl_unpack_chunks-chunk-.patch
- system-physmem-fix-use-after-free-with-dispatch.patch
- pcie_sriov-Fix-configuration-and-state-synchronizati.patch
- hw-uefi-clear-uefi-vars-buffer-in-uefi_vars_write-CVE-2025-8860.patch
* d/patches/gnu-hurd.patch: refresh
* d/patches/disable-pycotap.patch: refresh
* d/control.mk: checked-version=10.1.0+ds
* d/rules: remove --enable-avx2 (not used anymore)
* d/rules: dts files in pc-bios moved into a subdir (pc-bios/dtb)
* skip-install-dtb.patch: avoid installing dtb files during arch build
These are built in indep step in d/rules.
+ skip-install-dtb.patch
* d/rules: use ${sysdataidir} in one more place instead of direct reference
* d/control: remove redundant unversioned python3 from Build-Depends
* d/control.mk: enable microblaze system targets on 32bit hosts
microbiaze has been erroneously treated as 64bit architecture,
and has been disabled in 10.0 on 32bit hosts. Now it is correctly
treated as 32bit architecture and is buildable on 32bit hosts again
* d/control: suggest passt among with vde2
* d/rules: add comment to remove ipxe from FIRMWAREPATH
* d/rules: remove --disable-pie from i386 qemu-user build
and remove references to old related bugs
* two patches for roms to support gcc -std=23 (bool type)
+SLOF-stdc23.patch
+u-boot-sam460ex-stdc23.patch
Closes: #1097693
* d/*.lintian-overrides: remove spelling-error-in-binary wtH mips overrides
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