I don't believe that this is fixed.  I am still getting errors:

[   88.448840] ------------[ cut here ]------------
[   88.448842] nouveau 0000:01:00.0: timeout
[   88.448887] WARNING: CPU: 3 PID: 1177 at
/build/linux-hwe-5.4-hNUtrM/linux-hwe-5.4-5.4.0/drivers/gpu/drm/nouveau/nvkm/falcon/v1.c:313
nvkm_falcon_v1_clear_interrupt+0xe6/0x100 [nouveau]
[   88.448887] Modules linked in: cmac bnep snd_hda_codec_hdmi
snd_soc_hdac_hdmi snd_hda_codec_realtek snd_hda_codec_generic snd_soc_dmic
snd_sof_pci snd_sof_intel_hda_common snd_soc_hdac_hda snd_sof_intel_hda
snd_sof_intel_byt snd_sof_intel_ipc snd_sof snd_sof_xtensa_dsp
snd_hda_ext_core snd_soc_acpi_intel_match snd_soc_acpi ledtrig_audio
snd_soc_core snd_compress ac97_bus snd_pcm_dmaengine nls_iso8859_1 joydev
hid_multitouch 8250_dw mei_hdcp intel_rapl_msr x86_pkg_temp_thermal
intel_powerclamp coretemp kvm_intel snd_hda_intel snd_intel_dspcfg uvcvideo
kvm iwlmvm snd_seq_midi snd_seq_midi_event snd_hda_codec videobuf2_vmalloc
rapl input_leds snd_hda_core snd_rawmidi mac80211 videobuf2_memops btusb
snd_hwdep videobuf2_v4l2 btrtl videobuf2_common asus_nb_wmi btbcm asus_wmi
btintel intel_cstate libarc4 serio_raw sparse_keymap wmi_bmof videodev
snd_seq snd_pcm bluetooth iwlwifi mc snd_seq_device snd_timer snd
processor_thermal_device mei_me ecdh_generic intel_rapl_common
intel_lpss_pci ecc
[   88.448901]  cfg80211 intel_lpss idma64 mei virt_dma soundcore
intel_soc_dts_iosf intel_pch_thermal int3403_thermal int340x_thermal_zone
mac_hid int3400_thermal acpi_pad asus_wireless acpi_thermal_rel
sch_fq_codel parport_pc ppdev lp parport ip_tables x_tables autofs4
algif_skcipher af_alg dm_crypt hid_generic usbhid nouveau i915
crct10dif_pclmul crc32_pclmul mxm_wmi ghash_clmulni_intel ttm i2c_algo_bit
aesni_intel drm_kms_helper crypto_simd syscopyarea sysfillrect nvme
sysimgblt cryptd fb_sys_fops glue_helper drm r8169 ahci nvme_core realtek
libahci i2c_hid wmi video hid pinctrl_cannonlake pinctrl_intel
[   88.448913] CPU: 3 PID: 1177 Comm: gnome-shell Not tainted
5.4.0-62-generic #70~18.04.1-Ubuntu
[   88.448914] Hardware name: ASUSTeK COMPUTER INC. TUF Gaming
FX705GE_FX705GE/FX705GE, BIOS FX705GE.302 11/16/2018
[   88.448929] RIP: 0010:nvkm_falcon_v1_clear_interrupt+0xe6/0x100 [nouveau]
[   88.448930] Code: 45 b0 48 8b 40 10 48 8b 78 10 48 8b 5f 50 48 85 db 74
1b e8 3c 35 d6 c7 48 89 da 48 89 c6 48 c7 c7 ba c7 af c0 e8 2a 7f 70 c7
<0f> 0b eb a8 48 8b 1f eb e0 e8 fc 81 70 c7 66 90 66 2e 0f 1f 84 00
[   88.448930] RSP: 0018:ffffb912c1447a08 EFLAGS: 00010282
[   88.448931] RAX: 0000000000000000 RBX: ffff9b3ad8cfdb70 RCX:
0000000000000006
[   88.448931] RDX: 0000000000000007 RSI: 0000000000000096 RDI:
ffff9b3add8d78c0
[   88.448932] RBP: ffffb912c1447a58 R08: 00000000000003e9 R09:
0000000000000004
[   88.448932] R10: 000000000000002c R11: 0000000000000001 R12:
ffff9b3aca5aab00
[   88.448933] R13: 0000000000000010 R14: ffffffffffffff92 R15:
00000000ffffffff
[   88.448933] FS:  00007ff79ae03ac0(0000) GS:ffff9b3add8c0000(0000)
knlGS:0000000000000000
[   88.448934] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   88.448934] CR2: 000000c42085b000 CR3: 0000000850710002 CR4:
00000000003606e0
[   88.448935] Call Trace:
[   88.448950]  nvkm_falcon_clear_interrupt+0x15/0x20 [nouveau]
[   88.448972]  acr_r352_bootstrap+0x9f/0x290 [nouveau]
[   88.448993]  acr_r352_reset+0x39/0x250 [nouveau]
[   88.449014]  nvkm_secboot_reset+0x31/0x70 [nouveau]
[   88.449037]  gf100_gr_init_ctxctl+0x268/0x700 [nouveau]
[   88.449060]  gf100_gr_init+0x563/0x590 [nouveau]
[   88.449082]  gf100_gr_init_+0x90/0x120 [nouveau]
[   88.449104]  nvkm_gr_init+0x1d/0x20 [nouveau]
[   88.449117]  nvkm_engine_init+0x6b/0x1d0 [nouveau]
[   88.449131]  nvkm_subdev_init+0xb3/0x1d0 [nouveau]
[   88.449133]  ? _cond_resched+0x19/0x40
[   88.449146]  nvkm_engine_ref.part.0+0x4a/0x70 [nouveau]
[   88.449159]  nvkm_engine_ref+0x13/0x20 [nouveau]
[   88.449171]  nvkm_ioctl_new+0x277/0x2c0 [nouveau]
[   88.449194]  ? nvkm_fifo_chan_child_del+0xa0/0xa0 [nouveau]
[   88.449216]  ? gf100_gr_dtor+0xe0/0xe0 [nouveau]
[   88.449229]  nvkm_ioctl+0x11d/0x280 [nouveau]
[   88.449252]  nvkm_client_ioctl+0x12/0x20 [nouveau]
[   88.449264]  nvif_client_ioctl+0x2c/0x30 [nouveau]
[   88.449286]  usif_ioctl+0x657/0x760 [nouveau]
[   88.449307]  nouveau_drm_ioctl+0xac/0xc0 [nouveau]
[   88.449309]  do_vfs_ioctl+0xa9/0x640
[   88.449310]  ? handle_mm_fault+0xcb/0x210
[   88.449311]  ksys_ioctl+0x75/0x80
[   88.449312]  __x64_sys_ioctl+0x1a/0x20
[   88.449313]  do_syscall_64+0x57/0x190
[   88.449315]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[   88.449316] RIP: 0033:0x7ff797ec0317
[   88.449317] Code: b3 66 90 48 8b 05 71 4b 2d 00 64 c7 00 26 00 00 00 48
c7 c0 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 b8 10 00 00 00 0f 05
<48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 41 4b 2d 00 f7 d8 64 89 01 48
[   88.449317] RSP: 002b:00007ffe9a44a418 EFLAGS: 00000246 ORIG_RAX:
0000000000000010
[   88.449318] RAX: ffffffffffffffda RBX: 0000000000000038 RCX:
00007ff797ec0317
[   88.449318] RDX: 0000560792f6ea50 RSI: 00000000c0386447 RDI:
0000000000000011
[   88.449319] RBP: 0000560792f6ea50 R08: 0000560792f72a50 R09:
0000560792f64fb0
[   88.449319] R10: 0000560792f72ff0 R11: 0000000000000246 R12:
00000000c0386447
[   88.449320] R13: 0000000000000011 R14: 0000560792f6ea88 R15:
0000000000000000
[   88.449321] ---[ end trace f570983141b4c7ab ]---

On Sat, Jan 16, 2021 at 1:25 AM islam elalani <email address hidden>
wrote:

> ** Changed in: apt (Ubuntu)
>      Assignee: (unassigned) => islam elalani (i.s.l.a.m)
>
> ** Changed in: apt (Ubuntu Focal)
>        Status: Fix Committed => Fix Released
>
> --
> You received this bug notification because you are subscribed to a
> duplicate bug report (1911905).
> https://bugs.launchpad.net/bugs/1871268
>
> Title:
>   Installation fails due to useless immediate configuration error when
>   "Install Third-Party Drivers" is selected
>
> Status in Ubuntu CD Images:
>   Fix Released
> Status in apt package in Ubuntu:
>   Fix Released
> Status in apt source package in Bionic:
>   In Progress
> Status in apt source package in Focal:
>   Fix Released
> Status in apt source package in Groovy:
>   Fix Committed
> Status in apt package in Debian:
>   Unknown
>
> Bug description:
>   [Impact]
>   Installations that really succeeded would then fail because APT could
> not immediately configure a package. Which is a pointless way to fail at
> that point, because everything did work out anyway.
>
>   We have two changes that help address this:
>
>   * The first one stops immediately configuring multi-arch siblings
>   (e.g. libc6:i386 when it's configuring libc6:amd64). This was not
>   necessary, and caused all the libc6:i386 failures here.
>
>   * The second change sort of also supersedes the first one: It just
>   ignores any errors from immediate configuration, relying on the fact
>   that it's checked and rectified at a later point if there are
>   unconfigured packages (which is what made all those failures happen
>   spuriously after having successfully installed everything).
>
>   [Test case]
>   We have one test case in EIPP format in the Debian bug 973305 which was
> only helped by the second change, not the first one. Run
> /usr/lib/apt/planners < eipp.log and check there are no errors.
>
>   TODO: It's unclear if the APT from proposed installed in the live
>   session will fix the installer, needs investigation, but would make a
>   useful test case.
>
>   [Regression potential]
>   It's imaginable that we missed something somewhere and some path that
> checked for a set error doesn't check it anymore, and we report success
> when we hit an error, but it seems unlikely.
>
>   Behavior of --simulate changes. This used to fail before as well, and
>   will now only produce a warning. We don't believe that is a reason of
>   concern.
>
>   [Groovy SRU]
>   The groovy SRU is a sync of the 2.1.11 micro release from Debian
> unstable which also incorporates changes to the documentation: A typo fix,
> replacing focal with groovy in examples, and minor Dutch manual pages
> translation updates.
>
>   We do not have test cases for the documentation changes, and we do not
>   consider there to be a huge regression potential. As long as they
>   build, they should be readable - maybe some words are wrong in the
>   translation, who knows.
>
>   [Original bug report]
>   Test Case
>   1. Install Ubuntu Desktop on hardware with an nVidia card and select to
> install 3rd party drivers
>   2. Proceed with installation
>
>   The following error message is displayed in /var/log/syslog
>   /plugininstall.py: Verifying downloads ...
>   /plugininstall.py: Failed to find package object for
> /cdrom//pool/main/g/gcc-defaults/gcc_9.3.0-1ubuntu2_amd64.deb: "Version:
> '9.3.0-1ubuntu2' not found."
>   /plugininstall.py: Failed to find package object for
> /cdrom//pool/main/libx/libxcrypt/libcrypt-dev_4.4.10-10ubuntu4_amd64.deb:
> "Version: '4.4.10-10ubuntu4' not found."
>   /plugininstall.py: Failed to find package object for
> /cdrom//pool/main/g/gcc-defaults/g++_9.3.0-1ubuntu2_amd64.deb: "Version:
> '9.3.0-1ubuntu2' not found."
>   /plugininstall.py: Failed to find package object for
> /cdrom//pool/main/z/zlib/zlib1g_1.2.11.dfsg-2ubuntu1_i386.deb: "Version:
> '1.2.11.dfsg-2ubuntu1' not found."
>   /plugininstall.py: Failed to find package object for
> /cdrom//pool/main/libx/libxau/libxau6_1.0.9-0ubuntu1_i386.deb: "Version:
> '1.0.9-0ubuntu1' not found."
>   /plugininstall.py: Failed to find package object for
> /cdrom//pool/main/libx/libxdmcp/libxdmcp6_1.1.3-0ubuntu1_i386.deb:
> "Version: '1.1.3-0ubuntu1' not found."
>   /plugininstall.py: Failed to find package object for
> /cdrom//pool/main/libx/libx11/libx11-6_1.6.9-2ubuntu1_i386.deb: "Version:
> '1.6.9-2ubuntu1' not found."
>   /plugininstall.py: Failed to find package object for
> /cdrom//pool/main/libx/libxext/libxext6_1.3.4-0ubuntu1_i386.deb: "Version:
> '1.3.4-0ubuntu1' not found."
>   /plugininstall.py: Failed to find package object for
> /cdrom//pool/main/l/lm-sensors/libsensors5_3.6.0-2ubuntu1_i386.deb:
> "Version: '3.6.0-2ubuntu1' not found."
>   /plugininstall.py: Failed to find package object for
> /cdrom//pool/main/libx/libx11/libx11-xcb1_1.6.9-2ubuntu1_i386.deb:
> "Version: '1.6.9-2ubuntu1' not found."
>   /plugininstall.py: Failed to find package object for
> /cdrom//pool/main/libx/libxdamage/libxdamage1_1.1.5-1_i386.deb: "Version:
> '1.1.5-1' not found."
>   /plugininstall.py: Failed to find package object for
> /cdrom//pool/main/libx/libxfixes/libxfixes3_5.0.3-1_i386.deb: "Version:
> '5.0.3-1' not found."
>   /plugininstall.py: Failed to find package object for
> /cdrom//pool/main/libx/libxxf86vm/libxxf86vm1_1.1.4-1build1_i386.deb:
> "Version: '1.1.4-1build1' not found."
>   /plugininstall.py: Downloads verified successfully
>   ubiquity: Error in function: install
>   /plugininstall.py: Exception during installation:
>   /plugininstall.py: apt_pkg.Error: E:Could not configure 'libc6:i386'. ,
> E:Could not perform immediate configuration on 'libgcc-s1:i386'. Please see
> man 5 apt.conf under APT::Immediate-Configure for details. (2)
>   /plugininstall.py:
>
>   ProblemType: Bug
>   DistroRelease: Ubuntu 20.04
>   Package: ubiquity 20.04.9
>   ProcVersionSignature: Ubuntu 5.4.0-21.25-generic 5.4.27
>   Uname: Linux 5.4.0-21-generic x86_64
>   NonfreeKernelModules: zfs zunicode zavl icp zcommon znvpair
>   ApportVersion: 2.20.11-0ubuntu22
>   Architecture: amd64
>   CasperVersion: 1.442
>   Date: Mon Apr  6 20:17:07 2020
>   InstallCmdLine: file=/cdrom/preseed/xubuntu.seed only-ubiquity
> initrd=/casper/initrd quiet splash ---
>   LiveMediaBuild: Xubuntu 20.04 LTS "Focal Fossa" - Beta amd64 (20200402)
>   ProcEnviron:
>    LANGUAGE=es_EC.UTF-8
>    PATH=(custom, no user)
>    XDG_RUNTIME_DIR=<set>
>    LANG=es_EC.UTF-8
>    LC_NUMERIC=C.UTF-8
>   SourcePackage: ubiquity
>   UpgradeStatus: No upgrade log present (probably fresh install)
>
> To manage notifications about this bug go to:
> https://bugs.launchpad.net/ubuntu-cdimage/+bug/1871268/+subscriptions
>