[OE-core] [PATCH 04/10] qemux86: drop resolution setting via uvesafb

Martin Jansa martin.jansa at gmail.com
Sun Feb 16 16:01:35 UTC 2020


Why you think it doesn't support higher resolution? We were using it with
fullHD in VirtualBox until recently.

On Sun, Feb 16, 2020 at 4:52 PM Alexander Kanavin <alex.kanavin at gmail.com>
wrote:

> I am not sure if this has ever worked, but uvesafb is a really
> outdated (VBE from the 1990s), awkward (needs v86d) and limited
> (no support for high resolutions) way to do it.
>
> The specific reason 640x480-32 was introduced (ages ago) was
> to force 32 bit mode with vmware driver, as 16bit had rendering issues.
>
> The modern, supported option is video=... kernel parameter documented here:
>
> https://wiki.archlinux.org/index.php/kernel_mode_setting#Forcing_modes_and_EDID
> https://github.com/torvalds/linux/blob/master/Documentation/fb/modedb.rst
> which can be passed directly to runqemu and doesn't require special
> kernel modules.
>
> Sato under X will continue to use 640x480 as that is hardcoded into
> xorg.conf under qemu.
>
> Signed-off-by: Alexander Kanavin <alex.kanavin at gmail.com>
> ---
>  meta/conf/machine/include/qemuboot-x86.inc | 3 +--
>  meta/conf/machine/qemux86-64.conf          | 4 ----
>  meta/conf/machine/qemux86.conf             | 4 ----
>  meta/lib/oeqa/runtime/cases/parselogs.py   | 4 ----
>  4 files changed, 1 insertion(+), 14 deletions(-)
>
> diff --git a/meta/conf/machine/include/qemuboot-x86.inc
> b/meta/conf/machine/include/qemuboot-x86.inc
> index 049681b27d..5dcc8b6f6b 100644
> --- a/meta/conf/machine/include/qemuboot-x86.inc
> +++ b/meta/conf/machine/include/qemuboot-x86.inc
> @@ -8,9 +8,8 @@ QB_CPU_KVM_x86-64 = "-cpu core2duo"
>
>  QB_AUDIO_DRV = "alsa"
>  QB_AUDIO_OPT = "-soundhw ac97,es1370"
> -QB_KERNEL_CMDLINE_APPEND = "uvesafb.mode_option=${UVESA_MODE}
> oprofile.timer=1 uvesafb.task_timeout=-1"
> +QB_KERNEL_CMDLINE_APPEND = "oprofile.timer=1"
>  QB_OPT_APPEND = "-show-cursor -usb -device usb-tablet"
>  # Add the 'virtio-rng-pci' device otherwise the guest may run out of
> entropy
>  QB_OPT_APPEND += "-object rng-random,filename=/dev/urandom,id=rng0
> -device virtio-rng-pci,rng=rng0"
>
> -UVESA_MODE ?= "640x480-32"
> diff --git a/meta/conf/machine/qemux86-64.conf
> b/meta/conf/machine/qemux86-64.conf
> index 648cf2fe8f..db9004ee32 100644
> --- a/meta/conf/machine/qemux86-64.conf
> +++ b/meta/conf/machine/qemux86-64.conf
> @@ -37,10 +37,6 @@ MACHINE_ESSENTIAL_EXTRA_RDEPENDS += "v86d"
>
>  MACHINE_EXTRA_RRECOMMENDS = "kernel-module-snd-ens1370
> kernel-module-snd-rawmidi"
>
> -KERNEL_MODULE_AUTOLOAD += "uvesafb"
> -KERNEL_MODULE_PROBECONF += "uvesafb"
> -module_conf_uvesafb = "options uvesafb mode_option=${UVESA_MODE}"
> -
>  WKS_FILE ?= "qemux86-directdisk.wks"
>  do_image_wic[depends] += "syslinux:do_populate_sysroot
> syslinux-native:do_populate_sysroot mtools-native:do_populate_sysroot
> dosfstools-native:do_populate_sysroot"
>
> diff --git a/meta/conf/machine/qemux86.conf
> b/meta/conf/machine/qemux86.conf
> index 8e0da82076..7e6723b880 100644
> --- a/meta/conf/machine/qemux86.conf
> +++ b/meta/conf/machine/qemux86.conf
> @@ -34,10 +34,6 @@ MACHINE_ESSENTIAL_EXTRA_RDEPENDS += "v86d"
>
>  MACHINE_EXTRA_RRECOMMENDS = "kernel-module-snd-ens1370
> kernel-module-snd-rawmidi"
>
> -KERNEL_MODULE_AUTOLOAD += "uvesafb"
> -KERNEL_MODULE_PROBECONF += "uvesafb"
> -module_conf_uvesafb = "options uvesafb mode_option=${UVESA_MODE}"
> -
>  WKS_FILE ?= "qemux86-directdisk.wks"
>  do_image_wic[depends] += "syslinux:do_populate_sysroot
> syslinux-native:do_populate_sysroot mtools-native:do_populate_sysroot
> dosfstools-native:do_populate_sysroot"
>
> diff --git a/meta/lib/oeqa/runtime/cases/parselogs.py
> b/meta/lib/oeqa/runtime/cases/parselogs.py
> index 9dafb89b03..3cad0709a1 100644
> --- a/meta/lib/oeqa/runtime/cases/parselogs.py
> +++ b/meta/lib/oeqa/runtime/cases/parselogs.py
> @@ -60,7 +60,6 @@ common_errors = [
>      ]
>
>  video_related = [
> -    "uvesafb",
>  ]
>
>  x86_common = [
> @@ -82,11 +81,8 @@ qemux86_common = [
>      "fail to add MMCONFIG information, can't access extended PCI
> configuration space under this bridge.",
>      "can't claim BAR ",
>      'amd_nb: Cannot enumerate AMD northbridges',
> -    'uvesafb: 5000 ms task timeout, infinitely waiting',
>      'tsc: HPET/PMTIMER calibration failed',
>      "modeset(0): Failed to initialize the DRI2 extension",
> -    "uvesafb: cannot reserve video memory at",
> -    "uvesafb: probe of uvesafb.0 failed with error",
>      "glamor initialization failed",
>  ] + common_errors
>
> --
> 2.25.0
>
> --
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