lichtmetzger

lichtmetzger, 3 months ago

An example of what I see when I run dmesg when Wayland is active:

<span style="color:#323232;">[   18.181604] [drm] [nvidia-drm] [GPU ID 0x00008100] Failed to ioremap_wc NvKmsKapiMemory 0x00000000c73546fd
</span><span style="color:#323232;">[   18.181622] ------------[ cut here ]------------
</span><span style="color:#323232;">[   18.181623] WARNING: CPU: 1 PID: 1902 at drivers/dma-buf/dma-buf.c:1526 dma_buf_vmap+0xf0/0x100
</span><span style="color:#323232;">[   18.181626] Modules linked in: nvidia_drm(POE) nvidia_modeset(POE) nf_conntrack_netbios_ns nf_conntrack_broadcast nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib nft_reject_inet nf_reject_ipv4 nf_reject_ipv6 nft_reject nvidia_uvm(POE) nft_ct nft_chain_nat nf_nat nf_conntrack nvidia(POE) nf_defrag_ipv6 nf_defrag_ipv4 ip_set nf_tables nfnetlink qrtr bnep sunrpc intel_rapl_msr intel_rapl_common sb_edac x86_pkg_temp_thermal intel_powerclamp coretemp iwlmvm kvm_intel snd_seq_midi snd_seq_midi_event mac80211 kvm snd_hda_codec_hdmi libarc4 snd_usb_audio snd_hda_intel irqbypass snd_intel_dspcfg snd_intel_sdw_acpi snd_hda_codec vfat snd_usbmidi_lib rapl snd_ump fat snd_hda_core iwlwifi snd_rawmidi mc snd_hwdep btusb snd_seq btrtl snd_seq_device btintel iTCO_wdt btbcm intel_cstate btmtk intel_pmc_bxt snd_pcm ipmi_ssif iTCO_vendor_support cfg80211 snd_timer bluetooth intel_uncore snd mei_me pcspkr video soundcore mei lpc_ich i2c_i801 i2c_smbus ioatdma rfkill acpi_ipmi ipmi_si ipmi_devintf ipmi_msghandler acpi_power_meter acpi_pad
</span><span style="color:#323232;">[   18.181662]  joydev loop zram crct10dif_pclmul crc32_pclmul crc32c_intel polyval_clmulni polyval_generic mxm_wmi ixgbe ghash_clmulni_intel nvme sha512_ssse3 ast sha256_ssse3 sha1_ssse3 nvme_core i2c_algo_bit mdio dca nvme_common wmi fuse
</span><span style="color:#323232;">[   18.181672] CPU: 1 PID: 1902 Comm: kwin_wayland Tainted: P S      W  OE      6.6.13-200.fc39.x86_64 #1
</span><span style="color:#323232;">[   18.181674] Hardware name: Supermicro X10DRi/X10DRI-T, BIOS 3.4a 08/16/2021
</span><span style="color:#323232;">[   18.181675] RIP: 0010:dma_buf_vmap+0xf0/0x100
</span><span style="color:#323232;">[   18.181677] Code: c0 01 89 43 28 48 85 c9 74 1c 48 8b 43 30 48 8b 53 38 49 89 04 24 49 89 54 24 08 eb c3 0f 0b b8 ea ff ff ff eb bc 0f 0b 0f 0b <0f> 0b eb b4 b8 ea ff ff ff eb ad e8 10 36 4b 00 90 90 90 90 90 90
</span><span style="color:#323232;">[   18.181678] RSP: 0018:ffffc9000835fae8 EFLAGS: 00010282
</span><span style="color:#323232;">[   18.181680] RAX: 00000000fffffff4 RBX: ffff88812076dc00 RCX: 0000000000000027
</span><span style="color:#323232;">[   18.181681] RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffff88885f861580
</span><span style="color:#323232;">[   18.181682] RBP: ffffc9000835fb10 R08: 0000000000000000 R09: ffffc9000835f938
</span><span style="color:#323232;">[   18.181683] R10: 0000000000000003 R11: ffff88907ff42c28 R12: ffff88810e7c9898
</span><span style="color:#323232;">[   18.181684] R13: ffff88810e7c9898 R14: ffff88810e7c9898 R15: 0000000000000000
</span><span style="color:#323232;">[   18.181685] FS:  00007fb77685aec0(0000) GS:ffff88885f840000(0000) knlGS:0000000000000000
</span><span style="color:#323232;">[   18.181687] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
</span><span style="color:#323232;">[   18.181688] CR2: 0000563fd8fb62d8 CR3: 0000000120dbe004 CR4: 00000000001706e0
</span><span style="color:#323232;">[   18.181689] Call Trace:
</span><span style="color:#323232;">[   18.181690]  <TASK>
</span><span style="color:#323232;">[   18.181691]  ? dma_buf_vmap+0xf0/0x100
</span><span style="color:#323232;">[   18.181693]  ? __warn+0x81/0x130
</span><span style="color:#323232;">[   18.181695]  ? dma_buf_vmap+0xf0/0x100
</span><span style="color:#323232;">[   18.181697]  ? report_bug+0x171/0x1a0
</span><span style="color:#323232;">[   18.181700]  ? handle_bug+0x3c/0x80
</span><span style="color:#323232;">[   18.181702]  ? exc_invalid_op+0x17/0x70
</span><span style="color:#323232;">[   18.181704]  ? asm_exc_invalid_op+0x1a/0x20
</span><span style="color:#323232;">[   18.181708]  ? dma_buf_vmap+0xf0/0x100
</span><span style="color:#323232;">[   18.181710]  ? dma_buf_vmap+0x81/0x100
</span><span style="color:#323232;">[   18.181712]  drm_gem_shmem_vmap+0x2b/0x1b0
</span><span style="color:#323232;">[   18.181715]  ? dma_resv_get_singleton+0x46/0x140
</span><span style="color:#323232;">[   18.181717]  drm_gem_vmap+0x22/0x50
</span><span style="color:#323232;">[   18.181720]  drm_gem_vmap_unlocked+0x2a/0x50
</span><span style="color:#323232;">[   18.181722]  drm_gem_fb_vmap+0x41/0x120
</span><span style="color:#323232;">[   18.181725]  drm_atomic_helper_prepare_planes+0x17a/0x210
</span><span style="color:#323232;">[   18.181727]  drm_atomic_helper_commit+0x78/0x140
</span><span style="color:#323232;">[   18.181729]  drm_mode_atomic_ioctl+0xa57/0xc70
</span><span style="color:#323232;">[   18.181733]  ? __pfx_drm_mode_atomic_ioctl+0x10/0x10
</span><span style="color:#323232;">[   18.181735]  drm_ioctl_kernel+0xd6/0x180
</span><span style="color:#323232;">[   18.181737]  drm_ioctl+0x26d/0x4b0
</span><span style="color:#323232;">[   18.181738]  ? __pfx_drm_mode_atomic_ioctl+0x10/0x10
</span><span style="color:#323232;">[   18.181742]  __x64_sys_ioctl+0x97/0xd0
</span><span style="color:#323232;">[   18.181745]  do_syscall_64+0x60/0x90
</span><span style="color:#323232;">[   18.181748]  ? __x64_sys_ioctl+0xaf/0xd0
</span><span style="color:#323232;">[   18.181750]  ? syscall_exit_to_user_mode+0x2b/0x40
</span><span style="color:#323232;">[   18.181752]  ? do_syscall_64+0x6c/0x90
</span><span style="color:#323232;">[   18.181754]  ? syscall_exit_to_user_mode+0x2b/0x40
</span><span style="color:#323232;">[   18.181756]  ? do_syscall_64+0x6c/0x90
</span><span style="color:#323232;">[   18.181758]  ? syscall_exit_to_user_mode+0x2b/0x40
</span><span style="color:#323232;">[   18.181760]  ? do_syscall_64+0x6c/0x90
</span><span style="color:#323232;">[   18.181762]  ? syscall_exit_to_user_mode+0x2b/0x40
</span><span style="color:#323232;">[   18.181764]  ? do_syscall_64+0x6c/0x90
</span><span style="color:#323232;">[   18.181766]  ? do_syscall_64+0x6c/0x90
</span><span style="color:#323232;">[   18.181769]  entry_SYSCALL_64_after_hwframe+0x6e/0xd8
</span><span style="color:#323232;">[   18.181771] RIP: 0033:0x7fb77b52f17d
</span><span style="color:#323232;">[   18.181775] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
</span><span style="color:#323232;">[   18.181776] RSP: 002b:00007ffd48b3ca20 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
</span><span style="color:#323232;">[   18.181778] RAX: ffffffffffffffda RBX: 0000563fd9356ac0 RCX: 00007fb77b52f17d
</span><span style="color:#323232;">[   18.181779] RDX: 00007ffd48b3cac0 RSI: 00000000c03864bc RDI: 0000000000000014
</span><span style="color:#323232;">[   18.181779] RBP: 00007ffd48b3ca70 R08: 0000000000000007 R09: 0000000000000002
</span><span style="color:#323232;">[   18.181780] R10: 0000000000000002 R11: 0000000000000246 R12: 00007ffd48b3cac0
</span><span style="color:#323232;">[   18.181781] R13: 00000000c03864bc R14: 0000000000000014 R15: 0000563fd92bee30
</span><span style="color:#323232;">[   18.181783]  </TASK>
</span><span style="color:#323232;">[   18.181784] ---[ end trace 0000000000000000 ]---
</span><span style="color:#323232;">
</span>

lichtmetzger, 3 months ago

Good to see I’m not alone with this. I have multiple monitors with various resolutions (4K, 2K and an old 1600x1200 VGA screen) and I like the fractional scaling methods Wayland has. It makes it really easy to combine all of these screens into one useable area.

Fractional scaling on X11 can be enabled but it’s such a massive performance hit, that it doesn’t make any fun or sense to use it.

On my UHD 620, Wayland is rock-solid. Everything just works, it never crashes, I don’t have any glitches and the performance is great. On Nvidia, when it’s not just crashing it still feels laggy. Even moving around windows seem to be a struggle for the system and it’s so sad to see that.

Hopefully this will improve in the near future.

lichtmetzger, 3 months ago

I tried upgrading to the 550 beta driver now and it just segfaults in libnvidia-glcore.so when I try to run anything Wayland-related. Can’t even get to sddm with it anymore and have to start KDE from a TTY. Of course, xorg still works fine.

lichtmetzger, 3 months ago

Wie kommt es, dass einige denken man müsste nur die Uhr zurückdrehen und dann wäre alles so wie früher, nur besser?

Viele Menschen bevorzugen einfache Lösungen auf komplexe Fragen, auch wenn diese nicht funktionieren können, wenn man mal genauer darüber nachdenkt.

lichtmetzger, 3 months ago

Yeah unfortunately that Custom ROM scene is dying out

I feel like recent Android has gotten good enough for me that I don’t really need custom ROMs anymore. As long as I can still root the stock ROM and install AdAway, I’m fine.

lichtmetzger, 3 months ago

The S8 is pretty nice, but only the Exynos variant. I hated the glass back, though. Shattered mine two times, one time the phone just fell 30 centimeters out of bed. Gorilla Glass only in the front was a deliberate decision by these bastards.

lichtmetzger, 3 months ago

It’s the good one. As far as I know, Exynos phones are much faster than the Snapdragon variants. Custom ROMs like LineageOS are only available for Exynos phones, so those are the only ones still getting updates.

lichtmetzger, 3 months ago

I used an Exynos S8 up to December of last year and it’s still blazingly fast. And the consensus on xdaforums seems to be that the Qualcomm variant from the US is terrible. :) Weird, but maybe I’m wrong and I just got used to a slow device. I mean, I had a Sony Xperia XA2 before and that thing was so slow, everything else felt like The Flash. :D