A: http://en.wikipedia.org/wiki/Top_post Q: Were do I find info about this thing called top-posting? A: Because it messes up the order in which people normally read text. Q: Why is top-posting such a bad thing? A: Top-posting. Q: What is the most annoying thing in e-mail? A: No. Q: Should I include quotations after my reply? http://daringfireball.net/2007/07/on_top On Sat, Jun 25, 2022 at 06:01:22PM +0300, Alex Natalsson wrote: > New kernels freezing after resume only when scaling governor is > "conservative". Yes, I using this because my solar battery produce a > few of electricity. When scaling governor is performance system not > freezing after resume. > However, sometimes I received "Device or resource busy" error after > echo mem > /sys/power/state. > Later I found out what this was related with another bug: > pipewire-media-session is <defunct>, nosound and many processes which > using audio as mplayer, ffplay, alsamixer and etc was not responding > and not terminating even throught kill -9. > The log after alsamixer launch: > [ 103.786358] Internal error: Oops: 96000004 [#1] SMP > [ 103.786509] Modules linked in: snd_seq_dummy snd_hrtimer snd_seq > snd_seq_device bnep nls_utf8 mt7601u mac80211 hci_uart libarc4 joydev > brcmfmac btbcm panfrost bluetooth meson_vdec(C) brcmutil gpu_sched > cfg80211 dwmac_generic videobuf2_dma_contig v4l2_mem2mem > videobuf2_memops videobuf2_v4l2 videobuf2_common drm_shmem_helper > ecdh_generic dwmac_meson8b stmmac_platform dw_hdmi_i2s_audio stmmac > ecc ir_nec_decoder videodev pcs_xpcs rc_khadas phylink ptp > meson_saradc meson_ir rc_core snd_soc_meson_axg_frddr > snd_soc_meson_axg_toddr snd_soc_meson_axg_sound_card > snd_soc_meson_card_utils snd_soc_meson_axg_fifo ao_cec_g12a > snd_soc_meson_axg_tdmin snd_soc_meson_axg_tdm_interface > snd_soc_meson_axg_tdmout snd_soc_meson_axg_tdm_formatter rfkill > meson_gxbb_wdt fuse crypto_user uas usb_storage adc_keys > gpio_keys_polled industrialio > [ 103.857778] CPU: 3 PID: 530 Comm: pipewire-media- Tainted: G > C 5.16.0-ARCH+ #8 But this is 5.16.0, the commit you pointed to is in 5.17. > [ 103.857791] Hardware name: Khadas VIM3 (DT) > [ 103.857795] pstate: 60000005 (nZCv daif -PAN -UAO -TCO -DIT -SSBS BTYPE=--) > [ 103.857801] pc : dpcm_be_connect+0xd0/0x2d0 > [ 103.881758] lr : dpcm_add_paths.isra.0+0xcc/0x1e0 > [ 103.881763] sp : ffff800009f4b870 > [ 103.881765] x29: ffff800009f4b870 x28: ffff000003b944c0 x27: 0000000000000001 > [ 103.881772] x26: 0000000000000001 x25: 0000000000000340 x24: 00000000000002a0 > [ 103.881777] x23: 0000000000000001 x22: 0000000000000000 x21: ffff000005b18080 > [ 103.881782] x20: ffff000005b183c0 x19: ffff000005b1c080 x18: 0000000000000000 > [ 103.881787] x17: 0000000000000000 x16: 0000000000000000 x15: 0000000000000000 > [ 103.881792] x14: 0000000000000000 x13: 0000000000000000 x12: 0000000000000000 > [ 103.881797] x11: 0000000000000000 x10: 0000000000000000 x9 : 0000000000000000 > [ 103.881801] x8 : ffff000012020400 x7 : 0000000000000000 x6 : 000000000000003f > [ 103.881806] x5 : 0000000000000040 x4 : 0000000000000000 x3 : ffff000002822000 > [ 103.881811] x2 : ffff000002861b50 x1 : ffff00000282f800 x0 : ffff000002861800 > [ 103.881817] Call trace: > [ 103.881819] dpcm_be_connect+0xd0/0x2d0 > [ 103.881823] dpcm_add_paths.isra.0+0xcc/0x1e0 > [ 103.881826] dpcm_fe_dai_open+0x80/0x194 > [ 103.881831] snd_pcm_open_substream+0xa4/0x174 > [ 103.881838] snd_pcm_open.part.0+0xd8/0x1dc > [ 103.881843] snd_pcm_capture_open+0x64/0x94 > [ 103.992730] snd_open+0xac/0x1d0 > [ 103.992739] chrdev_open+0xe0/0x2d0 > [ 103.999389] do_dentry_open+0x12c/0x3a0 > [ 103.999397] vfs_open+0x30/0x3c > [ 103.999401] do_open+0x204/0x414 > [ 103.999405] path_openat+0x10c/0x27c > [ 103.999408] do_filp_open+0x80/0x130 > [ 103.999412] do_sys_openat2+0xb4/0x170 > [ 103.999414] __arm64_sys_openat+0x64/0xb0 > [ 103.999416] invoke_syscall+0x48/0x114 > [ 103.999426] el0_svc_common.constprop.0+0xd4/0xfc > [ 103.999429] do_el0_svc+0x28/0x90 > [ 103.999432] el0_svc+0x28/0x80 > [ 103.999440] el0t_64_sync_handler+0xa4/0x130 > [ 103.999442] el0t_64_sync+0x1a0/0x1a4 > [ 103.999451] Code: 8b000020 f9406841 f9406816 f9400020 (f94002c1) > [ 103.999457] ---[ end trace e01b673b8147057d ]--- > > > After I removed pipewire software "Device or resource busy" error was > disappear. But the sound and media still doesn't working and alsamixer > cannot change sound card to my usb audio device after commit > bbf7d3b1c4f40eb02dd1dffb500ba00b0bff0303. Can you send the info to the sound mailing list and cc the developers of that commit with your information? That commit looks odd to be causing problems. thanks, greg k-h
