On 19.02.21 19:40, Dennis Filder wrote: > Control: tag -1 + moreinfo bullseye sid > > If you cannot switch to console with Ctrl-Alt-F2 then this is a strong > indicator that the bug is in the kernel, probably nouveau. > > If you can reproduce this reliably it would help a lot if you could > provide the output of these commands after the bug has happened: > > dmesg > strace -f -p $(pidof ksplashqml) 2>&1 | dd bs=1k count=20 > journalctl -ab > > You may have to run some of them as root. >
dmesg shows a crash in the nouveau driver: [ 441.529012] ------------[ cut here ]------------ [ 441.529076] WARNING: CPU: 1 PID: 1964 at drivers/gpu/drm/nouveau/nvif/vmm.c:68 nvif_vmm_put+0x84/0x9c [nouveau] [ 441.529078] Modules linked in: xt_conntrack nft_chain_nat xt_MASQUERADE nf_nat nf_conntrack_netlink nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 xfrm_user xfrm_algo nft_counter xt_addrtype nft_compat nf_tables nfnetlink br_netfilter bridge stp llc rfkill overlay nls_ascii nls_cp437 vfat fat snd_hda_codec_hdmi aes_ce_blk crypto_simd snd_hda_intel cryptd snd_intel_dspcfg aes_ce_cipher snd_hda_codec ghash_ce gf128mul libaes sha2_ce snd_hda_core snd_hwdep snd_pcm sha256_arm64 sha1_ce snd_timer evdev snd soundcore sg efi_pstore omap_rng rng_core sbsa_gwdt armada_thermal fuse configfs efivarfs ip_tables x_tables autofs4 ext4 crc16 mbcache jbd2 btrfs blake2b_generic raid10 raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor xor_neon raid6_pq libcrc32c crc32c_generic raid1 raid0 multipath linear md_mod hid_generic usbhid hid sd_mod t10_pi crc_t10dif crct10dif_generic nouveau i2c_mux_pca954x i2c_mux ahci_platform libahci_platform libahci marvell10g libata crct10dif_ce [ 441.529194] crct10dif_common scsi_mod i2c_algo_bit ttm xhci_plat_hcd drm_kms_helper marvell xhci_hcd drm mvpp2 usbcore i2c_mv64xxx mvmdio mdio_devres sfp mdio_i2c phylink of_mdio phy_generic fixed_phy libphy sdhci_xenon_driver sdhci_pltfm usb_common phy_mvebu_cp110_comphy fixed sdhci [ 441.529236] CPU: 1 PID: 1964 Comm: kworker/1:0 Not tainted 5.10.0-3-arm64 #1 Debian 5.10.13-1 [ 441.529238] Hardware name: SolidRun Armada 8040 MacchiatoBin/Armada 8040 MacchiatoBin, BIOS EDK II Mar 26 2020 [ 441.529284] Workqueue: events nouveau_cli_work [nouveau] [ 441.529289] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) [ 441.529332] pc : nvif_vmm_put+0x84/0x9c [nouveau] [ 441.529375] lr : nvif_vmm_put+0x78/0x9c [nouveau] [ 441.529376] sp : ffff8000119cbc80 [ 441.529378] x29: ffff8000119cbc80 x28: 0000000000000000· [ 441.529383] x27: ffff386ac5329f28 x26: 0000000000000001· [ 441.529387] x25: dead000000000100 x24: dead000000000122· [ 441.529391] x23: ffff386ac5329f18 x22: ffff386ac5077300· [ 441.529395] x21: ffff386ac5329f08 x20: ffff386ac2b00080· [ 441.529398] x19: ffff8000119cbce8 x18: 0000000000000000· [ 441.529402] x17: 0000000000000000 x16: ffffbbff1d518580· [ 441.529406] x15: 0000000000000000 x14: 0000000000000000· [ 441.529410] x13: 0000000000000000 x12: 0000000000000040· [ 441.529414] x11: ffffbbff1dcf5ec0 x10: 0000000000000ad0· [ 441.529417] x9 : ffffbbfea5a3d3f0 x8 : fefefefefefefeff· [ 441.529421] x7 : 8800000000880000 x6 : ffff8000119cbcb8· [ 441.529425] x5 : 0000000000000000 x4 : 0000000000000008· [ 441.529429] x3 : 00000000048a0000 x2 : 0000000000000000· [ 441.529433] x1 : 0000000000000000 x0 : 00000000fffffffe· [ 441.529437] Call trace: [ 441.529480] nvif_vmm_put+0x84/0x9c [nouveau] [ 441.529523] nouveau_vma_del+0x9c/0xe0 [nouveau] [ 441.529565] nouveau_gem_object_delete_work+0x48/0x80 [nouveau] [ 441.529607] nouveau_cli_work+0xe8/0x180 [nouveau] [ 441.529616] process_one_work+0x1d4/0x490 [ 441.529619] worker_thread+0x188/0x504 [ 441.529622] kthread+0x130/0x134 [ 441.529625] ret_from_fork+0x10/0x38 [ 441.529628] ---[ end trace 28675099a596659e ]--- :set nonumber Best regards Heinrich
