Hi, While testing 6.7-rc3 on Qubes OS I found several warning like in the subject in dom0 log. I see them when running 6.7-rc1 too. I'm not sure what exactly triggers the issue, but my guess would be unbinding an event channel from userspace (closing vchan connection).
Specific message: [ 83.973377] ------------[ cut here ]------------ [ 83.975523] Interrupt for port 77, but apparently not enabled; per-user 00000000a0e9f1d1 [ 83.979083] WARNING: CPU: 1 PID: 2432 at drivers/xen/evtchn.c:167 evtchn_interrupt+0xb6/0xc0 [xen_evtchn] [ 83.982869] Modules linked in: joydev intel_rapl_msr intel_rapl_common snd_hda_codec_generic ledtrig_audio snd_hda_intel snd_intel_dspcfg snd_intel_sdw_acpi ppdev snd_hda_codec snd_hda_core snd_hwdep snd_seq snd_seq_device snd_pcm parport_pc parport pcspkr snd_timer snd e1000e i2c_piix4 soundcore fuse loop xenfs dm_thin_pool dm_persistent_data dm_bio_prison crct10dif_pclmul crc32_pclmul crc32c_intel polyval_clmulni polyval_generic ghash_clmulni_intel sha512_ssse3 sha256_ssse3 sha1_ssse3 virtio_scsi bochs serio_raw drm_vram_helper xhci_pci xhci_pci_renesas floppy drm_ttm_helper xhci_hcd ttm ata_generic pata_acpi qemu_fw_cfg virtio_console xen_privcmd xen_pciback xen_blkback xen_gntalloc xen_gntdev xen_evtchn scsi_dh_rdac scsi_dh_emc scsi_dh_alua uinput dm_multipath [ 84.019753] CPU: 1 PID: 2432 Comm: qrexec-client Not tainted 6.7.0-0.rc3.1.qubes.1.fc37.x86_64 #1 [ 84.027045] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.2-3-gd478f380-rebuilt.opensuse.org 04/01/2014 [ 84.033828] RIP: e030:evtchn_interrupt+0xb6/0xc0 [xen_evtchn] [ 84.037814] Code: ba 01 00 00 00 be 1d 00 00 00 48 8d bb 88 00 00 00 e8 ce 93 27 c1 eb b4 8b 76 20 48 89 da 48 c7 c7 70 52 21 c0 e8 0a 5c f0 c0 <0f> 0b e9 61 ff ff ff 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 [ 84.048932] RSP: e02b:ffffc90041e7fd60 EFLAGS: 00010082 [ 84.051252] RAX: 0000000000000000 RBX: ffff888104fc9a80 RCX: 0000000000000027 [ 84.054569] RDX: ffff88813ff21608 RSI: 0000000000000001 RDI: ffff88813ff21600 [ 84.057606] RBP: ffff88810522a280 R08: 0000000000000000 R09: ffffc90041e7fbf8 [ 84.060864] R10: 0000000000000003 R11: ffffffff82f460c8 R12: ffff888105d5b6a4 [ 84.064043] R13: ffff888105d5b760 R14: ffff88810522a280 R15: ffff888105d5b600 [ 84.066598] FS: 000075ee3eb8ed40(0000) GS:ffff88813ff00000(0000) knlGS:0000000000000000 [ 84.069251] CS: 10000e030 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 84.071293] CR2: 00007b86fa0f0f5c CR3: 0000000106e18000 CR4: 0000000000040660 [ 84.073911] Call Trace: [ 84.074746] <TASK> [ 84.075471] ? evtchn_interrupt+0xb6/0xc0 [xen_evtchn] [ 84.077448] ? __warn+0x81/0x130 [ 84.078671] ? evtchn_interrupt+0xb6/0xc0 [xen_evtchn] [ 84.080507] ? report_bug+0x171/0x1a0 [ 84.081830] ? prb_read_valid+0x1b/0x30 [ 84.083682] ? handle_bug+0x41/0x70 [ 84.084952] ? exc_invalid_op+0x17/0x70 [ 84.086314] ? asm_exc_invalid_op+0x1a/0x20 [ 84.088520] ? evtchn_interrupt+0xb6/0xc0 [xen_evtchn] [ 84.090300] __free_irq+0x114/0x2b0 [ 84.091478] free_irq+0x32/0x70 [ 84.092522] unbind_from_irqhandler+0x31/0xb0 [ 84.094035] evtchn_release+0x2b/0xa0 [xen_evtchn] [ 84.095643] __fput+0x9a/0x2c0 [ 84.096734] __x64_sys_close+0x3d/0x80 [ 84.097995] do_syscall_64+0x63/0xe0 [ 84.099188] ? __vm_munmap+0xbb/0x150 [ 84.100431] ? syscall_exit_work+0x103/0x130 [ 84.101854] ? syscall_exit_to_user_mode+0x2b/0x40 [ 84.103509] ? do_syscall_64+0x6f/0xe0 [ 84.104757] ? syscall_exit_to_user_mode+0x2b/0x40 [ 84.106350] ? do_syscall_64+0x6f/0xe0 [ 84.107587] ? exit_to_user_mode_prepare+0xbc/0xd0 [ 84.109180] entry_SYSCALL_64_after_hwframe+0x6e/0x76 [ 84.110863] RIP: 0033:0x75ee3ed15a0a [ 84.111999] Code: 00 00 0f 05 48 3d 00 f0 ff ff 77 44 c3 0f 1f 00 48 83 ec 18 89 7c 24 0c e8 33 bc f8 ff 8b 7c 24 0c 89 c2 b8 03 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 36 89 d7 89 44 24 0c e8 93 bc f8 ff 8b 44 24 [ 84.118267] RSP: 002b:00007ffff0ad0f70 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 [ 84.120756] RAX: ffffffffffffffda RBX: 000055d3d8f70970 RCX: 000075ee3ed15a0a [ 84.123675] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000000000000000f [ 84.126012] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 84.128366] R10: 000075ee3ec31468 R11: 0000000000000293 R12: 0000000000000000 [ 84.130699] R13: 0000000000000000 R14: 00007ffff0ad2eaa R15: 000055d3d8f6f2a0 [ 84.133050] </TASK> [ 84.133810] ---[ end trace 0000000000000000 ]--- Full log: https://openqa.qubes-os.org/tests/86647/logfile?filename=serial0.txt -- Best Regards, Marek Marczykowski-Górecki Invisible Things Lab
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