Hello, I'm running 4.15.0-30-generic (Ubuntu 18.04.1 LTS), so it shoud be ok, but i still have the error :/ I really don't know what's the problem... here is my dmesg extract : [ 144.142205] usb 2-2: New USB device strings: Mfr=1, Product=2, SerialNumber=0 [ 144.142209] usb 2-2: Product: ACR122U PICC Interface [ 144.142213] usb 2-2: Manufacturer: ACS [ 144.170655] nfc: nfc_init: NFC Core ver 0.1 [ 144.170689] NET: Registered protocol family 39 [ 144.174132] ------------[ cut here ]------------ [ 144.174133] transfer buffer not dma capable [ 144.174147] WARNING: CPU: 3 PID: 2344 at /build/linux-I4R9hO/linux-4.15.0/drivers/usb/core/hcd.c:1584 usb_hcd_map_urb_for_dma+0x3e6/0x5b0 [ 144.174148] Modules linked in: pn533_usb(+) pn533 nfc rfcomm vmw_vsock_vmci_transport vsock vmw_vmci ccm bnep intel_rapl x86_pkg_temp_thermal intel_powerclamp coretemp arc4 kvm_intel kvm snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic iwlmvm irqbypass intel_cstate intel_rapl_perf snd_hda_intel mac80211 snd_hda_codec snd_hda_core snd_hwdep uvcvideo videobuf2_vmalloc videobuf2_memops input_leds videobuf2_v4l2 joydev iwlwifi videobuf2_core snd_seq_midi wmi_bmof serio_raw btusb btrtl btbcm snd_seq_midi_event videodev btintel snd_pcm intel_pch_thermal snd_rawmidi rtsx_pci_ms bluetooth media cfg80211 memstick lpc_ich shpchp ecdh_generic snd_seq thinkpad_acpi snd_seq_device snd_timer nvram snd mei_me soundcore mei mac_hid sch_fq_codel parport_pc ppdev lp parport ip_tables x_tables autofs4 [ 144.174184] algif_skcipher af_alg dm_crypt hid_generic usbhid hid crct10dif_pclmul crc32_pclmul i915 ghash_clmulni_intel pcbc aesni_intel i2c_algo_bit rtsx_pci_sdmmc aes_x86_64 drm_kms_helper crypto_simd glue_helper syscopyarea cryptd sysfillrect sysimgblt e1000e psmouse fb_sys_fops ptp drm pps_core ahci libahci rtsx_pci wmi video [ 144.174200] CPU: 3 PID: 2344 Comm: systemd-udevd Not tainted 4.15.0-30-generic #32-Ubuntu [ 144.174201] Hardware name: LENOVO 20CJS21302/20CJS21302, BIOS N11ET34W (1.10 ) 08/20/2015 [ 144.174206] RIP: 0010:usb_hcd_map_urb_for_dma+0x3e6/0x5b0 [ 144.174207] RSP: 0018:ffffa933c3513918 EFLAGS: 00010286 [ 144.174208] RAX: 0000000000000000 RBX: ffff937ce5573000 RCX: 0000000000000006 [ 144.174209] RDX: 0000000000000007 RSI: 0000000000000096 RDI: ffff937d6dcd6490 [ 144.174210] RBP: ffffa933c3513938 R08: 0000000000000001 R09: 000000000000035a [ 144.174211] R10: 0000000000000140 R11: 0000000000000000 R12: ffff937d501d8000 [ 144.174212] R13: 00000000fffffff5 R14: 00000000014000c0 R15: ffff937ce5573000 [ 144.174214] FS: 00007f8817400680(0000) GS:ffff937d6dcc0000(0000) knlGS:0000000000000000 [ 144.174215] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 144.174216] CR2: 000055c25807c680 CR3: 000000040b052003 CR4: 00000000003606e0 [ 144.174217] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 144.174218] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 144.174218] Call Trace: [ 144.174223] usb_hcd_submit_urb+0x4c3/0xb90 [ 144.174226] ? radix_tree_iter_tag_clear+0x1c/0x20 [ 144.174228] ? idr_alloc_cmn+0x97/0xd0 [ 144.174230] ? idr_alloc_cyclic+0x57/0xe0 [ 144.174232] usb_submit_urb+0x3d1/0x5b0 [ 144.174235] pn533_usb_probe+0x3a3/0x4d2 [pn533_usb] [ 144.174238] usb_probe_interface+0x129/0x300 [ 144.174240] driver_probe_device+0x31e/0x490 [ 144.174243] __driver_attach+0xa7/0xf0 [ 144.174244] ? driver_probe_device+0x490/0x490 [ 144.174246] bus_for_each_dev+0x70/0xc0 [ 144.174248] driver_attach+0x1e/0x20 [ 144.174249] bus_add_driver+0x1c7/0x270 [ 144.174251] driver_register+0x60/0xe0 [ 144.174254] usb_register_driver+0x81/0x150 [ 144.174255] ? 0xffffffffc0e62000 [ 144.174258] pn533_usb_driver_init+0x23/0x1000 [pn533_usb] [ 144.174260] do_one_initcall+0x52/0x19f [ 144.174263] ? _cond_resched+0x19/0x40 [ 144.174265] ? kmem_cache_alloc_trace+0xa6/0x1b0 [ 144.174268] ? do_init_module+0x27/0x209 [ 144.174270] do_init_module+0x5f/0x209 [ 144.174272] load_module+0x191e/0x1f10 [ 144.174275] ? ima_post_read_file+0x96/0xa0 [ 144.174277] SYSC_finit_module+0xfc/0x120 [ 144.174279] ? SYSC_finit_module+0xfc/0x120 [ 144.174282] SyS_finit_module+0xe/0x10 [ 144.174284] do_syscall_64+0x73/0x130 [ 144.174286] entry_SYSCALL_64_after_hwframe+0x3d/0xa2 [ 144.174287] RIP: 0033:0x7f8816f26839 [ 144.174288] RSP: 002b:00007ffff15233f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 144.174290] RAX: ffffffffffffffda RBX: 000055c257fe7180 RCX: 00007f8816f26839 [ 144.174290] RDX: 0000000000000000 RSI: 00007f8816c050e5 RDI: 0000000000000010 [ 144.174291] RBP: 00007f8816c050e5 R08: 0000000000000000 R09: 00007ffff1523510 [ 144.174292] R10: 0000000000000010 R11: 0000000000000246 R12: 0000000000000000 [ 144.174293] R13: 000055c257fe3640 R14: 0000000000020000 R15: 000055c257fe7180 [ 144.174294] Code: 48 39 ce 73 3c 80 3d 05 2b ef 00 00 41 bd f5 ff ff ff 0f 85 9c fe ff ff 48 c7 c7 08 9f b6 a0 c6 05 eb 2a ef 00 01 e8 ca e8 96 ff <0f> 0b 8b 53 64 e9 7f fe ff ff 48 8b 15 81 e2 d0 00 e9 0e fe ff [ 144.174325] ---[ end trace 96e95b7f04d35e1f ]--- [ 144.174350] usb 2-2: NFC: Reader power on cmd error -11 [ 144.174356] pn533_usb 2-2:1.0: NFC: Couldn't poweron the reader (error -11) [ 144.174367] pn533_usb: probe of 2-2:1.0 failed with error -11 [ 144.174391] usbcore: registered new interface driver pn533_usb Sent with ProtonMail Secure Email. ‐‐‐‐‐‐‐ Original Message ‐‐‐‐‐‐‐ Le 10 août 2018 4:07 PM, Greg KH <gregkh@xxxxxxxxxxxxxxxxxxx> a écrit : > On Fri, Aug 10, 2018 at 01:47:37PM +0000, Julien F. wrote: > > > Hello, > > I'm sending you this email because i found this topic > > https://patchwork.kernel.org/patch/10407169/ on the error -11 when we > > plug a NFC ACR122U reader, and ... that's exactly my problem ! and > > nobodies on forums were able to help me ^^. So apparently you fixed > > the issue ? do you now if this patch is currently embedded on the last > > update of ubuntu 18 ? How can i know ? (of course i will test to plug > > my device in it this evening, but what if i still have the issue ?). > > I have no idea what kernel version Ubuntu is using at all, sorry. The > patch you are pointing at is in the following kernel versions: > 4.14.50 4.16.16 4.17.2 > so anything newer than those should be just fine for you to use. > > hope this helps > > greg k-h
