On Thu, May 16, 2019 at 03:35:42PM +0200, StarostaCZ@xxxxxxxxx wrote: > Hello, > when I try to read EEPROM memory from FT232R chip (USB to serial > converter), system crash after a seconds. You should mention that you're using libusb and the vendor's ftdi library. Specifically, the kernels ftdi_sio driver is not involved. > 1) Configuration > ASUS PRIME A320M-K, latest bios version 4801, default settings. > Ubuntu server 19.04 with kernel 5.1.1-050101-generic: > https://kernel.ubuntu.com/~kernel-ppa/mainline/v5.1.1/ > > 2) lsusboutput > Bus 006 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub > Bus 005 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub > Bus 004 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub > Bus 003 Device 002: ID 04f3:0103 Elan Microelectronics Corp. ActiveJet > K-2024 Multimedia Keyboard > Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub > Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub > Bus 001 Device 002: ID 0403:6001 Future Technology Devices > International, Ltd FT232 Serial (UART) IC > Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub > > 3) kern.log with IOMMU disabled > https://paste.ee/p/nuCPp Good that you were able to rule out the iommu, but you forgot to CC the xhci maintainer (added Mathias again). It could be good idea to include a link to thread with your initial report as well: https://lkml.kernel.org/r/04503197-a0a9-8b35-6c65-c10f296aab57@xxxxxxxxx > 4) Notes > - problem is, when FT232R is connected to USB2.0 port, when is connected > to USB3 port, this works fine > - another test - same hardware, Debian 9.8 with kernel 4.19 - system > crash too > > -- starosta Including only the obviously relevant part of your log below. > May 16 15:06:45 test-ubnt kernel: [ 0.000000] Linux version 5.1.1-050101-generic (kernel@kathleen) (gcc version 8.3.0 (Ubuntu 8.3.0-12ubuntu1)) #201905110631 SMP Sat May 11 06:33:50 UTC 2019 ... > May 16 15:07:03 test-ubnt kernel: [ 30.042564] usbserial: USB Serial deregistering driver FTDI USB Serial Device > May 16 15:07:03 test-ubnt kernel: [ 30.042759] ftdi_sio ttyUSB0: FTDI USB Serial Device converter now disconnected from ttyUSB0 > May 16 15:07:03 test-ubnt kernel: [ 30.042792] usbcore: deregistering interface driver ftdi_sio > May 16 15:07:03 test-ubnt kernel: [ 30.042842] ftdi_sio 1-9:1.0: device disconnected > May 16 15:07:54 test-ubnt kernel: [ 81.751630] xhci_hcd 0000:01:00.0: WARN Set TR Deq Ptr cmd failed due to incorrect slot or ep state. > May 16 15:07:54 test-ubnt kernel: [ 81.990340] general protection fault: 0000 [#1] SMP NOPTI > May 16 15:07:54 test-ubnt kernel: [ 81.993345] CPU: 3 PID: 1058 Comm: readua Not tainted 5.1.1-050101-generic #201905110631 > May 16 15:07:54 test-ubnt kernel: [ 81.996509] Hardware name: System manufacturer System Product Name/PRIME A320M-K, BIOS 4801 04/25/2019 > May 16 15:07:54 test-ubnt kernel: [ 81.998598] RIP: 0010:__kmalloc+0xa5/0x220 > May 16 15:07:54 test-ubnt kernel: [ 82.000379] Code: 65 49 8b 50 08 65 4c 03 05 90 c5 d8 54 4d 8b 38 4d 85 ff 0f 84 2e 01 00 00 41 8b 59 20 49 8b 39 48 8d 4a 01 4c 89 f8 4c 01 fb <48> 33 1b 49 33 99 38 01 00 00 65 48 0f c7 0f 0f 94 c0 84 c0 74 bd > May 16 15:07:54 test-ubnt kernel: [ 82.004031] RSP: 0018:ffffb415c0f1fcd0 EFLAGS: 00010202 > May 16 15:07:54 test-ubnt kernel: [ 82.005847] RAX: 74536432697a6001 RBX: 74536432697a6001 RCX: 0000000000004a47 > May 16 15:07:54 test-ubnt kernel: [ 82.007654] RDX: 0000000000004a46 RSI: 0000000000000cc0 RDI: 00000000000281a0 > May 16 15:07:54 test-ubnt kernel: [ 82.009463] RBP: ffffb415c0f1fd00 R08: ffff9e259aee81a0 R09: ffff9e259a806b80 > May 16 15:07:54 test-ubnt kernel: [ 82.011277] R10: ffff9e258ac616f0 R11: ffff9e2591f3a400 R12: 0000000000000cc0 > May 16 15:07:54 test-ubnt kernel: [ 82.013085] R13: 0000000000001000 R14: ffff9e259a806b80 R15: 74536432697a6001 > May 16 15:07:54 test-ubnt kernel: [ 82.014878] FS: 0000000000000000(0000) GS:ffff9e259aec0000(0063) knlGS:00000000f6bbeb40 > May 16 15:07:54 test-ubnt kernel: [ 82.016670] CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 > May 16 15:07:54 test-ubnt kernel: [ 82.018450] CR2: 00000000f7d23eac CR3: 0000000115b2c000 CR4: 00000000003406e0 > May 16 15:07:54 test-ubnt kernel: [ 82.020233] Call Trace: > May 16 15:07:54 test-ubnt kernel: [ 82.021995] ? proc_do_submiturb+0xaf1/0xc70 > May 16 15:07:54 test-ubnt kernel: [ 82.023748] proc_do_submiturb+0xaf1/0xc70 > May 16 15:07:54 test-ubnt kernel: [ 82.025486] proc_submiturb_compat+0x81/0xb0 > May 16 15:07:54 test-ubnt kernel: [ 82.027226] usbdev_do_ioctl+0x930/0xd70 > May 16 15:07:54 test-ubnt kernel: [ 82.028964] ? call_rwsem_wake+0x1b/0x30 > May 16 15:07:54 test-ubnt kernel: [ 82.030681] ? _copy_from_user+0x3e/0x60 > May 16 15:07:54 test-ubnt kernel: [ 82.032359] usbdev_compat_ioctl+0x10/0x20 > May 16 15:07:54 test-ubnt kernel: [ 82.034002] __ia32_compat_sys_ioctl+0x13d/0x230 > May 16 15:07:54 test-ubnt kernel: [ 82.035609] do_fast_syscall_32+0x9b/0x210 > May 16 15:07:54 test-ubnt kernel: [ 82.037178] entry_SYSCALL_compat_after_hwframe+0x45/0x4d > May 16 15:07:54 test-ubnt kernel: [ 82.038718] RIP: 0023:0xf7f7a929 > May 16 15:07:54 test-ubnt kernel: [ 82.040217] Code: 85 d2 74 02 89 0a 5b 5d c3 8b 04 24 c3 8b 14 24 c3 8b 34 24 c3 8b 3c 24 c3 90 90 90 90 90 90 90 90 51 52 55 89 cd 0f 05 cd 80 <5d> 5a 59 c3 90 90 90 90 8d b4 26 00 00 00 00 8d b4 26 00 00 00 00 > May 16 15:07:54 test-ubnt kernel: [ 82.043232] RSP: 002b:00000000f6bbe1c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 > May 16 15:07:54 test-ubnt kernel: [ 82.044708] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00000000802c550a > May 16 15:07:54 test-ubnt kernel: [ 82.046154] RDX: 00000000f5a00660 RSI: 0000000000000081 RDI: 0000000056dc6a80 > May 16 15:07:54 test-ubnt kernel: [ 82.047564] RBP: 00000000f6bbe238 R08: 0000000000000000 R09: 0000000000000000 > May 16 15:07:54 test-ubnt kernel: [ 82.048937] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 > May 16 15:07:54 test-ubnt kernel: [ 82.050267] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 > May 16 15:07:54 test-ubnt kernel: [ 82.051555] Modules linked in: nls_iso8859_1 dm_multipath scsi_dh_rdac scsi_dh_emc scsi_dh_alua edac_mce_amd ccp kvm irqbypass snd_hda_codec_realtek snd_hda_codec_generic ledtrig_audio crct10dif_pclmul crc32_pclmul snd_hda_codec_hdmi ghash_clmulni_intel snd_hda_intel snd_hda_codec eeepc_wmi snd_hda_core asus_wmi sparse_keymap wmi_bmof k10temp snd_hwdep snd_pcm snd_timer snd input_leds joydev usbserial soundcore mac_hid sch_fq_codel ib_iser rdma_cm iw_cm ib_cm ib_core iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi ip_tables x_tables autofs4 btrfs zstd_compress raid10 raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor raid6_pq libcrc32c raid1 raid0 multipath linear hid_generic usbhid hid amdgpu chash gpu_sched amd_iommu_v2 i2c_algo_bit aesni_intel ttm aes_x86_64 crypto_simd drm_kms_helper cryptd glue_helper syscopyarea sysfillrect sysimgblt i2c_piix4 fb_sys_fops drm r8169 ahci realtek libahci wmi video gpio_amdpt gpio_generic [last unloaded: ftdi_sio] > May 16 15:07:54 test-ubnt kernel: [ 82.060732] ---[ end trace 0f9fef91319fb2b2 ]--- Johan
