https://bugzilla.kernel.org/show_bug.cgi?id=217862 --- Comment #3 from pawlick3r@xxxxxxxxx --- (In reply to Alan Stern from comment #2) > Please try this again after applying the commit in > > https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git/commit/ > ?id=a6ff6e7a9dd69364547751db0f626a10a6d628d2 The commit is included in Kernel 6.5 already, which my system is currently running. https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/drivers/usb/storage/alauda.c?h=v6.5 On previous versions of the kernel before this patch, the card reader reported no media and generated an error about how the transfer buffer is on stack. Chances are this broke 6 or so years ago when the kernel behavior was changed to block drivers that did that behavior (see: https://linux.kernel.narkive.com/YOK3Jf56/patch-v2-usb-core-warn-if-an-urb-s-transfer-buffer-is-on-stack) but I might have to do some testing to see what Linux version in particular broke it. Here is the error on Kernel 5.15 as an example on Ubuntu 22.04: [ 43.057770] usb 1-1: new full-speed USB device number 5 using xhci_hcd [ 43.221275] usb 1-1: New USB device found, idVendor=0584, idProduct=0008, bcdDevice= 1.02 [ 43.221284] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=0 [ 43.221288] usb 1-1: Product: USB SmartMedia Adapter [ 43.221291] usb 1-1: Manufacturer: YAMAICHI ELECTRONICS Co.,Ltd. [ 43.307610] usbcore: registered new interface driver usb-storage [ 43.310782] ums-alauda 1-1:1.0: USB Mass Storage device detected [ 43.315826] scsi host1: usb-storage 1-1:1.0 [ 43.316038] usbcore: registered new interface driver ums-alauda [ 44.316803] scsi 1:0:0:0: Direct-Access Fujifilm DPC-R1 (Alauda) 0102 PQ: 0 ANSI: 0 CCS [ 44.316936] scsi 1:0:0:1: Direct-Access Fujifilm DPC-R1 (Alauda) 0102 PQ: 0 ANSI: 0 CCS [ 44.317379] ------------[ cut here ]------------ [ 44.317381] transfer buffer is on stack [ 44.317400] sd 1:0:0:0: Attached scsi generic sg0 type 0 [ 44.317404] WARNING: CPU: 0 PID: 3177 at drivers/usb/core/hcd.c:1498 usb_hcd_map_urb_for_dma+0x4a9/0x4f0 [ 44.317421] Modules linked in: ums_alauda usb_storage ccm rfcomm cmac algif_hash algif_skcipher af_alg bnep snd_soc_skl snd_soc_hdac_hda snd_hda_ext_core snd_soc_sst_ipc snd_hda_codec_hdmi snd_soc_sst_dsp snd_soc_acpi_intel_match snd_ctl_led snd_hda_codec_conexant snd_soc_acpi snd_hda_codec_generic ledtrig_audio intel_rapl_msr snd_soc_core snd_compress ac97_bus snd_pcm_dmaengine snd_hda_intel snd_intel_dspcfg snd_intel_sdw_acpi snd_hda_codec mei_hdcp snd_hda_core snd_hwdep snd_pcm uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 snd_seq_midi btusb btrtl videobuf2_common btbcm btintel videodev snd_seq_midi_event mc intel_rapl_common intel_tcc_cooling snd_rawmidi x86_pkg_temp_thermal intel_powerclamp coretemp binfmt_misc bluetooth kvm_intel kvm ecdh_generic ecc rapl snd_seq nls_iso8859_1 intel_cstate hp_wmi snd_seq_device sparse_keymap platform_profile iwlmvm intel_wmi_thunderbolt snd_timer joydev input_leds snd mac80211 serio_raw wmi_bmof libarc4 iwlwifi ee1004 soundcore [ 44.317549] cfg80211 mei_me intel_pch_thermal intel_xhci_usb_role_switch mei hp_accel mac_hid lis3lv02d wireless_hotkey tpm_infineon acpi_pad sch_fq_codel msr parport_pc ppdev lp ramoops parport reed_solomon pstore_blk pstore_zone efi_pstore ip_tables x_tables autofs4 i915 i2c_algo_bit ttm drm_kms_helper syscopyarea sysfillrect sysimgblt fb_sys_fops rtsx_pci_sdmmc cec crct10dif_pclmul crc32_pclmul rc_core i2c_i801 nvme ghash_clmulni_intel aesni_intel crypto_simd cryptd psmouse e1000e i2c_smbus drm nvme_core xhci_pci xhci_pci_renesas rtsx_pci ahci intel_lpss_pci intel_lpss libahci idma64 wmi video pinctrl_sunrisepoint [ 44.317637] CPU: 0 PID: 3177 Comm: usb-storage Not tainted 5.15.0-82-generic #91-Ubuntu [ 44.317643] Hardware name: HP HP EliteBook 840 G3/8079, BIOS N75 Ver. 01.57 07/28/2022 [ 44.317646] RIP: 0010:usb_hcd_map_urb_for_dma+0x4a9/0x4f0 [ 44.317654] Code: ff 4c 89 f2 48 c7 c7 00 e5 84 87 48 89 c6 e8 8f 60 37 00 0f 0b eb c1 48 c7 c7 25 3b 8a 87 c6 05 fb 7b 85 01 01 e8 78 60 37 00 <0f> 0b 41 be f5 ff ff ff 41 8b 54 24 5c e9 3d fc ff ff 0f 0b 41 be [ 44.317658] RSP: 0018:ffffa3e3410a3bc0 EFLAGS: 00010282 [ 44.317663] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000027 [ 44.317667] RDX: ffff910623820588 RSI: 0000000000000001 RDI: ffff910623820580 [ 44.317670] RBP: ffffa3e3410a3bf8 R08: 0000000000000003 R09: fffffffffffd1a70 [ 44.317673] R10: 000000000000001d R11: 0000000000000001 R12: ffff91040aec6540 [ 44.317676] R13: ffff910400ca0000 R14: 0000000000000000 R15: 0000000000000c00 [ 44.317680] FS: 0000000000000000(0000) GS:ffff910623800000(0000) knlGS:0000000000000000 [ 44.317684] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 44.317688] CR2: 00007fd828fc8ae0 CR3: 0000000043410006 CR4: 00000000003706f0 [ 44.317692] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 44.317695] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 44.317698] Call Trace: [ 44.317700] <TASK> [ 44.317710] xhci_map_urb_for_dma+0x149/0x170 [ 44.317717] usb_hcd_submit_urb+0x81/0x300 [ 44.317724] usb_submit_urb+0x254/0x6d0 [ 44.317734] usb_stor_msg_common+0xa3/0x150 [usb_storage] [ 44.317747] usb_stor_ctrl_transfer+0xa0/0xd0 [usb_storage] [ 44.317757] alauda_check_media+0x68/0x190 [ums_alauda] [ 44.317765] alauda_transport+0x119/0x36c [ums_alauda] [ 44.317771] ? schedule+0x69/0x110 [ 44.317783] usb_stor_invoke_transport+0x3b/0x550 [usb_storage] [ 44.317793] ? __wait_for_common+0xf7/0x150 [ 44.317798] ? usleep_range_state+0x90/0x90 [ 44.317806] usb_stor_transparent_scsi_command+0xe/0x20 [usb_storage] [ 44.317812] usb_stor_control_thread+0x195/0x290 [usb_storage] [ 44.317819] ? storage_probe+0xe0/0xe0 [usb_storage] [ 44.317826] kthread+0x127/0x150 [ 44.317832] ? set_kthread_struct+0x50/0x50 [ 44.317837] ret_from_fork+0x1f/0x30 [ 44.317845] </TASK> [ 44.317847] ---[ end trace 09f7f04fe1319ab9 ]--- [ 44.317943] sd 1:0:0:0: [sda] Media removed, stopped polling [ 44.317966] sd 1:0:0:1: [sdb] Media removed, stopped polling [ 44.318106] sd 1:0:0:1: Attached scsi generic sg1 type 0 [ 44.322084] sd 1:0:0:0: [sda] Attached SCSI removable disk [ 44.322208] sd 1:0:0:1: [sdb] Attached SCSI removable disk -- You may reply to this email to add a comment. 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