On 11/08/2025 14:46, Helge Deller wrote: > On 8/11/25 00:12, Bitterblue Smith wrote: >> On 10/08/2025 23:36, Helge Deller wrote: >>> The USB dongle which came with my DreamBox DM7020HD years ago seems to fail now. >>> Any idea or suggestion what I should try? >>> >>> [427792.562049] usb 3-7: new high-speed USB device number 56 using xhci_hcd >>> [427792.689358] usb 3-7: New USB device found, idVendor=07b8, idProduct=8188, bcdDevice= 2.00 >>> [427792.689376] usb 3-7: New USB device strings: Mfr=1, Product=2, SerialNumber=3 >>> [427792.689381] usb 3-7: Product: RTL8188S WLAN Adapter >>> [427792.689385] usb 3-7: Manufacturer: Manufacturer Realtek >>> [427792.689388] usb 3-7: SerialNumber: 00e04c000001 >>> [427792.695145] usb 3-7: This Realtek USB WiFi dongle (0x07b8:0x8188) is untested! >>> [427792.695151] usb 3-7: Please report results to Jes.Sorensen@xxxxxxxxx >>> [427792.934142] usb 3-7: Dumping efuse for RTL8188CU (0x200 bytes): >>> [427792.934151] 00000000: 29 81 00 00 a9 16 00 00 b8 07 88 81 90 85 62 9c ).............b. >>> [427792.934155] 00000010: 06 00 ec f0 0e 16 44 3f 17 03 4d 61 6e 75 66 61 ......D?..Manufa >>> [427792.934157] 00000020: 63 74 75 72 65 72 20 52 65 61 6c 74 65 6b 20 18 cturer Realtek . >>> [427792.934159] 00000030: 03 52 54 4c 38 31 38 38 53 20 57 4c 41 4e 20 41 .RTL8188S WLAN A >>> [427792.934160] 00000040: 64 61 70 74 65 72 20 00 00 00 00 00 00 00 00 00 dapter ......... >>> [427792.934162] 00000050: 06 02 00 00 00 24 24 24 00 00 00 26 26 26 00 00 .....$$$...&&&.. >>> [427792.934163] 00000060: 00 00 00 00 00 00 00 00 12 00 00 09 0d 00 00 00 ................ >>> [427792.934164] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ >>> [427792.934166] 00000080: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ................ >>> [427792.934167] 00000090: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ................ >>> [427792.934168] 000000a0: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ................ >>> [427792.934170] 000000b0: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ................ >>> [427792.934171] 000000c0: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ................ >>> [427792.934172] 000000d0: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ................ >>> [427792.934174] 000000e0: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ................ >>> [427792.934175] 000000f0: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ................ >>> [427792.934176] 00000100: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ................ >>> [427792.934178] 00000110: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ................ >>> [427792.934179] 00000120: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ................ >>> [427792.934180] 00000130: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ................ >>> [427792.934182] 00000140: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ................ >>> [427792.934183] 00000150: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ................ >>> [427792.934184] 00000160: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ................ >>> [427792.934186] 00000170: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ................ >>> [427792.934187] 00000180: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ................ >>> [427792.934188] 00000190: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ................ >>> [427792.934190] 000001a0: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ................ >>> [427792.934191] 000001b0: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ................ >>> [427792.934192] 000001c0: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ................ >>> [427792.934193] 000001d0: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ................ >>> [427792.934195] 000001e0: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ................ >>> [427792.934196] 000001f0: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ................ >>> [427792.934198] usb 3-7: RTL8188CU rev A (TSMC) romver 0, 1T1R, TX queues 3, WiFi=1, BT=0, GPS=0, HI PA=0 >>> [427792.934203] usb 3-7: RTL8188CU MAC: 44:3f:17:03:4d:61 >>> [427792.934206] usb 3-7: rtl8xxxu: Loading firmware rtlwifi/rtl8192cufw_TMSC.bin >>> [427792.938371] usb 3-7: Firmware revision 88.2 (signature 0x88c1) >>> [427792.939417] rtl8192cu_power_on: Enabling LDOV12D (24) >>> [427793.115145] rtl8192cu_power_on: FSMCO_MAC_ENABLE poll failed >>> [427793.115156] usb 3-7: rtl8xxxu_init_device: Failed power on >>> [427793.116003] rtl8xxxu 3-7:1.0: probe with driver rtl8xxxu failed with error -16 >>> >> >> Your dongle has the RTL8188SU chip inside. rtl8xxxu and rtl8192cu >> are not the right drivers. >> >> The right driver is r8712u, but it was removed in kernel 6.13. > > Ah, ok. > >> You can use kernel 6.12. Or you can compile r8712u for your current >> kernel. Maybe r8712u could even be accepted back in the kernel if >> you convert it to use mac80211/cfg80211. >> https://lore.kernel.org/linux-staging/20241020144933.10956-1-philipp.g.hortmann@xxxxxxxxx/ > > According to that commit message, a replacement with MAC80211 support > is available at https://github.com/chunkeey/rtl8192su > But development on it seems to have stopped some years ago. > Is there any specific reason for this? I think the people working on it ran into some problems with the driver/firmware and also didn't have time for it anymore: https://lore.kernel.org/linux-wireless/3717687.FpcDfXaOEr@debian64/ > I have no clue on wireless development, so if I'm willing to test this > driver and provide feedback, would someone be interested and may help to bring > it upstream? Or doesn't it make sense to invest the time in that? > > Helge The work has to be done by someone who has the hardware. That makes you the best candidate for the job.
