booting the kernel 4.18.0-1-sparc64 I dont view error "can't ioremap BAR 0"
and all 3 wireless cards "ifup" regularly if I run: dmesg|grep rt2500pci I view: [ 57.116343] rt2500pci 0000:02:03.0: enabling device (0000 -> 0002) [ 58.378196] rt2500pci 0000:02:03.0 wlp2s3: renamed from wlan0 [ 621.480733] rt2500pci 0000:02:03.0 wlp2s3: disabling HT as WMM/QoS is not supported by the AP [ 621.480762] rt2500pci 0000:02:03.0 wlp2s3: disabling VHT as WMM/QoS is not supported by the AP p.s. I have system crash if I run kernel 4.9.0 >>On Friday 08 August 2025 08:52:56 Gregor Riepl wrote: > I'm a bit confused. > > The following messages seem to indicate that the driver initialized the card successfully, and it also managed to load the requested firmware: > > [ 381.169481] ieee80211 phy2: rt2x00lib_request_firmware: Info - Loading > > firmware file 'rt2870.bin' > > [ 381.187301] ieee80211 phy2: rt2x00lib_request_firmware: Info - > > Firmware detected - version: 0.36 > > On the other hand, this message indicates that the kernel wasn't able to allocate sufficient memory space for one of the device's BARs: > > [ 30.927100] rt2500pci 0000:02:03.0: can't ioremap BAR 0: [mem size > > 0x00002000] > > Can you elaborate what problem you're encountering exactly? > Does the wireless card fail to show up as a network device? > Do you get system crashes?

