Dear Linux folks,
On a Dell Precision 3540, Linux 5.16.12 reports an ioremap error:
[ 0.000000] Linux version 5.16.0-4-amd64
(debian-kernel@xxxxxxxxxxxxxxxx) (gcc-11 (Debian 11.2.0-18) 11.2.0, GNU
ld (GNU Binutils for Debian) 2.38) #1 SMP PREEMPT Debian 5.16.12-1
(2022-03-08)
[ 0.000000] Command line: BOOT_IMAGE=/vmlinuz-5.16.0-4-amd64
root=UUID=c9342a55-b747-4442-b2f4-bc03eb7a51cf ro quiet noisapnp
log_buf_len=2M cryptomgr.notests btusb.enable_autosuspend=y
random.trust_cpu=on
[…]
[ 0.000000] DMI: Dell Inc. Precision 3540/0M14W7, BIOS 1.15.0
12/08/2021
[…]
[ 24.230968] videodev: Linux video capture interface: v2.00
[ 24.237747] ioremap error for 0x78e31000-0x78e32000, requested
0x2, got 0x0
[ 24.238100] ucsi_acpi: probe of USBC000:00 failed with error -12
[…]
$ sudo more /proc/iomem
[…]
78a04000-78ea2fff : ACPI Non-volatile Storage
78e31000-78e31fff : USBC000:00
[…]
This seems to happen on a lot of Dell devices, cf. bug 199741 (ioremap
error on Dell XPS 9370) [1].
Kind regards,
Paul
[1]: https://bugzilla.kernel.org/show_bug.cgi?id=199741
00000000-00000fff : Reserved
00001000-0009dfff : System RAM
0009e000-0009efff : Reserved
0009f000-0009ffff : System RAM
000a0000-000fffff : Reserved
00000000-00000000 : PCI Bus 0000:00
00000000-00000000 : PCI Bus 0000:00
00000000-00000000 : PCI Bus 0000:00
00000000-00000000 : PCI Bus 0000:00
00000000-00000000 : PCI Bus 0000:00
00000000-00000000 : PCI Bus 0000:00
00000000-00000000 : PCI Bus 0000:00
00000000-00000000 : PCI Bus 0000:00
000a0000-000dffff : PCI Bus 0000:00
000c0000-000dffff : 0000:00:02.0
000f0000-000fffff : System ROM
00100000-3fffffff : System RAM
40000000-403fffff : Reserved
40000000-403fffff : pnp 00:00
40400000-6d86cfff : System RAM
6d86d000-6d86dfff : ACPI Non-volatile Storage
6d86e000-6d86efff : Reserved
6d86f000-73628fff : System RAM
73629000-736b2fff : Reserved
736b3000-782d8fff : System RAM
782d9000-78986fff : Reserved
78987000-78a03fff : ACPI Tables
78a04000-78ea2fff : ACPI Non-volatile Storage
78e31000-78e31fff : USBC000:00
78ea3000-7ab22fff : Reserved
7ab23000-7acfefff : Unknown E820 type
7acff000-7acfffff : System RAM
7ad00000-7f7fffff : Reserved
7d800000-7f7fffff : Graphics Stolen Memory
7f800000-efffffff : PCI Bus 0000:00
7f800000-7f800fff : 0000:00:15.0
7f800000-7f8001ff : lpss_dev
7f800000-7f8001ff : i2c_designware.0 lpss_dev
7f800200-7f8002ff : lpss_priv
7f800800-7f800fff : idma64.0
7f800800-7f800fff : idma64.0 idma64.0
7f801000-7f801fff : 0000:00:15.1
7f801000-7f8011ff : lpss_dev
7f801000-7f8011ff : i2c_designware.1 lpss_dev
7f801200-7f8012ff : lpss_priv
7f801800-7f801fff : idma64.1
7f801800-7f801fff : idma64.1 idma64.1
7f802000-7f802fff : 0000:00:19.0
7f802000-7f8021ff : lpss_dev
7f802000-7f8021ff : i2c_designware.2 lpss_dev
7f802200-7f8022ff : lpss_priv
80000000-8fffffff : 0000:00:02.0
90000000-b1ffffff : PCI Bus 0000:02
90000000-b1ffffff : PCI Bus 0000:03
90000000-b1ffffff : PCI Bus 0000:05
c0000000-d01fffff : PCI Bus 0000:3b
c0000000-cfffffff : 0000:3b:00.0
d0000000-d01fffff : 0000:3b:00.0
d4000000-ea0fffff : PCI Bus 0000:02
d4000000-ea0fffff : PCI Bus 0000:03
d4000000-e9efffff : PCI Bus 0000:05
e9f00000-e9ffffff : PCI Bus 0000:3a
e9f00000-e9f0ffff : 0000:3a:00.0
e9f00000-e9f0ffff : xhci-hcd
ea000000-ea0fffff : PCI Bus 0000:04
ea000000-ea03ffff : 0000:04:00.0
ea000000-ea03ffff : thunderbolt
ea040000-ea040fff : 0000:04:00.0
eb000000-ebffffff : 0000:00:02.0
ec000000-ec0fffff : 0000:00:1f.3
ec100000-ec1fffff : PCI Bus 0000:3c
ec100000-ec103fff : 0000:3c:00.0
ec100000-ec103fff : nvme
ec200000-ec2fffff : PCI Bus 0000:3b
ec200000-ec23ffff : 0000:3b:00.0
ec240000-ec25ffff : 0000:3b:00.0
ec300000-ec3fffff : PCI Bus 0000:01
ec300000-ec300fff : 0000:01:00.0
ec300000-ec300fff : rtsx_pci
ec400000-ec41ffff : 0000:00:1f.6
ec400000-ec41ffff : e1000e
ec420000-ec42ffff : 0000:00:14.0
ec420000-ec42ffff : xhci-hcd
ec430000-ec437fff : 0000:00:04.0
ec430000-ec437fff : proc_thermal
ec438000-ec43bfff : 0000:00:1f.3
ec438000-ec43bfff : ICH HD audio
ec43c000-ec43ffff : 0000:00:14.3
ec43c000-ec43ffff : iwlwifi
ec440000-ec441fff : 0000:00:14.2
ec442000-ec4420ff : 0000:00:1f.4
ec444000-ec444fff : 0000:00:16.0
ec444000-ec444fff : mei_me
ec447000-ec447fff : 0000:00:14.2
ec448000-ec448fff : 0000:00:12.0
ec448000-ec448fff : Intel PCH thermal driver
ec449000-ec449fff : 0000:00:08.0
f0000000-f7ffffff : PCI MMCONFIG 0000 [bus 00-7f]
f0000000-f7ffffff : Reserved
f0000000-f7ffffff : pnp 00:06
fc800000-fe7fffff : PCI Bus 0000:00
fd000000-fd69ffff : pnp 00:07
fd6a0000-fd6affff : INT34BB:00
fd6a0000-fd6affff : INT34BB:00 INT34BB:00
fd6b0000-fd6cffff : pnp 00:07
fd6d0000-fd6dffff : INT34BB:00
fd6d0000-fd6dffff : INT34BB:00 INT34BB:00
fd6e0000-fd6effff : INT34BB:00
fd6e0000-fd6effff : INT34BB:00 INT34BB:00
fd6f0000-fdffffff : pnp 00:07
fe000000-fe010fff : Reserved
fe010000-fe010fff : 0000:00:1f.5
fe200000-fe7fffff : pnp 00:07
fec00000-fec00fff : Reserved
fec00000-fec003ff : IOAPIC 0
fed00000-fed003ff : HPET 0
fed00000-fed003ff : PNP0103:00
fed10000-fed17fff : pnp 00:06
fed18000-fed18fff : pnp 00:06
fed19000-fed19fff : pnp 00:06
fed20000-fed3ffff : pnp 00:06
fed45000-fed8ffff : pnp 00:06
fed90000-fed90fff : dmar0
fed91000-fed91fff : dmar1
fee00000-fee00fff : Local APIC
fee00000-fee00fff : Reserved
ff000000-ffffffff : Reserved
ff000000-ffffffff : pnp 00:07
100000000-87c7fffff : System RAM
232a00000-233601e3f : Kernel code
233800000-23403cfff : Kernel rodata
234200000-2344ac4bf : Kernel data
234ae3000-234ffffff : Kernel bss
87c800000-87fffffff : RAM buffer
