Bug ID 1021594
Summary kfd kfd: error getting iommu info. is the iommu enabled?
Classification openSUSE
Product openSUSE Distribution
Version Leap 42.2
Hardware x86-64
OS openSUSE 42.2
Status NEW
Severity Normal
Priority P5 - None
Component Kernel
Assignee kernel-maintainers@forge.provo.novell.com
Reporter tneo@gmx.com
QA Contact qa-bugs@suse.de
Found By ---
Blocker ---

During boot an error is thrown:

journalctl --system --boot | grep kfd

Jan 24 08:25:44 myOS kernel: kfd kfd: Initialized module
Jan 24 08:25:46 myOS kernel: kfd kfd: Allocated 3944480 bytes on gart for
device(1002:1313)
Jan 24 08:25:46 myOS kernel: kfd kfd: error getting iommu info. is the iommu
enabled?
Jan 24 08:25:46 myOS kernel: kfd kfd: Error initializing iommuv2 for device
(1002:1313)
Jan 24 08:25:46 myOS kernel: kfd kfd: device (1002:1313) NOT added due to
errors

I found out this is related to my AMD APU A8-7600, but I've not been able to
find a solution to fix this.

System info:

cat /proc/cpuinfo   
processor       : 0
vendor_id       : AuthenticAMD
cpu family      : 21
model           : 48
model name      : AMD A8-7600 Radeon R7, 10 Compute Cores 4C+6G
stepping        : 1
microcode       : 0x6003106
cpu MHz         : 1400.000
cache size      : 2048 KB
physical id     : 0
siblings        : 4
core id         : 0
cpu cores       : 2
apicid          : 16
initial apicid  : 0
fpu             : yes
fpu_exception   : yes
cpuid level     : 13
wp              : yes
flags           : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov
pat pse36 clflush mmx fxsr sse sse2 ht syscall nx mmxext fxsr_opt pdpe1gb
rdtscp lm constant_tsc rep_good nopl nonstop_tsc extd_apicid aperfmperf
eagerfpu pni pclmulqdq monitor ssse3 fma cx16 sse4_1 sse4_2 popcnt aes xsave
avx f16c lahf_lm cmp_legacy svm extapic cr8_legacy abm sse4a misalignsse
3dnowprefetch osvw ibs xop skinit wdt lwp fma4 tce nodeid_msr tbm topoext
perfctr_core perfctr_nb bpext ptsc arat cpb hw_pstate npt lbrv svm_lock
nrip_save tsc_scale vmcb_clean flushbyasid decodeassists pausefilter
pfthreshold vmmcall fsgsbase bmi1 xsaveopt overflow_recov
bugs            : fxsave_leak sysret_ss_attrs
bogomips        : 6184.21
TLB size        : 1536 4K pages
clflush size    : 64
cache_alignment : 64
address sizes   : 48 bits physical, 48 bits virtual
power management: ts ttp tm 100mhzsteps hwpstate cpb eff_freq_ro [13]


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