31:login: df4580: malloc-type limit ~389 MB; looping kmalloc(32 MB, M_WAITOK|M_ZERO) [no M_NULLOK], GFP_KERNEL-equivalent
32:df4580: alloc #0 (type usage ~0 MB)
33:df4580: alloc #1 (type usage ~32 MB)
34:df4580: alloc #2 (type usage ~64 MB)
35:df4580: alloc #3 (type usage ~96 MB)
36:df4580: alloc #4 (type usage ~128 MB)
37:df4580: alloc #5 (type usage ~160 MB)
38:df4580: alloc #6 (type usage ~192 MB)
39:df4580: alloc #7 (type usage ~224 MB)
40:df4580: alloc #8 (type usage ~256 MB)
41:df4580: alloc #9 (type usage ~288 MB)
42:df4580: alloc #10 (type usage ~320 MB)
43:df4580: alloc #11 (type usage ~352 MB)
44:df4580: alloc #12 (type usage ~384 MB)
45:df4580: alloc #13 (type usage ~416 MB)
46:panic: df4580: malloc limit exceeded
49:_kmalloc() at _kmalloc+0xb09 0xffffffff806578c9 
50:_kmalloc() at _kmalloc+0xb09 0xffffffff806578c9 
51:df4580_modevent() at df4580_modevent+0xd8 0xffffffff826000d8 
60:db>