cprng panic?

[SAITOH Masanobu <msaitoh%execsw.org@localhost>]

 My evbarm machine runnning -cuurent panics as follows:

> cprng kernel: WARNING pseudorandom rekeying.
> panic: kernel diagnostic assertion "(!cpu_intr_p() && !cpu_softintr_p())" 
> failed: file "../../../../kern/subr_kmem.c", line 307 kmem(9) should not be 
> used from the interrupt context
> cpu0: Begin traceback...
> netbsd:vpanic+0x10
>         scp=0xc09e7160 rlv=0xc0af72c0 (netbsd:kern_assert+0x40)
>         rsp=0xccb40958 rfp=0xccb4096c
>         r7=0xc2a48e44
> netbsd:kern_assert+0x18
>         scp=0xc0af7298 rlv=0xc09df7a0 (netbsd:kmem_alloc+0x40)
>         rsp=0xccb40980 rfp=0xccb40998
> netbsd:kmem_alloc+0x10
>         scp=0xc09df770 rlv=0xc09d80e4 (netbsd:cprng_strong+0x224)
>         rsp=0xccb4099c rfp=0xccb409ec
>         r5=0x00000010 r4=0xc2a48c08
> netbsd:cprng_strong+0x10
>         scp=0xc09d7ed0 rlv=0xc0a17918 (netbsd:tcp_new_iss1+0x134)
>         rsp=0xccb409f0 rfp=0xccb40a8c
>         r10=0x00000004 r9=0x00000000
>         r8=0xcb255ae4 r7=0x00000000 r6=0xccb40e14 r5=0xccb40e30
>         r4=0xc0c7cd74
> netbsd:tcp_new_iss1+0x10
>         scp=0xc0a177f4 rlv=0xc0a0cbd8 (netbsd:syn_cache_add+0x560)
>         rsp=0xccb40a90 rfp=0xccb40ce8
>         r10=0xccb40e10 r8=0xcb255ae4
>         r7=0x00000000 r6=0xc3d78eb0 r5=0xccb40e2c r4=0x00000000
> netbsd:syn_cache_add+0x10
>         scp=0xc0a0c688 rlv=0xc0a10084 (netbsd:tcp_input+0x2a58)
>         rsp=0xccb40cec rfp=0xccb40eac
>         r10=0xccb40e68 r9=0xc2dece00
>         r8=0xc2f42684 r7=0xc0c7ce74 r6=0x00000018 r5=0xc2dece00
>         r4=0xcb255ae4
> netbsd:tcp_input+0x14
>         scp=0xc0a0d640 rlv=0xc08f2080 (netbsd:ip_input+0x39c)
>         rsp=0xccb40ec0 rfp=0xccb40ee8
>         r10=0xcaf83004 r9=0xc0b7311c
>         r8=0x00000000 r7=0x00000001 r6=0x00000014 r5=0xcb255ad0
>         r4=0xc0c6bcc4
> netbsd:ip_input+0x10
>         scp=0xc08f1cf4 rlv=0xc08f2518 (netbsd:ipintr+0xc4)
>         rsp=0xccb40eec rfp=0xccb40f20
>         r8=0x00000000 r7=0x00000000
>         r6=0xc0c7e4ac r5=0x00000000 r4=0x00000000
> netbsd:ipintr+0x10
>         scp=0xc08f2464 rlv=0xc0925130 (netbsd:softint_overlay+0x39c)
>         rsp=0xccb40f24 rfp=0xccb40f68
>         r7=0xcaf83154 r6=0xcaf83000
>         r5=0xc0b7311c r4=0xcaf831ec
> netbsd:softint_overlay+0x10
>         scp=0xc0924da4 rlv=0xc090f0b4 (netbsd:lwp_userret+0x1c8)
>         rsp=0xccb40f6c rfp=0xccb40f94
>         r10=0xbffdcf38 r9=0x209df860
>         r8=0x00000000 r7=0x00000010 r6=0x00000000 r5=0xc2fa5370
>         r4=0xc3c4b800
> netbsd:lwp_userret+0x10
>         scp=0xc090eefc rlv=0xc080209c (netbsd:userret+0xa4)
>         rsp=0xccb40f98 rfp=0xccb40fac
>         r10=0xbffdcf38 r8=0x00000000
>         r7=0x00000010 r6=0x00000000 r5=0x20000013 r4=0xc3c4b800
> netbsd:userret+0x10
>         scp=0xc0802008 rlv=0xc08f6694 (netbsd:irq_entry+0xd4)
>         rsp=0xccb40fb0 rfp=0xbffdcf20
>         r4=0xc0b7311c
> cpu0: End traceback...
> 
> dumping to dev 16,1 offset 3145711
> dump mvsata0:0:1: device disconnect
> mvsata0:0:1: EDMA self disable happen 0x88
> wddump: device timed out
> i/o error

-- 
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                SAITOH Masanobu (msaitoh%execsw.org@localhost
                                 msaitoh%netbsd.org@localhost)