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[ARM32] panic when sshd responding



Hello.

I've got a few times (not always) kernel panic on OMAP/H4 when a
remote client tries to connect to sshd started on OMAP. I'm using the
NetBSD-current (20080522). There is message and back-trace of it.

panic: kernel diagnostic assertion "(pg->mdpage.pvh_attrs &
PVF_KENTRY) == 0" failed: file
"/home/andy/prj/netbsd/netbsd.se-local/sys/arch/arm/arm32/pmap.c",
line 3097
Stopped in pid 436.1 (sshd) at  netbsd:cpu_Debugger+0x4:        bx      r14
db>
db> bt
netbsd:panic+0x14
        scp=0x8040f69c rlv=0x80495fc0 (netbsd:__kernassert+0x44)
        rsp=0x82db0db0 rfp=0x82db0dc4
netbsd:__kernassert+0xc
        scp=0x80495f88 rlv=0x804789f4 (netbsd:pmap_kenter_pa+0x2d8)
        rsp=0x82db0dc8 rfp=0x82db0e00
        r4=0x80542f50
netbsd:pmap_kenter_pa+0x10
        scp=0x8047872c rlv=0x804362d8 (netbsd:sosend+0x5cc)
        rsp=0x82db0e04 rfp=0x82db0e6c
        r10=0x00001200 r9=0x0000157f
        r8=0x811c2264 r7=0x82db0eb4 r6=0x81161b00 r5=0x00000001
        r4=0x82f36000
netbsd:sosend+0xc
        scp=0x80435d18 rlv=0x8041f8a8 (netbsd:soo_write+0x3c)
        rsp=0x82db0e70 rfp=0x82db0e8c
        r10=0x8050f108 r9=0x00000004
        r8=0x2063b000 r7=0x00000006 r6=0x82db0f60 r5=0x0000277f
        r4=0x811c2264
netbsd:soo_write+0x10
        scp=0x8041f87c rlv=0x80416024 (netbsd:dofilewrite+0x84)
        rsp=0x82db0e90 rfp=0x82db0ee0
        r4=0x00000006
netbsd:dofilewrite+0xc
        scp=0x80415fac rlv=0x80416158 (netbsd:sys_write+0x74)
        rsp=0x82db0ee4 rfp=0x82db0f08
        r10=0x2020498c r8=0x82ea5a00
        r7=0x82db0fb8 r6=0x82db0f60 r5=0x82db0fb8 r4=0x00000006
netbsd:sys_write+0xc
        scp=0x804160f0 rlv=0x8046fb00 (netbsd:syscall_plain+0x130)
        rsp=0x82db0f0c rfp=0x82db0f90
        r6=0x82db0fb4 r5=0x00000003
        r4=0x82db0fb4
netbsd:syscall_plain+0x10
        scp=0x8046f9e0 rlv=0x8047002c (netbsd:swi_handler+0x88)
        rsp=0x82db0f94 rfp=0x82db0fb0
        r10=0x2020498c r9=0x2063b000
        r8=0x0000e1d8 r7=0x81cd4000 r6=0xefa00004 r5=0x82ea5a00
        r4=0x82db0fb4
netbsd:swi_handler+0x14
        scp=0x8046ffb8 rlv=0x80472f78 (netbsd:swi_entry+0x2c)
        rsp=0x82db0fb4 rfp=0x7fffdf00
        r7=0x00000006 r6=0x0000277f

Could you advice something? Thanks.

-- 
With Best Regards,
Andy Shevchenko


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