The following reply was made to PR port-alpha/36628; it has been noted by GNATS.

From: "Christoph Franzen" <ChristophFranzen@gmx.net>
To: Izumi Tsutsui <tsutsui@ceres.dti.ne.jp>
Cc: gnats-bugs@NetBSD.org, gnats-admin@netbsd.org,
	netbsd-bugs@netbsd.org
Subject: Re: port-alpha/36628: cdhdtape image panics with memory management trap on Jensen
Date: Thu, 19 Jul 2007 01:14:16 +0200

 >  but could you try this debug kernel?
 > 
 >  http://www.ceres.dti.ne.jp/~tsutsui/netbsd/cdhdtape-20070717.gz
 
 Well, this one is interesting, but not yet usable:
 
 =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
 =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
 mainbus0 (root)
 cpu0 at mainbus0: ID 0 (primary), 21064-0
 jensenio0 at mainbus0
 pckbc0 at jensenio0 port 0x60
 pms0 at pckbc0 (aux slot)
 pckbc0: aux slot interrupting at vector 0x990
 wsmouse0 at pms0 (mux ignored)
 com0 at jensenio0 port 0x3f8: ns8250 or ns16450, no fifo
 com0: console
 com0: interrupting at vector 0x900
 com1 at jensenio0 port 0x2f8: ns8250 or ns16450, no fifo
 com1: interrupting at vector 0x920
 lpt0 at jensenio0 port 0x3bc
 lpt0: interrupting at eisa irq 1
 mcclock0 at jensenio0 port 0x170: mc146818 or compatible
 eisa0 at jensenio0
 EISA config header at 0x1ac061000
 EISA config at 0x1a0000000
 EISA config stride: 512
 SLOT 0: offset 0x18386800 eisaid DEC2400
 SLOT 1: offset 0x18397000 eisaid ELS8041
 SLOT 2: offset 0x183b4800 eisaid ADP0002
 SLOT 3: offset 0x183c6400 eisaid CPQ6101
 SLOT 8: offset 0x00000008 eisaid =DD=DD=DD=DD=DD=DD=DD
 SLOT 9: offset 0x00009b63 eisaid =FF=FF=FF=FF=FF=FF=FF
 SLOT 10: offset 0xffffffff eisaid =FF=FF=FF=FF=FF=FF=FF
 SLOT 11: offset 0xffffffff eisaid =FF=FF=FF=FF=FF=FF=FF
 SLOT 12: offset 0xffffffff eisaid =FF=FF=FF=FF=FF=FF=FF
 SLOT 13: offset 0xffffffff eisaid =FF=FF=FF=FF=FF=FF=FF
 SLOT 14: offset 0xffffffff eisaid =FF=FF=FF=FF=FF=FF=FF
 SLOT 15: offset 0xffffffff eisaid =FF=FF=FF=FF=FF=FF=FF
 Reading config bytes to cdata[0] at 0x1b8386800
 Reading config bytes to cdata[1] at 0x1b8386a00
 Reading config bytes to cdata[2] at 0x1b8386c00
 Reading config bytes to cdata[3] at 0x1b8386e00
 Reading config bytes to cdata[4] at 0x1b8387000
 Reading config bytes to cdata[5] at 0x1b8387200
 Reading config bytes to cdata[6] at 0x1b8387400
 Reading config bytes to cdata[7] at 0x1b8387600
 Reading config bytes to cdata[8] at 0x1b8387800
 Reading config bytes to cdata[9] at 0x1b8387a00
 Reading config bytes to cdata[10] at 0x1b8387c00
 Reading config bytes to cdata[11] at 0x1b8387e00
 Reading config bytes to cdata[12] at 0x1b8388000
 Reading config bytes to cdata[13] at 0x1b8388200
 Reading config bytes to cdata[14] at 0x1b8388400
 Reading config bytes to cdata[15] at 0x1b8388600
 Reading config bytes to cdata[16] at 0x1b8388800
 Reading config bytes to cdata[17] at 0x1b8388a00
 Reading config bytes to cdata[18] at 0x1b8388c00
 Reading config bytes to cdata[19] at 0x1b8388e00
 Reading config bytes to cdata[20] at 0x1b8389000
 Reading config bytes to cdata[21] at 0x1b8389200
 Reading config bytes to cdata[22] at 0x1b8389400
 Reading config bytes to cdata[23] at 0x1b8389600
 Reading config bytes to cdata[24] at 0x1b8389800
 Reading config bytes to cdata[25] at 0x1b8389a00
 Reading config bytes to cdata[26] at 0x1b8389c00
 Reading config bytes to cdata[27] at 0x1b8389e00
 Reading config bytes to cdata[28] at 0x1b838a000
 Reading config bytes to cdata[29] at 0x1b838a200
 Reading config bytes to cdata[30] at 0x1b838a400
 Reading config bytes to cdata[31] at 0x1b838a600
 Reading config bytes to cdata[32] at 0x1b838a800
 Reading config bytes to cdata[33] at 0x1b838aa00
 Reading config bytes to cdata[34] at 0x1b838ac00
 Reading config bytes to cdata[35] at 0x1b838ae00
 Reading config bytes to cdata[36] at 0x1b838b000
 Reading config bytes to cdata[37] at 0x1b838b200
 Reading config bytes to cdata[38] at 0x1b838b400
 Reading config bytes to cdata[39] at 0x1b838b600
 Reading config bytes to cdata[40] at 0x1b838b800
 Reading config bytes to cdata[41] at 0x1b838ba00
 Reading config bytes to cdata[42] at 0x1b838bc00
 Reading config bytes to cdata[43] at 0x1b838be00
 Reading config bytes to cdata[44] at 0x1b838c000
 Reading config bytes to cdata[45] at 0x1b838c200
 Reading config bytes to cdata[46] at 0x1b838c400
 Reading config bytes to cdata[47] at 0x1b838c600
 Reading config bytes to cdata[48] at 0x1b838c800
 Reading config bytes to cdata[49] at 0x1b838ca00
 Reading config bytes to cdata[50] at 0x1b838cc00
 Reading config bytes to cdata[51] at 0x1b838ce00
 Reading config bytes to cdata[52] at 0x1b838d000
 Reading config bytes to cdata[53] at 0x1b838d200
 Reading config bytes to cdata[54] at 0x1b838d400
 Reading config bytes to cdata[55] at 0x1b838d600
 Reading config bytes to cdata[56] at 0x1b838d800
 Reading config bytes to cdata[57] at 0x1b838da00
 Reading config bytes to cdata[58] at 0x1b838dc00
 Reading config bytes to cdata[59] at 0x1b838de00
 Reading config bytes to cdata[60] at 0x1b838e000
 Reading config bytes to cdata[61] at 0x1b838e200
 Reading config bytes to cdata[62] at 0x1b838e400
 Reading config bytes to cdata[63] at 0x1b838e600
 Reading config bytes to cdata[64] at 0x1b838e800
 Reading config bytes to cdata[65] at 0x1b838ea00
 Reading config bytes to cdata[66] at 0x1b838ec00
 Reading config bytes to cdata[67] at 0x1b838ee00
 Reading config bytes to cdata[68] at 0x1b838f000
 Reading config bytes to cdata[69] at 0x1b838f200
 Reading config bytes to cdata[70] at 0x1b838f400
 Reading config bytes to cdata[71] at 0x1b838f600
 Reading config bytes to cdata[72] at 0x1b838f800
 Reading config bytes to cdata[73] at 0x1b838fa00
 Reading config bytes to cdata[74] at 0x1b838fc00
 Reading config bytes to cdata[75] at 0x1b838fe00
 Reading config bytes to cdata[76] at 0x1b8390000
 Reading config bytes to cdata[77] at 0x1b8390200
 Reading config bytes to cdata[78] at 0x1b8390400
 Reading config bytes to cdata[79] at 0x1b8390600
 Reading config bytes to cdata[80] at 0x1b8390800
 Reading config bytes to cdata[81] at 0x1b8390a00
 Reading config bytes to cdata[82] at 0x1b8390c00
 Reading config bytes to cdata[83] at 0x1b8390e00
 Reading config bytes to cdata[84] at 0x1b8391000
 Reading config bytes to cdata[85] at 0x1b8391200
 Reading config bytes to cdata[86] at 0x1b8391400
 Reading config bytes to cdata[87] at 0x1b8391600
 Reading config bytes to cdata[88] at 0x1b8391800
 Reading config bytes to cdata[89] at 0x1b8391a00
 Reading config bytes to cdata[90] at 0x1b8391c00
 Reading config bytes to cdata[91] at 0x1b8391e00
 Reading config bytes to cdata[92] at 0x1b8392000
 Reading config bytes to cdata[93] at 0x1b8392200
 Reading config bytes to cdata[94] at 0x1b8392400
 Reading config bytes to cdata[95] at 0x1b8392600
 Reading config bytes to cdata[96] at 0x1b8392800
 Reading config bytes to cdata[97] at 0x1b8392a00
 Reading config bytes to cdata[98] at 0x1b8392c00
 Reading config bytes to cdata[99] at 0x1b8392e00
 Reading config bytes to cdata[100] at 0x1b8393000
 Reading config bytes to cdata[101] at 0x1b8393200
 Reading config bytes to cdata[102] at 0x1b8393400
 Reading config bytes to cdata[103] at 0x1b8393600
 Reading config bytes to cdata[104] at 0x1b8393800
 Reading config bytes to cdata[105] at 0x1b8393a00
 Reading config bytes to cdata[106] at 0x1b8393c00
 Reading config bytes to cdata[107] at 0x1b8393e00
 Reading config bytes to cdata[108] at 0x1b8394000
 Reading config bytes to cdata[109] at 0x1b8394200
 Reading config bytes to cdata[110] at 0x1b8394400
 Reading config bytes to cdata[111] at 0x1b8394600
 Reading config bytes to cdata[112] at 0x1b8394800
 Reading config bytes to cdata[113] at 0x1b8394a00
 Reading config bytes to cdata[114] at 0x1b8394c00
 Reading config bytes to cdata[115] at 0x1b8394e00
 Reading config bytes to cdata[116] at 0x1b8395000
 Reading config bytes to cdata[117] at 0x1b8395200
 Reading config bytes to cdata[118] at 0x1b8395400
 Reading config bytes to cdata[119] at 0x1b8395600
 Reading config bytes to cdata[120] at 0x1b8395800
 Reading config bytes to cdata[121] at 0x1b8395a00
 Reading config bytes to cdata[122] at 0x1b8395c00
 Reading config bytes to cdata[123] at 0x1b8395e00
 Reading config bytes to cdata[124] at 0x1b8396000
 Reading config bytes to cdata[125] at 0x1b8396200
 Reading config bytes to cdata[126] at 0x1b8396400
 Reading config bytes to cdata[127] at 0x1b8396600
 Reading config bytes to cdata[128] at 0x1b8396800
 Reading config bytes to cdata[129] at 0x1b8396a00
 Reading config bytes to cdata[130] at 0x1b8396c00
 Reading config bytes to cdata[131] at 0x1b8396e00
 SLOT 0 compressed data length 132:
 0x01 0x00 0x01 0x01 0x00 0x01 0x10 0xbf 0x98 0x80 0x18 0xbf 0x98 0x80 
 0x20 0xbf 
 0x98 0x80 0x28 0xbf 0x98 0x80 0x11 0x01 0x27 0x55 0xa1 0x04 0x1d 0x10 
 0xa3 0x24 
 0x00 0x01 0x10 0xa3 0x24 0x00 0x01 0x11 0x00 0x1d 0x01 0x43 0x4f 0x4d 
 0x31 0x00 
 0xff 0x00 0x1a 0x10 0xa3 0x24 0x00 0x01 0x11 0x00 0x1d 0x01 0x43 0x4f 
 0x4d 0x32 
 0x00 0xff 0x00 0x1a 0x10 0xa3 0x24 0x00 0x01 0x11 0x00 0x1d 0x05 0x4c 
 0x50 0x54 
 0x31 0x00 0x8b 0x01 0x00 0x8d 0x10 0xa3 0x24 0x00 0x01 0x11 0x00 0x1d 
 0x1d 0x46 
 0x4c 0x4f 0x50 0x50 0x59 0x20 0x44 0x49 0x53 0x4b 0x20 0x43 0x4f 0x4e 
 0x54 0x52 
 0x4f 0x4c 0x4c 0x45 0x52 0x00 0x79 0x06 0x00 0x0d 0x02 0x00 0x07 0x07 
 0xf0 0x03 
 0x00 0x75 0x00 0x00 
 SLOT 0 uncompressed header data:
 0x01 0x00 0x01 0x00 0x10 0xbf 0x98 0x80 0x18 0xbf 0x98 0x80 0x20 0xbf 
 0x98 0x80 
 0x28 0xbf 0x98 0x80 0x11 0x01 0x27 0x55 0xa1 0x04 0x1d 0x10 0xa3 0x24 
 0x00 
 SLOT 0: ndevfuncs 4
 SLOT 0:0 uncompressed data:
 0x10 0xa3 0x24 0x00 0x11 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 
 0x00 0x00 
 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 
 0x00 0x00 
 0x00 0x00 0x01 0x43 0x4f 0x4d 0x31 0x00 0x00 0x00 0x00 0x00 0x00 0x00 
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 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 
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 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 
 0x00 0x00 
 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 
 0x00 0x00 
 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 
 0x00 0x00 
 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 
 0x00 0x00 
 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 
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 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 
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 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 
 0x00 0x00 
 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 
 0x00 0x00 
 0x01 0x00 0x01 0x01 0x00 0x01 0x10 0xbf 0x98 0x80 0x18 0xbf 0x98 0x80 
 0x20 0xbf 
 0x98 0x80 0x28 0xbf 0x98 0x80 0x11 0x01 0x27 0x55 0xa1 0x04 0x1d 0x10 
 0xa3 0x24 
 0x00 0x01 0x10 0xa3 0x24 0x00 0x01 0x11 0x00 0x1d 0x01 0x43 0x4f 0x4d 
 0x31 0x00 
 0xff 0x00 0x1a 0x10 0xa3 0x24 0x00 0x01 0x11 0x00 0x1d 0x01 0x43 0x4f 
 0x4d 0x32 
 0x00 0xff 0x00 0x1a 0x10 0xa3 0x24 0x00 0x01 0x11 0x00 0x1d 0x05 0x4c 
 0x50 0x54 
 0x31 0x00 0x8b 0x01 0x00 0x8d 0x10 0xa3 0x24 0x00 0x01 0x11 0x00 0x1d 
 0x1d 0x46 
 0x4c 0x4f 0x50 0x50 0x59 0x20 0x44 0x49 0x53 0x4b 0x20 0x43 0x4f 0x4e 
 0x54 0x52 
 0x4f 0x4c 0x4c 0x45 0x52 0x00 0x79 0x06 0x00 0x0d 0x02 0x00 0x07 0x07 
 0xf0 0x03 
 0x00 0x75 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 
 0x00 0x00 
 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 
 0x00 0x00 
 [...]
 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 
 0x00 0x00 
 CPU 0: fatal kernel trap:
 CPU 0    trap entry =3D 0x2 (memory management fault)
 CPU 0    a0         =3D 0xfffffe0000058000
 CPU 0    a1         =3D 0x1
 CPU 0    a2         =3D 0x0
 CPU 0    pc         =3D 0xfffffc00005903b0
 CPU 0    ra         =3D 0xfffffc00005903a4
 CPU 0    pv         =3D 0xfffffc00004974a0
 CPU 0    curlwp    =3D 0xfffffc0000bc3940
 CPU 0        pid =3D 0, comm =3D swapper
 panic: trap
 Stopped in pid 0.1 (swapper) at 0xfffffc00005da0c0:     ret     
 zero,(ra)
 db> 
 =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
 =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
 
 Regards, Christoph