Date: Wed, 14 Feb 2018 05:02:20 -0800 From: David Wolfskill <david@catwhisker.org> To: current@freebsd.org Subject: Crash during boot [g_part_wither()?] @r329259 Message-ID: <20180214130220.GS1180@albert.catwhisker.org>
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I got one of these on each of my laptop and build machine; details
beelow are from the build machine (which has a serial console and
runs a vanilla GENERC kernel).
Previous (successful) builld was r329197 (for both machines), yesterday.
Copy/paste from serial console:
=2E..
da1: Serial Number 20100818841300000
da1: 40.000MB/s transfers
da1: Attempt to query device size failed: NOT READY, Medium not present
da1: quirks=3D0x2<NO_6_BYTE>
ugen0.3: <Dell Dell USB Entry Keyboard> at usbus0
da1: Delete methods: <NONE(*),ZERO>
ukbd0 on uhub1
ukbd0: <Dell Dell USB Entry Keyboard, class 0/0, rev 1.10/1.78, addr 2> on =
usbus0
pass8 at umass-sim0 bus 0 scbus6 target 0 lun 2
kbd2 at ukbd0
kbd2: ukbd0, generic (0), config:0x0, flags:0x3d0000pass8: <Generic- SD/MMC=
1.00> Removable Direct Access SCSI device
pass8: Serial Number 20100818841300000
pass8: 40.000MB/s transfersrandom: harvesting attach, 8 bytes (4 bits) from=
ukbd0
da2 at umass-sim0 bus 0 scbus6 target 0 lun 2
da2: <Generic- SD/MMC 1.00> Removable Direct Access SCSI device
da2: Serial Number 20100818841300000
da2: 40.000MB/s transfers
da2: Attempt to query device size failed: NOT READY, Medium not present
da2: quirks=3D0x2<NO_6_BYTE>
da2: Delete methods: <NONE(*),ZERO>
(probe0:umass-sim0:0:0:3): Down reving Protocol Version from 2 to 0?
Fatal trap 12: page fault while in kernel mode
pass9 at umass-sim0 bus 0 scbus6 target 0 lun 3
cpuid =3D 4; apic id =3D 04
fault virtual address =3D 0x78
pass9: <Generic- M.S./M.S.Pro/HG 1.00> Removable Direct Access SCSI device
fault code =3D supervisor write data, page not present
pass9: Serial Number 20100818841300000
ugen0.4: <Broadcom Corp BCM43142A0> at usbus0
pass9: 40.000MB/s transfersinstruction pointer =3D 0x20:0xffffffff80a20c87
stack pointer =3D 0x28:0xfffffe0000428a10
da3 at umass-sim0 bus 0 scbus6 target 0 lun 3
da3: <Generic- M.S./M.S.Pro/HG 1.00> Removable Direct Access SCSI device
da3: Serial Number 20100818841300000
da3: 40.000MB/s transfers
da3: Attempt to query device size failed: NOT READY, Medium not present
da3: quirks=3D0x2<NO_6_BYTE>
frame pointer =3D 0x28:0xfffffe0000428a30
da3: Delete methods: <NONE(*),ZERO>
code segment =3D base 0x0, limit 0xfffff, type 0x1b
=3D DPL 0, pres 1, long 1, def32 0, gran 1
processor eflags =3D interrupt enabled, resume, IOPL =3D 0
current process =3D 13 (g_event)
[ thread pid 13 tid 100044 ]
Stopped at g_part_wither+0x37: movq $0,offset+0x40(%rdi)
db> bt
Tracing pid 13 tid 100044 td 0xfffff800039d2000
g_part_wither() at g_part_wither+0x37/frame 0xfffffe0000428a30
g_run_events() at g_run_events+0x344/frame 0xfffffe0000428a70
fork_exit() at fork_exit+0x84/frame 0xfffffe0000428ab0
fork_trampoline() at fork_trampoline+0xe/frame 0xfffffe0000428ab0
--- trap 0, rip =3D 0, rsp =3D 0, rbp =3D 0 ---
db>=20
(This is still using the Forth loader, FWIW.)
On the laptop, I tried issuing the "panic" command (within ddb), and got
a core file, but the result appears to be a 'panic: from debugger', and
the stack trace doesn't reflect the above, so it's not clear to me that
that was a useful thing for me to have done.
Is there some poking I can do to this to shed more light?
Peace,
david
--=20
David H. Wolfskill david@catwhisker.org
The circus around that memo helps confirm that Mr. Trump is unfit for offic=
e.
See http://www.catwhisker.org/~david/publickey.gpg for my public key.
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