Date: Wed, 14 Feb 2018 06:09:51 -0800 From: Cy Schubert <Cy.Schubert@cschubert.com> To: David Wolfskill <david@catwhisker.org>, "current@freebsd.org" <current@freebsd.org> Subject: RE: Crash during boot [g_part_wither()?] @r329259 Message-ID: <20180214140947.94ECBA2A@spqr.komquats.com>
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Try reverting this https://svnweb.freebsd.org/changeset/base/329225 for now= . --- Sent using a tiny phone keyboard. Apologies for any typos and autocorrect. Also, this old phone only supports top post. Apologies. Cy Schubert <Cy.Schubert@cschubert.com> or <cy@freebsd.org> The need of the many outweighs the greed of the few. --- -----Original Message----- From: David Wolfskill Sent: 14/02/2018 05:04 To: current@freebsd.org Subject: Crash during boot [g_part_wither()?] @r329259 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: ... 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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