Date: Fri, 06 May 2005 03:12:06 -0500 From: Jonathan Noack <noackjr@alumni.rice.edu> To: sos@freebsd.org Cc: freebsd-current@freebsd.org Subject: Re: panic: vm_fault: fault on nofault entry Message-ID: <427B26D6.5080208@alumni.rice.edu> In-Reply-To: <427B1DA1.3050901@alumni.rice.edu> References: <427B1DA1.3050901@alumni.rice.edu>
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This is an OpenPGP/MIME signed message (RFC 2440 and 3156) --------------enig5AF4E441B6DCD8C28F8AEB99 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: quoted-printable On 05/06/05 02:32, Jonathan Noack wrote: > For the last few days I have been getting a panic while probing devices= =20 > (a kernel from "Mon May 2 20:36:06 CDT 2005" works fine): >=20 > <snip> > ad4: 76319MB <WDC WD800JB-00CRA1 17.07W17> at ata2-master UDMA100 > ad6: 76319MB <WDC WD800JB-00CRA1 17.07W17> at ata3-master UDMA100 > unknown: WARNING - INQUIRY UDMA ICRC error (retrying request) > unknown: WARNING - INQUIRY requeued due to channel reset > unknown: WARNING - INQUIRY read data overrun 18>0 > panic: vm_fault: fault on nofault entry, addr: deadc000 > KDB: stack backtrace: > panic(c06c86f0,deadc000,1,e35e3b0c,e35e3afc) at panic+0x13a > vm_fault(c103b000,deadc000,1,0,c227f900) at vm_fault+0x1440 > trap_pfault(deadc31e,c05077c0,c070ede0,32c,deadc31e) at trap_pfault+0x8= 2 > trap(8,c0710028,c2340028,2d2,0) at trap+0x353 > calltrap() at calltrap+0x5 > --- trap 0xc, eip =3D 0xc04eb7b1, esp =3D 0xe35e3c1c, ebp =3D 0xe35e3c4= 0 --- > _mtx_lock_flags(deadc31e,0,c06a8d9c,2d2,c) at _mtx_lock_flags+0x2c > atapi_cb(c25014b0,e35e3ca0,c04eb997,c227649c,1) at atapi_cb+0x68 > ata_completed(c25014b0,1,c06b6c45,d7,c227649c) at ata_completed+0x114 > taskqueue_run(c2276480,0,c06b16b5,256,c070ede0) at taskqueue_run+0x8b > ithread_loop(c2276400,e35e3d38,c06b1496,30d,c2276400) at ithread_loop+0= x1ff > fork_exit(c04deb26,c2276400,e35e3d38) at fork_exit+0xa1 > fork_trampoline() at fork_trampoline+0x8 > --- trap 0x1, eip =3D 0, esp =3D 0xe35e3d6c, ebp =3D 0 --- > KDB: enter: panic > [thread pid 43 tid 100032 ] > Stopped at kdb_enter+0x32: leave > db> reset >=20 > Normally that section looks like this: >=20 > <snip> > ad4: 76319MB <WDC WD800JB-00CRA1 17.07W17> at ata2-master UDMA100 > ad6: 76319MB <WDC WD800JB-00CRA1 17.07W17> at ata3-master UDMA100 > da0 at asr0 bus 0 target 0 lun 0 > da0: <ADAPTEC RAID-0 370F> Fixed Direct Access SCSI-2 device > da0: Tagged Queueing Enabled > da0: 35003MB (71686144 512 byte sectors: 255H 63S/T 4462C) > cd0 at ata0 bus 0 target 0 lun 0 > cd0: <SONY CD-RW CRX300E KYS1> Removable CD-ROM SCSI-0 device > cd0: 3.300MB/s transfers > cd0: Attempt to query device size failed: NOT READY, Medium not present= > ATA PseudoRAID loaded > ar0: 76293MB <Promise Fasttrak RAID1 array> status: READY > ar0: disk0 READY (master) using ad4 at ata2-master > ar0: disk1 READY (mirror) using ad6 at ata3-master > Trying to mount root from ufs:/dev/da0s2a >=20 > This is trivially reproducible so if anyone needs more information from= =20 > ddb just ask and I'll reboot... I backed out src/sys/dev/ata to '2005-05-03 07:55:00 UTC' and everything works fine. S=F8ren, looks like your latest commit broke it. --=20 Jonathan Noack | noackjr@alumni.rice.edu | OpenPGP: 0x991D8195 --------------enig5AF4E441B6DCD8C28F8AEB99 Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.1 (FreeBSD) iD8DBQFCeybaUFz01pkdgZURAj4+AKCkbh40cjlEQB7m3rVbuvDaXxsFzgCfcqPO 40TFl5BGMXRjfm4fClk2iq4= =A4lq -----END PGP SIGNATURE----- --------------enig5AF4E441B6DCD8C28F8AEB99--
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