Date: Mon, 18 Feb 2002 03:48:26 -0800 From: Peter Wemm <peter@wemm.org> To: Bernd Walter <ticso@cicely8.cicely.de> Cc: alpha@FreeBSD.ORG, current@FreeBSD.ORG Subject: Re: OK, who broke alpha this time? :-/ Message-ID: <20020218114826.AAFF43A9A@overcee.wemm.org> In-Reply-To: <20020218063632.GA44861@cicely8.cicely.de>
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Bernd Walter wrote:
> On Sun, Feb 17, 2002 at 10:07:34PM -0800, Peter Wemm wrote:
> > ...
> > sio0 at port 0x3f8-0x3ff irq 4 on isa0
> > sio0: type 16550A, console
> > sio0: interrupting at ISA irq 4
> > sio1: reserved for low-level i/o
> > vga0: <Generic ISA VGA> at port 0x3c0-0x3df iomem 0xa0000-0xbffff on isa0
> > Timecounter "i8254" frequency 1193182 Hz
> > ata0-slave: timeout waiting for interrupt
> > ata0-slave: ATAPI identify failed
> > acd0: CDROM <CD-540E> at ata0-master PIO4
> > Waiting 2 seconds for SCSI devices to settle
> > Mounting root from ufs:/dev/da0a
> > da0 at ahc0 bus 0 target 0 lun 0
> > da0: <SEAGATE ST318404LW 0006> Fixed Direct Access SCSI-3 device
> > da0: 80.000MB/s transfers (40.000MHz, offset 63, 16bit), Tagged Queueing En
abled
> > da0: 17501MB (35843670 512 byte sectors: 255H 63S/T 2231C)
> > da1 at ahc0 bus 0 target 1 lun 0
> > da1: <IBM DMVS18V 0250> Fixed Direct Access SCSI-3 device
> > da1: 80.000MB/s transfers (40.000MHz, offset 31, 16bit), Tagged Queueing En
abled
> > da1: 17501MB (35843670 512 byte sectors: 255H 63S/T 2231C)
> > ^T
> load: 0.16 cmd: init 8 [inode] 0.00u 0.00s 0% 416k
> > ^T
> > load: 0.16 cmd: init 8 [inode] 0.00u 0.00s 0% 416k
> > [forever]
> >
> > http://people.freebsd.org/~peter/alphadmesg.txt
> >
> > It seems that locking has been hosed somehow.
>
> Just guessing:
> John Baldwin had enabled interrupt thread preemption some days ago.
> src/sys/alpha/alpha/interrupt.c rev 1.61
> Maybe it also enabled some hidden bug.
>
> I hope to have one of my machines on -current later that day to
> compare.
Actually, it appears to be rev 1.131 of kern/vfs_vnops.c (suggested by
phk, that revision panics his i386 diskless boots).
Cheers,
-Peter
--
Peter Wemm - peter@FreeBSD.org; peter@yahoo-inc.com; peter@netplex.com.au
"All of this is for nothing if we don't go to the stars" - JMS/B5
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