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Date:      Fri, 19 Feb 99 19:33:01 -0800
From:      Rahul Dhesi <dhesi@rahul.net>
To:        stable@freebsd.org
Subject:   3.1-RELEASE crash dump with -g kernel, 'page fault in kernel mode'
Message-ID:  <199902200333.AA27605@waltz.rahul.net>

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I am now running 3.1-RELEASE with a kernel that was compiled with -g,
and I have a crash dump available.  If anybody is interested in getting
more details, I will be happy to provide them to you -- please contact
me.  Below is a little of what I have.  This particular problem (page
fault in kernel mode) has been occurring with various STABLE snapshots.

Rahul


Fatal trap 12: page fault while in kernel mode
fault virtual address   = 0x48
fault code              = supervisor write, page not present

...

(kgdb) where
#0  0xf015d86b in boot ()
#1  0xf015daf0 in at_shutdown ()
#2  0xf024c305 in trap_fatal ()
#3  0xf024bfe3 in trap_pfault ()
#4  0xf024bc5a in trap ()
#5  0xf02117c8 in acquire_lock ()
#6  0xf021440e in softdep_disk_io_initiation ()
#7  0xf018caba in spec_strategy ()
#8  0xf018c24d in spec_vnoperate ()
#9  0xf021fe75 in ufs_vnoperatespec ()
#10 0xf021f87b in ufs_strategy ()
#11 0xf021fe45 in ufs_vnoperate ()
#12 0xf017a023 in bwrite ()
#13 0xf017e55a in vop_stdbwrite ()
#14 0xf017e3a5 in vop_defaultop ()
#15 0xf021fe45 in ufs_vnoperate ()
#16 0xf017a9b7 in vfs_bio_awrite ()
#17 0xf021966b in ffs_fsync ()
#18 0xf0217b7b in ffs_sync ()
#19 0xf0182e6f in sync ()
#20 0xf015d6b1 in boot ()
#21 0xf015daf0 in at_shutdown ()
#22 0xf024c305 in trap_fatal ()
---Type <return> to continue, or q <return> to quit---
#23 0xf024bfe3 in trap_pfault ()
#24 0xf024bc5a in trap ()
#25 0xf01eb2ad in tulip_rx_intr ()
#26 0xf01eb9f3 in tulip_intr_handler ()
#27 0xf01ebb51 in tulip_intr_normal ()

== END ==


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