I think this might be related to my FFS panics under 1.3.x and 1.4.x
on a Sparc 5.  I realize they're different machines, but the pattern looks
similar, and the behavior you describe seems similar as well.
-Brian
On Apr 25, 10:28pm, Greg A. Woods wrote:
} Subject: Re: suddenly my sparcs are crashing left, right, and centre!
} [ On Tuesday, April 25, 2000 at 11:58:01 (-0700), Eduardo Horvath wrote: ]
} > Subject: Re: suddenly my sparcs are crashing left, right, and centre!
} >
} > We really need symbols.  You can generate them by running gdb on the
} > kernel image and using the `disassem <addr>' command on each of the above
} > pc values, or using objdump to generate a disassembly listing of the
} > kernel.
} 
} I figured as much....
} 
} BTW, there hasn't been a crash since I backed out my most recent version
} of smail -- it's almost certainly the cause...
} 
} Here's some more info:
} 
} trap type 0x7: pc=0xf010e450 npc=0xf010e454 psr=118000c0<S,PS>
} panic: alignment fault
} syncing disks... 6 6 3 done
} Frame pointer is at 0xf1a55bb0
} Call traceback:
}   pc = 0xf010c480 <cpu_reboot+196>:            call  0xf010c6d4 <dumpsys>
} 	  args = (0x0, 0x11000fe5, 0xf013e000, 0xf1a55cd0, 0xf1a55c60, 0x0, 0xf1a55c18) fp = 0xf1a55c18
}   pc = 0xf0034354 <panic+80>:                  call  0xf010c3bc <cpu_reboot>
} 	  args = (0x100, 0x0, 0x1, 0xf1a55d40, 0xf1a55cc8, 0x0, 0xf1a55c80) fp = 0xf1a55c80
}   pc = 0xf0112dd4 <trap+200>:                  call  0xf0034304 <panic>
} 	  args = (0xf0112b70, 0x100, 0x1, 0xf010e454, 0xf1a55d48, 0xf014a000, 0xf1a55ce8) fp = 0xf1a55ce8
}   pc = 0xf00064ec <slowtrap+292>:              call  0xf0112d0c <trap>
} 	  args = (0x7, 0x118000c0, 0xf010e450, 0xf1a55df0, 0xef, 0xf0142800, 0xf1a55d90) fp = 0xf1a55d90
}   pc = 0xf00df808 <vm_map_lookup_done+60>:     call  0xf0028500 <lockmgr>
} 	  args = (0x8, 0x900ea007, 0x0, 0x0, 0xf01c49f0, 0x80003f1b, 0xf1a55e40) fp = 0xf1a55e40
}   pc = 0xf0113778 <mem_access_fault+384>:      call  0xf010e3d8 <mmu_pagein>
} 	  args = (0xf08da180, 0x63000, 0x0, 0x62ffc, 0x0, 0xf1a55e94, 0xf1a55ea8) fp = 0xf1a55ea8
}   pc = 0xf000636c <normal_mem_fault+40>:       call  0xf01135f8 <mem_access_fault>
} 	  args = (0xf08e2900, 0x8080, 0x63000, 0x11ff8, 0x11400083, 0xf1a55fb0, 0xf1a55f50) fp = 0xf1a55f50
}   pc = 0x11fd0  args = (0x46, 0x62010, 0x11f64, 0x11f64, 0x11000084, 0xf1a55fb0, 0xeffff4d8) fp = 0xeffff4d8
} rebooting
} 
} (gdb says "No function contains specified address" for the last one....)
} 
} -- 
} 							Greg A. Woods
} 
} +1 416 218-0098      VE3TCP      <gwoods@acm.org>      <robohack!woods>
} Planix, Inc. <woods@planix.com>; Secrets of the Weird <woods@weird.com>
>-- End of excerpt from Greg A. Woods