Date: Sat, 15 Jul 1995 22:21:58 -0700 From: David Greenman <davidg@Root.COM> To: Mike Pritchard <mpp@legarto.minn.net> Cc: current@freebsd.org Subject: Re: current kernel panics at boot Message-ID: <199507160524.WAA01052@corbin.Root.COM> In-Reply-To: Your message of "Sat, 15 Jul 95 20:57:06 CDT." <199507160157.UAA00287@mpp.minn.net>
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>I am unable to boot a -current kernel (supped within the
>last 1/2 hour). It panics at boot time right after the probes
>complete with the following message:
>
>panic: vm_page_alloc: offset not page aligned
>
>The panic is within a #DIAGNOSTIC ifdef block. The last good kernel
>I have was built from sources supped sometime during the morning on
>7/13, and that kernel does contain the new vm changes.
>
>Here is a traceback from the dump. I don't have time right now
>to examine this any further.
>
>Reading symbol data from /usr/var/crash/kernel.12...done.
>IdlePTD 2c2000
>panic: vm_page_alloc: offset not page aligned
>current pcb at 1ea420
>(kgdb) bt
>#0 boot (arghowto=256) (../../i386/i386/machdep.c line 867)
>867 (../../i386/i386/machdep.c)
>#1 0xf01185f5 in panic ()
>#2 0xf01a46fc in vm_page_alloc (object=(vm_object_t) 0xf07a0500, offset=0x0000201c, page_req=0) (../../vm/vm_page.c line 553)
>#3 0xf019dbeb in vm_fault (map=(vm_map_t) 0xf07bd300, vaddr=0xefc0001c, fault_type=2, change_wiring=0) (../../vm/vm_fault.c line 314)
>#4 0xf01b1dcb in trap_pfault (frame=(struct trapframe *) 0xefbfffbc, usermode=1) (../../i386/i386/trap.c line 586)
>#5 0xf01b199b in trap (frame={tf_es = 39, tf_ds = 39, tf_edi = 2945024, tf_esi = -272638256, tf_ebp = -272638356, tf_isp = -272629788, tf_ebx = 8408, tf_edx = 1, tf_ecx = 0, tf_eax = 1, tf_trapno = 12, tf_err = 4, tf_eip = 30117, tf_cs = 31, tf_eflags = 66182, tf_esp = -272638404, tf_ss = 39}) (../../i386/i386/trap.c line 221)
>(kgdb)
>
>
>The first bad kernel I have is from sup run at 03:00 CST today (7/15),
>so whatever broke this probably went in between then and sometime
>during the morning on 7/13, although it could very well be the
>big vm change.
I'll fix it tonight. Thanks for the report.
-DG
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