Date: Thu, 31 Oct 2013 13:36:20 -0400 From: John Baldwin <jhb@freebsd.org> To: freebsd-amd64@freebsd.org Cc: freebsd-gnats-submit@freebsd.org, Torbjorn Granlund <tg@gmplib.org> Subject: Re: amd64/183397: Kernel panic at first incoming ssh Message-ID: <201310311336.20479.jhb@freebsd.org> In-Reply-To: <201310281335.r9SDZ3IB066868@oldred.freebsd.org> References: <201310281335.r9SDZ3IB066868@oldred.freebsd.org>
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On Monday, October 28, 2013 9:35:03 am Torbjorn Granlund wrote: > > >Number: 183397 > >Category: amd64 > >Synopsis: Kernel panic at first incoming ssh > >Confidential: no > >Severity: non-critical > >Priority: low > >Responsible: freebsd-amd64 > >State: open > >Quarter: > >Keywords: > >Date-Required: > >Class: sw-bug > >Submitter-Id: current-users > >Arrival-Date: Mon Oct 28 13:40:00 UTC 2013 > >Closed-Date: > >Last-Modified: > >Originator: Torbjorn Granlund > >Release: 10.0 BETA2 > >Organization: > KTH > >Environment: > FreeBSD foo.gmplib.org 10.0-BETA2 FreeBSD 10.0-BETA2 #0 r257166: Sat Oct 26 19:23:22 UTC 2013 root@snap.freebsd.org:/usr/obj/usr/src/sys/GENERIC amd64 > >Description: > Environment: > > Hardware is an Intel Haswell with 8 GB quality RAM > Virtualised using Xen 4.2 with NetBSD Dom0 > > Fresh vanilla FreeBSD 10.0 BETA2 install. > > At first ssh into the system, it gets a panic. Some basic > networking works, including telnet to the ssh port. > > I've tried giving 256MiB and 512MiB to the FreeBSD guest. The panic > happend in both cases. > > Here is the retyped console output: > > xn_rxeof: WARNING: response is -1! > xn_rxeof: WARNING: response is -1! > > Fatal trap 12: page fault whle in kernel mode > cpuid = 0: apic id = 00 > fault virtual address = 0x1 > fault code = supervisor read data, page not present > instruction pointer = 0x20:0xffffffff8079e010 > stack pointer = 0x28:0xfffffe001b2509a0 > frame pointer = 0x28:0xfffffe001b2598f0 > code segment = base 0x0, limit 0xfffff, type 0x1b > = DPL 0, prec 1, long 1, def32 0, gran 1 > processor eflags = interrupt enabled, resume, IOPL = 0 > current process = 12 (irq771: xn0) > trap number = 12 > panic: page fault > cpuid = 0 > KDB: stack backtrace: > (got tired of copying data here, vnc console will not allow me to > cut-and-paste. If this data is needed, I can make a screen dump.) The contents of the stack trace would indeed be very valuable. -- John Baldwin
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