From mboxrd@z Thu Jan  1 00:00:00 1970
From: Wei Liu <wei.liu2@citrix.com>
Subject: Re: [xen-unstable test] 64494: regressions - FAIL
Date: Wed, 18 Nov 2015 15:59:56 +0000
Message-ID: <20151118155956.GO1495@citrix.com>
References: <osstest-64494-mainreport@xen.org>
	<20151118144945.GA16306@citrix.com> <564C9F3A.7010409@suse.com>
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To: Juergen Gross <jgross@suse.com>
Cc: xen-devel@lists.xensource.com, Wei Liu <wei.liu2@citrix.com>, osstest service owner <osstest-admin@xenproject.org>
List-Id: xen-devel@lists.xenproject.org

On Wed, Nov 18, 2015 at 04:54:34PM +0100, Juergen Gross wrote:
> On 18/11/15 15:49, Wei Liu wrote:
> > Hi Juergen
> > 
> > Looks like there is something we missed after all.
> > 
> > On Wed, Nov 18, 2015 at 02:31:57PM +0000, osstest service owner wrote:
> >> flight 64494 xen-unstable real [real]
> >> http://logs.test-lab.xenproject.org/osstest/logs/64494/
> >>
> >> Regressions :-(
> >>
> >> Tests which did not succeed and are blocking,
> >> including tests which could not be run:
> > 
> >>  test-amd64-amd64-i386-pvgrub 10 guest-start               fail REGR. vs. 64035
> > 
> > Nov 18 05:11:19.753014 (d2) Bootstrapping...
> > Nov 18 05:11:19.769108 (d2) Xen Minimal OS!
> > Nov 18 05:11:19.769134 (d2)   start_info: 0xa13000(VA)
> > Nov 18 05:11:19.769158 (d2)     nr_pages: 0x20000
> > Nov 18 05:11:19.777046 (d2)   shared_inf: 0xca1fc000(MA)
> > Nov 18 05:11:19.777072 (d2)      pt_base: 0xa16000(VA)
> > Nov 18 05:11:19.785042 (d2) nr_pt_frames: 0xb
> > Nov 18 05:11:19.785077 (d2)     mfn_list: 0x993000(VA)
> > Nov 18 05:11:19.785108 (d2)    mod_start: 0x0(VA)
> > Nov 18 05:11:19.785135 (d2)      mod_len: 0
> > Nov 18 05:11:19.793047 (d2)        flags: 0x0
> > Nov 18 05:11:19.793077 (d2)     cmd_line: (hd0,0)/boot/grub/menu.lst
> > Nov 18 05:11:19.793108 (d2)        stack: 0x972580-0x992580
> > Nov 18 05:11:19.801150 (d2) MM: Init
> > Nov 18 05:11:19.801181 (d2)       _text: 0x0(VA)
> > Nov 18 05:11:19.801197 (d2)      _etext: 0x7b22d(VA)
> > Nov 18 05:11:19.809104 (d2)    _erodata: 0xa4000(VA)
> > Nov 18 05:11:19.809123 (d2)      _edata: 0xa81a8(VA)
> > Nov 18 05:11:19.809138 (d2) stack start: 0x972580(VA)
> > Nov 18 05:11:19.817062 (d2)        _end: 0x992b30(VA)
> > Nov 18 05:11:19.817099 (d2)   start_pfn: a24
> > Nov 18 05:11:19.817125 (d2)     max_pfn: 20000
> > Nov 18 05:11:19.825037 (d2) Mapping memory range 0x1000000 - 0x20000000
> > Nov 18 05:11:19.825071 (d2) setting 0x0-0xa4000 readonly
> > Nov 18 05:11:19.825100 (d2) skipped 1000
> > Nov 18 05:11:19.833049 (d2) MM: Initialise page allocator for b1c000(b1c000)-20000000(20000000)
> > Nov 18 05:11:19.833089 (d2) Page fault at linear address c00008, eip 5fc70, regs 0x98ff28, sp b1c000, our_sp 0x98fefc, code 2
> > Nov 18 05:11:19.849044 (d2) Page fault in pagetable walk (access to invalid memory?).
> > 
> > The pvgrub in used is 32 bit. 64 bit (which I myself tested) seemed to
> > be working fine.
> 
> Hmm. I'll try again to make pvgrub work (more or less).
> 
> Wei, in case you want to try to reproduce the problem: could you
> try to map the eip to function + offset?
> 

I'm working on something else at the moment. I will have a go at this
tomorrow.

Wei.

> 
> Juergen
>