From mboxrd@z Thu Jan 1 00:00:00 1970 From: Konrad Rzeszutek Wilk Subject: PV guest of Linux 2.6.34-rc1 hangs..rip: ffffffff817d8759 free_early_partial+0x2d Date: Fri, 19 Mar 2010 11:25:02 -0400 Message-ID: <20100319152502.GA19472@phenom.dumpdata.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xensource.com Errors-To: xen-devel-bounces@lists.xensource.com To: xen-devel@lists.xensource.com List-Id: xen-devel@lists.xenproject.org For the fun of it, I tried to boot 2.6.34-rc1 as PV guest and it just hangs (1 CPU, 512MB). xenctx shows this: sh-3.1# xenctx 1008 -s /System.map rip: ffffffff817d8759 free_early_partial+0x2d flags: 00001202 i nz rsp: ffffffff816ffe58 rax: ffff880000016300 rcx: 0000000001946668 rdx: ffff880000016000 rbx: 0000000007620000 rsi: 0000000000000040 rdi: 0000000000000019 rbp: ffffffff816ffe68 r8: 0000000007604000 r9: 0000000000000fff r10: 0000000007620000 r11: ffff880000016400 r12: 0000000007620000 r13: ffffffffffffffff r14: 000000000001c000 r15: ffff880001953050 cs: e033 ss: e02b ds: 0000 es: 0000 fs: 0000 @ 0000000000000000 gs: 0000 @ ffffffff817ab000/0000000000000000 Code (instr addr ffffffff817d8759) 03 00 31 ff 48 89 d0 eb 10 4c 3b 20 76 05 48 39 cb 72 13 ff c7 <48> 83 c0 20 39 f7 7d 39 48 8b 48 Stack: 0000000000000000 ffff880001954000 ffffffff816ffe88 ffffffff817cacd2 ffffffffffffffff ffff880001953000 ffffffff816fff28 ffffffff817de3c5 ffffffff816ffec8 ffffffff817fb960 ffffffff817fce90 ffff880007604000 ffff880007604000 ffff880001953040 ffffffff817cacd6 ffff880001953000 Call Trace: [] free_early_partial+0x2d <-- [] pcpu_fc_free+0x1d [] pcpu_embed_first_chunk+0x159 [] pcpu_fc_free+0x21 [] pcpup_populate_pte+0xb [] setup_per_cpu_areas+0x82 [] start_kernel+0x14e [] x86_64_start_reservations+0xa7 [] xen_start_kernel+0x52b I haven't taken a look any further than that, has anybody seen this or maybe is itching to dig in the kernel to figure this out?