[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] PV guest of Linux 2.6.34-rc1 hangs..rip: ffffffff817d8759 free_early_partial+0x2d
FWIW I fixed a hang in the tip tree (which may now be in 2.6.34-rc1) in roughly this area with a very similar stack trace not so very long ago. See https://patchwork.kernel.org/patch/83756/ Perhaps you are seeing a different manifestation of the same issue? Ian. On Fri, 2010-03-19 at 15:25 +0000, Konrad Rzeszutek Wilk wrote: > 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: > [<ffffffff817d8759>] free_early_partial+0x2d <-- > [<ffffffff817cacd2>] pcpu_fc_free+0x1d > [<ffffffff817de3c5>] pcpu_embed_first_chunk+0x159 > [<ffffffff817cacd6>] pcpu_fc_free+0x21 > [<ffffffff817cacb5>] pcpup_populate_pte+0xb > [<ffffffff817caaf3>] setup_per_cpu_areas+0x82 > [<ffffffff817c0af0>] start_kernel+0x14e > [<ffffffff817c02bc>] x86_64_start_reservations+0xa7 > [<ffffffff817c333d>] 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? > > _______________________________________________ > Xen-devel mailing list > Xen-devel@xxxxxxxxxxxxxxxxxxx > http://lists.xensource.com/xen-devel _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel
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