From: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
To: Mark Schneider <ms@it-infrastrukturen.org>
Cc: xen-devel@lists.xensource.com
Subject: Re: Reporting some xen 4.1.2* issues like limitations to 4 VCPUs for debian squeeze HVMs
Date: Wed, 24 Aug 2011 17:02:03 -0400 [thread overview]
Message-ID: <20110824210203.GE27865@dumpdata.com> (raw)
In-Reply-To: <4E46CBF9.8090700@it-infrastrukturen.org>
> [ 0.024001] installing Xen timer for CPU 1
> [ 0.024001] BUG: unable to handle kernel NULL pointer dereference at 0000000000000018
> [ 0.024001] IP: [<ffffffff810e7f7a>] __kmalloc+0xc0/0x141
> [ 0.024001] PGD 0
> [ 0.024001] Oops: 0000 [#1] SMP
> [ 0.024001] last sysfs file:
> [ 0.024001] CPU 1
> [ 0.024001] Modules linked in:
> [ 0.024001] Pid: 0, comm: swapper Not tainted 2.6.32-5-amd64 #1 HVM domU
> [ 0.024001] RIP: 0010:[<ffffffff810e7f7a>] [<ffffffff810e7f7a>] __kmalloc+0xc0/0x141
> [ 0.744015] Stuck ??
> [ 0.744015] Booting processor 3 APIC 0x6 ip 0x6000
> [ 0.024001] Initializing CPU#3
> [ 0.024001] RSP: 0018:ffff88020f0b5d88 EFLAGS: 00010046
> [ 0.024001] RAX: 0000000000000001 RBX: 00000000000000d0 RCX: 0000000200000010
> [ 0.024001] RDX: 0000000000000000 RSI: 00000000000000d0 RDI: ffffffff81196c8d
> [ 0.024001] RBP: 0000000000000246 R08: 000000000000000a R09: 0000000000000000
> [ 0.024001] R10: 0000000000000000 R11: 00000000000186a0 R12: ffffffff81453f10
> [ 0.024001] R13: 00000000000000d0 R14: 00000000000000d0 R15: 0000000000000007
> [ 0.024001] FS: 0000000000000000(0000) GS:ffff880008c20000(0000) knlGS:0000000000000000
> [ 0.024001] CS: 0010 DS: 0018 ES: 0018 CR0: 000000008005003b
> [ 0.024001] CR2: 0000000000000018 CR3: 0000000001001000 CR4: 00000000000006e0
> [ 0.024001] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
> [ 0.024001] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
> [ 0.024001] Process swapper (pid: 0, threadinfo ffff88020f0b4000, task ffff88020f093880)
> [ 0.024001] Stack:
> [ 0.024001] ffffffffffffffff ffffffff81196c8d 0000003608c20000 00000000000000d0
> [ 0.024001]<0> ffff88020f0b5e38 0000000000000007 ffffffff813a0fcd 0000000000000000
> [ 0.024001]<0> 0000000000000000 ffffffff81196c8d 0000000000000000 0000000000000000
> [ 0.024001] Call Trace:
> [ 0.024001] [<ffffffff81196c8d>] ? kvasprintf+0x41/0x68
> [ 0.024001] [<ffffffff81196c8d>] ? kvasprintf+0x41/0x68
> [ 0.024001] [<ffffffff81196cfd>] ? kasprintf+0x49/0x54
> [ 0.024001] [<ffffffff8119774b>] ? __bitmap_weight+0x3a/0x7e
> [ 0.024001] [<ffffffff812f5a8f>] ? set_cpu_sibling_map+0x2f4/0x311
> [ 0.024001] [<ffffffff8100dee4>] ? xen_setup_timer+0x2c/0xa2
> [ 0.024001] [<ffffffff8100df71>] ? xen_hvm_setup_cpu_clockevents+0x17/0x1d
> [ 0.024001] [<ffffffff812f5c6a>] ? start_secondary+0x17c/0x185
> [ 0.024001] Code: 10 74 05 e8 90 33 21 00 9c 58 66 66 90 66 90 48 89 c5 fa 66 66 90 66 66 90 65 8b 04 25 a8 e3 00 00 48 98 49 8b 94 c4 f0 02 00 00<8b> 4a 18 89 4c 24 14 48 8b 1a 48 85 db 74 0c 8b 42 14 48 8b 04
> [ 0.024001] RIP [<ffffffff810e7f7a>] __kmalloc+0xc0/0x141
This looks vagualy familiar. Like this:
https://lkml.org/lkml/2011/7/8/127
I wonder if the kernel is just compiled with MAX_CPUs of 4 and we try to stuff
more in and end up well, hitting disaster zone.
Is there a .config of this kernel?
next prev parent reply other threads:[~2011-08-24 21:02 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-08-08 14:17 Block front and back connection Daniel Castro
2011-08-08 17:38 ` Pasi Kärkkäinen
2011-08-08 23:26 ` Reporting some xen 4.1.2* and 4.0 issues like limitations to 4 VCPUs for debian squeeze HVMs etc Mark Schneider
2011-08-09 0:55 ` Pasi Kärkkäinen
2011-08-09 21:05 ` Mark Schneider
2011-08-13 18:39 ` Pasi Kärkkäinen
2011-08-13 19:09 ` Reporting some xen 4.1.2* issues like limitations to 4 VCPUs for debian squeeze HVMs Mark Schneider
2011-08-23 17:57 ` Stefano Stabellini
2011-08-23 17:55 ` Pasi Kärkkäinen
2011-08-23 18:10 ` Stefano Stabellini
2011-08-23 18:45 ` Pasi Kärkkäinen
2011-08-23 18:54 ` Stefano Stabellini
2011-08-24 21:02 ` Konrad Rzeszutek Wilk [this message]
2011-08-25 20:09 ` Mark Schneider
2011-08-26 12:19 ` Stefano Stabellini
2011-08-09 2:27 ` Block front and back connection Wei Liu
2011-08-09 8:38 ` Daniel Castro
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