[Xen-devel] pvops bug

To:	xen-devel@xxxxxxxxxxxxxxxxxxx
Subject:	[Xen-devel] pvops bug
From:	Dulloor <dulloor@xxxxxxxxx>
Date:	Mon, 22 Jun 2009 03:35:59 -0400
Delivery-date:	Mon, 22 Jun 2009 00:36:22 -0700
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I hit the following bug when compiling the source code. I am booted into pvops (xen-tip/next). If this is not a known issue, I will look more into it.

-dulloor

[ 6947.111255] Pid: 27629, comm: cc1 Tainted: G D (2.6.30-rc6-tip #2) Precision WorkStation 390
[ 6947.111255] EIP: 0061:[<c03e1ea5>] EFLAGS: 00000297 CPU: 1
[ 6947.111255] EIP is at _spin_lock+0x15/0x20
[ 6947.111255] EAX: e02ed980 EBX: e02ed980 ECX: e0b812c0 EDX: 0000f3f2
[ 6947.111255] ESI: e0b810b0 EDI: 40000000 EBP: d0217ec4 ESP: d0217ec4
[ 6947.111255] DS: 007b ES: 007b FS: 00d8 GS: 0000 SS: 0069
[ 6947.111255] CR0: 8005003b CR2: 4002b000 CR3: 08159000 CR4: 00002660
[ 6947.111255] DR0: 00000000 DR1: 00000000 DR2: 00000000 DR3: 00000000
[ 6947.111255] DR6: ffff0ff0 DR7: 00000400
[ 6947.111255] Call Trace:
[ 6947.111255] [<c01c7e9d>] anon_vma_unlink+0x1d/0x70
[ 6947.111255] [<c01be7be>] free_pgtables+0x4e/0xb0
[ 6947.111255] [<c01c53a8>] exit_mmap+0xc8/0x150
[ 6947.111255] [<c0140356>] mmput+0x36/0xa0
[ 6947.111255] [<c0145914>] exit_mm+0xd4/0xf0
[ 6947.111255] [<c03e209b>] ? _spin_lock_irq+0xb/0x30
[ 6947.111255] [<c0145a40>] do_exit+0x110/0x6e0
[ 6947.111255] [<c01c5732>] ? do_munmap+0x1e2/0x270
[ 6947.111255] [<c0146040>] do_group_exit+0x30/0x90
[ 6947.111255] [<c01460af>] sys_exit_group+0xf/0x20
[ 6947.111255] [<c010a089>] syscall_call+0x7/0xb
[ 7012.611255] BUG: soft lockup - CPU#1 stuck for 61s! [cc1:27629]

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[Xen-devel] pvops bug