Re: [Xen-devel] i915 crashs in the pvops dom0

[Pasi Kärkkäinen <pasik@xxxxxx>]

On Fri, May 14, 2010 at 10:27:28AM +0800, Lin, Ben Y wrote:
> I searched my issue with Google, and found that someone has already reported 
> this issue in 
> http://lists.xensource.com/archives/html/xen-bugs/2010-04/msg00021.html, but 
> I didn't find any solution.
> It may be caused by PFN != MFN issue.
> 
> Here is my grub.conf:
> Root (hd0,1)
> Kernel   /xen-4.0.0.gz dom0_mem=2G
> Module  /vmlinuz-2.6.31.13 ro root=/dev/VolGroup00/LogVol00
> Module  /initrd-2.6.31.13.img
> 

Try adding "nomodeset" parameter to the Module /vmlinuz line.

-- Pasi

> 
> Thanks
> Ben
> 
> 
> -----Original Message-----
> From: Pasi Kärkkäinen [mailto:pasik@xxxxxx]
> Sent: Thursday, May 13, 2010 7:42 PM
> To: Lin, Ben Y
> Cc: xen-devel@xxxxxxxxxxxxxxxxxxx
> Subject: Re: [Xen-devel] i915 crashs in the pvops dom0
> 
> On Thu, May 13, 2010 at 02:21:28PM +0800, Lin, Ben Y wrote:
> >    Hi All:
> >
> >
> >
> >    I installed the pvops domain0 with kernel 2.6.31.13 in my Q35 platform  
> > by
> >    git   clone   
> > git://git.kernel.org/pub/scm/linux/kernel/git/jeremy/xen.git
> >    linux-2.6-xen. I am  failed to start  the X server,  and the dom0  
> > crashed
> >    with the following logs.
> >
> >
> >
> >    The root cause is:
> >
> >    [  234.397144] BUG: unable to handle kernel paging request at f5790010
> >
> >    [  234.397164] IP: [<c122be10>] i915_gem_execbuffer+0x572/0xbe5
> >
> >
> >
> >    Is anyone meet such issue before?
> >
> 
> Take a look at this:
> http://wiki.xensource.com/xenwiki/XenPVOPSDRM
> 
> How much memory does your dom0 have?
> Also please paste your dom0 grub.conf.
> 
> -- Pasi
> 
> >
> >
> >
> >
> >    Thanks
> >
> >    Ben
> >
> >
> >
> >    (XEN) d0:v2: reserved bit in page table (ec=000B)
> >
> >    (XEN) Pagetable walk from f5790010:
> >
> >    (XEN)  L3[0x003] = 0000000064038001 0001c577
> >
> >    (XEN)  L2[0x1ab] = 00000000397bd067 000017bd
> >
> >    (XEN)  L1[0x190] = 800007fffffff06b ffffffff
> >
> >    (XEN) ----[ Xen-4.0.0  x86_32p  debug=n  Not tainted ]----
> >
> >    (XEN) CPU:    2
> >
> >    (XEN) EIP:    0061:[<c122be10>]
> >
> >    (XEN) EFLAGS: 00010206   EM: 0   CONTEXT: pv guest
> >
> >    (XEN) eax: f5790000   ebx: dd5cf980   ecx: f5790010   edx: 01011000
> >
> >    (XEN) esi: dd5cf280   edi: 00000010   ebp: da19be74   esp: da19bde0
> >
> >    (XEN) cr0: 8005003b   cr4: 000026f0   cr3: 64097000   cr2: f5790010
> >
> >    (XEN) ds: 007b   es: 007b   fs: 00d8   gs: 0033   ss: 0069   cs: 0061
> >
> >    (XEN) Guest stack trace from esp=da19bde0:
> >
> >    (XEN)     0000016b 80000000 00000000  fffe0001 df19b9c0 da19be88  
> > df8ab400
> >    de698000
> >
> >    (XEN)     df8ab414 df19bba0 df19bf00  df8d7770 00000000 dd5cf280  
> > 00000002
> >    00000000
> >
> >    (XEN)     00000000 df19bde0 da19be30  dd5cf980 df19bea0 00000000  
> > de698000
> >    dc42d780
> >
> >    (XEN)     df19bba0 da19be5c c121706a  df19bf04 00000002 c1215d99  
> > 00000003
> >    c163331d
> >
> >    (XEN)     df19bf40 c118e3c9 da19be88  00000054 40286454 da19bf14  
> > c1215f06
> >    df19b9c0
> >
> >    (XEN)     df8ab400 c122b89e 082f0288  00000000 00000003 00000000  
> > 00000068
> >    00003039
> >
> >    (XEN)     ffffffff 00000000 00000000  00000000 00000041 c1729840  
> > 00000002
> >    df180268
> >
> >    (XEN)     dc457c00 dc457c00 c172a740  00000010 c2484fe0 00000007  
> > c2484fe0
> >    da19bf00
> >
> >    (XEN)     c10289be c10045ab 80000000  c10048bb da19bf10 c1005d05  
> > 80000000
> >    00000000
> >
> >    (XEN)     da155d00 bfc49a24 c16defd8  da155d00 bfc49a24 da19bf30  
> > c10bed0d
> >    bfc49a24
> >
> >    (XEN)     40286454 da155d00 dddea3f0  0000000a da19bf90 c10bf262  
> > 80000000
> >    00000000
> >
> >    (XEN)     00000000 000000a0 dc4e1210  d487f0a0 c246c9a0 c2484fe0  
> > 00000000
> >    dce8f1f4
> >
> >    (XEN)     00000000 df18d598 df18d000  da19bf90 c10704d6 00000000  
> > 0000000a
> >    da19bf9c
> >
> >    (XEN)     40000003 00000000 da155d00  bfc49a24 da19bfac c10bf2dc  
> > bfc49a24
> >    00000000
> >
> >    (XEN)     0000000a bfc49a24 00000000  da19a000 c1009aa9 0000000a  
> > 40286454
> >    bfc49a24
> >
> >    (XEN)     bfc49a24 00000000 bfc49a58  ffffffda 0000007b 0000007b  
> > c1000000
> >    00000000
> >
> >    (XEN)     00000036 b771d416 00000073  00000246 bfc499d4 0000007b  
> > 00000000
> >    00000000
> >
> >    [  234.397144] BUG: unable to handle kernel paging request at f5790010
> >
> >    [  234.397164] IP: [<c122be10>] i915_gem_execbuffer+0x572/0xbe5
> >
> >    [  234.397185] *pdpt = 0000000064038001
> >
> >    [  234.397198] Oops: 000b [#1] SMP
> >
> >    [                   234.397213]         last          sysfs          
> > file:
> >    /sys/devices/virtual/dmi/id/chassis_asset_tag
> >
> >    [  234.397224] Modules linked in:
> >
> >    [  234.397235]
> >
> >    [  234.397243] Pid: 5275, comm: X Not tainted (2.6.31.13 #1) OptiPlex 755
> >
> >
> >
> >    [  234.397257] EIP: 0061:[<c122be10>] EFLAGS: 00010206 CPU: 2
> >
> >    [  234.397268] EIP is at i915_gem_execbuffer+0x572/0xbe5
> >
> >    [  234.397278] EAX: f5790000 EBX: dd5cf980 ECX: f5790010 EDX: 01011000
> >
> >    [  234.397288] ESI: dd5cf280 EDI: 00000010 EBP: da19be74 ESP: da19bde0
> >
> >    [  234.397299]  DS: 007b ES: 007b FS: 00d8 GS: 0033 SS: 0069
> >
> >    [     234.397309]  Process   X  (pid:   5275,  ti=da19a000   
> > task=da181400
> >    task.ti=da19a000)
> >
> >    [  234.397319] Stack:
> >
> >    [   234.397326]   0000016b 80000000  00000000 fffe0001  df19b9c0  
> > da19be88
> >    df8ab400 d
> >
> >    e698000
> >
> >    [  234.397359] <0> df8ab414  df19bba0 df19bf00 df8d7770 00000000  
> > dd5cf280
> >    0000000
> >
> >    2 00000000
> >
> >    [  234.397397] <0> 00000000  df19bde0 da19be30 dd5cf980 df19bea0  
> > 00000000
> >    de69800
> >
> >    0 dc42d780
> >
> >    [  234.397438] Call Trace:
> >
> >    [  234.397452]  [<c121706a>] ? drm_gem_object_lookup+0x33/0x3c
> >
> >    [  234.397456]  [<c1215d99>] ? drm_ioctl+0x99/0x286
> >
> >    [  234.397456]  [<c118e3c9>] ? copy_from_user+0x2a/0x111
> >
> >    [  234.397456]  [<c1215f06>] ? drm_ioctl+0x206/0x286
> >
> >    [  234.397456]  [<c122b89e>] ? i915_gem_execbuffer+0x0/0xbe5
> >
> >    [  234.397456]  [<c10289be>] ? kmap_atomic_prot+0xf6/0xf8
> >
> >    [  234.397456]  [<c10045ab>] ? pfn_to_mfn+0x11/0x18
> >
> >    [  234.397456]  [<c10048bb>] ? xen_make_pte+0xa2/0xbe
> >
> >    [  234.397456]  [<c1005d05>] ? xen_set_pte_at+0x92/0xac
> >
> >    [  234.397456]  [<c10bed0d>] ? vfs_ioctl+0x50/0x69
> >
> >    [  234.397456]  [<c10bf262>] ? do_vfs_ioctl+0x498/0x4d2
> >
> >    [  234.397456]  [<c10704d6>] ? audit_syscall_entry+0x102/0x124
> >
> >    [  234.397456]  [<c10bf2dc>] ? sys_ioctl+0x40/0x5a
> >
> >    [  234.397456]  [<c1009aa9>] ? syscall_call+0x7/0xb
> >
> >    [  234.397456] Code: ba 03 00 00 00 13 58 04 81 e7 ff 0f 00 00 ff 70 10 
> > ff
> >    70 0c
> >
> >     0f ac d9 0c 89 c8 e8 47 c2 df ff 8b 5d b8 8b 56 04 03 53 2c 8d 0c 38 
> > <89>
> >    11 ba
> >
> >     03 00 00 00 e8 42 c1 df ff 8b 7b 2c c7 46 14 00 00 00
> >
> >    [   234.397456] EIP:  [<c122be10>] i915_gem_execbuffer+0x572/0xbe5  
> > SS:ESP
> >    0069:da1
> >
> >    9bde0
> >
> >    [  234.397456] CR2: 00000000f5790010
> >
> >    [  234.397456] ---[ end trace 9042e94c07667bf4 ]---
> >
> >    [  234.397456] note: X[5275] exited with preempt_count 1
> >
> >    [  234.423654] BUG: scheduling while atomic: X/5275/0x10000001
> >
> >    [  234.423662] Modules linked in:
> >
> >    [  234.423672] Pid: 5275, comm: X Tainted: G      D    2.6.31.13 #1
> >
> >    [  234.423678] Call Trace:
> >
> >    [  234.423689]  [<c1032d8e>] ? __schedule_bug+0x37/0x51
> >
> >    [  234.423698]  [<c1032da3>] __schedule_bug+0x4c/0x51
> >
> >    [  234.423708]  [<c148c9db>] schedule+0x8c/0x7df
> >
> >    [  234.423717]  [<c10067eb>] ? xen_restore_fl_direct_end+0x0/0x1
> >
> >    [  234.423728]  [<c103da8c>] ? do_softirq+0x3c/0x40
> >
> >    [  234.423737]  [<c1090809>] ? __pagevec_free+0x1d/0x25
> >
> >    [  234.423746]  [<c10067f4>] ? check_events+0x8/0xc
> >
> >    [  234.423754]  [<c10067eb>] ? xen_restore_fl_direct_end+0x0/0x1
> >
> >    [  234.423763]  [<c1004eb5>] ? xen_mc_issue+0x20/0x23
> >
> >    [  234.423772]  [<c10353f9>] __cond_resched+0x16/0x2c
> >
> >    [  234.423780]  [<c148d214>] _cond_resched+0x1b/0x26
> >
> >    [  234.423790]  [<c109ecbd>] unmap_vmas+0x607/0x674
> >
> >    [  234.423799]  [<c1006127>] ? xen_force_evtchn_callback+0xf/0x14
> >
> >    [  234.423809]  [<c10a28ee>] exit_mmap+0xae/0x128
> >
> >    [  234.423817]  [<c1036deb>] mmput+0x26/0x8b
> >
> >    [  234.423825]  [<c103a0d6>] exit_mm+0xe1/0xe9
> >
> >    [  234.423833]  [<c103b90e>] do_exit+0x175/0x618
> >
> >    [  234.423841]  [<c148c76a>] ? printk+0xf/0x11
> >
> >    [  234.423849]  [<c1038af1>] ? oops_exit+0x23/0x28
> >
> >    [  234.423859]  [<c148eec3>] oops_end+0xa0/0xa8
> >
> >    [  234.423868]  [<c102423c>] no_context+0x13d/0x147
> >
> >    [  234.423876]  [<c1024360>] __bad_area_nosemaphore+0x11a/0x122
> >
> >    [  234.423887]  [<c120eea0>] ? agp_alloc_page_array+0x25/0x40
> >
> >    [  234.423896]  [<c10b1003>] ? __kmalloc+0x115/0x121
> >
> >    [  234.423904]  [<c120eea0>] ? agp_alloc_page_array+0x25/0x40
> >
> >    [  234.423914]  [<c12111e1>] ? intel_i965_mask_memory+0x41/0x92
> >
> >    [  234.423923]  [<c12104cb>] ? intel_i915_insert_entries+0x11f/0x137
> >
> >    [  234.423933]  [<c148e336>] ? _spin_lock+0x8/0xb
> >
> >    [  234.423941]  [<c1024375>] bad_area_nosemaphore+0xd/0x10
> >
> >    [  234.423956]  [<c148ff7e>] do_page_fault+0x19f/0x304
> >
> >    [  234.423961]  [<c10048bb>] ? xen_make_pte+0xa2/0xbe
> >
> >    [  234.423969]  [<c148fddf>] ? do_page_fault+0x0/0x304
> >
> >    [  234.423974]  [<c148e5ae>] error_code+0x66/0x6c
> >
> >    [  234.423978]  [<c148fddf>] ? do_page_fault+0x0/0x304
> >
> >    [  234.423987]  [<c122be10>] ? i915_gem_execbuffer+0x572/0xbe5
> >
> >    [  234.423993]  [<c121706a>] ? drm_gem_object_lookup+0x33/0x3c
> >
> >    [  234.423997]  [<c1215d99>] ? drm_ioctl+0x99/0x286
> >
> >    [  234.424005]  [<c118e3c9>] ? copy_from_user+0x2a/0x111
> >
> >    [  234.424010]  [<c1215f06>] drm_ioctl+0x206/0x286
> >
> >    [  234.424014]  [<c122b89e>] ? i915_gem_execbuffer+0x0/0xbe5
> >
> >    [  234.424023]  [<c10289be>] ? kmap_atomic_prot+0xf6/0xf8
> >
> >    [  234.424028]  [<c10045ab>] ? pfn_to_mfn+0x11/0x18
> >
> >    [  234.424032]  [<c10048bb>] ? xen_make_pte+0xa2/0xbe
> >
> >    [  234.424040]  [<c1005d05>] ? xen_set_pte_at+0x92/0xac
> >
> >    [  234.424046]  [<c10bed0d>] vfs_ioctl+0x50/0x69
> >
> >    [  234.424051]  [<c10bf262>] do_vfs_ioctl+0x498/0x4d2
> >
> >    [  234.424062]  [<c10704d6>] ? audit_syscall_entry+0x102/0x124
> >
> >    [  234.424067]  [<c10bf2dc>] sys_ioctl+0x40/0x5a
> >
> >    [  234.424071]  [<c1009aa9>] syscall_call+0x7/0xb
> >
> >    [  234.426288] BUG: scheduling while atomic: X/5275/0x10000001
> >
> >    [  234.426295] Modules linked in:
> >
> >    [  234.426304] Pid: 5275, comm: X Tainted: G      D    2.6.31.13 #1
> >
> >    [  234.426310] Call Trace:
> >
> >    [  234.426319]  [<c1032d8e>] ? __schedule_bug+0x37/0x51
> >
> >    [  234.426328]  [<c1032da3>] __schedule_bug+0x4c/0x51
> >
> >    [  234.426336]  [<c148c9db>] schedule+0x8c/0x7df
> >
> >    [  234.426345]  [<c10067eb>] ? xen_restore_fl_direct_end+0x0/0x1
> >
> >    [  234.426354]  [<c103da8c>] ? do_softirq+0x3c/0x40
> >
> >    [  234.426364]  [<c11e2f3d>] ? xen_evtchn_do_upcall+0x12d/0x13e
> >
> >    [  234.426374]  [<c1006127>] ? xen_force_evtchn_callback+0xf/0x14
> >
> >    [  234.426383]  [<c10353f9>] __cond_resched+0x16/0x2c
> >
> >    [  234.426392]  [<c148d214>] _cond_resched+0x1b/0x26
> >
> >    [  234.426400]  [<c109ecbd>] unmap_vmas+0x607/0x674
> >
> >    [  234.426409]  [<c1006127>] ? xen_force_evtchn_callback+0xf/0x14
> >
> >    [  234.426419]  [<c10a28ee>] exit_mmap+0xae/0x128
> >
> >    [  234.426427]  [<c1036deb>] mmput+0x26/0x8b
> >
> >    [  234.426435]  [<c103a0d6>] exit_mm+0xe1/0xe9
> >
> >    [  234.426443]  [<c103b90e>] do_exit+0x175/0x618
> >
> >    [  234.426451]  [<c148c76a>] ? printk+0xf/0x11
> >
> >    [  234.426461]  [<c1038af1>] ? oops_exit+0x23/0x28
> >
> >    [  234.426470]  [<c148eec3>] oops_end+0xa0/0xa8
> >
> >    [  234.426478]  [<c102423c>] no_context+0x13d/0x147
> >
> >    [  234.426487]  [<c1024360>] __bad_area_nosemaphore+0x11a/0x122
> >
> >    [  234.426496]  [<c120eea0>] ? agp_alloc_page_array+0x25/0x40
> >
> >    [  234.426505]  [<c10b1003>] ? __kmalloc+0x115/0x121
> >
> >    [  234.426514]  [<c120eea0>] ? agp_alloc_page_array+0x25/0x40
> >
> >    [  234.426523]  [<c12111e1>] ? intel_i965_mask_memory+0x41/0x92
> >
> >    [  234.426532]  [<c12104cb>] ? intel_i915_insert_entries+0x11f/0x137
> >
> >    [  234.426542]  [<c148e336>] ? _spin_lock+0x8/0xb
> >
> >    [  234.426550]  [<c1024375>] bad_area_nosemaphore+0xd/0x10
> >
> >    [  234.426559]  [<c148ff7e>] do_page_fault+0x19f/0x304
> >
> >    [  234.426567]  [<c10048bb>] ? xen_make_pte+0xa2/0xbe
> >
> >    [  234.426576]  [<c148fddf>] ? do_page_fault+0x0/0x304
> >
> >    [  234.426585]  [<c148e5ae>] error_code+0x66/0x6c
> >
> >    [  234.426593]  [<c148fddf>] ? do_page_fault+0x0/0x304
> >
> >    [  234.426602]  [<c122be10>] ? i915_gem_execbuffer+0x572/0xbe5
> >
> >    [  234.426611]  [<c121706a>] ? drm_gem_object_lookup+0x33/0x3c
> >
> >    [  234.426620]  [<c1215d99>] ? drm_ioctl+0x99/0x286
> >
> >    [  234.426628]  [<c118e3c9>] ? copy_from_user+0x2a/0x111
> >
> >    [  234.426637]  [<c1215f06>] drm_ioctl+0x206/0x286
> >
> >    [  234.426645]  [<c122b89e>] ? i915_gem_execbuffer+0x0/0xbe5
> >
> >    [  234.426655]  [<c10289be>] ? kmap_atomic_prot+0xf6/0xf8
> >
> >    [  234.426663]  [<c10045ab>] ? pfn_to_mfn+0x11/0x18
> >
> >    [  234.426671]  [<c10048bb>] ? xen_make_pte+0xa2/0xbe
> >
> >    [  234.426680]  [<c1005d05>] ? xen_set_pte_at+0x92/0xac
> >
> >    [  234.426689]  [<c10bed0d>] vfs_ioctl+0x50/0x69
> >
> >    [  234.426697]  [<c10bf262>] do_vfs_ioctl+0x498/0x4d2
> >
> >    [  234.426706]  [<c10704d6>] ? audit_syscall_entry+0x102/0x124
> >
> >    [  234.426715]  [<c10bf2dc>] sys_ioctl+0x40/0x5a
> >
> >    [  234.426723]  [<c1009aa9>] syscall_call+0x7/0xb
> >
> >    [  234.508447] BUG: scheduling while atomic: X/5275/0x10000001
> >
> >    [  234.508457] Modules linked in:
> >
> >    [  234.508466] Pid: 5275, comm: X Tainted: G      D    2.6.31.13 #1
> >
> >    [  234.508473] Call Trace:
> >
> >    [  234.508485]  [<c1032d8e>] ? __schedule_bug+0x37/0x51
> >
> >    [  234.508494]  [<c1032da3>] __schedule_bug+0x4c/0x51
> >
> >    [  234.508504]  [<c148c9db>] schedule+0x8c/0x7df
> >
> >    [  234.508515]  [<c10067eb>] ? xen_restore_fl_direct_end+0x0/0x1
> >
> >    [  234.508525]  [<c103da8c>] ? do_softirq+0x3c/0x40
> >
> >    [  234.508535]  [<c11e2f3d>] ? xen_evtchn_do_upcall+0x12d/0x13e
> >
> >    [  234.508545]  [<c1006127>] ? xen_force_evtchn_callback+0xf/0x14
> >
> >    [  234.508554]  [<c10353f9>] __cond_resched+0x16/0x2c
> >
> >    [  234.508563]  [<c148d214>] _cond_resched+0x1b/0x26
> >
> >    [  234.508573]  [<c109ecbd>] unmap_vmas+0x607/0x674
> >
> >    [  234.508581]  [<c1006127>] ? xen_force_evtchn_callback+0xf/0x14
> >
> >    [  234.508591]  [<c10a28ee>] exit_mmap+0xae/0x128
> >
> >    [  234.508600]  [<c1036deb>] mmput+0x26/0x8b
> >
> >    [  234.508608]  [<c103a0d6>] exit_mm+0xe1/0xe9
> >
> >    [  234.508616]  [<c103b90e>] do_exit+0x175/0x618
> >
> >    [  234.508624]  [<c148c76a>] ? printk+0xf/0x11
> >
> >    [  234.508632]  [<c1038af1>] ? oops_exit+0x23/0x28
> >
> >    [  234.508641]  [<c148eec3>] oops_end+0xa0/0xa8
> >
> >    [  234.508650]  [<c102423c>] no_context+0x13d/0x147
> >
> >    [  234.508659]  [<c1024360>] __bad_area_nosemaphore+0x11a/0x122
> >
> >    [  234.508669]  [<c120eea0>] ? agp_alloc_page_array+0x25/0x40
> >
> >    [  234.508678]  [<c10b1003>] ? __kmalloc+0x115/0x121
> >
> >    [  234.508687]  [<c120eea0>] ? agp_alloc_page_array+0x25/0x40
> >
> >    [  234.508696]  [<c12111e1>] ? intel_i965_mask_memory+0x41/0x92
> >
> >    [  234.508706]  [<c12104cb>] ? intel_i915_insert_entries+0x11f/0x137
> >
> >    [  234.508715]  [<c148e336>] ? _spin_lock+0x8/0xb
> >
> >    [  234.508724]  [<c1024375>] bad_area_nosemaphore+0xd/0x10
> >
> >    [  234.508732]  [<c148ff7e>] do_page_fault+0x19f/0x304
> >
> >    [  234.508741]  [<c10048bb>] ? xen_make_pte+0xa2/0xbe
> >
> >    [  234.508750]  [<c148fddf>] ? do_page_fault+0x0/0x304
> >
> >    [  234.508758]  [<c148e5ae>] error_code+0x66/0x6c
> >
> >    [  234.508767]  [<c148fddf>] ? do_page_fault+0x0/0x304
> >
> >    [  234.508777]  [<c122be10>] ? i915_gem_execbuffer+0x572/0xbe5
> >
> >    [  234.508787]  [<c121706a>] ? drm_gem_object_lookup+0x33/0x3c
> >
> >    [  234.508795]  [<c1215d99>] ? drm_ioctl+0x99/0x286
> >
> >    [  234.508804]  [<c118e3c9>] ? copy_from_user+0x2a/0x111
> >
> >    [  234.508813]  [<c1215f06>] drm_ioctl+0x206/0x286
> >
> >    [  234.508822]  [<c122b89e>] ? i915_gem_execbuffer+0x0/0xbe5
> >
> >    [  234.508831]  [<c10289be>] ? kmap_atomic_prot+0xf6/0xf8
> >
> >    [  234.508840]  [<c10045ab>] ? pfn_to_mfn+0x11/0x18
> >
> >    [  234.508848]  [<c10048bb>] ? xen_make_pte+0xa2/0xbe
> >
> >    [  234.508856]  [<c1005d05>] ? xen_set_pte_at+0x92/0xac
> >
> >    [  234.508866]  [<c10bed0d>] vfs_ioctl+0x50/0x69
> >
> >    [  234.508874]  [<c10bf262>] do_vfs_ioctl+0x498/0x4d2
> >
> >    [  234.508884]  [<c10704d6>] ? audit_syscall_entry+0x102/0x124
> >
> >    [  234.508892]  [<c10bf2dc>] sys_ioctl+0x40/0x5a
> >
> >    [  234.508901]  [<c1009aa9>] syscall_call+0x7/0xb
> >
> >    [  234.545148] BUG: scheduling while atomic: X/5275/0x00000001
> >
> >    [  234.545156] Modules linked in:
> >
> >    [  234.545165] Pid: 5275, comm: X Tainted: G      D    2.6.31.13 #1
> >
> >    [  234.545172] Call Trace:
> >
> >    [  234.545183]  [<c1032d8e>] ? __schedule_bug+0x37/0x51
> >
> >    [  234.545192]  [<c1032da3>] __schedule_bug+0x4c/0x51
> >
> >    [  234.545238]  [<c148c9db>] schedule+0x8c/0x7df
> >
> >    [  234.545247]  [<c103db80>] ? irq_exit+0x39/0x5c
> >
> >    [  234.545252]  [<c11e2f3d>] ? xen_evtchn_do_upcall+0x12d/0x13e
> >
> >    [  234.545252]  [<c100a5a7>] ? xen_do_upcall+0x7/0xc
> >
> >    [  234.545252]  [<c148d85f>] __mutex_lock_common+0xe4/0x13d
> >
> >    [  234.545252]  [<c148e336>] ? _spin_lock+0x8/0xb
> >
> >    [  234.545252]  [<c148d8ca>] __mutex_lock_slowpath+0x12/0x15
> >
> >    [  234.545252]  [<c148d96d>] ? mutex_lock+0x1a/0x28
> >
> >    [  234.545252]  [<c148d96d>] mutex_lock+0x1a/0x28
> >
> >    [  234.545252]  [<c1216e58>] drm_gem_vm_close+0x15/0x30
> >
> >    [  234.545252]  [<c10a2815>] remove_vma+0x21/0x4c
> >
> >    [  234.545252]  [<c10a2950>] exit_mmap+0x110/0x128
> >
> >    [  234.545252]  [<c1036deb>] mmput+0x26/0x8b
> >
> >    [  234.545252]  [<c103a0d6>] exit_mm+0xe1/0xe9
> >
> >    [  234.545252]  [<c103b90e>] do_exit+0x175/0x618
> >
> >    [  234.545252]  [<c148c76a>] ? printk+0xf/0x11
> >
> >    [  234.545252]  [<c1038af1>] ? oops_exit+0x23/0x28
> >
> >    [  234.545252]  [<c148eec3>] oops_end+0xa0/0xa8
> >
> >    [  234.545252]  [<c102423c>] no_context+0x13d/0x147
> >
> >    [  234.545252]  [<c1024360>] __bad_area_nosemaphore+0x11a/0x122
> >
> >    [  234.545252]  [<c120eea0>] ? agp_alloc_page_array+0x25/0x40
> >
> >    [  234.545252]  [<c10b1003>] ? __kmalloc+0x115/0x121
> >
> >    [  234.545252]  [<c120eea0>] ? agp_alloc_page_array+0x25/0x40
> >
> >    [  234.545252]  [<c12111e1>] ? intel_i965_mask_memory+0x41/0x92
> >
> >    [  234.545252]  [<c12104cb>] ? intel_i915_insert_entries+0x11f/0x137
> >
> >    [  234.545252]  [<c148e336>] ? _spin_lock+0x8/0xb
> >
> >    [  234.545252]  [<c1024375>] bad_area_nosemaphore+0xd/0x10
> >
> >    [  234.545252]  [<c148ff7e>] do_page_fault+0x19f/0x304
> >
> >    [  234.545252]  [<c10048bb>] ? xen_make_pte+0xa2/0xbe
> >
> >    [  234.545252]  [<c148fddf>] ? do_page_fault+0x0/0x304
> >
> >    [  234.545252]  [<c148e5ae>] error_code+0x66/0x6c
> >
> >    [  234.545252]  [<c148fddf>] ? do_page_fault+0x0/0x304
> >
> >    [  234.545252]  [<c122be10>] ? i915_gem_execbuffer+0x572/0xbe5
> >
> >    [  234.545252]  [<c121706a>] ? drm_gem_object_lookup+0x33/0x3c
> >
> >    [  234.545252]  [<c1215d99>] ? drm_ioctl+0x99/0x286
> >
> >    [  234.545252]  [<c118e3c9>] ? copy_from_user+0x2a/0x111
> >
> >    [  234.545252]  [<c1215f06>] drm_ioctl+0x206/0x286
> >
> >    [  234.545252]  [<c122b89e>] ? i915_gem_execbuffer+0x0/0xbe5
> >
> >    [  234.545252]  [<c10289be>] ? kmap_atomic_prot+0xf6/0xf8
> >
> >    [  234.545252]  [<c10045ab>] ? pfn_to_mfn+0x11/0x18
> >
> >    [  234.545252]  [<c10048bb>] ? xen_make_pte+0xa2/0xbe
> >
> >    [  234.545252]  [<c1005d05>] ? xen_set_pte_at+0x92/0xac
> >
> >    [  234.545252]  [<c10bed0d>] vfs_ioctl+0x50/0x69
> >
> >    [  234.545252]  [<c10bf262>] do_vfs_ioctl+0x498/0x4d2
> >
> >    [  234.545252]  [<c10704d6>] ? audit_syscall_entry+0x102/0x124
> >
> >    [  234.545252]  [<c10bf2dc>] sys_ioctl+0x40/0x5a
> >
> >    [  234.545252]  [<c1009aa9>] syscall_call+0x7/0xb
> 
> > _______________________________________________
> > Xen-devel mailing list
> > Xen-devel@xxxxxxxxxxxxxxxxxxx
> > http://lists.xensource.com/xen-devel
> 

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