[Xen-devel] One-off crash on staging d36b770458

[Wei Liu <wei.liu2@xxxxxxxxxx>]

Got this one-off crash while booting staging (d36b770458) on a skylake
server. After rebooting it went away.

(XEN) Assertion '(sp == 0) || (peoi[sp-1].vector < vector)' failed at 
irq.c:1173          
(XEN) ----[ Xen-4.12-unstable  x86_64  debug=y   Tainted:  C   ]----            
             
(XEN) CPU:    5                                                                 
                         
(XEN) RIP:    e008:[<ffff82d080286921>] do_IRQ+0x496/0x680                      
          
(XEN) RFLAGS: 0000000000010046   CONTEXT: hypervisor                            
          
(XEN) rax: ffff83085df7a4c0   rbx: ffff83085df81e00   rcx: 0000000000000001     
          
(XEN) rdx: 0000000000000021   rsi: 0000000000000021   rdi: 0000000000000001     
          
(XEN) rbp: ffff83085df77d98   rsp: ffff83085df77d38   r8:  0000000000000021     
          
(XEN) r9:  0000000000000000   r10: 0000000000000000   r11: 0000000000000000    
(XEN) r12: ffff8308740e4f10   r13: 0000000000000021   r14: ffff83085df81e00     
(XEN) r15: 000000000000001e   cr0: 0000000080050033   cr4: 00000000003526e0     
(XEN) cr3: 000000085da9e000   cr2: 00007fc5b6a8cfe8                             
(XEN) fsb: 0000000000000000   gsb: 0000000000000000   gss: 0000000000000000     
(XEN) ds: 0000   es: 0000   fs: 0000   gs: 0000   ss: 0000   cs: e008           
(XEN) Xen code around <ffff82d080286921> (do_IRQ+0x496/0x680):                  
(XEN)  be 00 00 00 7e 93 0f 0b <0f> 0b 0f 0b 0f 0b b8 00 00 00 00 eb 4e 83 bb 1c
(XEN) Xen stack trace from rsp=ffff83085df77d38:                                
(XEN)    ffff82d000000000 ffff83085df81e24 0000000000000000 0000001e8037a835    
(XEN)    ffff82d08037a841 ffff82d08037a835 ffff82d08037a841 0000000000000000    
   
(XEN)    0000000000000000 0000000000000000 ffff83085df77fff 0000000000000000    
   
(XEN)    00007cf7a2088237 ffff82d08037a8aa 0000000380f0b241 0000000000000008    
   
(XEN)    ffff83085df79448 ffff83085df79390 ffff83085df77ec0 0000000380f62e26    
   
(XEN)    00000003810cc680 ffff8307de5670a8 00000000001f644f 0000000000000809    
   
(XEN)    ffff83085df7a02c 0000000000000000 ffff83085df77fff 00000000000051f3    
   
(XEN)    ffff83085df793c0 0000002100000000 ffff82d0802e1684 000000000000e008    
   
(XEN)    0000000000000202 ffff83085df77e50 0000000000000000 ffff82d08059bc80    
   
(XEN)    00000020ffffffff ffff83085df77fff ffff82d0805a3c80 ffff83085df77eb0    
                                 
(XEN)    0000000000000000 0000000000000000 0000033b00000212 ffff82d08059bf00    
(XEN)    0000000000000005 ffff82d08059bf00 0000000000000005 0000000000000005    
(XEN)    ffff83085df39000 ffff83085df77ef0 ffff82d0802770b8 ffff830864159000    
(XEN)    ffff8300791fd000 ffff8300791fb000 ffff830864159000 ffff83085df77db8    
(XEN)    0000000000000000 0000000000000000 ffff88017dbe3d00 ffff88017dbe3d00    
(XEN)    0000000000000002 0000000000000002 0000000000000000 0000000000000000    
     
(XEN)    0000000148106000 000000005236fe09 ffffffff816fe980 ffff880182a9a7c0   
(XEN)    ffffffff82049af8 ffff880182a9a7c0 0000000000000082 0000beef0000beef    
(XEN)    ffffffff816fec52 000000bf0000beef 0000000000000246 ffffc900006dbe98    
(XEN)    000000000000beef 000000000000beef 000000000000beef 000000000000beef    
(XEN) Xen call trace:                                                           
(XEN)    [<ffff82d080286921>] do_IRQ+0x496/0x680                                
     
(XEN)    [<ffff82d08037a8aa>] common_interrupt+0x10a/0x120                      
             
(XEN)    [<ffff82d0802e1684>] mwait-idle.c#mwait_idle+0x296/0x372               
 
(XEN)    [<ffff82d0802770b8>] domain.c#idle_loop+0xb3/0xb5                      
(XEN)                                                                           
(XEN)                                                                           
(XEN) ****************************************                                  
(XEN) Panic on CPU 5:                                                           
(XEN) Assertion '(sp == 0) || (peoi[sp-1].vector < vector)' failed at irq.c:1173
(XEN) ****************************************                                  
(XEN)                                                                           
(XEN) Manual reset required ('noreboot' specified)  

Let me know what else is needed.

Wei.

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