[Xen-devel] Re: compile error with current xen/master

[Josip Rodin <joy@xxxxxxxxxxxxxx>]

On Sun, Nov 29, 2009 at 06:48:31PM +0100, joy wrote:
> I updated my previously-working pvops kernel (git pull origin xen/master)
> and reran make oldconfig, where I made some fairly random choices for the
> new functionality that I'm not sure I want :) and then make failed with
> the following output:
> 
> ERROR: "xen_gsi_from_irq" [drivers/xen/pciback/pciback.ko] undefined!
> make[1]: *** [__modpost] Error 1
> make: *** [modules] Error 2

> CONFIG_XEN_PCIDEV_BACKEND=m

When I disabled the new module, the kernel built fine. However, it would
not boot:

[    0.165929] registered taskstats version 1                                   
[    0.166237] rtc_cmos rtc_cmos: setting system clock to 2009-11-30 22:24:46 
UTC (1259619886)                                                                
  
[    0.210569] input: AT Translated Set 2 keyboard as /class/input/input1       
[    0.218226] List of all partitions:                                          
[    0.218311] No filesystem could mount root, tried:                           
[    0.218456] Kernel panic - not syncing: VFS: Unable to mount root fs on 
unknown-block(0,0)                                                              
     
[    0.218551] Pid: 1, comm: swapper Not tainted 2.6.31.6 #4                    
[    0.218631] Call Trace:                                                      
[    0.220011]  [<ffffffff81298ddd>] ? panic+0x86/0x133                         
[    0.220011]  [<ffffffff8100e172>] ? check_events+0x12/0x20                   
[    0.220011]  [<ffffffff811206b4>] ? cap_d_instantiate+0x0/0x1                
[    0.220011]  [<ffffffff8100e15f>] ? xen_restore_fl_direct_end+0x0/0x1        
[    0.220011]  [<ffffffff8146221f>] ? mount_block_root+0x25e/0x275             
[    0.220011]  [<ffffffff814623e8>] ? prepare_namespace+0x163/0x18d            
[    0.220011]  [<ffffffff814617a0>] ? kernel_init+0x1a1/0x1b1                  
[    0.220011]  [<ffffffff810126ca>] ? child_rip+0xa/0x20                       
[    0.220011]  [<ffffffff810118a7>] ? int_ret_from_sys_call+0x7/0x1b           
[    0.220011]  [<ffffffff8101205d>] ? retint_restore_args+0x5/0x6              
[    0.220011]  [<ffffffff811a53d8>] ? acpi_tb_verify_table+0x21/0x4f           
[    0.220011]  [<ffffffff8100e172>] ? check_events+0x12/0x20                   
[    0.220011]  [<ffffffff811a53d8>] ? acpi_tb_verify_table+0x21/0x4f           

Sadly this is all I have because of semi-broken iLO remcons...

-- 
     2. That which causes joy or happiness.

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