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Bug #1388

Updated by tuxillo almost 8 years ago

On Mon, May 25, 2009 at 1:07 AM, Matthew Dillon 
 
 <dillon@apollo.backplane.com> wrote: 
 
 >      While running stress2 using trevorjk's vkernel setup with the 
 
 >      latest head as of last night (after my second round of pthread 
 
 >      fixes for the vkernel) I got a mbuf panic: 

 

 Hoho, I tried to reproduce it in real kernel but failed in the last two days :P 
 
 I will try vkernel today. 

 

 > 
 
 >      panic: m_copydata, negative off -1 
 
 >      mp_lock = 00000001; cpuid = 1 
 
 >      Trace beginning at frame 0x57a9ea04 
 
 >      panic(57a9ea28,c,0,579218c0,57a9ea38) at 0x80bb436 
 
 >      panic(823d90d,ffffffff,c,0,579218c0) at 0x80bb436 
 
 >      m_copydata(0,ffffffff,1,59305dbc,0) at 0x80eacdc 
 
 >      tcp_output(579218c0,59305d18,57a9eb44,59305d9c,59305d88) at 0x815e3bc 
 
 >      tcp_input(59305d00,14,6,59305d00,584aae20) at 0x815d29a 
 
 >      ip_reass(283a0150,14,0,0,0) at 0x8153362 
 
 >      ip_input(59305d00,57a9ed60,8136b31,59305d18,1) at 0x8154a73 
 
 >      ip_input(59305d18,1,8342c68,57a9ed84,8160775) at 0x8154aa7 
 
 >      netmsg_service(59305d18,1,0,1,414003b8) at 0x8136b31 
 
 >      tcpmsg_service_loop(0,0,0,0,0) at 0x8160775 
 
 >      Debugger("panic") 
 
 > 
 
 >      The vkernel is bring run on my 2xCPU test box, configured -n 2 -m 128m. 
 
 > 
 
 >                                          -Matt 
 
 >                                          Matthew Dillon 
 
 >                                          <dillon@backplane.com> 
 
 >

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