L4Linux (dm_phys?) problem

[Jugwan Eom]

Adam Lackorzynski wrote:

>On Fri Dec 30, 2005 at 00:39:51 +0900, Jugwan Eom wrote:
>  
>
>>Previous error is fixed. But, I still fail to run L4Linux. Plz, See the 
>>attached image and log.
>>    
>>
>
>This softlockup usually happens when scheduling stops and the timer is
>still ticking. It should fire about 10 secs after scheduling halts.
>It's difficult to tell now what exactly happens. Can you enable IPC
>logging and show me some of logs, that could at least give a hint for
>further investigaion. Or tar up your files and put them somewhere
>online, so I can look at them.
>
>
>
>Adam
>  
>
Sorry, I'm too late.
I enabled IPC logging, but I'm not sure what should I see in the trace 
buffer.
This is the recent list in the trace buffer.
-----------------------------------------------------------------------------------------------------
100% of 32768  Perf:n/a  
1=00000000(off)                                   index
                         2=00000000(off)
ke:    f.03 "=== enter jdb ===" @ 
0001a477                                371399
+++>   f.03 rply dope=00004000 (OK) 10.00 
(fffffffb,deafbeaf)             371398
ipc:   f.03 repl-> 10.00 (00000000,deafbeaf) 
TO=0/INF                     371397
       f.03 rply dope=00004000 (OK) 10.00 
(fffffffb,deafbeaf)             371396
ipc:   f.03 repl-> 10.00 (00000000,deafbeaf) 
TO=0/INF                     371395
       f.03 rply dope=00004000 (OK) 10.00 
(fffffffb,deafbeaf)             371394
ipc:   f.03 repl-> 10.00 (00000000,deafbeaf) 
TO=0/INF                     371393
       f.03 rply dope=00004000 (OK) 10.00 
(fffffffb,deafbeaf)             371392
ipc:   f.03 repl-> 10.00 (00000000,deafbeaf) 
TO=0/INF                     371391
       f.03 rply dope=00004000 (OK) 10.00 
(fffffffb,deafbeaf)             371390
ipc:   f.03 repl-> 10.00 (00000000,deafbeaf) 
TO=0/INF                     371389
       f.03 rply dope=00004000 (OK) 10.00 
(fffffffb,deafbeaf)             371388
ipc:   f.03 repl-> 10.00 (00000000,deafbeaf) 
TO=0/INF                     371387
       f.03 rply dope=00004000 (OK) 10.00 
(fffffffb,deafbeaf)             371386
ipc:   f.03 repl-> 10.00 (00000000,deafbeaf) 
TO=0/INF                     371385
       f.03 rply dope=00004000 (OK) 10.00 
(fffffffb,deafbeaf)             371384
ipc:   f.03 repl-> 10.00 (00000000,deafbeaf) 
TO=0/INF                     371383
       f.03 rply dope=00004000 (OK) 10.00 
(fffffffb,deafbeaf)             371382
ipc:   f.03 repl-> 10.00 (00000000,deafbeaf) 
TO=0/INF                     371381
       f.03 rply dope=00004000 (OK) 10.00 
(fffffffb,deafbeaf)             371380
ipc:   f.03 repl-> 10.00 (00000000,deafbeaf) 
TO=0/INF                     371379

tbuf:      /?nN=search sj=mark c=clear r=ref F=filter D=dump P=perf 
<CR>=select
------------------------------------------------------------------------------------------------------
Many logs reference l4linux-2.6/arch/l4/kernel/arch-i386/dispatch.c:182.
-------------------------------------------------------------------------------------------------------
004030e8        pop    %ebp
004030e9        and    $0xf0,%eax
004030ee        mov    %edx,0xfffffff0(%ebp)
004030f1        mov    %ebx,0xffffffec(%ebp)
004030f4        mov    %esi,0xffffffd4(%ebp)
004030f7        mov    %edi,0xffffffd8(%ebp)
... an/Project/l4.oskit/l4linux-2.6/arch/l4/kernel/arch-i386/dispatch.c:1079
004030fa        cmp    $0x30,%eax
004030fd        jne    0x402f40
... an/Project/l4.oskit/l4linux-2.6/arch/l4/kernel/arch-i386/dispatch.c:1080
00403103        <enter_kdebug ("L4_IPC_SETIMEOUT?!")
00403118        jmp    0x402f03
0040311d        lea    0x0(%esi),%esi
... an/Project/l4.oskit/l4linux-2.6/arch/l4/kernel/arch-i386/dispatch.c:181
00403120        mov    %esi,%eax
00403122        and    $0x2,%eax
... an/Project/l4.oskit/l4linux-2.6/arch/l4/kernel/arch-i386/dispatch.c:182
00403125        cmp    $0x1,%eax
00403128        sbb    %eax,%eax
0040312a        and    $0xfffffffe,%eax
0040312d        add    $0x6,%eax
... an/Project/l4.oskit/l4linux-2.6/arch/l4/kernel/arch-i386/dispatch.c:261
00403130        cmp    $0xfffffff2,%ebx
... an/Project/l4.oskit/l4linux-2.6/arch/l4/kernel/arch-i386/dispatch.c:182
dis: <004030e8> task f    [Source]   [AT&T]                  
<Space>=lines mode
-----------------------------------------------------------------------------------------------------
So, I put my files in <http://getgid.postech.ac.kr/l4.tar.gz>.

thanks,
Jugwan Eom