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[Oops] Indy R4600 Oops(es) w/ 2.4.19-rc1

To: linux-mips@oss.sgi.com
Subject: [Oops] Indy R4600 Oops(es) w/ 2.4.19-rc1
From: Jan-Benedict Glaw <jbglaw@lug-owl.de>
Date: Sun, 30 Jun 2002 00:05:13 +0200
Mail-followup-to: linux-mips@oss.sgi.com
Sender: owner-linux-mips@oss.sgi.com
User-agent: Mutt/1.4i
Hi!

I've started looking at mips(el) again, here's some first status report
for 2.4.19-rc1. Machine is a R4600 Indy.

1st boot:
        SIGBUS for e2fsck, freeze after

2nd boot:
        Freeze somewhere during boot-up

3rd boot:
        Numerous messages like this:

                swap_free: Bad swap file entry 3c04881a
                swap_free: Bad swap offset entry 2484c500
        
        I think this is because swap has been activated during 2nd
        boot-up and some swap pages are marked as "used" (from previous
        boot-up) but aren't used...

        Then an Oops during ntpdate (or ntp?) startup:

ksymoops 2.4.5 on mips 2.4.16.  Options used
     -v /boot/vmlinux-2.4.19-rc1--00 (specified)
     -K (specified)
     -L (specified)
     -o /lib/modules/2.4.16/ (default)
     -m /boot/System.map-2.4.19-rc1--00 (specified)

No modules in ksyms, skipping objects
$0 : 00000000 3000cc02 c0006000 c0006622 00031180 88185d98 00031180 00000000
$8 : 88185d98 07200720 07200720 07200720 07200720 00000000 881b5cc0 07200720
$16: 8816fb5c 00000000 00031180 00121000 0030a000 8bb95244 2b0f6000 00005000
$24: 00000000 00000007                   8bb32000 8bb33df8 00000000 88040984
epc  : 88016cd8    Not tainted
Using defaults from ksymoops -t elf32-tradbigmips -a mips:3000
Status: 3000cc03
Cause : 00008010
Process mount (pid: 20, stackpage=8bb32000)
Stack: 8813c7e4 8813c780 24a5cb60 00000010 88040984 883bc76c 8803258c 8803244c
       2acf6000 2acfb000 8816fb5c ffffffbf 00000040 88030a50 8bb95300 2acf6000
       00000000 00000000 00000001 00005000 2acfb000 00000000 2b0f6000 8bb95244
       8816f300 8bb9d2b0 8bb973d4 880393e0 8816f31c 8bb95360 8bb95360 2acf5b6c
       8bb33ebc 8bb33eb8 8bb33ec0 8bb95300 00000073 2acf6000 8816f300 00000000
       00005000 ...
Code: 00000000  bc600000  bc600020 <bc600040> bc600060  bc600080  bc6000a0  
bc6000c0  bc6000e0 


>>$1; 3000cc02 Before first symbol
>>$2; c0006000 <END_OF_CODE+37e4edb0/????>
>>$3; c0006622 <END_OF_CODE+37e4f3d2/????>
>>$4; 00031180 Before first symbol
>>$5; 88185d98 <swap_info+0/708>
>>$6; 00031180 Before first symbol
>>$8; 88185d98 <swap_info+0/708>
>>$9; 07200720 Before first symbol
>>$10; 07200720 Before first symbol
>>$11; 07200720 Before first symbol
>>$12; 07200720 Before first symbol
>>$14; 881b5cc0 <font_data+0/fc>
>>$15; 07200720 Before first symbol
>>$16; 8816fb5c <netfilter_init+10/48>
>>$18; 00031180 Before first symbol
>>$19; 00121000 Before first symbol
>>$20; 0030a000 Before first symbol
>>$21; 8bb95244 <END_OF_CODE+39ddff4/????>
>>$22; 2b0f6000 Before first symbol
>>$23; 00005000 Before first symbol
>>$26; 8bb32000 <END_OF_CODE+397adb0/????>
>>$27; 8bb33df8 <END_OF_CODE+397cba8/????>
>>$29; 88040984 <free_swap_and_cache+20/114>

>>PC;  88016cd8 <r4k_flush_cache_range_d32i32+dc/16c>   <=====

Code;  88016ccc <r4k_flush_cache_range_d32i32+d0/16c>
00000000 <_PC>:
Code;  88016ccc <r4k_flush_cache_range_d32i32+d0/16c>
   0:   00000000  nop
Code;  88016cd0 <r4k_flush_cache_range_d32i32+d4/16c>
   4:   bc600000  0xbc600000
Code;  88016cd4 <r4k_flush_cache_range_d32i32+d8/16c>
   8:   bc600020  0xbc600020
Code;  88016cd8 <r4k_flush_cache_range_d32i32+dc/16c>   <=====
   c:   bc600040  0xbc600040   <=====
Code;  88016cdc <r4k_flush_cache_range_d32i32+e0/16c>
  10:   bc600060  0xbc600060
Code;  88016ce0 <r4k_flush_cache_range_d32i32+e4/16c>
  14:   bc600080  0xbc600080
Code;  88016ce4 <r4k_flush_cache_range_d32i32+e8/16c>
  18:   bc6000a0  0xbc6000a0
Code;  88016ce8 <r4k_flush_cache_range_d32i32+ec/16c>
  1c:   bc6000c0  0xbc6000c0
Code;  88016cec <r4k_flush_cache_range_d32i32+f0/16c>
  20:   bc6000e0  0xbc6000e0


4th boot:
        Using 2.4.16 (from Debian installer) and everything is fine
        again. Cache issues again?


MfG, JBG

-- 
Jan-Benedict Glaw   .   jbglaw@lug-owl.de   .   +49-172-7608481
         -- New APT-Proxy written in shell script --
           http://lug-owl.de/~jbglaw/software/ap2/

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