> Part I, here you are.
>
> Linux 2.2.1 has hanged in the same way five times in
> three weeks.
...
Well, I just used 2.2.0-pre6 for 14 days without any probs. When
2.2.4 was released, I decided to collect more hex-numbers.
Same hw setup, .config etc as with 2.2.*...
And again, only running bladeenc...
First try (uptime 29h): 2.2.4 rebooted itself, no hex.
Second try (uptime 23h): freezed in X, no hex.
Third try (uptime 8h): freeze in console and screen full of hex numbers!
So full that the 1st line (at least) was missing (so no EAX etc regs) :(
ESI:c0328fc0 EDI:c21dc1d4 EBP:c21dc000 ESP:c21dc240
Process: 24,ac,84,dc,9a,18,0e,... (I hexified the chars (yes, odd))
Pid: 4 (it was ***kswapd*** after the next boot)
Pr.number: 39
stackpage c21dd000
[if some hex nr maps to a symbol, I appended it after the hex]
stack:
ffffffff c0328fc0 c21dc1d4 c21dc000 c011335e(printk)
c21dc2f4 c01384cd(sem_exit) c0328fc0 c21dc2f4 0000000b
00000020 c21dc000 c0119278(acct_process) c21dc000 c21dc1d4
c011684f(do_exit) 0000000b c21dc2f4 00000020 c21dc000
c01168b4(do_exit) 00010202 c21dc000
[call trace as seen on my screen, notice how it gets truncated at 80 chars!
every sixth value is quite useless...]
Call trace: [<c011335e>] [<c01384cd>] [<c0119278>] [<c011684f>] [<c01168b4>] [<c
printk sem_exit acct_process do_exit do_exit
[<c01e0e8e>] [<c010ead4>] [<c01e0e8e>] [<c01096ad>] [<c01168b4>] [<c01100
error_table do_page_fault error_table error_code do_exit ???
[<c0109ac4>] [<c01df9f8>] [<c01e0e8e>] [<c010ead4>] [<c01e0e8e>] [<c01133
die_if_no_fixup error_table error_table do_page_fault error_table ???
[loads of call traces, then...]
code: c7 05 00 00 00 00 00 00 00 00 83 c4 08 5b 5e 5f 5d 59 5a c3
and as we all know, this is at mm/slab.c:
/* FORCE A KERNEL DUMP WHEN THIS HAPPENS. SPEAK IN ALL CAPS.
*(int *) 0 = 0;
Aiee, killing interrupt handler
kfree: Bad obj c010ead4 (do_page_fault)
**********
oh, speaking of kswapd,
[root@safari /wrk/mp3]# swapon -s
Filename Type Size Used Priority
/dev/hda10 partition 72256 2524 1
/dev/hdc1 partition 126972 2496 1
those disks have been given 'hdparm -X34 -d1 -u1 -c1 -m16'...
That's about it. If this freeze-bug is fixed in 2.2.5, I'd be very
pleased to hear it from someone who knows it FOR SURE! Thanks.
Please CC :)
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