You've deadlocked over my old friend console_lock. I can't
see _why_ though. Was this with the same setup, using the
serial console? If so then probably the other CPU was
stuck in the serial console driver, holding console_lock.
Jeff Lightfoot wrote:
>
> On Sunday 21 January 2001 11:41, I wrote:
> > Nothing special with this box. SMP no modules, Squid proxy and
> > running VNC/Pan at the time. Using kernel version of reiserfs on
> > filesystems other than root.
>
> I also failed to mention that I use devfs.
>
> [Oops snipped]
>
> Upgraded to 2.4.1pre9 and got the following Oops:
>
> EIP: 0010:[<c022b533>]
> Using defaults from ksymoops -t elf32-i386 -a i386
> EFLAGS: 00000086
> eax: 00000001 ebx: 00000001 ecx: 00000001 edx: c0238440
> esi: c02d7068 edi: 00000020 ebp: 0000000d esp: c7a63ed0
> ds: 0018 es: 0018 ss: 0018
> Process pan (pid: 2318, stackpage=c7a63000)
> Stack: 00000001 c02d7068 00000020 0000000d 00000082 00000001 c02da381
> 0000001e
> c01125bf c0238440 00000001 00000001 00000001 00000001 c0233d6d
> 00000001
> 00000020 c02f502c c02d7068 00000020 0000000d ffffe000 c1460018
> c0100018
> Call Trace: [<c01125bf>] [<c0100018>] [<c01ed565>] [<c011916c>]
> [<c010a8c5>] [<c0109014>] [<ffff0018>]
> [<c0130018>] [<c0130e19>] [<c0108f53>] [<c010002b>]
> Code: 80 3d c0 6d 28 c0 00 f3 90 7e f5 e9 d6 b7 ee ff 80 3d c0 6d
>
> >>EIP; c022b533 <stext_lock+787/662d> <=====
> Trace; c01125bf <smp_error_interrupt+43/48>
> Trace; c0100018 <startup_32+18/cb>
> Trace; c01ed565 <net_tx_action+5/118>
> Trace; c011916c <do_softirq+5c/8c>
> Trace; c010a8c5 <do_IRQ+e5/f4>
> Trace; c0109014 <ret_from_intr+0/20>
> Trace; ffff0018 <END_OF_CODE+3fcd7e44/????>
> Trace; c0130018 <sys_fchdir+c/11c>
> Trace; c0130e19 <sys_read+a1/c4>
> Trace; c0108f53 <system_call+33/38>
> Trace; c010002b <startup_32+2b/cb>
> Code; c022b533 <stext_lock+787/662d>
> 00000000 <_EIP>:
> Code; c022b533 <stext_lock+787/662d> <=====
> 0: 80 3d c0 6d 28 c0 00 cmpb $0x0,0xc0286dc0 <=====
> Code; c022b53a <stext_lock+78e/662d>
> 7: f3 90 repz nop
> Code; c022b53c <stext_lock+790/662d>
> 9: 7e f5 jle 0 <_EIP>
> Code; c022b53e <stext_lock+792/662d>
> b: e9 d6 b7 ee ff jmp ffeeb7e6 <_EIP+0xffeeb7e6>
> c0116d19 <printk+11/17c>
> Code; c022b543 <stext_lock+797/662d>
> 10: 80 3d c0 6d 00 00 00 cmpb $0x0,0x6dc0
>
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