Re: interrupt context

[Jeremy Hall <jhall@maoz.com>]

In the new year, Jeremy Hall wrote:
> In the new year, Robert Love wrote:
> > On Mon, 2003-04-14 at 17:48, Jeremy Hall wrote:
> > 
> yes sorry for the silly dialog.  I'll post a backtrace so maybe it will be 
> more clear.
> 
and btw I appreciate your help. :)

Script started on Mon Apr 14 23:44:43 2003
Rainbow:/usr/src/linux-2.5.67 # gdb vmlinux
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This GDB was configured as "i686-pc-linux-gnu"...
gdb_interrupt (irq=4, dev_id=0x0, regs=0xdae4fc74)
    at arch/i386/lib/kgdb_serial.c:194
194	            continue ;
warning: shared library handler failed to enable breakpoint
(gdb) bt
#0  gdb_interrupt (irq=4, dev_id=0x0, regs=0xdae4fc74)
    at arch/i386/lib/kgdb_serial.c:194
#1  0xc010cd68 in handle_IRQ_event (irq=4, regs=0xdae4fc74, action=0xdffee640)
    at arch/i386/kernel/irq.c:214
#2  0xc010cfd1 in do_IRQ (regs=
      {ebx = -604748800, ecx = 32, edx = -604748632, esi = -604748632, edi = 10, ebp = -622527312, eax = -622534656, xds = 123, xes = 123, orig_eax = -252, eip = -1072561613, xcs = 96, eflags = 646, esp = -604748800, xss = -1049704384})
    at arch/i386/kernel/irq.c:395
#3  0xc010b60c in common_interrupt () at net/8021q/vlan.c:130
#4  0xc033b857 in snd_pcm_period_elapsed (substream=0xc16ec840)
    at sound/core/pcm_lib.c:2014
#5  0xc0340fa8 in snd_rme9652_interrupt (irq=10, dev_id=0xc1679dc8, 
    regs=0xdae4fd20) at sound/pci/rme9652/rme9652.c:1959
#6  0xc010cd68 in handle_IRQ_event (irq=10, regs=0xdae4fd20, action=0xc1700be0)
    at arch/i386/kernel/irq.c:214
#7  0xc010cfd1 in do_IRQ (regs=
      {ebx = -622534656, ecx = 1, edx = 578454, esi = -1049704384, edi = -604748800, ebp = -622527128, eax = -1049974272, xds = 123, xes = 123, orig_eax = -246, eip = -1070407894, xcs = 96, eflags = 514, esp = -622534656, xss = -1049704384}) at arch/i386/kernel/irq.c:395
#8  0xc010b60c in common_interrupt () at net/8021q/vlan.c:130
#9  0xc0332d81 in snd_pcm_stop (substream=0xc16ec9c0, state=4)
    at sound/core/pcm_native.c:712
#10 0xc0338030 in snd_pcm_update_hw_ptr_interrupt (substream=0xc16ec9c0)
    at sound/core/pcm_lib.c:179
#11 0xc033b88e in snd_pcm_period_elapsed (substream=0xc16ec9c0)
    at sound/core/pcm_lib.c:2016
#12 0xc0340fa8 in snd_rme9652_interrupt (irq=12, dev_id=0xc17171c8, 
    regs=0xdae4fe2c) at sound/pci/rme9652/rme9652.c:1959
#13 0xc010cd68 in handle_IRQ_event (irq=12, regs=0xdae4fe2c, action=0xc1700340)
    at arch/i386/kernel/irq.c:214
#14 0xc010cfd1 in do_IRQ (regs=
      {ebx = 1064997, ecx = 433565696, edx = -1069105792, esi = -1053505848, edi = -640172440, ebp = -622526864, eax = 3688, xds = 123, xes = 123, orig_eax = -244, eip = -1072398266, xcs = 96, eflags = 582, esp = -613946388, xss = -602417088}) at arch/i386/kernel/irq.c:395
#15 0xc010b60c in common_interrupt () at net/8021q/vlan.c:130
#16 0xc01481b8 in do_no_page (mm=0xdc17d840, vma=0xd6070cc0, 
    address=3204030464, write_access=1, page_table=0xd9d7be68, pmd=0xdb67ebec)
    at mm/memory.c:1332
#17 0xc014870c in handle_mm_fault (mm=0xdc17d840, vma=0xd6070cc0, 
    address=3204030464, write_access=1) at mm/memory.c:1483
#18 0xc0146e55 in get_user_pages (tsk=0xdbde8cc0, mm=0xdc17d840, 
    start=3204030464, len=102, write=1, force=0, pages=0x0, vmas=0x0)
    at mm/memory.c:718
#19 0xc01488b4 in make_pages_present (addr=3202351104, end=3204448256)
    at mm/memory.c:1580
#20 0xc0149f3c in do_mmap_pgoff (file=0x0, addr=3202351104, len=2097152, 
---Type <return> to continue, or q <return> to quit---
    prot=7, flags=34, pgoff=0) at mm/mmap.c:733
#21 0xc0111701 in old_mmap (arg=0x40c37e0c) at arch/i386/kernel/sys_i386.c:59
(gdb) up

> _J
> 
> > 	Robert Love
> > 
> 

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