On 1/30/07, Tomasz Kvarsin <[email protected]> wrote:
On 1/30/07, Andrew Morton <[email protected]> wrote:
> On Fri, 5 Jan 2007 17:20:38 +0300
> "Tomasz Kvarsin" <[email protected]> wrote:
>
> > I can not boot machine with 2.6.20-rc3-mm1 and 2.6.20-rc2-mm1.
> > I made binary search, patch bellow cause this bug:
> > $quilt top
> > patches/sched-improve-sched_clock-on-i686.patch
> >
> > backtrace which I got by connecting "gdb" to machine:
> >
> > _raw_spin_lock (lock=0xc06c0c60) at lib/spinlock_debug.c:108
> > 108 for (i = 0; i < loops; i++) {
> > (gdb) bt
> > #0 _raw_spin_lock (lock=0xc06c0c60) at lib/spinlock_debug.c:108
> > #1 0xc056ac42 in _spin_lock (lock=0xc06c0c60) at kernel/spinlock.c:182
> > #2 0xc011c3bb in vprintk (fmt=0xc0649c00 "<0>BUG: spinlock %s on
> > CPU#%d, %s/%d\n",
> > args=0xc1167a84 "") at kernel/printk.c:534
> > #3 0xc011c6c7 in printk (fmt=0xc0649c00 "<0>BUG: spinlock %s on
> > CPU#%d, %s/%d\n")
> > at kernel/printk.c:508
> > #4 0xc027be42 in spin_bug (lock=0xc06c0c60, msg=0xc065fc00
> > "recursion") at lib/spinlock_debug.c:61
> > #5 0xc027c178 in _raw_spin_lock (lock=0xc06c0c60) at lib/spinlock_debug.c:79
> > #6 0xc056ac42 in _spin_lock (lock=0xc06c0c60) at kernel/spinlock.c:182
> > #7 0xc011c3bb in vprintk (fmt=0xc0626ed0 "<1>BUG: unable to handle
> > kernel paging request",
> > args=0xc1167b8c "") at kernel/printk.c:534
> > #8 0xc011c6c7 in printk (fmt=0xc0626ed0 "<1>BUG: unable to handle
> > kernel paging request")
> > at kernel/printk.c:508
> > #9 0xc0116de4 in do_page_fault (regs=0xc1167bcc, error_code=0) at
> > arch/i386/mm/fault.c:555
> > #10 0xc056b11c in page_fault ()
> > #11 0xc0808160 in ?? ()
> > #12 0xc0626ed0 in kallsyms_token_index ()
> > #13 0xc1167cac in ?? ()
> > #14 0x00000001 in ?? ()
> > #15 0xc0808163 in printk_buf.19225 ()
> > #16 0xc1167c0c in ?? ()
> > #17 0x00000000 in ?? ()
>
> Tomasz, is this still happening in 2.6.20-rc6-mm3?
>
Have no idea, I tryied to test 2.6.20-rc6-mm2, but
build failed, I will try -mm3.
2.6.20-rc6-mm3 seems to work ok.
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