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    SubjectRe: Startup IPI (was: Re: test13-pre3)

    On Tue, 19 Dec 2000 wrote:
    [snip of Petr's system info]

    > Okay. Mine, as far as I can tell, only depends on the L2 cache being set
    > to '64MB' instead of '512MB' in the field 'L2 Cache Cacheable Size' under
    > 'Chipset Features Setup' on my BIOS. This is unfortunately the latest BIOS
    > for this motherboard available. It's a TD5TH version 1.1
    > Hmmmm. Have you tried booting with an hercmono (if you can get your paws
    > on one, that is)?.
    > Right after 'Freeing unused kernel memory...'
    > I get a kernel BUG at buffer.c:821 with this setting at 256MB, -test12
    > without fbcon. With fbcon it would appear to switch video mode and
    > freeze with a black screen with cursor at the bottom, at that point.
    > And then I get an oops dump in the swapper task. I'll try decoding it in a
    > little while, since I'll have to manually input it.

    Here we go: I DID have to copy it onto paper and type it in after

    >>EIP; c01354a6 <end_buffer_io_async+ea/12c> <=====
    Trace; c0217d72 <tvecs+3a1e/b81c>
    Trace; c02180da <tvecs+3d86/b81c>
    Trace; c0186e85 <end_that_request_first+65/c0>
    Trace; c019e238 <ide_end_request+34/88>
    Trace; c01a22b7 <read_intr+e7/120>
    Trace; c019fb0e <ide_intr+12a/194>
    Trace; c01a21d0 <read_intr+0/120>
    Trace; c010c2d1 <handle_IRQ_event+59/84>
    Trace; c010c4b8 <do_IRQ+a8/fc>
    Trace; c0108d40 <default_idle+0/34>
    Trace; c010ac00 <ret_from_intr+0/20>
    Trace; c0108d40 <default_idle+0/34>
    Trace; c0108dbc <cpu_idle+28/54>
    Trace; c0108dd2 <cpu_idle+3e/54>
    Trace; c0105000 <empty_bad_page+0/1000>
    Trace; c01001cf <L6+0/2>
    Code; c01354a6 <end_buffer_io_async+ea/12c>
    0000000000000000 <_EIP>:
    Code; c01354a6 <end_buffer_io_async+ea/12c> <=====
    0: 0f 0b ud2a <=====
    Code; c01354a8 <end_buffer_io_async+ec/12c>
    2: 83 c4 0c add $0xc,%esp
    Code; c01354ab <end_buffer_io_async+ef/12c>
    5: 90 nop
    Code; c01354ac <end_buffer_io_async+f0/12c>
    6: 8d 74 26 00 lea 0x0(%esi,1),%esi
    Code; c01354b0 <end_buffer_io_async+f4/12c>
    a: 8d 5e 28 lea 0x28(%esi),%ebx
    Code; c01354b3 <end_buffer_io_async+f7/12c>
    d: 8d 46 2c lea 0x2c(%esi),%eax
    Code; c01354b6 <end_buffer_io_async+fa/12c>
    10: 39 46 2c cmp %eax,0x2c(%esi)
    Code; c01354b9 <end_buffer_io_async+fd/12c>
    13: 74 00 je 15 <_EIP+0x15> c01354bb

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