On 6/3/06, Barry K. Nathan <[email protected]> wrote:
I was already doing OPTIMIZE_FOR_SIZE. I didn't think of disabling
FORCED_INLINING, thanks for reminding me of that. I managed to trim
the kernel in other ways.
Hmm... disabling FORCED_INLINING didn't make much if any difference.
> also, the latest combo patch:
>
> http://redhat.com/~mingo/lockdep-patches/lockdep-combo-2.6.17-rc5-mm2.patch
>
> should have the floppy bug(s) fixed.
I'll try that later today (and I'll also provide the
/proc/latency_trace to help figure out the warning). In the meantime,
[snip]
Yes, the latest combo patch works. It still gives the warning, too
(copied here since it looks slightly different with the latency trace
patch added):
[ 197.343620] ( idle-0 |#0): new 120978036 us user-latency.
[ 197.343807] stopped custom tracer.
[ 197.343948] BUG: warning at kernel/lockdep.c:1856/trace_hardirqs_on()
[ 197.345928] [<c010329b>] show_trace_log_lvl+0x5b/0x105
[ 197.346359] [<c0103896>] show_trace+0x1b/0x20
[ 197.346759] [<c01038ed>] dump_stack+0x1f/0x24
[ 197.347159] [<c012efa2>] trace_hardirqs_on+0xfb/0x185
[ 197.348873] [<c029b009>] _spin_unlock_irq+0x24/0x2d
[ 197.350620] [<e09034e8>] do_tx_done+0x171/0x179 [ns83820]
[ 197.350895] [<e090445c>] ns83820_irq+0x149/0x20b [ns83820]
[ 197.351166] [<c013b4b8>] handle_IRQ_event+0x1d/0x52
[ 197.353216] [<c013c6c2>] handle_level_irq+0x97/0xe1
[ 197.355157] [<c01048c3>] do_IRQ+0x8b/0xac
[ 197.355612] [<c0102d9d>] common_interrupt+0x25/0x2c
I've posted the /proc/latency_trace here:
http://members.cox.net/barrykn/linux/trace/latency_trace.bz2
It turns out that I was *way* off on the size in my last mail. It's
actually close to 9MB decompressed, 370K bz2-compressed.
--
-Barry K. Nathan <[email protected]>
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