From: Larry Finger <Larry.Finger@lwfinger.net>
To: John Linville <linville@tuxdriver.com>
Cc: wireless <linux-wireless@vger.kernel.org>
Subject: Your netbook
Date: Tue, 30 Mar 2010 10:23:51 -0500 [thread overview]
Message-ID: <4BB21787.4040501@lwfinger.net> (raw)
John,
If possible, I would like you to do one more test on that troublesome netbook.
Please build a kernel with CONFIG_MMIOTRACE=y and build the Broadcom wl driver
for it. Starting with wl unloaded, issue the following commands (as root):
echo 10000 > /sys/kernel/debug/tracing/buffer_size_kb
echo mmiotrace > /sys/kernel/debug/tracing/current_tracer
cat /sys/kernel/debug/tracing/trace_pipe > wl_dump.txt &
modprobe -v wl
After the wireless network device gets created, etc., then
echo nop > /sys/kernel/debug/tracing/current_tracer
sleep 1
killproc cat
and send me the file wl_dump.txt. With it, I will be able to see if the Broadcom
driver is actually finding an SPROM that b43 is missing.
Thanks,
Larry
next reply other threads:[~2010-03-30 15:23 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-03-30 15:23 Larry Finger [this message]
2010-03-30 20:28 ` Your netbook John W. Linville
2010-03-30 20:50 ` Larry Finger
2010-03-30 21:30 ` Larry Finger
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