Messages in this thread | | | From | Dirk Gouders <> | Subject | Re: [BUG] Problem with commit cf03c5dac83609f09d9f0e9fa3c09d86daed614d | Date | Thu, 26 Jul 2012 17:07:57 +0200 |
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Seth Forshee <seth.forshee@canonical.com> writes:
> On Thu, Jul 26, 2012 at 03:28:44PM +0200, Dirk Gouders wrote: >> Hi Seth, >> >> today, I noticed a problem with the current kernel >> (3.5.0-04773-gbdc0077): my laptop hangs during boot -- the last message >> on the console is printed just before invoking `udevadm trigger'. >> >> I bisected the problem and ended at commit >> cf03c5dac83609f09d9f0e9fa3c09d86daed614d (brcm80211: smac: inform >> mac80211 of the X2 regulatory domain). However, I'm not sure that this >> commit really is the reason for my problems, because the behaviour is a >> bit different: at that state the machine not just hangs but the console >> shows a trace which I append to the end of this mail -- but the trace >> happens at the same state during the boot process. > > Hi Dirk, > > The NULL pointer dereference in wlc_phy_chanspec_band_validch is already > fixed in edc7651f3a4ffa7fca37d92401562694121512ad. There was also > another related crash that appeared after the introduction of 802.11ad > support that's fixed in 32c336a5dfd16b4645c8a0dbc534efd02f079e02. > > So in all likelihood whatever problem your seeing in current -git is a > different issue. One easy way to test this would be to prevent the > brcmsmac module from loading and verify that you still get the hang, > then rerun the bisection that way to keep those bugs from affecting your > results.
Hi Seth,
thanks for your reply and sorry for the noise.
I followed your advice and tried to boot with the WLAN interface turned off, and the problem still exists. I'll start a new bisect session, probably with one of the commits you mentioned as the first good commit.
Best regards,
Dirk
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