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Issue 203492: Flaky crash in chromeos::LoginUtils::DoBrowserLaunch
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Project Member Reported by davidjames@chromium.org, Sep 14, 2011
From http://chromeos-botmaster.mtv.corp.google.com:8026/builders/x86-zgb%20canary/builds/790

Crash reason:  SIGSEGV
Crash address: 0x0

Thread 0 (crashed)
 0  chrome!chromeos::LoginUtils::DoBrowserLaunch [login_utils.cc : 1139 + 0xb]
    eip = 0x7417f993   esp = 0x7f835ff0   ebp = 0x7f836128   ebx = 0x779a9ff4
    esi = 0x7f83602c   edi = 0x78f1080b   eax = 0x00000000   ecx = 0x7f835d24
    edx = 0x78f1080b   efl = 0x00010202
    Found by: given as instruction pointer in context
 1  0xabababaa
    eip = 0xabababab   esp = 0x7f836130   ebp = 0xabababab   ebx = 0xabababab
    esi = 0xabababab   edi = 0xabababab
    Found by: call frame info

Log artifacts are archived at https://sandbox.google.com/storage/chromeos-image-archive/x86-zgb-release/0.16.1036.0-a1-b790

Sep 14, 2011
#1 stevenjb@chromium.org
Any thoughts on what might be going on here?

Owner: rhashim...@chromium.org
Cc: stevenjb@chromium.org
Sep 14, 2011
#2 stevenjb@chromium.org
+cmasone
Cc: cmasone@chromium.org
Sep 14, 2011
#3 cmasone@chromium.org
I haven't touched that code in many months :-/
Sep 14, 2011
#4 rhashim...@chromium.org
Assuming that the stack is correct, it looks like the |login_host| argument passed to LoginUtils::DoBrowserLaunch() is invalid.  Unfortunately, we don't get to see where it came from.
Sep 16, 2011
#5 rhashim...@chromium.org
Unassigning myself from this bug since it appears whatever went wrong happened outside DoBrowserLaunch(), and today is my last day.
Owner: ---
Sep 16, 2011
#6 stevenjb@chromium.org
I'll take ownership of this and keep an eye out for crashes with more info. Downgrading to a P1 until/unless it starts showing up frequently.
Owner: stevenjb@chromium.org
Cc: davidjames@chromium.org
Labels: -Pri-0 Pri-1 Mstone-R16
Sep 16, 2011
#7 derat@chromium.org
(No comment was entered for this change.)
Status: Assigned
Sep 26, 2011
#8 stevenjb@chromium.org
I am hopeful that this might be a strange incarnation of https://code.google.com/p/chromium-os/issues/detail?id=18269, or one of the other shutdown issues we have seen.

Because the call stack has very little useful information, I am going to mark this 'WontFix.' If it is still valid, hopefully we will be able to jump on it more quickly now and actually debug it.

Sep 26, 2011
#9 stevenjb@chromium.org
(No comment was entered for this change.)
Status: WontFix
Mar 6, 2013
#10 bugdroid1@chromium.org
(No comment was entered for this change.)
Labels: OS-Chrome
Mar 9, 2013
#11 bugdroid1@chromium.org
(No comment was entered for this change.)
Labels: -TreeCloser -Mstone-R16 Hotlist-TreeCloser M-16
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