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SubjectRe: Linux 4.18-rc7
<div dir="ltr">my x86 report<div><br></div><div>isPrevious: true</div><div>Build: Android-x86/android_x86/x86:8.1.0/OPM6.171019.030.B1/cwhuang0618:userdebug/test-keys</div><div>Hardware: unknown</div><div>Revision: 0</div><div>Bootloader: unknown</div><div>Radio: unknown</div><div>Kernel: Linux version 4.18.0-rc7-android-x86_64+ (root@localhost) (gcc version 8.2.0 (Ubuntu 8.2.0-1ubuntu2)) #1 SMP PREEMPT Mon Jul 30 12:26:29 CST 2018</div><div><br></div><div>*** *** *** *** *** *** *** *** *** *** *** *** *** *** *** ***</div><div>Build fingerprint: &#39;Android-x86/android_x86/x86:8.1.0/OPM6.171019.030.B1/cwhuang0618:userdebug/test-keys&#39;</div><div>Revision: &#39;0&#39;</div><div>ABI: &#39;x86&#39;</div><div>pid: 2899, tid: 2899, name: zygote  &gt;&gt;&gt; zygote &lt;&lt;&lt;</div><div>signal 7 (SIGBUS), code 2 (BUS_ADRERR), fault addr 0xec00008</div><div>    eax 00000000  ebx f0274a40  ecx 000001e0  edx 0ec00008</div><div>    esi 00000000  edi 0ec00000</div><div>    xcs 00000023  xds 0000002b  xes 0000002b  xfs 00000003  xss 0000002b</div><div>    eip f24a4996  ebp ffc4eaa8  esp ffc4ea68  flags 00010202</div><div><br></div><div>backtrace:</div><div>    #00 pc 0001a996  /system/lib/libc.so (memset+150)</div><div>    #01 pc 0022b2be  /system/lib/libart.so (create_mspace_with_base+222)</div><div>    #02 pc 002b2a05  /system/lib/libart.so (art::gc::space::DlMallocSpace::CreateMspace(void*, unsigned int, unsigned int)+69)</div><div>    #03 pc 002b2637  /system/lib/libart.so (art::gc::space::DlMallocSpace::CreateFromMemMap(art::MemMap*, std::__1::basic_string&lt;char, std::__1::char_traits&lt;char&gt;, std::__1::allocator&lt;char&gt;&gt; const&amp;, unsigned int, unsigned int, unsigned int, unsigned int, bool)+55)</div><div>    #04 pc 0027f6af  /system/lib/libart.so (art::gc::Heap::Heap(unsigned int, unsigned int, unsigned int, unsigned int, double, double, unsigned int, unsigned int, std::__1::basic_string&lt;char, std::__1::char_traits&lt;char&gt;, std::__1::allocator&lt;char&gt;&gt; const&amp;, art::InstructionSet, art::gc::CollectorType, art::gc::CollectorType, art::gc::space::LargeObjectSpaceType, unsigned int, unsigned int, unsigned int, bool, unsigned int, unsigned int, bool, bool, bool, bool, bool, bool, bool, bool, bool, bool, bool, unsig    #05 pc 0055a17a  /system/lib/libart.so (_ZN3art7Runtime4InitEONS_18RuntimeArgumentMapE+11434)</div><div>    #06 pc 0055e928  /system/lib/libart.so (art::Runtime::Create(std::__1::vector&lt;std::__1::pair&lt;std::__1::basic_string&lt;char, std::__1::char_traits&lt;char&gt;, std::__1::allocator&lt;char&gt;&gt;, void const*&gt;, std::__1::allocator&lt;std::__1::pair&lt;std::__1::basic_string&lt;char, std::__1::char_traits&lt;char&gt;, std::__1::allocator&lt;char&gt;&gt;, void const*&gt;&gt;&gt; const&amp;, bool)+184)</div><div>    #07 pc 003a1117  /system/lib/libart.so (JNI_CreateJavaVM+647)</div><div>    #08 pc 000044ae  /system/lib/libnativehelper.so (JNI_CreateJavaVM+46)</div><div>    #09 pc 00078d1d  /system/lib/libandroid_runtime.so (android::AndroidRuntime::startVm(_JavaVM**, _JNIEnv**, bool)+7581)</div><div>    #10 pc 000791fb  /system/lib/libandroid_runtime.so (android::AndroidRuntime::start(char const*, android::Vector&lt;android::String8&gt; const&amp;, bool)+395)</div><div>    #11 pc 00003119  /system/bin/app_process32 (main+1689)</div><div>    #12 pc 000b6a34  /system/lib/libc.so (__libc_init+100)</div><div>    #13 pc 000029dd  /system/bin/app_process32 (_start_main+80)</div><div>    #14 pc 000029e8  /system/bin/app_process32 (_start+10)</div><div>    #15 pc 00000004  &lt;unknown&gt;</div><div>    #16 pc 00020b69  [stack:ffc31000]</div></div><div class="gmail_extra"><br><div class="gmail_quote">2018-08-01 0:29 GMT+08:00 Linus Torvalds <span dir="ltr">&lt;<a href="mailto:torvalds@linux-foundation.org" target="_blank">torvalds@linux-foundation.org</a>&gt;</span>:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><span class="">On Mon, Jul 30, 2018 at 11:40 PM Amit Pundir &lt;<a href="mailto:amit.pundir@linaro.org">amit.pundir@linaro.org</a>&gt; wrote:<br>
&gt;<br>
&gt; This ashmem change ^^ worked too.<br>
<br>
</span>Ok, let&#39;s go for that one and hope it&#39;s the only one.<br>
<br>
John, can I get a proper commit message and sign-off for that ashmem change?<br>
<br>
Kirill - you mentioned that somebody reproduced a problem on x86-64<br>
too. I didn&#39;t see that report. Was that some odd x86 Android setup<br>
with Ashmem too, or is there something else pending?<br>
<span class="HOEnZb"><font color="#888888"><br>
                       Linus<br>
</font></span></blockquote></div><br></div>
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