Hi Steinar, 2015-09-06 16:35 GMT+02:00 Steinar H. Gunderson <sgunder...@bigfoot.com>: > Package: libcec3 > Version: 3.0.1+dfsg2-4 > Severity: grave > > Hi, > > Recently, Kodi has started segfaulting on startup, pointing to libcec3. > A backtrace reads: > > #0 0x00007fffecf55789 in __readdir (dirp=dirp@entry=0x0) at > ../sysdeps/posix/readdir.c:44 > #1 0x00007fffc81d8b74 in PLATFORM::CDRMEdidParser::GetPhysicalAddress > (this=this@entry=0x7fffc29e8550) > at > /home/sesse/nmu/libcec-3.0.1+dfsg2/src/libcec/platform/drm/drm-edid.cpp:54 > #2 0x00007fffc81e4c0e in > CEC::CUSBCECAdapterCommunication::GetPhysicalAddress (this=0x7fffb4000f50) > at > /home/sesse/nmu/libcec-3.0.1+dfsg2/src/libcec/adapter/Pulse-Eight/USBCECAdapterCommunication.cpp:697 > #3 0x00007fffc81baaec in CEC::CCECClient::AutodetectPhysicalAddress > (this=0x1a7cab0) > at /home/sesse/nmu/libcec-3.0.1+dfsg2/src/libcec/CECClient.cpp:1224 > #4 0x00007fffc81b884c in CEC::CCECClient::SetPhysicalAddress > (this=0x1a7cab0, configuration=...) > at /home/sesse/nmu/libcec-3.0.1+dfsg2/src/libcec/CECClient.cpp:236 > #5 0x00007fffc81bcdcb in CEC::CCECClient::OnRegister (this=0x1a7cab0) at > /home/sesse/nmu/libcec-3.0.1+dfsg2/src/libcec/CECClient.cpp:138 > #6 0x00007fffc81cd4d2 in CEC::CCECProcessor::RegisterClient (this=0x1a76840, > client=std::shared_ptr (count 4, weak 0) 0x1a7cab0) > at /home/sesse/nmu/libcec-3.0.1+dfsg2/src/libcec/CECProcessor.cpp:899 > #7 0x00007fffc81d3e7a in CEC::CLibCEC::Open (this=0x1a78d10, > strPort=<optimized out>, iTimeoutMs=<optimized out>) > at /home/sesse/nmu/libcec-3.0.1+dfsg2/src/libcec/LibCEC.cpp:91 > #8 0x00000000010cdd39 in > PERIPHERALS::CPeripheralCecAdapter::OpenConnection() () > #9 0x00000000010d0434 in PERIPHERALS::CPeripheralCecAdapter::Process() () > #10 0x000000000113f56f in CThread::Action() () > #11 0x000000000113f832 in CThread::staticThread(void*) () > #12 0x00007ffff55ad0a4 in start_thread (arg=0x7fffc29e9700) at > pthread_create.c:309 > #13 0x00007fffecf8807d in clone () at > ../sysdeps/unix/sysv/linux/x86_64/clone.S:111 > > It would seem libcec3 unconditionally assumes /sys/class/drm exists > (it does not on my system using the proprietary NVIDIA driver, since > that driver doesn't use drm), and then segfaults when it doesn't. > > Could you please add a check for the NULL value? Thank you for the detailed bug report. Could you please test the fix built here?: http://debomatic-amd64.debian.net/distribution#unstable/libcec/3.0.1+dfsg2-5
Thanks, Balint
