Hi,

I'm not a programmer and I'm not sure where to go with this but I thought that I'd try here first. I'm running vdr 1.6.0-2 on Arch Linux x86_64. The Arch glibc package was upgraded from 2.12.1 to 2.12.2 recently, with associated toolchain package updates. After the upgrade, vdr started segfaulting when it was run so I recompiled it with debugging symbols and got the following backtrace from gdb:


(gdb) bt
#0  0x0000000000000001 in ?? ()
#1  0x00000000004f2d06 in ?? ()
#2  0x00007fff1bb0269f in ?? ()
#3 0x00000000004c2775 in cRwLock::Lock (this=0x72bb40, Write=true, TimeoutMs=<value optimized out>) at thread.c:163 #4 0x000000000047d382 in cSchedulesLock::cSchedulesLock (this=0x7fff1bb0269f, WriteLock=<value optimized out>, TimeoutMs=<value optimized out>) at epg.c:911
#5  0x000000000047dd06 in cSchedules::Read (f=0x0) at epg.c:1014
#6 0x00000000004cc304 in main (argc=<value optimized out>, argv=<value optimized out>) at vdr.c:604

If I've done this properly then problem seems to be with the glibc, specifically pthread, functions that vdr uses to lock the epg data file for reading and writing but I have no idea whether the problem is with the vdr code or with glibc. The only workaround I have at the moment is to downgrade to glibc 2.12.1, after which vdr works again.

Can anybody help please?

TIA,

David Spicer

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