Free Software Linux

"Finally found it ... the patch below solves the sparsemem crash and the test system boots up fine now," announced Ingo Molnar. He described the patch as fixing a "memory corruption and crash on 32-bit x86 systems. If a !PAE x86 kernel is booted on a 32-bit system with more than 4GB of RAM, then we call memory_present() with a start/end that goes outside the scope of MAX_PHYSMEM_BITS." He included a source snippet with the loop that could corrupt memory, "depending on what that memory is, we might crash, misbehave or just not notice the bug." Ingo went on to note that the bug was first introduced with sparsemem support in the 2.6.16 kernel:

"I believe this was the reason why my many bisection attempts were unsuccessful: the bug pattern was not stable and seemingly working kernels had the memory corruption too. It was pure luck that v2.6.24 'worked' and v2.6.25-rc9 broke visibly."

Source:

It is often said that 3 things make a 'trend' in the modern world, so here are 3 very sneaky browser bugs triggered by 3 different Drupal modules that have crossed my path in the last few weeks, all (it turns out) quite likely related. Here they are, in the hope that if you see something similar you might be able to locate the problem a little more rapidly.

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I need php5-interbase for development in my job, please provide it again
[Seems to be an bug in ubuntu, php5-interbase is not included, also ibwebadmin is not present in the repositories]