[uml-devel] BUG: failure at block/blk-core.c:2985/blk_flush_plug_list()

2013-04-02 Thread Peter Butler
Running UML from vanilla kernel 3.8.5 compiled with default kernel configuration and booted with Fedora 18 root fs (as downloaded from http://fs.devloop.org.uk/). Boots fine about 3/4 of the time, the rest of the time it crashes - see output below for an example. command line: ./linux ubd0=Fed

Re: [uml-devel] BUG: failure at block/blk-core.c:2985/blk_flush_plug_list()

2013-04-05 Thread Peter Butler
sets.s] Error 1 make: *** [arch/x86/um/user-offsets.s] Error 2 > Am Fri, 5 Apr 2013 10:13:24 -0400 > schrieb Peter Butler : > >> OK thanks - will get to that later tonight :-) > > Thanks for testing. > I've fixed some odd bugs currently. The code is in Linus's tree

Re: [uml-devel] BUG: failure at block/blk-core.c:2985/blk_flush_plug_list()

2013-04-06 Thread Peter Butler
OK setting SUBARCH did the trick. Thanks for that. :-) Here's the output from a crash using the associated build. Too several boots to trigger the crash - probably some sort of a race condition. Note that I am doing nothing other than booting up the UML to trigger the crash (that is, I am not

Re: [uml-devel] BUG: failure at block/blk-core.c:2985/blk_flush_plug_list()

2013-04-06 Thread Peter Butler
Here's another one where the crash is from startup rather than shutdown: Core dump limits : soft - 0 hard - NONE Checking that ptrace can change system call numbers...OK Checking syscall emulation patch for ptrace...OK Checking advanced syscall emulation patch for ptrace...OK Chec

Re: [uml-devel] Endless page fault for the same miss address in my UML

2013-04-07 Thread Peter Butler
Here's one more example, still the same setup, but this time crashing at the same place as the original bug report. (BUG: failure at block/blk-core.c:2978/blk_flush_plug_list()!) See below for output. BTW my host setup is Linux Mint 14: Linux ufo 3.5.0-17-generic #28-Ubuntu SMP Tue Oct 9 19:31:23