PUFFS and existing file that get ENOENT

2012-01-12 Thread Emmanuel Dreyfus
Hello I am tracking a rare bug with perfused, where an existing file is reported as unexistent. It happens after a few hours of usage, and it happens only once: if I retry accessing the file, I am successful. Adding traces in perfused while performing ktrace on the calling process, I am now confi

reading /dev/mem panics a domU

2012-01-12 Thread Emmanuel Dreyfus
Hi I just discovered the oddity below, on a netbsd-5 domU. Is there a reason for not calling that a bug? Does it happens only at mine? # strings /dev/mem > /dev/null xpq_flush_queue: 1 entries 0xa8b5e948: 0x0221 panic: HYPERVISOR_mmu_update failed fatal breakpoint trap in su

Re: patch: MFSv3 support (libsa) for boot2 (i386)

2012-01-12 Thread David Laight
On Thu, Jan 12, 2012 at 09:25:04PM +0400, Evgeniy Ivanov wrote: > > Magic too :-) I fall into trouble with it. In generated listing (mbr.S): > > 518 00f1 E9FE7Bjmp BOOTADDR > > In obj file: > f1: e9 fe 7b 5a 8a jmp8a5a7cf4 > > In mbr (i.e. after linking): >

Re: patch: MFSv3 support (libsa) for boot2 (i386)

2012-01-12 Thread Evgeniy Ivanov
Hi, On Thu, Dec 29, 2011 at 11:20 PM, David Laight wrote: > On Thu, Dec 29, 2011 at 07:55:18PM +0100, Antoine LECA wrote: >> >> David Laight wrote: >> > The actual 'pc' boot sequence is: >> > Stages 1-3 (and maybe 4) are common to all OS. >> <...> >> > 3) The pbr code has to determine where it wa