Re: panic in softdep_slowdown()

2015-02-09 Thread Neel Natu
A fix for this panic was submitted by kib@ as r277922: https://svnweb.freebsd.org/base?view=revisionrevision=277922 best Neel On Wed, Jan 28, 2015 at 11:54 AM, Neel Natu neeln...@gmail.com wrote: Hi Gleb, On Wed, Jan 28, 2015 at 11:33 AM, Gleb Smirnoff gleb...@freebsd.org wrote: On Wed, Jan

Re: panic in softdep_slowdown()

2015-01-28 Thread Konstantin Belousov
On Tue, Jan 27, 2015 at 11:31:03PM +0300, Gleb Smirnoff wrote: Got this in bhyve VM on boot up and mount: Starting file system checks: /dev/vtbd0p3: FILE SYSTEM CLEAN; SKIPPING CHECKS /dev/vtbd0p3: clean, 1617700 free (222876 frags, 174353 blocks, 5.9% fragmentation) Fatal trap 18:

Re: panic in softdep_slowdown()

2015-01-28 Thread Gleb Smirnoff
On Wed, Jan 28, 2015 at 12:48:42PM +0200, Konstantin Belousov wrote: K Stopped at softdep_slowdown+0x1d3: idivl %ecx,%eax K db bt K Tracing pid 49 tid 100045 td 0xf800026ee000 K softdep_slowdown() at softdep_slowdown+0x1d3/frame 0xfe001eb5f2b0 K ffs_truncate() at

Re: panic in softdep_slowdown()

2015-01-28 Thread Gleb Smirnoff
On Wed, Jan 28, 2015 at 09:04:42PM +0200, Konstantin Belousov wrote: K I can't see where integer divide fault can happen with stat_flush_threads=1 :( K K Look at the exact asm instruction which faulted, also look at the registers K content. K K It might be hypervisor bug, after all. Yes, for

Re: panic in softdep_slowdown()

2015-01-28 Thread Konstantin Belousov
On Wed, Jan 28, 2015 at 09:22:30PM +0300, Gleb Smirnoff wrote: On Wed, Jan 28, 2015 at 12:48:42PM +0200, Konstantin Belousov wrote: K Stopped at softdep_slowdown+0x1d3: idivl %ecx,%eax K db bt K Tracing pid 49 tid 100045 td 0xf800026ee000 K softdep_slowdown() at

Re: panic in softdep_slowdown()

2015-01-28 Thread Neel Natu
Hi Gleb, On Wed, Jan 28, 2015 at 11:33 AM, Gleb Smirnoff gleb...@freebsd.org wrote: On Wed, Jan 28, 2015 at 09:04:42PM +0200, Konstantin Belousov wrote: K I can't see where integer divide fault can happen with stat_flush_threads=1 :( K K Look at the exact asm instruction which faulted,

panic in softdep_slowdown()

2015-01-27 Thread Gleb Smirnoff
Got this in bhyve VM on boot up and mount: Starting file system checks: /dev/vtbd0p3: FILE SYSTEM CLEAN; SKIPPING CHECKS /dev/vtbd0p3: clean, 1617700 free (222876 frags, 174353 blocks, 5.9% fragmentation) Fatal trap 18: integer divide fault while in kernel mode cpuid = 1; apic id = 01