Re: LOR: ufs vs bufwait

2010-05-21 Thread Jeff Roberson
On Fri, 21 May 2010, Erik Cederstrand wrote: Den 12/05/2010 kl. 22.44 skrev Jeff Roberson: I think Peter Holm also saw this once while we were testing SUJ and reproduced ~30 second hangs with stock sources. At this point we need to brainstorm ideas for adding debugging instrumentation and

Re: LOR: ufs vs bufwait

2010-05-20 Thread Erik Cederstrand
Den 12/05/2010 kl. 22.44 skrev Jeff Roberson: > > I think Peter Holm also saw this once while we were testing SUJ and > reproduced ~30 second hangs with stock sources. At this point we need to > brainstorm ideas for adding debugging instrumentation and come up with the > quickest possible rep

Re: LOR: ufs vs bufwait

2010-05-12 Thread Attilio Rao
2010/5/12 Jeff Roberson : > On Wed, 12 May 2010, Ulrich Sp?rlein wrote: > >> On Mon, 10.05.2010 at 22:53:32 +0200, Attilio Rao wrote: >>> >>> 2010/5/10 Peter Jeremy : On 2010-May-08 12:20:05 +0200, Ulrich Sp?rlein wrote: > > This LOR also is not yet listed on the LOR page, s

Re: LOR: ufs vs bufwait

2010-05-12 Thread Jeff Roberson
On Wed, 12 May 2010, Ulrich Sp?rlein wrote: On Mon, 10.05.2010 at 22:53:32 +0200, Attilio Rao wrote: 2010/5/10 Peter Jeremy : On 2010-May-08 12:20:05 +0200, Ulrich Sp?rlein wrote: This LOR also is not yet listed on the LOR page, so I guess it's rather new. I do use SUJ. lock order reversal:

Re: LOR: ufs vs bufwait

2010-05-12 Thread Ulrich Spörlein
On Mon, 10.05.2010 at 22:53:32 +0200, Attilio Rao wrote: > 2010/5/10 Peter Jeremy : > > On 2010-May-08 12:20:05 +0200, Ulrich Spörlein wrote: > >>This LOR also is not yet listed on the LOR page, so I guess it's rather > >>new. I do use SUJ. > >> > >>lock order reversal: > >> 1st 0xc48388d8 ufs (uf

Re: LOR: ufs vs bufwait

2010-05-10 Thread Attilio Rao
2010/5/10 Peter Jeremy : > On 2010-May-08 12:20:05 +0200, Ulrich Spörlein wrote: >>This LOR also is not yet listed on the LOR page, so I guess it's rather >>new. I do use SUJ. >> >>lock order reversal: >> 1st 0xc48388d8 ufs (ufs) @ /usr/src/sys/kern/vfs_lookup.c:502 >> 2nd 0xec0fe304 bufwait (bufw

Re: LOR: ufs vs bufwait

2010-05-09 Thread Peter Jeremy
On 2010-May-08 12:20:05 +0200, Ulrich Spörlein wrote: >This LOR also is not yet listed on the LOR page, so I guess it's rather >new. I do use SUJ. > >lock order reversal: > 1st 0xc48388d8 ufs (ufs) @ /usr/src/sys/kern/vfs_lookup.c:502 > 2nd 0xec0fe304 bufwait (bufwait) @ /usr/src/sys/ufs/ffs/ffs_s

Re: LOR: ufs vs bufwait

2010-05-08 Thread Attilio Rao
2010/5/9 Jeff Roberson : > On Sat, 8 May 2010, Ulrich Sp?rlein wrote: > >> On Sat, 08.05.2010 at 18:00:50 +0200, Attilio Rao wrote: >>> >>> 2010/5/8 Ulrich Sp?rlein : On Sat, 08.05.2010 at 12:20:05 +0200, Ulrich Sp?rlein wrote: > > This LOR also is not yet listed on the LOR page,

Re: LOR: ufs vs bufwait

2010-05-08 Thread Jeff Roberson
On Sat, 8 May 2010, Ulrich Sp?rlein wrote: On Sat, 08.05.2010 at 18:00:50 +0200, Attilio Rao wrote: 2010/5/8 Ulrich Sp?rlein : On Sat, 08.05.2010 at 12:20:05 +0200, Ulrich Sp?rlein wrote: This LOR also is not yet listed on the LOR page, so I guess it's rather new. I do use SUJ. lock order re

Re: LOR: ufs vs bufwait

2010-05-08 Thread Attilio Rao
2010/5/8 Ulrich Spörlein : > On Sat, 08.05.2010 at 18:00:50 +0200, Attilio Rao wrote: >> 2010/5/8 Ulrich Spörlein : >> > On Sat, 08.05.2010 at 12:20:05 +0200, Ulrich Spörlein wrote: >> >> This LOR also is not yet listed on the LOR page, so I guess it's rather >> >> new. I do use SUJ. >> >> >> >> lo

Re: LOR: ufs vs bufwait

2010-05-08 Thread Ulrich Spörlein
On Sat, 08.05.2010 at 18:00:50 +0200, Attilio Rao wrote: > 2010/5/8 Ulrich Spörlein : > > On Sat, 08.05.2010 at 12:20:05 +0200, Ulrich Spörlein wrote: > >> This LOR also is not yet listed on the LOR page, so I guess it's rather > >> new. I do use SUJ. > >> > >> lock order reversal: > >>  1st 0xc483

Re: LOR: ufs vs bufwait

2010-05-08 Thread Ulrich Spörlein
On Sat, 08.05.2010 at 12:20:05 +0200, Ulrich Spörlein wrote: > This LOR also is not yet listed on the LOR page, so I guess it's rather > new. I do use SUJ. > > lock order reversal: > 1st 0xc48388d8 ufs (ufs) @ /usr/src/sys/kern/vfs_lookup.c:502 > 2nd 0xec0fe304 bufwait (bufwait) @ /usr/src/sys/u

LOR: ufs vs bufwait

2010-05-08 Thread Ulrich Spörlein
This LOR also is not yet listed on the LOR page, so I guess it's rather new. I do use SUJ. lock order reversal: 1st 0xc48388d8 ufs (ufs) @ /usr/src/sys/kern/vfs_lookup.c:502 2nd 0xec0fe304 bufwait (bufwait) @ /usr/src/sys/ufs/ffs/ffs_softdep.c:11363 3rd 0xc49e56b8 ufs (ufs) @ /usr/src/sys/kern/