Current-Users archive

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index][Old Index]

Re: Filesystem tests crashing host

On Thu, 14 Apr 2011, Mindaugas Rasiukevicius wrote:

Andreas Gutafsson <> wrote:
Jukka Ruohonen wrote:
Also some filesystem tests appear to panic the whole Qemu host. For
instance, [...]
    nfs_fillfs: uvm_fault(0xffffffff80ca65e0, 0xffffffff80f0a000, 1) ->

My automated i386 tests are also dying with a kernel panic every time.
The problem started with following pair of commits:

  commit 2011. rmind src/sys/kern/uipc_sem.c 1.30
  commit 2011. rmind src/sys/sys/file.h 1.72

and is still there as of today (2011.

Logs are at <>.

Cannot reproduce the problem by running tests in src/tests/fs on my host.
Nor I really see how semaphore would affect file systems (file.h change
should have no harm).  Also, new semaphore code itself was tested, and
seem to work for me well.

Can you collect more data?

I'm working on getting a backtrace out of ddb. But I'm also having trouble with reproducing it locally. It fails frequently on the automated test bed, but not if I run it manually. :(

| Paul Goyette     | PGP Key fingerprint:     | E-mail addresses:       |
| Customer Service | FA29 0E3B 35AF E8AE 6651 | paul at    |
| Network Engineer | 0786 F758 55DE 53BA 7731 | pgoyette at |
| Kernel Developer |                          | pgoyette at  |

Home | Main Index | Thread Index | Old Index