-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 On 26.08.2010 15:27, Johannes Hirte wrote: > On Saturday 14 August 2010 00:11:55 Andreas Philipp wrote: >> On 12.08.2010 10:04, Yan, Zheng wrote: >>> On Thu, Aug 12, 2010 at 3:14 PM, Andreas Philipp >>> <philipp.andr...@gmail.com> wrote: >>> >>>> Hi, >>>> >>>> I am using a btrfs filesystem created with raid0 for data and metadata >>>> for (temporary) storage of tv recordings from my vdr. The filesystem was >>>> created under kernel version 2.6.34. An initial btrfs balance command >>>> succeeded. Since I upgraded to 2.6.35-rcX and 2.6.35 btrfs balance no >>>> longer finishes but puts the machine in some unresponsive state. >>>> Unfortunately, I do not see any kernel oops or other debug information >>>> because even the display freezes. The last thing that happens are that >>>> those two lines are written to /var/log/messages: >>>> Aug 11 21:42:23 thor kernel: btrfs: found 62911 extents >>>> Aug 11 21:42:24 thor kernel: btrfs: relocating block group 1723913469952 >>>> flags 9 >>>> After that the machine becomes immediately unresponsive. >>>> >>>> As I did not see anything that might be related to my problem in the >>>> changelog for 2.6.35.1 I did not try again with this version. >>>> >>>> >>> Do you have more than one machines? would you please setup netconsole >>> to see what happen. >>> >> I have reproduced the error on v2.6.35.1 and recorded all kernel output >> with netconsole. The interesting point is that this time the machine did >> not crash but the btrfs balance segfaulted at exact the same position >> where the previous crashes had happened. > > Looks like another manifestation of the csum bug. Are you able to read all > files from the affected volume? Did you tried a balance with an 2.6.34 kernel > after the test with 2.6.35? > Till now I did not see any unreadable files but I did not do a complete test. No, I did not try to balance with an 2.6.34 kernel. If it helps I can switch back and try.
Yours, Andreas -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.9 (MingW32) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org/ iQIcBAEBAgAGBQJMdm6MAAoJEJIcBJ3+Xkgi9vUQALX7V6fOs+DJR9NGRr21uY1a /tFj5e1r71Mryn6uFcnb2Iukf6oNirxc3n4XcSgfel/GppTPAt+s8a3jS048SNa1 XpPhpuA5j9vtPns46ZR5Bg9rTtAIa7oDO8Ko2lewnHcrZN9qoGyroTz+eIzqv/U/ N8BmGTKTE1TwKfETE8jVXXHvsQuV6vYeOJqtWzPkETw9gldHThTSvr3pl7+46yFT iCv5n/IHsdAyeZpSJm1Jp3xxAGZJsrkhoKiyNcHHt7+UshcKpFYky4lOCAlDgpPO quZhEHiYKUeHGYb8vueaebCgy2panrYcnEgwoGkI7XLPvTlWY/5uUgV/54rlUdwi jqo+zgyNaBnEwUkqTAPzqZQBYb7XA5uJS7UchFhf5rpgFZeEX+gUnNYtEtUkkYLk 9vAAeXl8OyNJnBAH97/FBpRw0nVYpXeuE8/dvc1TfbHDjkOQLlgEYg3T4PW+NgsV IwVOChoFPEmyFndAvONphTmUQjzGMJu2Y+3p9D7ZDRQOo8AHjGrErWPY+zGkZkd1 MtFCIKeTyOoR+13U4xAxi+2alGf7UE0jdxoGMQPnh7COjOYpUgMt1zFnksxn6yY+ RcFEWJSoBkOPMePxzJUTOCVb/Qr4V6HCJNEylBxF1VsECAOkjTSxl4XTAXrLKYVu pllFS2PYozhZMoKrDKQE =ldPn -----END PGP SIGNATURE----- -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
