i did the readpage bug fix. the backend node still rebooted when i tried to xrx here is the output i got. the output is different then the previous output i got before the fix.
connection 0x628060 from 127.0.0.1!35405 opened <<< (0x628060) Tversion tag 65535 msize 32792 version '9P2000.u' >>> (0x628060) Rversion tag 65535 msize 32792 version '9P2000.u' <<< (0x628060) Tattach tag 1 fid 0 afid -1 uname nobody aname nuname -1 >>> (0x628060) Rattach tag 1 qid (0000000000000001 0 'd') <<< (0x628060) Tstat tag 1 fid 0 >>> (0x628060) Rstat tag 1 '' 'xcpu-admin' 'xcpu-admin' 'xcpu-admin' q (000000' connection 0x6307b0 from 10.1.4.13!36183 opened <<< (0x6307b0) Tversion tag 65535 msize 32792 version '9P2000.u' >>> (0x6307b0) Rversion tag 65535 msize 32792 version '9P2000.u' <<< (0x6307b0) Tauth tag 0 afid 0 uname xcpu-admin aname nuname 65530 >>> (0x6307b0) Rauth tag 0 qid (0000000000000000 0 'A') <<< (0x6307b0) Tread tag 0 fid 0 offset 0 count 4096 >>> (0x6307b0) Rread tag 0 count 16 data a9a2f045 eb84382d 962f312d 50ec9fb9 <<< (0x6307b0) Tread tag 0 fid 0 offset 16 count 4080 >>> (0x6307b0) Rread tag 0 count 0 data <<< (0x6307b0) Twrite tag 0 fid 0 offset 0 count 256 data 3d56e39b ea0b2f40 eba 41063c41 c1b396fd cd1a3312 6e726990 a7410081 5be48eb0 b7e898fd 75e9e91d >>> (0x6307b0) Rwrite tag 0 count 256 <<< (0x6307b0) Tattach tag 0 fid 1 afid 0 uname xcpu-admin aname nuname 65530 >>> (0x6307b0) Rattach tag 0 qid (0000000000000001 0 'd') <<< (0x6307b0) Twalk tag 0 fid 1 newfid 2 nwname 1 'ctl' >>> (0x6307b0) Rwalk tag 0 nwqid 1 (000000000000000a 0 '') <<< (0x6307b0) Topen tag 0 fid 2 mode 1 >>> (0x6307b0) Ropen tag 0 (000000000000000a 0 '') iounit 0 <<< (0x6307b0) Twrite tag 0 fid 2 offset 0 count 512 data 67726f75 702d6164 642 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 >>> (0x6307b0) Rwrite tag 0 count 512 <<< (0x6307b0) Tclunk tag 0 fid 2 >>> (0x6307b0) Rclunk tag 0 connection 0x6307b0 from 10.1.4.13!36183 closed connection 0x6307b0 from 10.1.4.13!36184 opened <<< (0x6307b0) Tversion tag 65535 msize 32792 version '9P2000.u' >>> (0x6307b0) Rversion tag 65535 msize 32792 version '9P2000.u' <<< (0x6307b0) Tauth tag 0 afid 0 uname xcpu-admin aname nuname 65530 >>> (0x6307b0) Rauth tag 0 qid (0000000000000000 0 'A') <<< (0x6307b0) Tread tag 0 fid 0 offset 0 count 4096 >>> (0x6307b0) Rread tag 0 count 16 data 9276a6f2 ec8d85ac 90087afc 02705e90 <<< (0x6307b0) Tread tag 0 fid 0 offset 16 count 4080 >>> (0x6307b0) Rread tag 0 count 0 data <<< (0x6307b0) Twrite tag 0 fid 0 offset 0 count 256 data 85e314ab 92f6918c 70f 4078c3a9 40efe731 05c5b03c 3c3071ce 02994f12 0f7f1b12 248dbb98 acfc4d4c >>> (0x6307b0) Rwrite tag 0 count 256 <<< (0x6307b0) Tattach tag 0 fid 1 afid 0 uname xcpu-admin aname nuname 65530 >>> (0x6307b0) Rattach tag 0 qid (0000000000000001 0 'd') <<< (0x6307b0) Twalk tag 0 fid 1 newfid 2 nwname 1 'ctl' >>> (0x6307b0) Rwalk tag 0 nwqid 1 (000000000000000a 1 '') <<< (0x6307b0) Topen tag 0 fid 2 mode 1 >>> (0x6307b0) Ropen tag 0 (000000000000000a 1 '') iounit 0 <<< (0x6307b0) Twrite tag 0 fid 2 offset 0 count 4096 data 75736572 2d616464 20 41414233 4e7a6143 31796332 45414141 41424977 41414151 45416d58 6a674450 >>> (0x6307b0) Rwrite tag 0 count 4096 <<< (0x6307b0) Tclunk tag 0 fid 2 >>> (0x6307b0) Rclunk tag 0 connection 0x6307b0 from 10.1.4.13!36184 closed connection 0x632320 from 10.1.4.13!36185 opened <<< (0x632320) Tversion tag 65535 msize 32792 version '9P2000.u' >>> (0x632320) Rversion tag 65535 msize 32792 version '9P2000.u' <<< (0x632320) Tauth tag 0 afid 0 uname root aname nuname 0 >>> (0x632320) Rauth tag 0 qid (0000000000000000 0 'A') <<< (0x632320) Tread tag 0 fid 0 offset 0 count 4096 >>> (0x632320) Rread tag 0 count 16 data 584830c4 7f65b884 9a4d9ad6 ec58d3b4 <<< (0x632320) Tread tag 0 fid 0 offset 16 count 4080 >>> (0x632320) Rread tag 0 count 0 data <<< (0x632320) Twrite tag 0 fid 0 offset 0 count 256 data 4d823fb1 365cb6c3 339 4141cc19 3136adda 87a15453 2146b059 917279a6 f9721321 75d1db69 58c9bf19 >>> (0x632320) Rwrite tag 0 count 256 <<< (0x632320) Tattach tag 0 fid 1 afid 0 uname root aname nuname 0 >>> (0x632320) Rattach tag 0 qid (0000000000000001 0 'd') <<< (0x632320) Twalk tag 0 fid 1 newfid 2 nwname 1 'arch' >>> (0x632320) Rwalk tag 0 nwqid 1 (0000000000000004 0 '') <<< (0x632320) Topen tag 0 fid 2 mode 0 >>> (0x632320) Ropen tag 0 (0000000000000004 0 '') iounit 0 <<< (0x632320) Tread tag 0 fid 2 offset 0 count 63 >>> (0x632320) Rread tag 0 count 13 data 2f4c696e 75782f78 38365f36 34 <<< (0x632320) Tread tag 0 fid 2 offset 13 count 50 >>> (0x632320) Rread tag 0 count 0 data <<< (0x632320) Tclunk tag 0 fid 2 >>> (0x632320) Rclunk tag 0 <<< (0x632320) Twalk tag 0 fid 1 newfid 2 nwname 1 'clone' >>> (0x632320) Rwalk tag 0 nwqid 1 (0000000000000002 0 '') <<< (0x632320) Topen tag 0 fid 2 mode 0 >>> (0x632320) Ropen tag 0 (0000000000000002 0 '') iounit 0 <<< (0x632320) Tread tag 0 fid 2 offset 0 count 63 >>> (0x632320) Rread tag 0 count 1 data 30 <<< (0x632320) Tread tag 0 fid 2 offset 1 count 62 >>> (0x632320) Rread tag 0 count 0 data <<< (0x632320) Twalk tag 0 fid 1 newfid 3 nwname 2 '0' 'ctl' >>> (0x632320) Rwalk tag 0 nwqid 2 (0000000001000000 0 'd') (0000000001000001 0) <<< (0x632320) Topen tag 0 fid 3 mode 1 >>> (0x632320) Ropen tag 0 (0000000001000001 0 '') iounit 0 <<< (0x632320) Twalk tag 0 fid 1 newfid 4 nwname 2 '0' 'wait' >>> (0x632320) Rwalk tag 0 nwqid 2 (0000000001000000 0 'd') (0000000001000009 0) <<< (0x632320) Topen tag 0 fid 4 mode 0 >>> (0x632320) Ropen tag 0 (0000000001000009 0 '') iounit 0 <<< (0x632320) Twalk tag 0 fid 1 newfid 5 nwname 2 '0' 'stdin' >>> (0x632320) Rwalk tag 0 nwqid 2 (0000000001000000 0 'd') (0000000001000005 0) <<< (0x632320) Topen tag 0 fid 5 mode 1 >>> (0x632320) Ropen tag 0 (0000000001000005 0 '') iounit 0 <<< (0x632320) Twalk tag 0 fid 1 newfid 6 nwname 2 '0' 'stdout' >>> (0x632320) Rwalk tag 0 nwqid 2 (0000000001000000 0 'd') (0000000001000006 0) <<< (0x632320) Topen tag 0 fid 6 mode 0 >>> (0x632320) Ropen tag 0 (0000000001000006 0 '') iounit 0 <<< (0x632320) Twalk tag 0 fid 1 newfid 7 nwname 2 '0' 'stderr' >>> (0x632320) Rwalk tag 0 nwqid 2 (0000000001000000 0 'd') (0000000001000007 0) <<< (0x632320) Topen tag 0 fid 7 mode 0 >>> (0x632320) Ropen tag 0 (0000000001000007 0 '') iounit 0 <<< (0x632320) Tclunk tag 0 fid 2 >>> (0x632320) Rclunk tag 0 <<< (0x632320) Twalk tag 0 fid 1 newfid 2 nwname 2 '0' 'env' >>> (0x632320) Rwalk tag 0 nwqid 2 (0000000001000000 0 'd') (0000000001000004 0) <<< (0x632320) Topen tag 0 fid 2 mode 129 >>> (0x632320) Ropen tag 0 (0000000001000004 0 '') iounit 0 <<< (0x632320) Twalk tag 0 fid 1 newfid 8 nwname 2 '0' 'argv' >>> (0x632320) Rwalk tag 0 nwqid 2 (0000000001000000 0 'd') (0000000001000003 0) <<< (0x632320) Topen tag 0 fid 8 mode 17 >>> (0x632320) Ropen tag 0 (0000000001000003 0 '') iounit 0 <<< (0x632320) Twalk tag 0 fid 1 newfid 9 nwname 2 '0' 'ns' >>> (0x632320) Rwalk tag 0 nwqid 2 (0000000001000000 0 'd') (000000000100000c 0) <<< (0x632320) Topen tag 0 fid 9 mode 17 >>> (0x632320) Ropen tag 0 (000000000100000c 0 '') iounit 0 <<< (0x632320BUG: unable t On Wed, Jan 13, 2010 at 12:40 PM, Eric Van Hensbergen <[email protected]>wrote: > As abishek pointed out, this is the readpage bug. > > -eric > > On Jan 13, 2010, at 2:33 PM, ron minnich wrote: > > > On Wed, Jan 13, 2010 at 12:12 PM, Eric W. Biederman > > <[email protected]> wrote: > > > >> Are this bugs in the 9p implementation or are you tickling another > >> kernel bug? > > > > I am pretty sure it's a kernel bug. Actually, it looks like it went to > > do the exec and exploded on the 9p I/O to the server back on the node > > we were running xrx from. > > > > one other issue with xcpufs is that its mount setup requires writeable > > root. We need to set up a tmpfs mount I guess on / to fix that. > > > > Overall though the system as a whole is not functional and we're > > trying to evaluate our next steps. > > > > ron > >
