Re: help tgt segfault

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Tomasz Chmielewski schrieb:
FUJITA Tomonori schrieb:

+9 but I'm not sure how the timezone works on kernel.org. Can you
please try v0.9.3?

Yes, I can confirm it still segfaults with 0.9.3, i.e.:

Jan 14 20:35:23 san1 kernel: tgtd[7191]: segfault at 8 rip 40ef3d rsp 7fff3436cd90 error 6 Jan 14 21:43:38 san1 kernel: tgtd[26185]: segfault at 8 rip 40f07d rsp 7fffea30e340 error 6 Jan 14 21:48:34 san1 kernel: tgtd[27968]: segfault at 8 rip 40f07d rsp 7fff1ecea3d0 error 6 Jan 14 22:07:10 san1 kernel: tgtd[29052]: segfault at 8 rip 40f07d rsp 7fffcf29bca0 error 6 Jan 14 22:09:20 san1 kernel: tgtd[29928]: segfault at 8 rip 40f07d rsp 7fff8148bef0 error 6 Jan 14 22:18:45 san1 kernel: tgtd[30836]: segfault at 8 rip 40f07d rsp 7fff5dc19680 error 6 Jan 14 22:24:49 san1 kernel: tgtd[31854]: segfault at 8 rip 40f07d rsp 7fff3d6750e0 error 6 Jan 14 22:25:59 san1 kernel: tgtd[325]: segfault at 8 rip 40f07d rsp 7fff724def40 error 6 Jan 14 22:29:19 san1 kernel: tgtd[1210]: segfault at 8 rip 40f07d rsp 7fff1d618080 error 6 Jan 14 22:54:40 san1 kernel: tgtd[2166]: segfault at 8 rip 40f07d rsp 7fffc12f5d60 error 6

I'm not sure how to reproduce it reliably... Anyone out there using DRBD?

If you could provide me some "debug" version of tgtd, maybe?

Although these statistics are not very detailed, these crashes occur when
iowait is bigger then usually:

07:55:01 PM       CPU     %user     %nice   %system   %iowait    %steal     %idle
08:25:01 PM       all      0.32      0.00      0.73      9.24      0.00     89.70
08:35:23 PM       all      0.33      0.00      0.95     16.52      0.00     82.20
08:45:01 PM       all      0.45      0.00      2.00     16.84      0.00     80.70
08:55:01 PM       all      0.67      0.00      3.90     36.32      0.00     59.11
09:05:01 PM       all      0.88      0.00      6.48     48.97      0.00     43.68
09:15:01 PM       all      0.79      0.00      6.28     39.08      0.00     53.85
09:25:01 PM       all      0.64      0.00      4.26     28.26      0.00     66.84
09:35:01 PM       all      0.73      0.00      4.81     40.54      0.00     53.91
09:45:02 PM       all      0.43      0.00      2.17     39.48      0.00     57.92
09:55:01 PM       all      0.44      0.00      2.58     81.81      0.00     15.17
10:05:01 PM       all      0.23      0.00      0.52     73.44      0.00     25.81
10:15:01 PM       all      0.59      0.00      3.73     52.74      0.00     42.94
10:25:02 PM       all      0.38      0.00      2.35     72.24      0.00     25.02
10:35:01 PM       all      0.44      0.00      3.85     54.17      0.00     41.54
10:45:01 PM       all      0.40      0.00      1.89     78.22      0.00     19.48
10:55:02 PM       all      0.29      0.00      1.52     51.63      0.00     46.56
11:05:01 PM       all      0.31      0.00      0.99     19.84      0.00     78.86
11:15:01 PM       all      0.30      0.00      0.61      1.17      0.00     97.91



--
Tomasz Chmielewski
http://wpkg.org
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