Public bug reported:
Running:
Linux wikimania2010 2.6.35-28-server #50 SMP Sun Apr 3 22:59:19 CEST
2011 x86_64 GNU/Linux
Ubuntu 2.6.35-28.50-server 2.6.35.11
Compiled (unmodified) from maverick git
Last kernel *not* to exhibit the problem:
linux-image-2.6.35-25-server (2.6.35.25.32)
First kernel to start exhibit the problem:
linux-image-2.6.35-27-server (upgraded on 2011-03-04)
After upgrade on 2011-03-04 the system was running for ca. 16 hours and
then silently died (no entries in the log except for below and had to be
hard rebooted manually). No crashes with 2.6.35-28.50-server as of now.
Currently the dmesg is full of:
[26230.179806] ioatdma 0000:00:08.0: Channel halted, chanerr = 0
[26230.187116] ioatdma 0000:00:08.0: Channel halted, chanerr = 0
[26230.194057] ioatdma 0000:00:08.0: Channel halted, chanerr = 0
[26230.200636] ioatdma 0000:00:08.0: Channel halted, chanerr = 0
[26230.206908] ioatdma 0000:00:08.0: Channel halted, chanerr = 0
[26230.212821] ioatdma 0000:00:08.0: Channel halted, chanerr = 0
[26230.218360] ioatdma 0000:00:08.0: Channel halted, chanerr = 0
[26230.223592] ioatdma 0000:00:08.0: Channel halted, chanerr = 0
[26230.228442] ioatdma 0000:00:08.0: Channel halted, chanerr = 0
[26230.232982] ioatdma 0000:00:08.0: Channel halted, chanerr = 0
[26230.237150] ioatdma 0000:00:08.0: Channel halted, chanerr = 0
[26230.240973] ioatdma 0000:00:08.0: Channel halted, chanerr = 0
[26230.244492] ioatdma 0000:00:08.0: Channel halted, chanerr = 0
today it also exhibited:
[12574.192863] ioatdma 0000:00:08.0: Channel halted, chanerr = 0
[12574.192865] ioatdma 0000:00:08.0: Channel halted, chanerr = 0
[12574.192867] ioatdma 0000:00:08.0: Channel halted, chanerr = 0
[12574.192869] ioatdma 0000:00:08.0: Channel halted, chanerr = 0
[26229.903904] ioatdma 0000:00:08.0: Channel halted, chanerr = 2
[26229.922568] ioatdma 0000:00:08.0: Channel halted, chanerr = 2
[26229.931489] ioatdma 0000:00:08.0: Channel halted, chanerr = 2
[26229.940362] ioatdma 0000:00:08.0: Channel halted, chanerr = 2
[26229.949300] ioatdma 0000:00:08.0: Channel halted, chanerr = 2
[26229.958224] ioatdma 0000:00:08.0: Channel halted, chanerr = 2
[26229.967158] ioatdma 0000:00:08.0: Channel halted, chanerr = 2
[26229.976099] ioatdma 0000:00:08.0: Channel halted, chanerr = 2
[26229.985055] ioatdma 0000:00:08.0: Channel halted, chanerr = 2
[26229.994018] ioatdma 0000:00:08.0: Channel halted, chanerr = 2
[26230.002988] ioatdma 0000:00:08.0: Channel halted, chanerr = 2
[26230.011971] ioatdma 0000:00:08.0: Channel halted, chanerr = 2
[26230.020930] ioatdma 0000:00:08.0: Channel halted, chanerr = 2
[26230.029953] ioatdma 0000:00:08.0: Channel halted, chanerr = 2
[26230.038957] ioatdma 0000:00:08.0: Channel halted, chanerr = 2
[26230.047961] ioatdma 0000:00:08.0: Channel halted, chanerr = 2
[26230.056976] ioatdma 0000:00:08.0: Channel halted, chanerr = 2
[26230.066000] ioatdma 0000:00:08.0: Channel halted, chanerr = 2
[26230.075029] ioatdma 0000:00:08.0: Channel halted, chanerr = 2
[26230.084066] ioatdma 0000:00:08.0: Channel halted, chanerr = 2
[26230.093113] ioatdma 0000:00:08.0: Channel halted, chanerr = 2
[26230.102170] ioatdma 0000:00:08.0: Channel halted, chanerr = 2
[26230.111212] ioatdma 0000:00:08.0: Channel halted, chanerr = 2
[26230.120322] ioatdma 0000:00:08.0: Channel halted, chanerr = 2
[26230.129413] ioatdma 0000:00:08.0: Channel halted, chanerr = 2
[26230.138518] ioatdma 0000:00:08.0: Channel halted, chanerr = 2
[26230.147256] ioatdma 0000:00:08.0: reset
[26230.147259] ioatdma 0000:00:08.0: chan2, CHANSTS = 0x00000003 CHANERR =
0x0002, clearing
[26230.155873] ioatdma 0000:00:08.0: Channel halted, chanerr = 0
[26230.164203] ioatdma 0000:00:08.0: Channel halted, chanerr = 0
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/750516
Title:
ioatdma 0000:00:08.0: Channel halted, chanerr = 0
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