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zcache spurs Kernel warnings: #100

Closed GoogleCodeExporter closed 9 years ago

GoogleCodeExporter commented 9 years ago 
What steps will reproduce the problem?
1. Enable zcache
2. Mount a cleancache fs (I have tried ext4 and a patched reiserfs 3)
3. see dmesg output while copying files

Using kernel 3.1.5 (with gentoo patchset)

Original issue reported on code.google.com by ande...@gmail.com on 28 Dec 2011 at 11:24

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GoogleCodeExporter commented 9 years ago 
I should add that I seem to get thousands of these and my kernel.log has 
increased to almost 2GB in about 2-3 hours while copying and compiling various 
things today. I _could_ post the kernel output bzip2 compressed somewhere if 
you like.

Original comment by ande...@gmail.com on 28 Dec 2011 at 11:30

GoogleCodeExporter commented 9 years ago 
Just checked:

Between Dec 29 00:36:49 and Dec 29 00:38:38 I got 4055 warnings....

Original comment by ande...@gmail.com on 28 Dec 2011 at 11:39

GoogleCodeExporter commented 9 years ago 
Warnings are coming from zbud allocator code. Adding Dan to CC list.

Original comment by nitingupta910@gmail.com on 28 Dec 2011 at 11:41

GoogleCodeExporter commented 9 years ago 
Kernel output, the first 350k out of about 2.2G

Original comment by ande...@gmail.com on 28 Dec 2011 at 11:55

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GoogleCodeExporter commented 9 years ago 
zcache issues should be discussed on linux-mm

Original comment by nitingupta910@gmail.com on 2 Oct 2012 at 10:09