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Okay, I figured out some more things. I split my root fs in half and made two identical copies - one on reiser and one on xfs. I compiled a bunch of kernels, and tested some more. A TCQ enabled kernel with AS, queue depth of 32 works fine on both reiser and xfs. A TCQ enabled kernel with deadline, queue depth of 32 works fine on both reiser and xfs. Note the depth of 32. I had TCQ enabled on previous <74 kernels and it worked fine, everywhere with depth 32. However, the kernel that crashed was using the default (The default is 8, even though the comment says 32). I tested that kernel again with reiserfs, TCQ, the two elevators, and queue depth 8 - on-boot fsck detects corruption every time, marks the system unclean, and requires --rebuild-tree or --fix-fixable on any further mounts. I now get "Wrong amount of used blocks." message. Have not tested depth 8 TCQ kernel with xfs, since that's my surviving root fs, and I'd like to avoid corruption there. Have not tested queue depths other than 8 and 32. I could test some more on reiser now that I have a backup root fs. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/ | ||||||||||
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