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SubjectRe: bug in tag handling in blk-mq?
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On 5/8/18 2:37 AM, Mike Galbraith wrote:
> On Tue, 2018-05-08 at 06:51 +0200, Mike Galbraith wrote:
>>
>> I'm deadlined ATM, but will get to it.
>
> (Bah, even a zombie can type ccache -C; make -j8 and stare...)
>
> kbuild again hung on the first go (yay), and post hang data written to
> sdd1 survived (kernel source lives in sdb3). Full ftrace buffer (echo
> 1 > events/block/enable) available off list if desired. dmesg.txt.xz
> is dmesg from post hang crashdump, attached because it contains the
> tail of trace buffer, so _might_ be useful.
>
> homer:~ # df|grep sd
> /dev/sdb3      959074776 785342824 172741072  82% /
> /dev/sdc3      959074776 455464912 502618984  48% /backup
> /dev/sdb1         159564      7980    151584   6% /boot/efi
> /dev/sdd1      961301832 393334868 519112540  44% /abuild
>
> Kernel is virgin modulo these...
>
> patches/remove_irritating_plus.diff
> patches/add-scm-version-to-EXTRAVERSION.patch
> patches/block-bfq:-postpone-rq-preparation-to-insert-or-merge.patch
> patches/block-bfq:-test.patch (hang provocation hack from Paolo)

All the block debug files are empty...

--
Jens Axboe

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