Details

user warning: Got error 28 from storage engine query: SELECT t.*,v.weight AS v_weight_unused FROM term_node r INNER JOIN term_data t ON r.tid = t.tid INNER JOIN vocabulary v ON t.vid = v.vid WHERE r.vid = 109 ORDER BY v.weight, t.weight, t.name in /opt/drupal-6.33/modules/taxonomy/taxonomy.module on line 640.

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Issue of the Implementation # L0134

Brief

[media] dvb_demux: fix deadlock in dmx_section_feed_release_filter()

Detailed Description

dmx_section_feed_release_filter() locks dvbdmx->mutex and if the feed is still filtering, it calls feed->stop_filtering(feed). stop_filtering() is implemented by dmx_section_feed_stop_filtering() that first of all try to lock the same mutex: dvbdmx->mutex. That leads to a deadlock. It does not happen often in practice because all callers of release_filter() stop filtering by themselves. So the problem can happen in case of race condition only.

Component

linux-kernel 3.12

Accepted

http://lkml.org/lkml/2013/8/17/68
commit

Status

Fixed in kernel 3.13-rc4

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