Re: block, bfq: lockdep circular locking dependency gripe

2020-10-20 Thread Paolo Valente
> Il giorno 20 ott 2020, alle ore 18:54, Jens Axboe ha > scritto: > > On 10/20/20 1:15 AM, Paolo Valente wrote: >>> Il giorno 20 ott 2020, alle ore 08:15, Mike Galbraith ha >>> scritto: >>> >>> [ 1917.361401] == >>> [ 1917.361406] WARNING

Re: block, bfq: lockdep circular locking dependency gripe

2020-10-20 Thread Jens Axboe
On 10/20/20 1:15 AM, Paolo Valente wrote: >> Il giorno 20 ott 2020, alle ore 08:15, Mike Galbraith ha >> scritto: >> >> [ 1917.361401] == >> [ 1917.361406] WARNING: possible circular locking dependency detected >> [ 1917.361413] 5.9.0.g7cf726a-m

Re: block, bfq: lockdep circular locking dependency gripe

2020-10-20 Thread Paolo Valente
Hi, that's apparently hard to solve inside bfq. The the ioc of the task is being exited while the task is still inside the code for having an I/O request served. Is still normal? Thanks, Polo > Il giorno 20 ott 2020, alle ore 08:15, Mike Galbraith ha > scritto: > > [ 1917.361401] ===

block, bfq: lockdep circular locking dependency gripe

2020-10-19 Thread Mike Galbraith
[ 1917.361401] == [ 1917.361406] WARNING: possible circular locking dependency detected [ 1917.361413] 5.9.0.g7cf726a-master #2 Tainted: G S E [ 1917.361417] -- [ 1917.361422] kworker/u1