Re: regression caused by block: freeze the queue earlier in del_gendisk

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Fri, Sep 09, 2022 at 04:24:40PM +0800, Ming Lei wrote:
> On Wed, Sep 07, 2022 at 09:33:24AM +0200, Christoph Hellwig wrote:
> > On Thu, Sep 01, 2022 at 03:06:08PM +0800, Ming Lei wrote:
> > > It is a bit hard to associate the above commit with reported issue.
> > 
> > So the messages clearly are about something trying to open a device
> > that went away at the block layer, but somehow does not get removed
> > in time by udev (which seems to be a userspace bug in CoreOS).  But
> > even with that we really should not hang.
> 
> Xiao Ni provides one script[1] which can reproduce the issue more or less.

I've run the reproduced 10000 times on current mainline, and while
it prints one of the autoloading messages per run, I've not actually
seen any kind of hang.



[Index of Archives]     [Linux RAID]     [Linux SCSI]     [Linux ATA RAID]     [IDE]     [Linux Wireless]     [Linux Kernel]     [ATH6KL]     [Linux Bluetooth]     [Linux Netdev]     [Kernel Newbies]     [Security]     [Git]     [Netfilter]     [Bugtraq]     [Yosemite News]     [MIPS Linux]     [ARM Linux]     [Linux Security]     [Device Mapper]

  Powered by Linux