[RESEND PATCH] Fix sysrq emergency thaw

2016-09-02 Thread Charles Gong
"SYSRQ + J" triggers a call to emergency_thaw_all(). Currently, this is an infinite loop. Once we trigger it, we'll need to do a hard power-cycle. There are users reporting this bug from 2012 to 2016, for example, at https://bugzilla.kernel.org/show_bug.cgi?id=47741. This happens because thaw_bdev

Re: [PATCH] Fix sysrq emergency thaw

2016-08-05 Thread Pavel Machek
On Wed 2016-07-20 16:11:16, Charles Gong wrote: > "SYSRQ + J" triggers a call to emergency_thaw_all(). Currently, this > is an infinite loop. Once we trigger it, we'll need to do a hard > power-cycle. There are users reporting this bug from 2012 to 2016, for > example, at https://bugzilla.kernel.or

[PATCH] Fix sysrq emergency thaw

2016-07-20 Thread Charles Gong
"SYSRQ + J" triggers a call to emergency_thaw_all(). Currently, this is an infinite loop. Once we trigger it, we'll need to do a hard power-cycle. There are users reporting this bug from 2012 to 2016, for example, at https://bugzilla.kernel.org/show_bug.cgi?id=47741. This happens because thaw_bdev

Re: [PATCH] Fix sysrq emergency thaw

2016-07-19 Thread Chris Mason
On 07/15/2016 08:38 PM, Charles Gong wrote: "SYSRQ + J" triggers a call to emergency_thaw_all(). Currently, this is an infinite loop. Once we trigger it, we'll need to do a hard power-cycle. There are users reporting this bug from 2012 to 2016, for example, at https://bugzilla.kernel.org/show_bug