turn panic into data corruption, dangerous patch was Re: [PATCH] [v3] PM / hibernate: Fix hibernation panic caused by inconsistent e820 map

2015-09-16 Thread Pavel Machek
On Wed 2015-09-02 20:06:28, Chen Yu wrote: > On some platforms, there is occasional panic triggered when trying to > resume from hibernation, a typical panic looks like: > > BUG: unable to handle kernel paging request at 880085894000 > IP: [] load_image_lzo+0x8c2/0xe70 > > This is because

turn panic into data corruption, dangerous patch was Re: [PATCH] [v3] PM / hibernate: Fix hibernation panic caused by inconsistent e820 map

2015-09-16 Thread Pavel Machek
On Wed 2015-09-02 20:06:28, Chen Yu wrote: > On some platforms, there is occasional panic triggered when trying to > resume from hibernation, a typical panic looks like: > > BUG: unable to handle kernel paging request at 880085894000 > IP: [] load_image_lzo+0x8c2/0xe70 > > This is because

RE: [PATCH] [v3] PM / hibernate: Fix hibernation panic caused by inconsistent e820 map

2015-09-04 Thread Chen, Yu C
nel.org; linux-kernel@vger.kernel.org > Subject: Re: [PATCH] [v3] PM / hibernate: Fix hibernation panic caused by > inconsistent e820 map > > On Wednesday, September 02, 2015 08:06:28 PM Chen Yu wrote: > > Well, looks like an improvement, but I wouldn't be comfortable with pushi

RE: [PATCH] [v3] PM / hibernate: Fix hibernation panic caused by inconsistent e820 map

2015-09-04 Thread Chen, Yu C
nel.org; linux-kernel@vger.kernel.org > Subject: Re: [PATCH] [v3] PM / hibernate: Fix hibernation panic caused by > inconsistent e820 map > > On Wednesday, September 02, 2015 08:06:28 PM Chen Yu wrote: > > Well, looks like an improvement, but I wouldn't be comfortable with pushi

Re: [PATCH] [v3] PM / hibernate: Fix hibernation panic caused by inconsistent e820 map

2015-09-02 Thread Rafael J. Wysocki
On Wednesday, September 02, 2015 08:06:28 PM Chen Yu wrote: > On some platforms, there is occasional panic triggered when trying to > resume from hibernation, a typical panic looks like: > > BUG: unable to handle kernel paging request at 880085894000 > IP: [] load_image_lzo+0x8c2/0xe70 > >

[PATCH] [v3] PM / hibernate: Fix hibernation panic caused by inconsistent e820 map

2015-09-02 Thread Chen Yu
On some platforms, there is occasional panic triggered when trying to resume from hibernation, a typical panic looks like: BUG: unable to handle kernel paging request at 880085894000 IP: [] load_image_lzo+0x8c2/0xe70 This is because e820 map has been changed by BIOS before/after hibernation,

Re: [PATCH] [v3] PM / hibernate: Fix hibernation panic caused by inconsistent e820 map

2015-09-02 Thread Rafael J. Wysocki
On Wednesday, September 02, 2015 08:06:28 PM Chen Yu wrote: > On some platforms, there is occasional panic triggered when trying to > resume from hibernation, a typical panic looks like: > > BUG: unable to handle kernel paging request at 880085894000 > IP: [] load_image_lzo+0x8c2/0xe70 > >

[PATCH] [v3] PM / hibernate: Fix hibernation panic caused by inconsistent e820 map

2015-09-02 Thread Chen Yu
On some platforms, there is occasional panic triggered when trying to resume from hibernation, a typical panic looks like: BUG: unable to handle kernel paging request at 880085894000 IP: [] load_image_lzo+0x8c2/0xe70 This is because e820 map has been changed by BIOS before/after hibernation,