Re: btrfs crash on armv7

2021-04-08 Thread Qu Wenruo
On 2021/4/8 下午7:15, riteshh wrote: Please excuse my silly queries here. On 21/04/08 04:38PM, Qu Wenruo wrote: On 2021/4/8 下午4:16, Joe Hermaszewski wrote: It took a while but I managed to get hold of another one of these arm32 boards. Very disappointingly this exact "bitflip" is still pre

Re: btrfs crash on armv7

2021-04-08 Thread riteshh
Please excuse my silly queries here. On 21/04/08 04:38PM, Qu Wenruo wrote: > > > On 2021/4/8 下午4:16, Joe Hermaszewski wrote: > > It took a while but I managed to get hold of another one of these > > arm32 boards. Very disappointingly this exact "bitflip" is still > > present (log enclosed). > >

Re: btrfs crash on armv7

2021-04-08 Thread Qu Wenruo
On 2021/4/8 下午6:11, Joe Hermaszewski wrote: Thanks for explaining so patiently, I have a couple more questions if you have the time: With the patch I assume that this FS will just refuse to mount on arm32, Yes. If the fs has a chunk beyond 16T, it will be definitely be rejected. For your c

Re: btrfs crash on armv7

2021-04-08 Thread Qu Wenruo
On 2021/4/8 下午4:16, Joe Hermaszewski wrote: It took a while but I managed to get hold of another one of these arm32 boards. Very disappointingly this exact "bitflip" is still present (log enclosed). Yeah, we got to the conclusion it's not bitflip, but completely 32bit limit on armv7. For AR

Re: btrfs crash on armv7

2021-04-08 Thread Joe Hermaszewski
It took a while but I managed to get hold of another one of these arm32 boards. Very disappointingly this exact "bitflip" is still present (log enclosed). To summarise, as it's been a while: - When running scrub, a "page_start" and "eb_start" mismatch is detected (off by a single bit). - `btrfs c

Re: btrfs crash on armv7

2020-12-19 Thread Qu Wenruo
On 2020/12/19 下午6:35, Joe Hermaszewski wrote: Ok, so I managed to get hold of a 64bit machine on which to run btrfs check. `btrfs check` returns exactly the same output as the armv7 box (no serious problems) which I suppose is good. `btrfs scrub` also finds no problems. Boring Logs below. Wha

Re: btrfs crash on armv7

2020-12-19 Thread Joe Hermaszewski
Ok, so I managed to get hold of a 64bit machine on which to run btrfs check. `btrfs check` returns exactly the same output as the armv7 box (no serious problems) which I suppose is good. `btrfs scrub` also finds no problems. Boring Logs below. What I don't quite understand is how the scrub problem