Re: first it froze, now the (btrfs) root fs won't mount ...

2019-10-23 Thread Austin S. Hemmelgarn
On 2019-10-22 18:56, Christian Pernegger wrote: [Please CC me, I'm not on the list.] Am Mo., 21. Okt. 2019 um 15:34 Uhr schrieb Qu Wenruo : [...] just fstrim wiped some old tree blocks. But maybe it's some unfortunate race, that fstrim trimmed some tree blocks still in use. Forgive me for as

Re: first it froze, now the (btrfs) root fs won't mount ...

2019-10-22 Thread Qu Wenruo
On 2019/10/23 上午6:56, Christian Pernegger wrote: > [Please CC me, I'm not on the list.] > > Am Mo., 21. Okt. 2019 um 15:34 Uhr schrieb Qu Wenruo : >> [...] just fstrim wiped some old tree blocks. But maybe it's some >> unfortunate race, that fstrim trimmed some tree blocks still in use. > > Fo

Re: first it froze, now the (btrfs) root fs won't mount ...

2019-10-22 Thread Christian Pernegger
[Please CC me, I'm not on the list.] Am Mo., 21. Okt. 2019 um 15:34 Uhr schrieb Qu Wenruo : > [...] just fstrim wiped some old tree blocks. But maybe it's some unfortunate > race, that fstrim trimmed some tree blocks still in use. Forgive me for asking, but assuming that's what happened, why are

Re: first it froze, now the (btrfs) root fs won't mount ...

2019-10-21 Thread Austin S. Hemmelgarn
On 2019-10-21 09:02, Christian Pernegger wrote: [Please CC me, I'm not on the list.] Am Mo., 21. Okt. 2019 um 13:47 Uhr schrieb Austin S. Hemmelgarn : I've [worked with fs clones] like this dozens of times on single-device volumes with exactly zero issues. Thank you, I have taken precautions

Re: first it froze, now the (btrfs) root fs won't mount ...

2019-10-21 Thread Qu Wenruo
On 2019/10/21 下午9:02, Christian Pernegger wrote: > [Please CC me, I'm not on the list.] > > Am Mo., 21. Okt. 2019 um 13:47 Uhr schrieb Austin S. Hemmelgarn > : >> I've [worked with fs clones] like this dozens of times on single-device >> volumes with exactly zero issues. > > Thank you, I have

Re: first it froze, now the (btrfs) root fs won't mount ...

2019-10-21 Thread Christian Pernegger
[Please CC me, I'm not on the list.] Am Mo., 21. Okt. 2019 um 13:47 Uhr schrieb Austin S. Hemmelgarn : > I've [worked with fs clones] like this dozens of times on single-device > volumes with exactly zero issues. Thank you, I have taken precautions, but it does seem to work fine. > There are ac

Re: first it froze, now the (btrfs) root fs won't mount ...

2019-10-21 Thread Austin S. Hemmelgarn
On 2019-10-21 06:47, Christian Pernegger wrote: [Please CC me, I'm not on the list.] Am So., 20. Okt. 2019 um 12:28 Uhr schrieb Qu Wenruo : Question: Can I work with the mounted backup image on the machine that also contains the original disc? I vaguely recall something about btrfs really not l

Re: first it froze, now the (btrfs) root fs won't mount ...

2019-10-21 Thread Qu Wenruo
On 2019/10/21 下午6:47, Christian Pernegger wrote: > [Please CC me, I'm not on the list.] > > Am So., 20. Okt. 2019 um 12:28 Uhr schrieb Qu Wenruo : >>> Question: Can I work with the mounted backup image on the machine that >>> also contains the original disc? I vaguely recall something about >>>

Re: first it froze, now the (btrfs) root fs won't mount ...

2019-10-21 Thread Christian Pernegger
[Please CC me, I'm not on the list.] Am So., 20. Okt. 2019 um 12:28 Uhr schrieb Qu Wenruo : > > Question: Can I work with the mounted backup image on the machine that > > also contains the original disc? I vaguely recall something about > > btrfs really not liking clones. > > If your fs only conta

Re: first it froze, now the (btrfs) root fs won't mount ...

2019-10-20 Thread Qu Wenruo
On 2019/10/20 下午6:22, Christian Pernegger wrote: > [Please CC me, I'm not on the list.] > > The current plan is to dump the whole NVMe with dd (ongoing ...) and > experiment on that. Safer that way. > > Question: Can I work with the mounted backup image on the machine that > also contains the o

Re: first it froze, now the (btrfs) root fs won't mount ...

2019-10-20 Thread Christian Pernegger
[Please CC me, I'm not on the list.] The current plan is to dump the whole NVMe with dd (ongoing ...) and experiment on that. Safer that way. Question: Can I work with the mounted backup image on the machine that also contains the original disc? I vaguely recall something about btrfs really not l

Re: first it froze, now the (btrfs) root fs won't mount ...

2019-10-20 Thread Christian Pernegger
[Re-send, hit reply instead of reply-all by mistake. Please CC me, I'm not on the list.] Good morning & thank you. Am So., 20. Okt. 2019 um 02:38 Uhr schrieb Qu Wenruo : > It looks like you're using eGPU and the thunderbolt 3 connection disconnect? > That would cause a kernel panic/hang or whatev

Re: first it froze, now the (btrfs) root fs won't mount ...

2019-10-19 Thread Qu Wenruo
On 2019/10/20 上午6:34, Christian Pernegger wrote: > [Please CC me, I'm not on the list.] > > Hello, > > I'm afraid I could use some help. > > The affected machine froze during a game, was entirely unresponsive > locally, though ssh still worked. For completeness' sake, dmesg had: > [110592.1285

first it froze, now the (btrfs) root fs won't mount ...

2019-10-19 Thread Christian Pernegger
[Please CC me, I'm not on the list.] Hello, I'm afraid I could use some help. The affected machine froze during a game, was entirely unresponsive locally, though ssh still worked. For completeness' sake, dmesg had: [110592.128512] [drm:amdgpu_job_timedout [amdgpu]] *ERROR* ring sdma0 timeout, si