K-9 mail not synching IMAP anymore

Hello,

I use K-9 mail v6.602 which is connected via IMAP to my mailserver.
Everything worked find over month, but since this morning it does not synch with the mailserver, anymore (only the spinning circle is animated if I do a manual refresh).
The mailserver works fine and is accessible from other devices without problems.
A few years ago I had a similar problem with K-9, because of too many mail in the INBOX. This morning I had a bit over 1000 mails in the INBOX and moved most of them into another folder directly on the server. At the moment there are still around 300 mails in the INBOX, but K-9 does still not sync wih the server.

The native Android mail app also syncs without issues.

In the debug log I found for over one minute the following. The manual sync (swipping down in INBOX) was triggered at exactly the time 08:08:00.

08-23 07:59:18.766 16231 16266 I com.fsck.k9: Starting a blocking GC Alloc
08-23 07:59:18.766 16231 16266 I com.fsck.k9: Starting a blocking GC Alloc
08-23 07:59:18.821 16231 16266 I com.fsck.k9: Alloc young concurrent copying GC freed 21000(20MB) AllocSpace objects, 0(0B) LOS objects, 36% free, 42MB/66MB, paused 205us,72us total 54.287ms
08-23 07:59:18.874 16231 16266 I com.fsck.k9: Starting a blocking GC Alloc
08-23 07:59:18.874 16231 16266 I com.fsck.k9: Starting a blocking GC Alloc
08-23 07:59:19.139 16231 16266 I com.fsck.k9: Alloc concurrent copying GC freed 24276(22MB) AllocSpace objects, 0(0B) LOS objects, 37% free, 40MB/64MB, paused 203us,83us total 264.483ms
08-23 07:59:43.415 16231 16240 I com.fsck.k9: Background concurrent copying GC freed 87603(86MB) AllocSpace objects, 0(0B) LOS objects, 24% free, 72MB/96MB, paused 205us,153us total 259.735ms
08-23 08:00:56.832 16231 16266 I com.fsck.k9: Waiting for a blocking GC Alloc
08-23 08:00:56.842 16231 16266 I com.fsck.k9: WaitForGcToComplete blocked Alloc on Background for 9.923ms
08-23 08:00:56.842 16231 16266 I com.fsck.k9: Starting a blocking GC Alloc
08-23 08:00:56.934 16231 16266 I com.fsck.k9: Waiting for a blocking GC Alloc
08-23 08:00:56.948 16231 16266 I com.fsck.k9: WaitForGcToComplete blocked Alloc on Background for 14.280ms
08-23 08:00:56.948 16231 16266 I com.fsck.k9: Starting a blocking GC Alloc
08-23 08:00:57.045 16231 16266 I com.fsck.k9: Waiting for a blocking GC Alloc
08-23 08:00:57.059 16231 16266 I com.fsck.k9: WaitForGcToComplete blocked Alloc on Background for 14.525ms
08-23 08:00:57.059 16231 16266 I com.fsck.k9: Starting a blocking GC Alloc
08-23 08:00:57.155 16231 16266 I com.fsck.k9: Waiting for a blocking GC Alloc
08-23 08:00:57.170 16231 16266 I com.fsck.k9: WaitForGcToComplete blocked Alloc on Background for 15.485ms
08-23 08:00:57.170 16231 16266 I com.fsck.k9: Starting a blocking GC Alloc
08-23 08:00:57.264 16231 16266 I com.fsck.k9: Waiting for a blocking GC Alloc
08-23 08:00:57.278 16231 16266 I com.fsck.k9: WaitForGcToComplete blocked Alloc on Background for 13.860ms
08-23 08:00:57.278 16231 16266 I com.fsck.k9: Starting a blocking GC Alloc
08-23 08:00:57.369 16231 16266 I com.fsck.k9: Waiting for a blocking GC Alloc
08-23 08:00:57.385 16231 16266 I com.fsck.k9: WaitForGcToComplete blocked Alloc on Background for 15.773ms
08-23 08:00:57.385 16231 16266 I com.fsck.k9: Starting a blocking GC Alloc
08-23 08:00:57.476 16231 16266 I com.fsck.k9: Waiting for a blocking GC Alloc
08-23 08:00:57.491 16231 16266 I com.fsck.k9: WaitForGcToComplete blocked Alloc on Background for 15.076ms
08-23 08:00:57.491 16231 16266 I com.fsck.k9: Starting a blocking GC Alloc
08-23 08:00:57.581 16231 16266 I com.fsck.k9: Waiting for a blocking GC Alloc
08-23 08:00:57.598 16231 16266 I com.fsck.k9: WaitForGcToComplete blocked Alloc on Background for 17.141ms
08-23 08:00:57.598 16231 16266 I com.fsck.k9: Starting a blocking GC Alloc
08-23 08:00:57.688 16231 16266 I com.fsck.k9: Waiting for a blocking GC Alloc
08-23 08:00:57.708 16231 16266 I com.fsck.k9: WaitForGcToComplete blocked Alloc on Background for 19.163ms
08-23 08:00:57.708 16231 16266 I com.fsck.k9: Starting a blocking GC Alloc
08-23 08:00:57.798 16231 16266 I com.fsck.k9: Waiting for a blocking GC Alloc
08-23 08:00:57.817 16231 16266 I com.fsck.k9: WaitForGcToComplete blocked Alloc on Background for 18.814ms
08-23 08:00:57.817 16231 16266 I com.fsck.k9: Starting a blocking GC Alloc
08-23 08:00:57.908 16231 16266 I com.fsck.k9: Waiting for a blocking GC Alloc
08-23 08:00:57.929 16231 16266 I com.fsck.k9: WaitForGcToComplete blocked Alloc on Background for 21.612ms
08-23 08:00:57.930 16231 16266 I com.fsck.k9: Starting a blocking GC Alloc
08-23 08:00:58.019 16231 16266 I com.fsck.k9: Waiting for a blocking GC Alloc
08-23 08:00:58.040 16231 16266 I com.fsck.k9: WaitForGcToComplete blocked Alloc on Background for 21.323ms
08-23 08:00:58.040 16231 16266 I com.fsck.k9: Starting a blocking GC Alloc
08-23 08:00:58.132 16231 16266 I com.fsck.k9: Waiting for a blocking GC Alloc
08-23 08:00:58.153 16231 16266 I com.fsck.k9: WaitForGcToComplete blocked Alloc on Background for 21.153ms
08-23 08:00:58.153 16231 16266 I com.fsck.k9: Starting a blocking GC Alloc
08-23 08:00:58.243 16231 16266 I com.fsck.k9: Waiting for a blocking GC Alloc
08-23 08:00:58.265 16231 16266 I com.fsck.k9: WaitForGcToComplete blocked Alloc on Background for 21.499ms
08-23 08:00:58.265 16231 16266 I com.fsck.k9: Starting a blocking GC Alloc
08-23 08:00:58.353 16231 16266 I com.fsck.k9: Waiting for a blocking GC Alloc
08-23 08:00:58.375 16231 16266 I com.fsck.k9: WaitForGcToComplete blocked Alloc on Background for 21.975ms
08-23 08:00:58.375 16231 16266 I com.fsck.k9: Starting a blocking GC Alloc
08-23 08:00:58.469 16231 16266 I com.fsck.k9: Waiting for a blocking GC Alloc
08-23 08:00:58.492 16231 16266 I com.fsck.k9: WaitForGcToComplete blocked Alloc on Background for 23.682ms
08-23 08:00:58.492 16231 16266 I com.fsck.k9: Starting a blocking GC Alloc
08-23 08:00:58.582 16231 16266 I com.fsck.k9: Waiting for a blocking GC Alloc
08-23 08:00:58.605 16231 16266 I com.fsck.k9: WaitForGcToComplete blocked Alloc on Background for 22.922ms
08-23 08:00:58.605 16231 16266 I com.fsck.k9: Starting a blocking GC Alloc
08-23 08:00:58.694 16231 16266 I com.fsck.k9: Waiting for a blocking GC Alloc
08-23 08:00:58.720 16231 16266 I com.fsck.k9: WaitForGcToComplete blocked Alloc on Background for 25.386ms
08-23 08:00:58.720 16231 16266 I com.fsck.k9: Starting a blocking GC Alloc
08-23 08:00:58.811 16231 16266 I com.fsck.k9: Waiting for a blocking GC Alloc
08-23 08:00:58.834 16231 16266 I com.fsck.k9: WaitForGcToComplete blocked Alloc on Background for 23.296ms
08-23 08:00:58.834 16231 16266 I com.fsck.k9: Starting a blocking GC Alloc
08-23 08:00:58.922 16231 16266 I com.fsck.k9: Waiting for a blocking GC Alloc
08-23 08:00:58.947 16231 16266 I com.fsck.k9: WaitForGcToComplete blocked Alloc on Background for 25.628ms
08-23 08:00:58.947 16231 16266 I com.fsck.k9: Starting a blocking GC Alloc
08-23 08:00:59.038 16231 16266 I com.fsck.k9: Waiting for a blocking GC Alloc
08-23 08:00:59.062 16231 16266 I com.fsck.k9: WaitForGcToComplete blocked Alloc on Background for 24.518ms
08-23 08:00:59.062 16231 16266 I com.fsck.k9: Starting a blocking GC Alloc
08-23 08:00:59.157 16231 16266 I com.fsck.k9: Waiting for a blocking GC Alloc
08-23 08:00:59.178 16231 16266 I com.fsck.k9: WaitForGcToComplete blocked Alloc on Background for 20.602ms
08-23 08:00:59.178 16231 16266 I com.fsck.k9: Starting a blocking GC Alloc
08-23 08:00:59.269 16231 16266 I com.fsck.k9: Waiting for a blocking GC Alloc
08-23 08:00:59.293 16231 16266 I com.fsck.k9: WaitForGcToComplete blocked Alloc on Background for 23.820ms
08-23 08:00:59.293 16231 16266 I com.fsck.k9: Starting a blocking GC Alloc
08-23 08:00:59.380 16231 16266 I com.fsck.k9: Waiting for a blocking GC Alloc
08-23 08:00:59.408 16231 16266 I com.fsck.k9: WaitForGcToComplete blocked Alloc on Background for 27.815ms
08-23 08:00:59.408 16231 16266 I com.fsck.k9: Starting a blocking GC Alloc
08-23 08:00:59.497 16231 16266 I com.fsck.k9: Waiting for a blocking GC Alloc
08-23 08:00:59.524 16231 16266 I com.fsck.k9: WaitForGcToComplete blocked Alloc on Background for 27.047ms
08-23 08:00:59.524 16231 16266 I com.fsck.k9: Starting a blocking GC Alloc
08-23 08:00:59.612 16231 16266 I com.fsck.k9: Waiting for a blocking GC Alloc
08-23 08:00:59.638 16231 16266 I com.fsck.k9: WaitForGcToComplete blocked Alloc on Background for 25.707ms
08-23 08:00:59.638 16231 16266 I com.fsck.k9: Starting a blocking GC Alloc
08-23 08:00:59.734 16231 16266 I com.fsck.k9: Waiting for a blocking GC Alloc
08-23 08:00:59.756 16231 16266 I com.fsck.k9: WaitForGcToComplete blocked Alloc on Background for 22.089ms
08-23 08:00:59.756 16231 16266 I com.fsck.k9: Starting a blocking GC Alloc
08-23 08:00:59.846 16231 16266 I com.fsck.k9: Waiting for a blocking GC Alloc
08-23 08:00:59.869 16231 16266 I com.fsck.k9: WaitForGcToComplete blocked Alloc on Background for 23.242ms
08-23 08:00:59.869 16231 16266 I com.fsck.k9: Starting a blocking GC Alloc
08-23 08:00:59.959 16231 16266 I com.fsck.k9: Waiting for a blocking GC Alloc
08-23 08:00:59.984 16231 16266 I com.fsck.k9: WaitForGcToComplete blocked Alloc on Background for 24.645ms
08-23 08:00:59.984 16231 16266 I com.fsck.k9: Starting a blocking GC Alloc
08-23 08:01:00.067 16231 16266 I com.fsck.k9: Waiting for a blocking GC Alloc
08-23 08:01:00.093 16231 16266 I com.fsck.k9: WaitForGcToComplete blocked Alloc on Background for 25.878ms
08-23 08:01:00.093 16231 16266 I com.fsck.k9: Starting a blocking GC Alloc
08-23 08:01:00.179 16231 16266 I com.fsck.k9: Waiting for a blocking GC Alloc
08-23 08:01:00.205 16231 16266 I com.fsck.k9: WaitForGcToComplete blocked Alloc on Background for 25.968ms
08-23 08:01:00.205 16231 16266 I com.fsck.k9: Starting a blocking GC Alloc
08-23 08:01:00.291 16231 16266 I com.fsck.k9: Waiting for a blocking GC Alloc
08-23 08:01:00.321 16231 16266 I com.fsck.k9: WaitForGcToComplete blocked Alloc on Background for 30.080ms
08-23 08:01:00.322 16231 16266 I com.fsck.k9: Starting a blocking GC Alloc
08-23 08:01:00.407 16231 16266 I com.fsck.k9: Waiting for a blocking GC Alloc
08-23 08:01:00.433 16231 16266 I com.fsck.k9: WaitForGcToComplete blocked Alloc on Background for 25.736ms
08-23 08:01:00.433 16231 16266 I com.fsck.k9: Starting a blocking GC Alloc
08-23 08:01:00.518 16231 16266 I com.fsck.k9: Waiting for a blocking GC Alloc
08-23 08:01:00.546 16231 16266 I com.fsck.k9: WaitForGcToComplete blocked Alloc on Background for 27.980ms
08-23 08:01:00.546 16231 16266 I com.fsck.k9: Starting a blocking GC Alloc
08-23 08:01:00.636 16231 16266 I com.fsck.k9: Waiting for a blocking GC Alloc
08-23 08:01:00.663 16231 16266 I com.fsck.k9: WaitForGcToComplete blocked Alloc on Background for 27.144ms
08-23 08:01:00.663 16231 16266 I com.fsck.k9: Starting a blocking GC Alloc
08-23 08:01:00.745 16231 16266 I com.fsck.k9: Waiting for a blocking GC Alloc
08-23 08:01:00.774 16231 16266 I com.fsck.k9: WaitForGcToComplete blocked Alloc on Background for 29.720ms
08-23 08:01:00.775 16231 16266 I com.fsck.k9: Starting a blocking GC Alloc
08-23 08:01:00.859 16231 16266 I com.fsck.k9: Waiting for a blocking GC Alloc
08-23 08:01:00.889 16231 16266 I com.fsck.k9: WaitForGcToComplete blocked Alloc on Background for 30.133ms
08-23 08:01:00.889 16231 16266 I com.fsck.k9: Starting a blocking GC Alloc
08-23 08:01:00.972 16231 16266 I com.fsck.k9: Waiting for a blocking GC Alloc
08-23 08:01:01.002 16231 16266 I com.fsck.k9: WaitForGcToComplete blocked Alloc on Background for 29.512ms
08-23 08:01:01.002 16231 16266 I com.fsck.k9: Starting a blocking GC Alloc
08-23 08:01:01.084 16231 16266 I com.fsck.k9: Waiting for a blocking GC Alloc
08-23 08:01:01.116 16231 16266 I com.fsck.k9: WaitForGcToComplete blocked Alloc on Background for 31.859ms
08-23 08:01:01.116 16231 16266 I com.fsck.k9: Starting a blocking GC Alloc
08-23 08:01:01.198 16231 16266 I com.fsck.k9: Waiting for a blocking GC Alloc
08-23 08:01:01.228 16231 16266 I com.fsck.k9: WaitForGcToComplete blocked Alloc on Background for 29.788ms
08-23 08:01:01.228 16231 16266 I com.fsck.k9: Starting a blocking GC Alloc
08-23 08:01:01.309 16231 16266 I com.fsck.k9: Waiting for a blocking GC Alloc
08-23 08:01:01.339 16231 16266 I com.fsck.k9: WaitForGcToComplete blocked Alloc on Background for 29.415ms
08-23 08:01:01.339 16231 16266 I com.fsck.k9: Starting a blocking GC Alloc
08-23 08:01:01.429 16231 16266 I com.fsck.k9: Waiting for a blocking GC Alloc
08-23 08:01:01.459 16231 16266 I com.fsck.k9: WaitForGcToComplete blocked Alloc on Background for 29.976ms
08-23 08:01:01.459 16231 16266 I com.fsck.k9: Starting a blocking GC Alloc
08-23 08:01:01.539 16231 16266 I com.fsck.k9: Waiting for a blocking GC Alloc
08-23 08:01:01.569 16231 16266 I com.fsck.k9: WaitForGcToComplete blocked Alloc on Background for 29.170ms
08-23 08:01:01.569 16231 16266 I com.fsck.k9: Starting a blocking GC Alloc
08-23 08:01:01.648 16231 16266 I com.fsck.k9: Waiting for a blocking GC Alloc
08-23 08:01:01.682 16231 16266 I com.fsck.k9: WaitForGcToComplete blocked Alloc on Background for 34.285ms
08-23 08:01:01.682 16231 16266 I com.fsck.k9: Starting a blocking GC Alloc
08-23 08:01:01.761 16231 16266 I com.fsck.k9: Waiting for a blocking GC Alloc
08-23 08:01:01.794 16231 16266 I com.fsck.k9: WaitForGcToComplete blocked Alloc on Background for 33.304ms
08-23 08:01:01.794 16231 16266 I com.fsck.k9: Starting a blocking GC Alloc
08-23 08:01:01.872 16231 16266 I com.fsck.k9: Waiting for a blocking GC Alloc
08-23 08:01:01.906 16231 16266 I com.fsck.k9: WaitForGcToComplete blocked Alloc on Background for 33.817ms
08-23 08:01:01.906 16231 16266 I com.fsck.k9: Starting a blocking GC Alloc
08-23 08:01:01.991 16231 16266 I com.fsck.k9: Waiting for a blocking GC Alloc
08-23 08:01:02.021 16231 16266 I com.fsck.k9: WaitForGcToComplete blocked Alloc on Background for 30.337ms
08-23 08:01:02.021 16231 16266 I com.fsck.k9: Starting a blocking GC Alloc
08-23 08:01:02.100 16231 16266 I com.fsck.k9: Waiting for a blocking GC Alloc
08-23 08:01:02.136 16231 16266 I com.fsck.k9: WaitForGcToComplete blocked Alloc on Background for 36.155ms
08-23 08:01:02.136 16231 16266 I com.fsck.k9: Starting a blocking GC Alloc
08-23 08:01:02.211 16231 16266 I com.fsck.k9: Waiting for a blocking GC Alloc
08-23 08:01:02.243 16231 16266 I com.fsck.k9: WaitForGcToComplete blocked Alloc on Background for 32.087ms
08-23 08:01:02.243 16231 16266 I com.fsck.k9: Starting a blocking GC Alloc
08-23 08:01:02.319 16231 16266 I com.fsck.k9: Waiting for a blocking GC Alloc
08-23 08:01:02.353 16231 16266 I com.fsck.k9: WaitForGcToComplete blocked Alloc on Background for 33.991ms
08-23 08:01:02.353 16231 16266 I com.fsck.k9: Starting a blocking GC Alloc
08-23 08:01:02.428 16231 16266 I com.fsck.k9: Waiting for a blocking GC Alloc
08-23 08:01:02.466 16231 16266 I com.fsck.k9: WaitForGcToComplete blocked Alloc on Background for 37.080ms
08-23 08:01:02.466 16231 16266 I com.fsck.k9: Starting a blocking GC Alloc
08-23 08:01:02.543 16231 16266 I com.fsck.k9: Waiting for a blocking GC Alloc
08-23 08:01:02.578 16231 16266 I com.fsck.k9: WaitForGcToComplete blocked Alloc on Background for 34.697ms
08-23 08:01:02.578 16231 16266 I com.fsck.k9: Starting a blocking GC Alloc
08-23 08:01:02.654 16231 16266 I com.fsck.k9: Waiting for a blocking GC Alloc
08-23 08:01:02.690 16231 16266 I com.fsck.k9: WaitForGcToComplete blocked Alloc on Background for 36.049ms
08-23 08:01:02.690 16231 16266 I com.fsck.k9: Starting a blocking GC Alloc
08-23 08:01:02.765 16231 16266 I com.fsck.k9: Waiting for a blocking GC Alloc
08-23 08:01:02.803 16231 16266 I com.fsck.k9: WaitForGcToComplete blocked Alloc on Background for 37.749ms
08-23 08:01:02.803 16231 16266 I com.fsck.k9: Starting a blocking GC Alloc
08-23 08:01:02.882 16231 16266 I com.fsck.k9: Waiting for a blocking GC Alloc
08-23 08:01:02.918 16231 16266 I com.fsck.k9: WaitForGcToComplete blocked Alloc on Background for 36.309ms
08-23 08:01:02.918 16231 16266 I com.fsck.k9: Starting a blocking GC Alloc
08-23 08:01:02.997 16231 16266 I com.fsck.k9: Waiting for a blocking GC Alloc
08-23 08:01:03.033 16231 16266 I com.fsck.k9: WaitForGcToComplete blocked Alloc on Background for 35.757ms
08-23 08:01:03.033 16231 16266 I com.fsck.k9: Starting a blocking GC Alloc
08-23 08:01:03.108 16231 16266 I com.fsck.k9: Waiting for a blocking GC Alloc
08-23 08:01:03.146 16231 16266 I com.fsck.k9: WaitForGcToComplete blocked Alloc on Background for 37.955ms
08-23 08:01:03.146 16231 16266 I com.fsck.k9: Starting a blocking GC Alloc
08-23 08:01:03.222 16231 16266 I com.fsck.k9: Waiting for a blocking GC Alloc
08-23 08:01:03.258 16231 16266 I com.fsck.k9: WaitForGcToComplete blocked Alloc on Background for 35.694ms
08-23 08:01:03.258 16231 16266 I com.fsck.k9: Starting a blocking GC Alloc
08-23 08:01:03.330 16231 16266 I com.fsck.k9: Waiting for a blocking GC Alloc
08-23 08:01:03.368 16231 16266 I com.fsck.k9: WaitForGcToComplete blocked Alloc on Background for 37.758ms
08-23 08:01:03.368 16231 16266 I com.fsck.k9: Starting a blocking GC Alloc
08-23 08:01:03.448 16231 16266 I com.fsck.k9: Waiting for a blocking GC Alloc
08-23 08:01:03.484 16231 16266 I com.fsck.k9: WaitForGcToComplete blocked Alloc on Background for 36.633ms
08-23 08:01:03.484 16231 16266 I com.fsck.k9: Starting a blocking GC Alloc
08-23 08:01:03.561 16231 16266 I com.fsck.k9: Waiting for a blocking GC Alloc
08-23 08:01:03.597 16231 16266 I com.fsck.k9: WaitForGcToComplete blocked Alloc on Background for 35.940ms
08-23 08:01:03.597 16231 16266 I com.fsck.k9: Starting a blocking GC Alloc
08-23 08:01:03.670 16231 16266 I com.fsck.k9: Waiting for a blocking GC Alloc
08-23 08:01:03.709 16231 16266 I com.fsck.k9: WaitForGcToComplete blocked Alloc on Background for 38.372ms
08-23 08:01:03.709 16231 16266 I com.fsck.k9: Starting a blocking GC Alloc
08-23 08:01:03.782 16231 16266 I com.fsck.k9: Waiting for a blocking GC Alloc
08-23 08:01:03.820 16231 16266 I com.fsck.k9: WaitForGcToComplete blocked Alloc on Background for 37.200ms
08-23 08:01:03.820 16231 16266 I com.fsck.k9: Starting a blocking GC Alloc
08-23 08:01:03.888 16231 16266 I com.fsck.k9: Waiting for a blocking GC Alloc
08-23 08:01:03.927 16231 16266 I com.fsck.k9: WaitForGcToComplete blocked Alloc on Background for 39.147ms
08-23 08:01:03.927 16231 16266 I com.fsck.k9: Starting a blocking GC Alloc
08-23 08:01:04.004 16231 16266 I com.fsck.k9: Waiting for a blocking GC Alloc
08-23 08:01:04.042 16231 16266 I com.fsck.k9: WaitForGcToComplete blocked Alloc on Background for 38.309ms
08-23 08:01:04.042 16231 16266 I com.fsck.k9: Starting a blocking GC Alloc
08-23 08:01:04.119 16231 16266 I com.fsck.k9: Waiting for a blocking GC Alloc
08-23 08:01:04.156 16231 16266 I com.fsck.k9: WaitForGcToComplete blocked Alloc on Background for 36.793ms
08-23 08:01:04.156 16231 16266 I com.fsck.k9: Starting a blocking GC Alloc
08-23 08:01:04.230 16231 16266 I com.fsck.k9: Waiting for a blocking GC Alloc
08-23 08:01:04.268 16231 16266 I com.fsck.k9: WaitForGcToComplete blocked Alloc on Background for 38.517ms
08-23 08:01:04.268 16231 16266 I com.fsck.k9: Starting a blocking GC Alloc
08-23 08:01:04.345 16231 16266 I com.fsck.k9: Waiting for a blocking GC Alloc
08-23 08:01:04.384 16231 16266 I com.fsck.k9: WaitForGcToComplete blocked Alloc on Background for 38.676ms
08-23 08:01:04.384 16231 16266 I com.fsck.k9: Starting a blocking GC Alloc
08-23 08:01:04.458 16231 16266 I com.fsck.k9: Waiting for a blocking GC Alloc
08-23 08:01:04.499 16231 16266 I com.fsck.k9: WaitForGcToComplete blocked Alloc on Background for 40.791ms
08-23 08:01:04.499 16231 16266 I com.fsck.k9: Starting a blocking GC Alloc
08-23 08:01:04.577 16231 16266 I com.fsck.k9: Waiting for a blocking GC Alloc
08-23 08:01:04.616 16231 16266 I com.fsck.k9: WaitForGcToComplete blocked Alloc on Background for 39.289ms
08-23 08:01:04.616 16231 16266 I com.fsck.k9: Starting a blocking GC Alloc
08-23 08:01:04.686 16231 16266 I com.fsck.k9: Waiting for a blocking GC Alloc
08-23 08:01:04.725 16231 16266 I com.fsck.k9: WaitForGcToComplete blocked Alloc on Background for 38.658ms
08-23 08:01:04.725 16231 16266 I com.fsck.k9: Starting a blocking GC Alloc
08-23 08:01:04.796 16231 16266 I com.fsck.k9: Waiting for a blocking GC Alloc
08-23 08:01:04.836 16231 16266 I com.fsck.k9: WaitForGcToComplete blocked Alloc on Background for 40.236ms
08-23 08:01:04.836 16231 16266 I com.fsck.k9: Starting a blocking GC Alloc
08-23 08:01:04.909 16231 16266 I com.fsck.k9: Waiting for a blocking GC Alloc
08-23 08:01:04.952 16231 16266 I com.fsck.k9: WaitForGcToComplete blocked Alloc on Background for 42.955ms
08-23 08:01:04.952 16231 16266 I com.fsck.k9: Starting a blocking GC Alloc
08-23 08:01:05.020 16231 16266 I com.fsck.k9: Waiting for a blocking GC Alloc
08-23 08:01:05.063 16231 16266 I com.fsck.k9: WaitForGcToComplete blocked Alloc on Background for 43.130ms
08-23 08:01:05.063 16231 16266 I com.fsck.k9: Starting a blocking GC Alloc
08-23 08:01:05.132 16231 16266 I com.fsck.k9: Waiting for a blocking GC Alloc
08-23 08:01:05.174 16231 16266 I com.fsck.k9: WaitForGcToComplete blocked Alloc on Background for 42.650ms
08-23 08:01:05.174 16231 16266 I com.fsck.k9: Starting a blocking GC Alloc
08-23 08:01:05.240 16231 16266 I com.fsck.k9: Waiting for a blocking GC Alloc
08-23 08:01:05.286 16231 16266 I com.fsck.k9: WaitForGcToComplete blocked Alloc on Background for 45.556ms
08-23 08:01:05.286 16231 16266 I com.fsck.k9: Starting a blocking GC Alloc
08-23 08:01:05.355 16231 16266 I com.fsck.k9: Waiting for a blocking GC Alloc
08-23 08:01:05.399 16231 16266 I com.fsck.k9: WaitForGcToComplete blocked Alloc on Background for 44.106ms
08-23 08:01:05.399 16231 16266 I com.fsck.k9: Starting a blocking GC Alloc
08-23 08:01:05.467 16231 16266 I com.fsck.k9: Waiting for a blocking GC Alloc
08-23 08:01:05.509 16231 16266 I com.fsck.k9: WaitForGcToComplete blocked Alloc on Background for 42.513ms
08-23 08:01:05.509 16231 16266 I com.fsck.k9: Starting a blocking GC Alloc
08-23 08:01:05.578 16231 16266 I com.fsck.k9: Waiting for a blocking GC Alloc
08-23 08:01:05.623 16231 16266 I com.fsck.k9: WaitForGcToComplete blocked Alloc on Background for 44.885ms
08-23 08:01:05.623 16231 16266 I com.fsck.k9: Starting a blocking GC Alloc
08-23 08:01:05.690 16231 16266 I com.fsck.k9: Waiting for a blocking GC Alloc
08-23 08:01:05.742 16231 16266 I com.fsck.k9: WaitForGcToComplete blocked Alloc on Background for 52.593ms
08-23 08:01:05.742 16231 16266 I com.fsck.k9: Starting a blocking GC Alloc
08-23 08:01:05.809 16231 16266 I com.fsck.k9: Waiting for a blocking GC Alloc
08-23 08:01:05.859 16231 16266 I com.fsck.k9: WaitForGcToComplete blocked Alloc on Background for 50.330ms
08-23 08:01:05.859 16231 16266 I com.fsck.k9: Starting a blocking GC Alloc
08-23 08:01:05.921 16231 16266 I com.fsck.k9: Waiting for a blocking GC Alloc
08-23 08:01:05.971 16231 16266 I com.fsck.k9: WaitForGcToComplete blocked Alloc on Background for 49.120ms
08-23 08:01:05.971 16231 16266 I com.fsck.k9: Starting a blocking GC Alloc
08-23 08:01:06.038 16231 16266 I com.fsck.k9: Waiting for a blocking GC Alloc
08-23 08:01:06.082 16231 16266 I com.fsck.k9: WaitForGcToComplete blocked Alloc on Background for 44.230ms
08-23 08:01:06.082 16231 16266 I com.fsck.k9: Starting a blocking GC Alloc
08-23 08:01:06.150 16231 16266 I com.fsck.k9: Waiting for a blocking GC Alloc
08-23 08:01:06.198 16231 16266 I com.fsck.k9: WaitForGcToComplete blocked Alloc on Background for 47.621ms
08-23 08:01:06.198 16231 16266 I com.fsck.k9: Starting a blocking GC Alloc
08-23 08:01:06.268 16231 16266 I com.fsck.k9: Waiting for a blocking GC Alloc
08-23 08:01:06.314 16231 16266 I com.fsck.k9: WaitForGcToComplete blocked Alloc on Background for 46.475ms
08-23 08:01:06.314 16231 16266 I com.fsck.k9: Starting a blocking GC Alloc
08-23 08:01:06.374 16231 16266 I com.fsck.k9: Waiting for a blocking GC Alloc
08-23 08:01:06.430 16231 16266 I com.fsck.k9: WaitForGcToComplete blocked Alloc on Background for 56.070ms
08-23 08:01:06.431 16231 16266 I com.fsck.k9: Starting a blocking GC Alloc
08-23 08:01:06.493 16231 16266 I com.fsck.k9: Waiting for a blocking GC Alloc
08-23 08:01:06.537 16231 16266 I com.fsck.k9: WaitForGcToComplete blocked Alloc on Background for 43.969ms

Does anyone have an idea on how I can get K-9 mail to sync with the server?

Thanks a lot in advance,

Thomas

you could try

1 Like

Update:
After a restart of the smartphone K-9 mail is synching again without problems.
But I still don’t know what the problem was :confused:

1 Like

Please mark your message as solution so others can find it easily

1 Like