Hannes Reinecke <hare@xxxxxxx> 於 2023年8月18日 週五 下午5:21寫道： > > On 8/18/23 10:16, Mariusz Tkaczyk wrote: > > On Wed, 16 Aug 2023 16:37:26 +0700 > > Bagas Sanjaya <bagasdotme@xxxxxxxxx> wrote: > > > >> Hi, > >> > >> I notice a regression report on Bugzilla [1]. Quoting from it: > >> > >>> It needs to build at least 2 different RAIDs(eg. RAID0 and RAID10, RAID5 > >>> and RAID10) and then you will see below error repeatly(need to use serial > >>> console to see it) > >>> > >>> [ 205.360738] systemd-shutdown[1]: Stopping MD devices. > >>> [ 205.366384] systemd-shutdown[1]: sd-device-enumerator: Scan all dirs > >>> [ 205.373327] systemd-shutdown[1]: sd-device-enumerator: Scanning /sys/bus > >>> [ 205.380427] systemd-shutdown[1]: sd-device-enumerator: Scanning /sys/class > >>> [ 205.388257] systemd-shutdown[1]: Stopping MD /dev/md127 (9:127). > >>> [ 205.394880] systemd-shutdown[1]: Failed to sync MD block device > >>> /dev/md127, ignoring: Input/output error [ 205.404975] md: md127 stopped. > >>> [ 205.470491] systemd-shutdown[1]: Stopping MD /dev/md126 (9:126). > >>> [ 205.770179] md: md126: resync interrupted. > >>> [ 205.776258] md126: detected capacity change from 1900396544 to 0 > >>> [ 205.783349] md: md126 stopped. > >>> [ 205.862258] systemd-shutdown[1]: Stopping MD /dev/md125 (9:125). > >>> [ 205.862435] md: md126 stopped. > >>> [ 205.868376] systemd-shutdown[1]: Failed to sync MD block device > >>> /dev/md125, ignoring: Input/output error [ 205.872845] block device > >>> autoloading is deprecated and will be removed. [ 205.880955] md: md125 > >>> stopped. [ 205.934349] systemd-shutdown[1]: Stopping MD /dev/md124p2 > >>> (259:7). [ 205.947707] systemd-shutdown[1]: Could not stop MD /dev/md124p2: > >>> Device or resource busy [ 205.957004] systemd-shutdown[1]: Stopping MD > >>> /dev/md124p1 (259:6). [ 205.964177] systemd-shutdown[1]: Could not stop MD > >>> /dev/md124p1: Device or resource busy [ 205.973155] systemd-shutdown[1]: > >>> Stopping MD /dev/md124 (9:124). [ 205.979789] systemd-shutdown[1]: Could > >>> not stop MD /dev/md124: Device or resource busy [ 205.988475] > >>> systemd-shutdown[1]: Not all MD devices stopped, 4 left. > >> > >> See Bugzilla for the full thread and attached full journalctl log. > >> > >> Anyway, I'm adding this regression to be tracked by regzbot: > >> > >> #regzbot introduced: 12a6caf273240a > >> https://bugzilla.kernel.org/show_bug.cgi?id=217798 #regzbot title: systemd > >> shutdown hang on machine with different RAID levels > >> > >> Thanks. > >> > >> [1]: https://bugzilla.kernel.org/show_bug.cgi?id=217798 > >> > > > > Hello, > > The issue is reproducible with IMSM metadata too, around 20% of reboot hangs. I > > will try to raise the priority in the bug because it is valid high- the > > base functionality of the system is affected. > > > > Christoph, could you take a look in short term? > > > Does this help? > > > diff --git a/drivers/md/md.c b/drivers/md/md.c > index 78be7811a89f..b3661c8def8c 100644 > --- a/drivers/md/md.c > +++ b/drivers/md/md.c > @@ -9575,6 +9575,7 @@ static int md_notify_reboot(struct notifier_block > *this, > struct mddev *mddev, *n; > int need_delay = 0; > > + flush_workqueue(md_misc_wq); > spin_lock(&all_mddevs_lock); > list_for_each_entry_safe(mddev, n, &all_mddevs, all_mddevs) { > if (!mddev_get(mddev)) > > Cheers, > > Hannes > Hi Hannes, The patch doesn't work, I still can reproduce the issue after applied the patch on top of v6.5-rc7 706a74159504 Linux 6.5-rc7 -- Chia-Lin Kao(AceLan) http://blog.acelan.idv.tw/ E-Mail: acelan.kaoATcanonical.com (s/AT/@/)
