https://bugzilla.redhat.com/show_bug.cgi?id=1814682 --- Comment #40 from Alaa Hleihel (Mellanox) <ahleihel@xxxxxxxxxx> --- (In reply to Alaa Hleihel (Mellanox) from comment #38) > For issue #4, I see that there are upstream fixes in the "fuse" driver that > fixes a deadlock issue. > Those fixes were already backported to RHEL-8.2, will update my kernel and > retest. didn't help.. with kernel-debug, from the first terminal I ran "# cat /dev/rshim0/misc", and at the same time from another terminal I ran "# sudo minicom --color on --baudrate 115200 --device /dev/rshim0/console", then got: (I lowered hung_task_timeout_secs threshold to 10 seconds): [ 812.368606] INFO: task cat:5758 blocked for more than 10 seconds. [ 812.373943] Not tainted 4.18.0-193.el8.aarch64+debug #1 [ 812.379721] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 812.387436] cat D26640 5758 5687 0x00000209 [ 812.392996] Call trace: [ 812.395347] __switch_to+0x1a0/0x258 [ 812.398983] __schedule+0x918/0x2120 [ 812.402455] schedule+0xf4/0x3a8 [ 812.405722] request_wait_answer+0x29c/0x530 [fuse] [ 812.410669] fuse_simple_request+0x408/0x970 [fuse] [ 812.415440] fuse_direct_io+0xd88/0x18c8 [fuse] [ 812.419997] cuse_read_iter+0xdc/0x110 [cuse] [ 812.424249] new_sync_read+0x358/0x4b0 [ 812.427976] __vfs_read+0xc4/0xf8 [ 812.431358] vfs_read+0xe0/0x290 [ 812.434486] ksys_read+0xcc/0x178 [ 812.437786] __arm64_sys_read+0x70/0xa0 [ 812.441704] el0_svc_handler+0x160/0x388 [ 812.445511] el0_svc+0x8/0xc [ 812.448459] Showing all locks held in the system: [ 812.454560] 1 lock held by khungtaskd/292: [ 812.458709] #0: ffff2000139abda0 (rcu_read_lock){....}, at: debug_show_all_locks+0xd8/0x358 [ 812.467068] 2 locks held by agetty/1645: [ 812.471036] #0: ffff80143f62aa90 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x48/0x58 [ 812.479096] #1: ffff20002e6722e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x1ac/0x13f8 [ 812.489254] ============================================= -- You are receiving this mail because: You are on the CC list for the bug. You are always notified about changes to this product and component _______________________________________________ package-review mailing list -- package-review@xxxxxxxxxxxxxxxxxxxxxxx To unsubscribe send an email to package-review-leave@xxxxxxxxxxxxxxxxxxxxxxx Fedora Code of Conduct: https://docs.fedoraproject.org/en-US/project/code-of-conduct/ List Guidelines: https://fedoraproject.org/wiki/Mailing_list_guidelines List Archives: https://lists.fedoraproject.org/archives/list/package-review@xxxxxxxxxxxxxxxxxxxxxxx
