> Is it using iscsi/srp/nfs/etc for any filesystems? Yes, dev sda is using iSCSI: ubuntu@inst-v4ovk-mitchell-instance-pool-20250205-1119:~$ sudo iscsiadm -m session -P 3 iSCSI Transport Class version 2.0-870 version 2.1.9 Target: iqn.2015-02.oracle.boot:uefi (non-flash) Current Portal: 169.254.0.2:3260,1 Persistent Portal: 169.254.0.2:3260,1 ********** Interface: ********** Iface Name: default Iface Transport: tcp Iface Initiatorname: iqn.2010-04.org.ipxe:080020ff-ffff-ffff-ffff-a8698c179e5c Iface IPaddress: 10.0.0.254 Iface HWaddress: default Iface Netdev: default SID: 1 iSCSI Connection State: LOGGED IN iSCSI Session State: LOGGED_IN Internal iscsid Session State: NO CHANGE ********* Timeouts: ********* Recovery Timeout: 6000 Target Reset Timeout: 30 LUN Reset Timeout: 30 Abort Timeout: 15 ***** CHAP: ***** username: <empty> password: ******** username_in: <empty> password_in: ******** ************************ Negotiated iSCSI params: ************************ HeaderDigest: None DataDigest: None MaxRecvDataSegmentLength: 262144 MaxXmitDataSegmentLength: 8192 FirstBurstLength: 65536 MaxBurstLength: 262144 ImmediateData: Yes InitialR2T: Yes MaxOutstandingR2T: 1 ************************ Attached SCSI devices: ************************ Host Number: 0 State: running scsi0 Channel 00 Id 0 Lun: 0 scsi0 Channel 00 Id 0 Lun: 1 Attached scsi disk sda State: running On Fri, Feb 7, 2025 at 9:55 AM Jason Gunthorpe <jgg@xxxxxxxx> wrote: > > On Wed, Feb 05, 2025 at 05:09:13PM -0600, Mitchell Augustin wrote: > > Hello, > > > > I have identified a bug in the mlx5_core module, or some related component. > > > > Doing the following on a freshly provisioned Oracle Cloud bare metal > > node with this configuration [0] will reliably cause the entire > > instance to become unresponsive: > > > > rmmod mlx5_ib; rmmod mlx5_core; modprobe mlx5_core > > > > This also produces the following output: > > > > [ 331.267175] I/O error, dev sda, sector 35602992 op 0x0:(READ) flags > > 0x80700 phys_seg 33 prio class 0 > > Is it using iscsi/srp/nfs/etc for any filesystems? > > Jason -- Mitchell Augustin Software Engineer - Ubuntu Partner Engineering
