On Mon, 16 Dec 2024 12:05:39 -0600 tpearson@xxxxxxxxxxxxxxxxxxxxx wrote: > Did you ever find a solution for this? We're running into the same problem on a highly customized aarch64 system (NXP QorIQ platform), same Infinband adapter and very similar crash: > > [ 4.544159] OF: /soc/pcie@3600000: no iommu-map translation for id 0x100 on (null) > [ 4.551873] ib_mthca: Mellanox InfiniBand HCA driver v1.0 (April 4, 2008) > [ 4.558690] ib_mthca: Initializing 0000:01:00.0 > [ 6.258309] ib_mthca 0000:01:00.0: HCA FW version 5.1.000 is old (5.3.000 is current). > [ 6.266272] ib_mthca 0000:01:00.0: If you have problems, try updating your HCA FW. > [ 6.393143] ib_mthca 0000:01:00.0 ibp1s0: renamed from ib0 > [ 6.399038] Unable to handle kernel NULL pointer dereference at virtual address 0000000000000010 > [ 6.407865] Mem abort info: > [ 6.410662] ESR = 0x0000000096000004 > [ 6.414419] EC = 0x25: DABT (current EL), IL = 32 bits > [ 6.419748] SET = 0, FnV = 0 > [ 6.422806] EA = 0, S1PTW = 0 > [ 6.425952] FSC = 0x04: level 0 translation fault > [ 6.430842] Data abort info: > [ 6.433725] ISV = 0, ISS = 0x00000004 > [ 6.437569] CM = 0, WnR = 0 > [ 6.440540] user pgtable: 4k pages, 48-bit VAs, pgdp=0000008086f60000 > [ 6.447003] [0000000000000010] pgd=0000000000000000, p4d=0000000000000000 > [ 6.453819] Internal error: Oops: 0000000096000004 [#1] SMP > [ 6.459412] Modules linked in: ib_ipoib(E) ib_umad(E) rdma_ucm(E) rdma_cm(E) iw_cm(E) ib_cm(E) configfs(E) ib_mthca(E) ib_uverbs(E) ib_core(E) > [ 6.472263] CPU: 0 PID: 100 Comm: kworker/u17:0 Tainted: G E 6.1.0+ #55 > [ 6.480297] Hardware name: Freescale Layerscape 2080a RDB Board (DT) > [ 6.486670] Workqueue: ib-comp-unb-wq ib_cq_poll_work [ib_core] > [ 6.492636] pstate: 800000c5 (Nzcv daIF -PAN -UAO -TCO -DIT -SSBS BTYPE=--) > [ 6.499624] pc : mthca_poll_cq+0x4f0/0x9a0 [ib_mthca] > [ 6.504703] lr : mthca_poll_cq+0x1e8/0x9a0 [ib_mthca] > > Since this is apparently hitting two different architectures, I suspect the problem is in the driver, not the arch-specific code. I may recommend we upgrade the card to work around this, but given the rarity of the hardware it's not something I want to recommend tinkering with and it may or may not even accept the new card in the first place. which kernel version is this ? It looks like the bug fixed with dc52aadbc184 RDMA/mthca: Fix crash when polling CQ for shared QPs Thomas. -- SUSE Software Solutions Germany GmbH HRB 36809 (AG Nürnberg) Geschäftsführer: Ivo Totev, Andrew McDonald, Werner Knoblich
