Ubuntu 19.10 (Eoan Ermine) has reached end of life, so this bug will not
be fixed for that specific release.
** Changed in: linux (Ubuntu Eoan)
Status: Triaged => Won't Fix
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https://bugs.launchpad.net/bugs/1860013
Title:
[thunderx] Synchronous External Abort: synchronous parity or ECC error
Status in linux package in Ubuntu:
Triaged
Status in linux source package in Bionic:
Confirmed
Status in linux source package in Disco:
Won't Fix
Status in linux source package in Eoan:
Won't Fix
Status in linux source package in Focal:
Triaged
Bug description:
[Impact]
Under load, ThunderX systems eventually fail with:
[ 282.360376] Synchronous External Abort: synchronous parity or ECC error
(0x96000018) at 0x0000ffffa6eb7000
[ 282.372351] Internal error: : 96000018 [#1] SMP
[ 282.379152] Modules linked in: nls_iso8859_1 thunderx_edac thunderx_zip
shpchp cavium_rng_vf cavium_rng gpio_keys uio_pdrv_genirq uio ipmi_ssif
ipmi_devintf ipmi_msghandler sch_fq_codel ib_iser rdma_cm iw_cm ib_cm ib_core
iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi ip_tables x_tables autofs4
btrfs zstd_compress raid10 raid456 async_raid6_recov async_memcpy async_pq
async_xor async_tx xor raid6_pq libcrc32c raid1 raid0 multipath linear nicvf
nicpf uas usb_storage ast i2c_algo_bit ttm drm_kms_helper syscopyarea
sysfillrect sysimgblt aes_ce_blk fb_sys_fops aes_ce_cipher drm crc32_ce
crct10dif_ce ghash_ce sha2_ce sha256_arm64 sha1_ce ahci libahci thunder_bgx
thunder_xcv i2c_thunderx mdio_thunder thunderx_mmc mdio_cavium aes_neon_bs
aes_neon_blk crypto_simd cryptd aes_arm64
[ 282.467284] Process cc1 (pid: 39700, stack limit = 0x00000000e0c44146)
[ 282.477172] CPU: 25 PID: 39700 Comm: cc1 Not tainted 4.15.0-75-generic
#85+lp1857074.1
[ 282.488379] Hardware name: Cavium ThunderX CRB/To be filled by O.E.M.,
BIOS 5.11 12/12/2012
[ 282.500121] pstate: 80000005 (Nzcv daif -PAN -UAO)
[ 282.508297] pc : __arch_copy_to_user+0x13c/0x248
[ 282.516430] lr : cp_new_stat+0x140/0x178
[ 282.523768] sp : ffff00002e4d3d40
[ 282.530369] x29: ffff00002e4d3d40 x28: ffff801f51fa2d00
[ 282.538988] x27: ffff000008b52000 x26: 0000000000000050
[ 282.548031] x25: 0000000000000124 x24: 0000000000000015
[ 282.556872] x23: 0000000000000000 x22: 000000002e4d3d88
[ 282.565449] x21: ffff801f51fa2d00 x20: ffff000009588000
[ 282.574109] x19: ffff00002e4d3e30 x18: 0000ffffa87e7a70
[ 282.582790] x17: 0000ffffa8756110 x16: ffff0000082f4448
[ 282.591433] x15: 0000000000000000 x14: 0000000000000012
[ 282.599986] x13: 00682e6c746e6366 x12: 2f78756e696c2f69
[ 282.608730] x11: 0000000000000000 x10: 0000000000000cf0
[ 282.617283] x9 : 0000000000001000 x8 : 00000001000081a4
[ 282.625839] x7 : 0000000001001a2b x6 : 000000002e4d3da0
[ 282.634238] x5 : 000000002e4d3e08 x4 : 0000000000000008
[ 282.642754] x3 : 0000000000000802 x2 : fffffffffffffff8
[ 282.651250] x1 : ffff00002e4d3d90 x0 : 000000002e4d3d88
[ 282.660013] Call trace:
[ 282.665421] __arch_copy_to_user+0x13c/0x248
[ 282.672979] SyS_newfstat+0x58/0x88
[ 282.679272] el0_svc_naked+0x30/0x34
[ 282.685605] Code: a8c12027 a88120c7 d503201f d503201f (a8c12829)
[ 282.694411] ---[ end trace 863693cf0c3fd297 ]---
[Test Case]
We found this by doing a reboot/kernel build loop. (The reboot maybe
unnecessary). Code to automate this setup is at:
https://code.launchpad.net/~dannf/+git/kernel-build-reboot-loop
[Fix]
[Regression Risk]
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https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1860013/+subscriptions
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