From: chuhu@redhat•com (Chunyu Hu)
To: linux-arm-kernel@lists•infradead.org
Subject: Bug report: Bad mode in FIQ handler detected on CPU0, code 0x56000000
Date: Thu, 9 Aug 2018 08:47:38 -0400 (EDT) [thread overview]
Message-ID: <381494229.23979617.1533818858635.JavaMail.zimbra@redhat.com> (raw)
In-Reply-To: <1426298268.23978174.1533818483053.JavaMail.zimbra@redhat.com>
Hi!
I hit an 100% panic when I executed:
perf &
perf top
Logs are as below,
[ 123.234492] Bad mode in FIQ handler detected on CPU0, code 0x56000000 -- SVC (AArch64)
[ 123.242379] Internal error: Oops - bad mode: 0 [#1] SMP
[ 123.247578] Modules linked in: rpcsec_gss_krb5 auth_rpcgss nfsv4 dns_resolver nfs lockd grace fscache sunrpc vfat fat xgene_hwmon sg gpio_xgene_sb gpio_dwapb xgene_edac mailbox_xgene_slimpro gpio_generic xgene_rng uio_pdrv_genirq uio xfs libcrc32c xgene_enet at803x i2c_xgene_slimpro realtek ahci_xgene libahci_platform mdio_xgene dm_mirror dm_region_hash dm_log dm_mod
[ 123.279949] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.18.0-rc8+ #1
[ 123.286270] Hardware name: AmpereComputing(R) Mustang/Mustang, BIOS 0ACDY027 06/22/2018
[ 123.294235] pstate: 00000085 (nzcv daIf -PAN -UAO)
[ 123.299005] pc : __perf_event_enable+0x188/0x1e0
[ 123.303599] lr : __perf_event_enable+0x188/0x1e0
[ 123.308191] sp : ffff00000800fe80
[ 123.311486] x29: ffff00000800fe80 x28: ffff0000092c5640
[ 123.316772] x27: 0000000000000000 x26: 0000000000000000
[ 123.322058] x25: 0000000000000001 x24: 0000000000000000
[ 123.327343] x23: ffff8003c926b000 x22: ffff8003c926b000
[ 123.332629] x21: ffff8003ffdf51a0 x20: ffff8003ffdf51a0
[ 123.337914] x19: ffff8003c926b000 x18: ffff0000092f7104
[ 123.343199] x17: 000000007fff2728 x16: 0000000000000000
[ 123.348485] x15: ffff0000092f7100 x14: 0000000000000000
[ 123.353771] x13: ffff8003a081d1e0 x12: ffff8003a081d208
[ 123.359056] x11: ffff8003a081d2f9 x10: 0000000000000c50
[ 123.364341] x9 : ffff00000928fe30 x8 : 0000000000000001
[ 123.369626] x7 : ffff8003c926b000 x6 : 00000000869b5fc0
[ 123.374912] x5 : 00ffffffffffffff x4 : ffff8003c2ef5500
[ 123.380197] x3 : 0000000000000000 x2 : 0000000000000041
[ 123.385482] x1 : 0000000000000080 x0 : 0000000000000070
[ 123.390769] Process swapper/0 (pid: 0, stack limit = 0x00000000307099b4)
[ 123.397436] Call trace:
[ 123.399869] __perf_event_enable+0x188/0x1e0
[ 123.404117] event_function+0x84/0xd0
[ 123.407760] remote_function+0x58/0x68
[ 123.411491] flush_smp_call_function_queue+0x60/0x150
[ 123.416516] generic_smp_call_function_single_interrupt+0x18/0x20
[ 123.422581] handle_IPI+0x110/0x390
[ 123.426050] gic_handle_irq+0xa4/0xa8
[ 123.429693] el1_irq+0xb0/0x140
[ 123.432818] arch_cpu_idle+0x34/0x140
[ 123.436462] do_idle+0x210/0x278
[ 123.439673] cpu_startup_entry+0x2c/0x30
[ 123.443576] rest_init+0xb8/0xc4
[ 123.446788] start_kernel+0x448/0x470
[ 123.450432] Code: f100007f 321d0043 1a820062 97ffff77 (17ffffbf)
[ 123.456501] ---[ end trace 7c22327cfccb25ee ]---
[ 123.461094] Kernel panic - not syncing: Fatal exception in interrupt
[ 123.467417] SMP: stopping secondary CPUs
[ 123.471321] Kernel Offset: disabled
[ 123.474791] CPU features: 0x20802000
[ 123.478347] Memory Limit: none
[ 123.481386] ---[ end Kernel panic - not syncing: Fatal exception in interrupt ]---
[ 123.488918] Bad mode in FIQ handler detected on CPU0, code 0x56000000 -- SVC (AArch64)
Is this a known issue?
--
Regards,
Chunyu Hu
next parent reply other threads:[~2018-08-09 12:47 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <1426298268.23978174.1533818483053.JavaMail.zimbra@redhat.com>
2018-08-09 12:47 ` Chunyu Hu [this message]
2018-08-09 13:16 ` Bug report: Bad mode in FIQ handler detected on CPU0, code 0x56000000 Will Deacon
2018-08-10 6:30 ` Chunyu Hu
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