Bug 216723
| Summary: | BUG: spinlock wrong CPU on CPU#0, swapper/0/1 with CONFIG_NETCONSOLE=y (on a PowerMac G4 DP) | ||
|---|---|---|---|
| Product: | Platform Specific/Hardware | Reporter: | Erhard F. (erhard_f) |
| Component: | PPC-32 | Assignee: | platform_ppc-32 |
| Status: | RESOLVED OBSOLETE | ||
| Severity: | normal | ||
| Priority: | P1 | ||
| Hardware: | PPC-32 | ||
| OS: | Linux | ||
| Kernel Version: | 6.1-rc6 | Subsystem: | |
| Regression: | No | Bisected commit-id: | |
| Attachments: | kernel dmesg (6.1-rc6, PowerMac G4 DP) | ||
Closed in favor of https://lore.kernel.org/netdev/20240428125306.2c3080ef@legion/ |
Created attachment 303258 [details] kernel dmesg (6.1-rc6, PowerMac G4 DP) With netconsole on I get hits like this sometimes at boot: [...] netpoll: netconsole: local port 6666 netpoll: netconsole: local IPv4 address 192.168.2.5 netpoll: netconsole: interface 'eth0' netpoll: netconsole: remote port 6666 netpoll: netconsole: remote IPv4 address 192.168.2.2 netpoll: netconsole: remote ethernet address 70:85:c2:30:ec:01 netpoll: netconsole: device eth0 not up yet, forcing it sungem_phy: PHY ID: 2060e1, addr: 0 gem 0002:20:0f.0 eth0: Found BCM5421 PHY gem 0002:20:0f.0 eth0: Link is up at 1000 Mbps, full-duplex gem 0002:20:0f.0 eth0: Pause is enabled (rxfifo: 10240 off: 7168 on: 5632) IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready printk: console [netcon0] enabled ------------[ cut here ]------------ netpoll_send_skb_on_dev(): eth0 enabled interrupts in poll (gem_start_xmit+0x0/0x7ac) WARNING: CPU: 1 PID: 1 at net/core/netpoll.c:353 netpoll_send_skb+0x378/0x3cc Modules linked in: CPU: 1 PID: 1 Comm: swapper/0 Tainted: G T 6.1.0-rc6-PMacG4 #21 Hardware name: PowerMac3,6 7455 0x80010303 PowerMac NIP: c0b27a78 LR: c0b27a78 CTR: 00000000 REGS: f1033950 TRAP: 0700 Tainted: G T (6.1.0-rc6-PMacG4) MSR: 00029032 <EE,ME,IR,DR,RI> CR: 44002884 XER: 00000000 GPR00: 00000000 f1033a10 c192a5a0 00000000 00000000 00000000 00000000 00000000 GPR08: 00000000 00000000 00000000 00000000 00000000 00000000 00000001 00000000 GPR16: fe20677a c1579b80 00000075 c168f9c8 c168f990 00009032 c18575b0 c329c090 GPR24: 00000000 c1857558 00001032 c348fe80 c3475404 c3480260 c329c000 c0f373e0 NIP [c0b27a78] netpoll_send_skb+0x378/0x3cc LR [c0b27a78] netpoll_send_skb+0x378/0x3cc Call Trace: [f1033a10] [c0b27a78] netpoll_send_skb+0x378/0x3cc (unreliable) [f1033a50] [c09fe8f4] write_msg+0x198/0x1b4 [f1033a90] [c0105e8c] console_emit_next_record.constprop.0+0x284/0x488 [f1033bc0] [c0106408] console_unlock+0x378/0x420 [f1033c60] [c0108228] vprintk_emit+0x2ec/0x3d4 [f1033ca0] [c0108d84] _printk+0x9c/0xe8 [f1033d20] [c01068c4] register_console+0x39c/0x490 [f1033d50] [c1450410] init_netconsole+0x388/0x518 [f1033df0] [c0007bb8] do_one_initcall+0xb0/0x33c [f1033ec0] [c1404a18] kernel_init_freeable+0x2bc/0x3fc [f1033f10] [c0008128] kernel_init+0x28/0x178 [f1033f30] [c0022338] ret_from_kernel_thread+0x5c/0x64 Instruction dump: 387e0078 99490002 4b80f78d 83fe0078 387f0010 4b80f781 80bf0010 3c60c0f7 38634880 7fc4f378 38630540 4b53bed1 <0fe00000> 92a10014 7d2000a6 71298000 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ raw_local_irq_restore() called with IRQs enabled WARNING: CPU: 1 PID: 1 at kernel/locking/irqflag-debug.c:10 warn_bogus_irq_restore+0x3c/0x60 Modules linked in: CPU: 1 PID: 1 Comm: swapper/0 Tainted: G W T 6.1.0-rc6-PMacG4 #21 Hardware name: PowerMac3,6 7455 0x80010303 PowerMac NIP: c0d654f0 LR: c0d654f0 CTR: 00000000 REGS: f1033940 TRAP: 0700 Tainted: G W T (6.1.0-rc6-PMacG4) MSR: 00029032 <EE,ME,IR,DR,RI> CR: 44002884 XER: 20000000 GPR00: 00000000 f1033a00 c192a5a0 00000000 00000000 00000000 00000000 00000000 GPR08: 00000000 00000000 00000000 00000000 00000000 00000000 00000001 00000000 GPR16: fe20677a c1579b80 00000075 c168f9c8 c168f990 00009032 00001032 c171b280 GPR24: 00000038 c3475404 00001032 c348fe80 c3475404 c3480260 c329c000 00000000 NIP [c0d654f0] warn_bogus_irq_restore+0x3c/0x60 LR [c0d654f0] warn_bogus_irq_restore+0x3c/0x60 Call Trace: [f1033a00] [c0d654f0] warn_bogus_irq_restore+0x3c/0x60 (unreliable) [f1033a10] [c0b278e0] netpoll_send_skb+0x1e0/0x3cc [f1033a50] [c09fe8f4] write_msg+0x198/0x1b4 [f1033a90] [c0105e8c] console_emit_next_record.constprop.0+0x284/0x488 [f1033bc0] [c0106408] console_unlock+0x378/0x420 [f1033c60] [c0108228] vprintk_emit+0x2ec/0x3d4 [f1033ca0] [c0108d84] _printk+0x9c/0xe8 [f1033d20] [c01068c4] register_console+0x39c/0x490 [f1033d50] [c1450410] init_netconsole+0x388/0x518 [f1033df0] [c0007bb8] do_one_initcall+0xb0/0x33c [f1033ec0] [c1404a18] kernel_init_freeable+0x2bc/0x3fc [f1033f10] [c0008128] kernel_init+0x28/0x178 [f1033f30] [c0022338] ret_from_kernel_thread+0x5c/0x64 Instruction dump: 38000000 38600000 39400000 4ca20020 9421fff0 3c60c0da 7c0802a6 39400001 3863aca0 9949bc5c 90010014 4b2fe459 <0fe00000> 80010014 38210010 7c0803a6 ---[ end trace 0000000000000000 ]--- BUG: spinlock wrong CPU on CPU#0, swapper/0/1 lock: 0xc168f840, .magic: dead4ead, .owner: swapper/0/1, .owner_cpu: 1 CPU: 0 PID: 1 Comm: swapper/0 Tainted: G W T 6.1.0-rc6-PMacG4 #21 Hardware name: PowerMac3,6 7455 0x80010303 PowerMac Call Trace: [f1033a20] [c0d1e7e0] dump_stack_lvl+0x60/0xa4 (unreliable) [f1033a40] [c01003ac] do_raw_spin_unlock+0x184/0x188 [f1033a70] [c0d71e08] _raw_spin_unlock_irqrestore+0x18/0x78 [f1033a90] [c0105e8c] console_emit_next_record.constprop.0+0x284/0x488 [f1033bc0] [c0106408] console_unlock+0x378/0x420 [f1033c60] [c0108228] vprintk_emit+0x2ec/0x3d4 [f1033ca0] [c0108d84] _printk+0x9c/0xe8 [f1033d20] [c01068c4] register_console+0x39c/0x490 [f1033d50] [c1450410] init_netconsole+0x388/0x518 [f1033df0] [c0007bb8] do_one_initcall+0xb0/0x33c [f1033ec0] [c1404a18] kernel_init_freeable+0x2bc/0x3fc [f1033f10] [c0008128] kernel_init+0x28/0x178 [f1033f30] [c0022338] ret_from_kernel_thread+0x5c/0x64 netconsole: network logging started [...]