From mboxrd@z Thu Jan 1 00:00:00 1970 From: Helge Deller Subject: Re: [RFT] irq changes (was Re: [git] parisc: Changes to ref refs/heads/parisc) Date: Sat, 20 Nov 2010 23:01:32 +0100 Message-ID: <4CE8453C.5020106@gmx.de> References: <201010140531.o9E5VRYK010123@hera.kernel.org> <20101014153931.GI24144@bombadil.infradead.org> <4CE04DCF.7040306@gmx.de> <20101115195606.GA8332@bombadil.infradead.org> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Cc: linux-parisc@vger.kernel.org To: Kyle McMartin Return-path: In-Reply-To: <20101115195606.GA8332@bombadil.infradead.org> List-ID: List-Id: linux-parisc.vger.kernel.org On 11/15/2010 08:56 PM, Kyle McMartin wrote: > On Sun, Nov 14, 2010 at 09:59:59PM +0100, Helge Deller wrote: >> I just got again a chance to boot up my b160L and 715/64 machines. >> >> Both broke due to the IRQ changes. I did reverted all of your IRQ >> patches (based on current Linus head branch) and now they boot >> again. >> Basically they just hang during the SCSI initialization (timeouts >> while detectings discs). >> >> So, there is something wrong for Lasi/GSC and Dino busses.... >> >> Any idea? >> > No, but I'll take a look, it's probably something simple and stupid that > I missed. :/ I tried to look into it, but I'm somewhat lost. This is what I get on my B160L. Same result btw on the 715/64. Booting... Network Station Address 080009-ef34f5 System IP Address 192.168.178.65 Server IP Address 192.168.178.50 Boot IO Dependent Code (IODC) revision 2 HARD Booted. palo ipl 1.13 root@c3000 Mon Apr 3 23:30:38 CEST 2006 Boot image contains: 0/vmlinux32 7688520 bytes @ 0x9800 Information: No console specified on kernel command line. This is normal. PALO will choose the console currently used by firmware (serial). Command line for kernel: 'HOME=/ root=/dev/sda3 ip=bootp panic_timeout=60 console=ttyS0 TERM=vt102 palo_kernel=' Selected kernel: /vmlinux from partition 0 Warning: kernel name doesn't end with 32 or 64 -- Guessing... Choosing 32-bit kernelELF32 executable Entry 00100000 first 00100000 n 2 Segment 0 load 00100000 size 6172672 mediaptr 0x1000 Segment 1 load 0072c000 size 311016 mediaptr 0x5e4000 Branching to kernel entry point 0x00100000. If this is the last message you see, you may need to switch your console. This is a common symptom -- search the FAQ and mailing list at parisc-linux.org Linux version 2.6.37-rc2-32bit+ (deller@p100.box) (gcc version 4.4.1 (GCC) ) #282 Sat Nov 20 22:32:27 CET 2010 unwind_init: start = 0x10640000, end = 0x1067f610, entries = 16225 FP[0] enabled: Rev 1 Model 15 The 32-bit Kernel has started... bootconsole [ttyB0] enabled Initialized PDC Console for debugging. Determining PDC firmware type: System Map. model 00005020 00000481 00000000 02020202 7794d7fe 100000f0 00000004 000000ba 000000ba vers 00000008 CPUID vers 15 rev 8 (0x000001e8) capabilities 0x2 model 9000/778/B160L Total Memory: 128 MB LED display at f0190001 registered pcpu-alloc: s0 r0 d32768 u32768 alloc=1*32768 pcpu-alloc: [0] 0 Built 1 zonelists in Zone order, mobility grouping on. Total pages: 32512 Kernel command line: HOME=/ root=/dev/sda3 pa64root=sda5 ip=bootp panic_timeout=60 console=ttyS0 TERM=vt102 palo_kernel=0/vmlx PID hash table entries: 512 (order: -1, 2048 bytes) Dentry cache hash table entries: 16384 (order: 4, 65536 bytes) Inode-cache hash table entries: 8192 (order: 3, 32768 bytes) Memory: 123100k/131072k available (4152k kernel code, 7972k reserved, 1851k data, 304k init) virtual kernel memory layout: vmalloc : 0x00810000 - 0x0f000000 ( 231 MB) memory : 0x10000000 - 0x18000000 ( 128 MB) .init : 0x1072c000 - 0x10778000 ( 304 kB) .data : 0x1050e3a0 - 0x106dd170 (1851 kB) .text : 0x10100000 - 0x1050e3a0 (4152 kB) NR_IRQS:96 Console: colour dummy device 128x48 Calibrating delay loop... 106.08 BogoMIPS (lpj=530432) pid_max: default: 32768 minimum: 301 Mount-cache hash table entries: 512 xor: measuring software checksum speed 8regs : 131.200 MB/sec 8regs_prefetch: 130.800 MB/sec 32regs : 198.800 MB/sec 32regs_prefetch: 198.400 MB/sec xor: using function: 32regs (198.800 MB/sec) atomic64 test passed NET: Registered protocol family 16 EISA bus registered Searching for devices... Found devices: 1. Phantom PseudoBC GSC+ Port at 0xffc00000 [8] { 7, 0x0, 0x504, 0x00000 } 2. Dino PCI Bridge at 0xfff80000 [8/0] { 13, 0x3, 0x680, 0x0000a } 3. Merlin+ 132 Dino RS-232 at 0xfff83000 [8/0/63] { 10, 0x0, 0x022, 0x0008c } 4. Merlin 160 Core FW-SCSI at 0xfff8c000 [8/12] { 4, 0x0, 0x03d, 0x00089 } 5. Merlin 160 Core BA at 0xffd00000 [8/16] { 11, 0x0, 0x03d, 0x00081 }, additional addresses: 0xffd0c000 0xffc00000 6. Merlin 160 Core RS-232 at 0xffd05000 [8/16/4] { 10, 0x0, 0x03d, 0x0008c } 7. Merlin 160 Core SCSI at 0xffd06000 [8/16/5] { 10, 0x0, 0x03d, 0x00082 } 8. Merlin 160 Core LAN (802.3) at 0xffd07000 [8/16/6] { 10, 0x0, 0x03d, 0x0008a } 9. Merlin 160 Core Centronics at 0xffd02000 [8/16/0] { 10, 0x0, 0x03d, 0x00074 }, additional addresses: 0xffd01000 0xffd03000 10. Merlin 160 Core Audio at 0xffd04000 [8/16/1] { 10, 0x4, 0x03d, 0x0007b } 11. Merlin 160 Core PS/2 Port at 0xffd08000 [8/16/7] { 10, 0x0, 0x03d, 0x00084 } 12. Merlin 160 Core PS/2 Port at 0xffd08100 [8/16/8] { 10, 0x0, 0x03d, 0x00084 } 13. Coral SGC Graphics at 0xfa000000 [8/4] { 10, 0x0, 0x004, 0x00077 } 14. Coral SGC Graphics at 0xf4000000 [8/8] { 10, 0x0, 0x004, 0x00077 } 15. Gecko GSC Core Graphics at 0xf8000000 [8/24] { 10, 0x0, 0x016, 0x00085 }, additional addresses: 0xf0011000 16. Merlin L2 160 (9000/778/B160L) at 0xfffbe000 [62] { 0, 0x0, 0x502, 0x00004 } 17. Memory at 0xfffbf000 [63] { 1, 0x0, 0x067, 0x00009 } 18. Merlin+ 132 Dino PS/2 Port at 0xfff81000 [1] { 10, 0x0, 0x022, 0x00096 } CPU(s): 1 x PA7300LC (PCX-L2) at 160.000000 MHz Setting cache flush threshold to ac0 (1 CPUs online) Lasi version 0 at 0xffd00000 found. Dino version 3.1 found at 0xfff80000 Dino: No PCI devices enabled. powersw: Soft power switch at 0xf0140000 enabled. bio: create slab at 0 raid6: int32x1 59 MB/s raid6: int32x2 76 MB/s raid6: int32x4 86 MB/s raid6: int32x8 58 MB/s raid6: using algorithm int32x4 (86 MB/s) vgaarb: loaded SCSI subsystem initialized usbcore: registered new interface driver usbfs usbcore: registered new interface driver hub usbcore: registered new device driver usb Switching to clocksource cr16 NET: Registered protocol family 2 IP route cache hash table entries: 1024 (order: 0, 4096 bytes) TCP established hash table entries: 4096 (order: 3, 32768 bytes) TCP bind hash table entries: 4096 (order: 4, 81920 bytes) TCP: Hash tables configured (established 4096 bind 4096) TCP reno registered UDP hash table entries: 128 (order: 0, 6144 bytes) UDP-Lite hash table entries: 128 (order: 0, 6144 bytes) NET: Registered protocol family 1 RPC: Registered udp transport module. RPC: Registered tcp transport module. RPC: Registered tcp NFSv4.1 backchannel transport module. Enabling PDC chassis warnings support v0.05 Initializing RT-Tester: OK ====[ backtrace testing ]=========== Testing a backtrace from process context. The following trace is a kernel self test and not a bug! Backtrace: [<10118558>] show_stack+0x18/0x28 [<10111544>] dump_stack+0x1c/0x2c [<101732c8>] backtrace_regression_test+0x50/0x128 [<10116454>] do_one_initcall+0x6c/0x2b8 [<1072d850>] kernel_init+0xe0/0x184 [<10102c5c>] ret_from_kernel_thread+0x1c/0x24 Testing a backtrace from irq context. The following trace is a kernel self test and not a bug! Backtrace: [<10118558>] show_stack+0x18/0x28 [<10111544>] dump_stack+0x1c/0x2c [<10173258>] backtrace_test_irq_callback+0x18/0x38 [<101403b4>] tasklet_action+0xbc/0xdc [<10140cfc>] __do_softirq+0xd8/0x1a4 [<1011527c>] do_softirq+0x3c/0x60 [<10140e54>] run_ksoftirqd+0x8c/0x138 [<10157238>] kthread+0xa4/0xac [<10102c5c>] ret_from_kernel_thread+0x1c/0x24 Testing a saved backtrace. The following trace is a kernel self test and not a bug! [<10121eb4>] save_stack_trace+0x28/0x60 [<10173368>] backtrace_regression_test+0xf0/0x128 [<10116454>] do_one_initcall+0x6c/0x2b8 [<1072d850>] kernel_init+0xe0/0x184 [<10102c5c>] ret_from_kernel_thread+0x1c/0x24 [] 0xffffffff ====[ end of backtrace testing ]==== VFS: Disk quotas dquot_6.5.2 Dquot-cache hash table entries: 1024 (order 0, 4096 bytes) Installing knfsd (copyright (C) 1996 okir@monad.swb.de). msgmni has been set to 240 io scheduler noop registered io scheduler deadline registered io scheduler cfq registered (default) PDC Stable Storage facility v0.30 STI GSC/PCI core graphics driver Version 0.9a id 2bcb015a-9a02587, conforms to spec rev. 8.04 graphics card name: HPA4071B id 2d08c0a7-9a02587, conforms to spec rev. 8.07 graphics card name: HPA4450AX1024 id 2d08c0a7-9a02587, conforms to spec rev. 8.07 graphics card name: INTERNAL_EG_X1024 sticon: Initializing STI text console. Console: switching to colour STI console 160x64 Console: switching to colour frame buffer device 160x64 fb0: stifb 1280x1024-32 frame buffer device, HPA4071B, id: 2bcb015a, mmio: 0xfa100000 fb1: stifb 1024x768-8 frame buffer device, HPA4450AX1024, id: 2d08c0a7, mmio: 0xf4100000 fb2: stifb 1024x768-8 frame buffer device, INTERNAL_EG_X1024, id: 2d08c0a7, mmio: 0xf8100000 Linux agpgart interface v0.103 Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled 8:16:4: ttyS0 at MMIO 0xffd05800 (irq = 16) is a 16550A console [ttyS0] enabled, bootconsole disabled console [ttyS0] enabled, bootconsole disabled 8:0:63: ttyS1 at MMIO 0xfff83800 (irq = 22) is a 16550A parport_init_chip: initialize bidirectional-mode. parport0: PC-style at 0xffd02800, irq 19 [PCSPP,TRISTATE] parport0: fix this legacy no-device port driver! brd: module loaded loop: module loaded Uniform Multi-Platform E-IDE driver ide-gd driver 1.18 ide-cd driver 5.00 zalon_probe: Zalon version 1, IRQ 67 ncr53c720-0: rev 0xf irq 67 ncr53c720-0: ID 7, Fast-10, Parity Checking, Differential scsi0 : ncr53c8xx-3.4.3g ------------ HERE it starts "hanging" (output is very slow) -------------- - It seems the zalon/720 driver is not getting any interrupts. zalon seems to use the GSC chip. - -------------------------------------------------------------------------- scsi 0:0:1:0: Device offlined - not ready after error recovery scsi 0:0:2:0: Device offlined - not ready after error recovery scsi 0:0:3:0: Device offlined - not ready after error recovery scsi 0:0:4:0: Device offlined - not ready after error recovery scsi 0:0:5:0: Device offlined - not ready after error recovery scsi 0:0:6:0: Device offlined - not ready after error recovery scsi 0:0:8:0: Device offlined - not ready after error recovery scsi 0:0:9:0: Device offlined - not ready after error recovery scsi 0:0:10:0: Device offlined - not ready after error recovery scsi 0:0:11:0: Device offlined - not ready after error recovery scsi 0:0:12:0: Device offlined - not ready after error recovery scsi 0:0:13:0: Device offlined - not ready after error recovery scsi 0:0:14:0: Device offlined - not ready after error recovery scsi 0:0:15:0: Device offlined - not ready after error recovery 53c700: Version 2.8 By James.Bottomley@HansenPartnership.com scsi1: 53c710 rev 2 scsi1 : LASI SCSI 53c700 scsi 1:0:1:0: New error handler wants to abort command scsi 1:0:1:0: CDB: cdb[0]=0x12: 12 00 00 00 24 00 scsi 1:0:1:0: New error handler wants BUS reset, cmd 17e35ee0 scsi 1:0:1:0: CDB: cdb[0]=0x12: 12 00 00 00 24 00 INFO: task scsi_eh_1:544 blocked for more than 120 seconds. "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. scsi_eh_1 D 10102d30 0 544 2 0x00000000 Backtrace: [<10111ffc>] schedule+0x288/0x510 [<101125f4>] schedule_timeout+0x1a0/0x1fc [<10111bac>] wait_for_common+0xdc/0x188 [<10111d64>] wait_for_completion+0x1c/0x2c [<1039e128>] NCR_700_bus_reset+0x104/0x180 [<1037ad70>] scsi_try_bus_reset+0x38/0x138 [<1037c44c>] scsi_eh_ready_devs+0x498/0x6b8 [<1037cbfc>] scsi_error_handler+0x43c/0x44c [<10157238>] kthread+0xa4/0xac [<10102c5c>] ret_from_kernel_thread+0x1c/0x24 and so on...