From: John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de>
To: Arnd Bergmann <arnd@kernel.org>, linux-kernel@vger.kernel.org
Cc: Thomas Gleixner <tglx@linutronix.de>,
Arnd Bergmann <arnd@arndb.de>,
Russell King <linux@armlinux.org.uk>,
Tony Luck <tony.luck@intel.com>,
Fenghua Yu <fenghua.yu@intel.com>,
Greg Ungerer <gerg@linux-m68k.org>,
Finn Thain <fthain@telegraphics.com.au>,
Philip Blundell <philb@gnu.org>,
Joshua Thompson <funaho@jurai.org>, Sam Creasey <sammy@sammy.net>,
"James E.J. Bottomley" <James.Bottomley@hansenpartnership.com>,
Helge Deller <deller@gmx.de>,
Daniel Lezcano <daniel.lezcano@linaro.org>,
John Stultz <john.stultz@linaro.org>,
Stephen Boyd <sboyd@kernel.org>,
Linus Walleij <linus.walleij@linaro.org>,
linux-ia64@vger.kernel.org,
Parisc List <linux-parisc@vger.kernel.org>,
linux-m68k <linux-m68k@lists.linux-m68k.org>,
Linux ARM <linux-arm-kernel@lists.infradead.org>,
Mike Rapoport <rppt@linux.ibm.com>,
Anatoly Pugachev <matorola@gmail.com>
Subject: Re: [PATCH v2 05/15] ia64: convert to legacy_timer_tick
Date: Fri, 18 Dec 2020 22:29:45 +0100 [thread overview]
Message-ID: <59efce0e-a28d-9424-82ca-fb7f3a1b9c29@physik.fu-berlin.de> (raw)
In-Reply-To: <20201030151758.1241164-6-arnd@kernel.org>
Hi Arnd!
On 10/30/20 4:17 PM, Arnd Bergmann wrote:
> ia64 is the only architecture that calls xtime_update() in a loop,
> once for each jiffie that has passed since the last event.
>
> Before commit 3171a0305d62 ("[PATCH] simplify update_times (avoid
> jiffies/jiffies_64 aliasing problem)") in 2006, it could not actually do
> this any differently, but now it seems simpler to just pass the number
> of jiffies that passed in the meantime.
>
> While this loses the ability process interrupts in the middle of
> the timer tick by calling local_irq_enable(), doing so is fairly
> peculiar anyway and it seems better to just do what everyone
> else does here.
This broke the hpsa block device driver on my HP RX2600.
I'm seeing this backtrace now:
[ 905.883273] usb 1-2: SerialNumber: A60020000001
[ 905.918170] sda: sda1 sda2 sda3
[ 905.920107] sd 0:1:0:0: [sda] Attached SCSI disk
[ 905.944102] usb-storage 1-2:1.0: USB Mass Storage device detected
[ 905.944102] scsi host1: usb-storage 1-2:1.0
[ 905.944102] usbcore: registered new interface driver usb-storage
[ 905.944117] usbcore: registered new interface driver uas
[ 905.948117] scsi 1:0:0:0: CD-ROM TEAC DV-W28EAW H.0C PQ: 0 ANSI: 0
[ 905.952013] usb 2-1: new full-speed USB device number 2 using ohci-pci
[ 905.956102] sr 1:0:0:0: Power-on or device reset occurred
[ 905.968107] sr 1:0:0:0: [sr0] scsi3-mmc drive: 24x/24x writer cd/rw xa/form2 cdda tray
[ 905.968107] cdrom: Uniform CD-ROM driver Revision: 3.20
[ 906.028013] ioc0: LSISAS1068 B0: Capabilities={Initiator}
[ 906.028110] tg3 0000:01:02.0 eth0: Tigon3 [partno(BCM95700A6) rev 2100] (PCIX:66MHz:64-bit) MAC address 00:17:a4:99:2d:09
[ 906.026167] usb 2-1: New USB device found, idVendor=03f0, idProduct=1126, bcdDevice= 0.01
[ 906.028110] tg3 0000:01:02.0 eth0: attached PHY is 5704 (10/100/1000Base-T Ethernet) (WireSpeed[1], EEE[0])
[ 906.028110] tg3 0000:01:02.0 eth0: RXcsums[1] LinkChgREG[0] MIirq[0] ASF[0] TSOcap[1]
[ 906.030214] usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=63
[ 906.032240] tg3 0000:01:02.0 eth0: dma_rwctrl[769f0000] dma_mask[64-bit]
[ 906.036102] GSI 30 (level, low) -> CPU 2 (0x0200) vector 67
[ 906.034186] usb 2-1: Product: Virtual Management Device
[ 906.038235] usb 2-1: Manufacturer: HP
[ 906.040017] usb 2-1: SerialNumber: 0017a499dd1c
[ 906.056108] hid: raw HID events driver (C) Jiri Kosina
[ 906.080013] usbcore: registered new interface driver usbhid
[ 906.080013] usbhid: USB HID core driver
[ 906.080107] input: HP Virtual Management Device as /devices/pci0000:00/0000:00:02.0/usb2/2-1/2-1:1.0/0003:03F0:1126.0001/input/input2
[ 906.088110] hid-generic 0003:03F0:1126.0001: input,hidraw0: USB HID v1.11 Keyboard [HP Virtual Management Device] on usb-0000:00:02.0-1/input0
[ 906.088110] input: HP Virtual Management Device as /devices/pci0000:00/0000:00:02.0/usb2/2-1/2-1:1.1/0003:03F0:1126.0002/input/input3
[ 906.092110] hid-generic 0003:03F0:1126.0002: input,hidraw1: USB HID v1.01 Mouse [HP Virtual Management Device] on usb-0000:00:02.0-1/input1
[ 906.104104] hpsa 0000:05:00.0: scsi 0:1:0:0: resetting logical Direct-Access HP LOGICAL VOLUME RAID-0 SSDSmartPathCap- En- Exp=1
[ 906.108288] hpsa 0000:05:00.0: device is ready.
[ 906.108288] hpsa 0000:05:00.0: scsi 0:1:0:0: reset logical completed successfully Direct-Access HP LOGICAL VOLUME RAID-0 SSDSmartPathCap- En- Exp=1
[ 906.152107] hpsa 0000:05:00.0: scsi 0:1:0:0: resetting logical Direct-Access HP LOGICAL VOLUME RAID-0 SSDSmartPathCap- En- Exp=1
[ 906.170926] hpsa 0000:05:00.0: device is ready.
[ 906.170926] hpsa 0000:05:00.0: scsi 0:1:0:0: reset logical completed successfully Direct-Access HP LOGICAL VOLUME RAID-0 SSDSmartPathCap- En- Exp=1
[ 906.218925] hpsa 0000:05:00.0: scsi 0:1:0:0: resetting logical Direct-Access HP LOGICAL VOLUME RAID-0 SSDSmartPathCap- En- Exp=1
[ 906.222925] hpsa 0000:05:00.0: device is ready.
[ 906.222925] hpsa 0000:05:00.0: scsi 0:1:0:0: reset logical completed successfully Direct-Access HP LOGICAL VOLUME RAID-0 SSDSmartPathCap- En- Exp=1
[ 906.266926] hpsa 0000:05:00.0: scsi 0:1:0:0: resetting logical Direct-Access HP LOGICAL VOLUME RAID-0 SSDSmartPathCap- En- Exp=1
[ 906.272016] hpsa 0000:05:00.0: device is ready.
[ 906.272016] hpsa 0000:05:00.0: scsi 0:1:0:0: reset logical completed successfully Direct-Access HP LOGICAL VOLUME RAID-0 SSDSmartPathCap- En- Exp=1
[ 906.272107] scsi host2: ioc0: LSISAS1068 B0, FwRev=010f0000h, Ports=1, MaxQ=511, IRQ=62
[ 906.324110] hpsa 0000:05:00.0: scsi 0:1:0:0: resetting logical Direct-Access HP LOGICAL VOLUME RAID-0 SSDSmartPathCap- En- Exp=1
[ 906.330925] hpsa 0000:05:00.0: device is ready.
[ 906.330925] hpsa 0000:05:00.0: scsi 0:1:0:0: reset logical completed successfully Direct-Access HP LOGICAL VOLUME RAID-0 SSDSmartPathCap- En- Exp=1
[ 906.378925] hpsa 0000:05:00.0: scsi 0:1:0:0: resetting logical Direct-Access HP LOGICAL VOLUME RAID-0 SSDSmartPathCap- En- Exp=1
[ 906.382926] hpsa 0000:05:00.0: device is ready.
[ 906.382926] hpsa 0000:05:00.0: scsi 0:1:0:0: reset logical completed successfully Direct-Access HP LOGICAL VOLUME RAID-0 SSDSmartPathCap- En- Exp=1
[ 906.386926] tg3 0000:01:02.1 eth1: Tigon3 [partno(BCM95700A6) rev 2100] (PCIX:66MHz:64-bit) MAC address 00:17:a4:99:2d:08
[ 906.386926] tg3 0000:01:02.1 eth1: attached PHY is 5704 (10/100/1000Base-T Ethernet) (WireSpeed[1], EEE[0])
[ 906.388016] tg3 0000:01:02.1 eth1: RXcsums[1] LinkChgREG[0] MIirq[0] ASF[0] TSOcap[1]
[ 906.388016] tg3 0000:01:02.1 eth1: dma_rwctrl[769f0000] dma_mask[64-bit]
[ 906.396108] tg3 0000:01:02.1 enp1s2f1: renamed from eth1
[ 906.408107] tg3 0000:01:02.0 enp1s2f0: renamed from eth0
Begin: Loading essential drivers ... done.
Begin: Running /scripts/init-premount ... done.
Begin: Mounting root file system ... Begin: Running /scripts/local-top ... done.
Begin: Running /scripts/local-premount ... done.
Begin: Will now check root file system ... fsck from util-linux 2.36
[/sbin/fsck.ext4 (1) -- /dev/sda2] fsck.ext4 -a -C0 /dev/sda2
/dev/sda2: clean, 317994/2068416 files, 6480495/8257536 blocks
[ 906.666923] hpsa 0000:05:00.0: scsi 0:1:0:0: resetting logical Direct-Access HP LOGICAL VOLUME RAID-0 SSDSmartPathCap- En- Exp=1
[ 906.670923] hpsa 0000:05:00.0: device is ready.
[ 906.670923] hpsa 0000:05:00.0: scsi 0:1:0:0: reset logical completed successfully Direct-Access HP LOGICAL VOLUME RAID-0 SSDSmartPathCap- En- Exp=1
done.
[ 906.722166] rcu: INFO: rcu_sched detected stalls on CPUs/tasks:
[ 906.722166] rcu: 2-....: (3 ticks this GP) idle=fe6/1/0x4000000000000000 softirq=693/698 fqs=4
[ 906.722166] (detected by 0, t=6115 jiffies, g=465, q=80)
[ 906.722166] Task dump for CPU 2:
[ 906.722166] task:modprobe state:R running task stack: 0 pid: 162 ppid: 146 flags:0x00000002
[ 906.722166]
[ 906.722166] Call Trace:
[ 906.722166] [<0000000000000fd6>] 0xfd6
[ 906.722166] sp=e000010046d27c70 bsp=e000010046d20e80
[ 906.782168] rcu: INFO: rcu_sched detected stalls on CPUs/tasks:
[ 906.782168] rcu: 2-....: (18 ticks this GP) idle=fe6/1/0x4000000000000000 softirq=693/698 fqs=18
[ 906.782168] (detected by 0, t=22157 jiffies, g=465, q=80)
[ 906.782168] Task dump for CPU 2:
[ 906.782168] task:modprobe state:R running task stack: 0 pid: 162 ppid: 146 flags:0x00000002
[ 906.782168]
[ 906.782168] Call Trace:
[ 906.782168] [<0000001d00000065>] 0x1d00000065
[ 906.782168] sp=e000010046d27c70 bsp=e000010046d20d48
[ 906.844107] EXT4-fs (sda2): mounted filesystem with ordered data mode. Opts: (null)
done.
Begin: Running /scripts/local-bottom ... done.
Begin: Running /scripts/init-bottom ... done.
[ 906.978917] Not activating Mandatory Access Control as /sbin/tomoyo-init does not exist.
[ 907.726923] hpsa 0000:05:00.0: scsi 0:1:0:0: resetting logical Direct-Access HP LOGICAL VOLUME RAID-0 SSDSmartPathCap- En- Exp=1
[ 907.734923] hpsa 0000:05:00.0: device is ready.
[ 907.734923] hpsa 0000:05:00.0: scsi 0:1:0:0: reset logical completed successfully Direct-Access HP LOGICAL VOLUME RAID-0 SSDSmartPathCap- En- Exp=1
[ 907.790923] hpsa 0000:05:00.0: scsi 0:1:0:0: resetting logical Direct-Access HP LOGICAL VOLUME RAID-0 SSDSmartPathCap- En- Exp=1
[ 907.802923] hpsa 0000:05:00.0: device is ready.
[ 907.802923] hpsa 0000:05:00.0: scsi 0:1:0:0: reset logical completed successfully Direct-Access HP LOGICAL VOLUME RAID-0 SSDSmartPathCap- En- Exp=1
[ 907.860014] hpsa 0000:05:00.0: scsi 0:1:0:0: resetting logical Direct-Access HP LOGICAL VOLUME RAID-0 SSDSmartPathCap- En- Exp=1
[ 907.886923] hpsa 0000:05:00.0: device is ready.
[ 907.886923] hpsa 0000:05:00.0: scsi 0:1:0:0: reset logical completed successfully Direct-Access HP LOGICAL VOLUME RAID-0 SSDSmartPathCap- En- Exp=1
[ 907.930923] hpsa 0000:05:00.0: scsi 0:1:0:0: resetting logical Direct-Access HP LOGICAL VOLUME RAID-0 SSDSmartPathCap- En- Exp=1
[ 907.942923] hpsa 0000:05:00.0: device is ready.
[ 907.942923] hpsa 0000:05:00.0: scsi 0:1:0:0: reset logical completed successfully Direct-Access HP LOGICAL VOLUME RAID-0 SSDSmartPathCap- En- Exp=1
[ 907.976107] hpsa 0000:05:00.0: scsi 0:1:0:0: resetting logical Direct-Access HP LOGICAL VOLUME RAID-0 SSDSmartPathCap- En- Exp=1
[ 907.982923] hpsa 0000:05:00.0: device is ready.
[ 907.982923] hpsa 0000:05:00.0: scsi 0:1:0:0: reset logical completed successfully Direct-Access HP LOGICAL VOLUME RAID-0 SSDSmartPathCap- En- Exp=1
[ 908.106923] hpsa 0000:05:00.0: scsi 0:1:0:0: resetting logical Direct-Access HP LOGICAL VOLUME RAID-0 SSDSmartPathCap- En- Exp=1
[ 908.110923] hpsa 0000:05:00.0: device is ready.
[ 908.110923] hpsa 0000:05:00.0: scsi 0:1:0:0: reset logical completed successfully Direct-Access HP LOGICAL VOLUME RAID-0 SSDSmartPathCap- En- Exp=1
[ 908.256014] hpsa 0000:05:00.0: scsi 0:1:0:0: resetting logical Direct-Access HP LOGICAL VOLUME RAID-0 SSDSmartPathCap- En- Exp=1
[ 908.258922] hpsa 0000:05:00.0: device is ready.
[ 908.258922] hpsa 0000:05:00.0: scsi 0:1:0:0: reset logical completed successfully Direct-Access HP LOGICAL VOLUME RAID-0 SSDSmartPathCap- En- Exp=1
[ 908.428014] hpsa 0000:05:00.0: scsi 0:1:0:0: resetting logical Direct-Access HP LOGICAL VOLUME RAID-0 SSDSmartPathCap- En- Exp=1
[ 908.434923] hpsa 0000:05:00.0: device is ready.
[ 908.434923] hpsa 0000:05:00.0: scsi 0:1:0:0: reset logical completed successfully Direct-Access HP LOGICAL VOLUME RAID-0 SSDSmartPathCap- En- Exp=1
[ 908.710922] hpsa 0000:05:00.0: scsi 0:1:0:0: resetting logical Direct-Access HP LOGICAL VOLUME RAID-0 SSDSmartPathCap- En- Exp=1
[ 908.714922] hpsa 0000:05:00.0: device is ready.
[ 908.714922] hpsa 0000:05:00.0: scsi 0:1:0:0: reset logical completed successfully Direct-Access HP LOGICAL VOLUME RAID-0 SSDSmartPathCap- En- Exp=1
[ 908.754922] hpsa 0000:05:00.0: scsi 0:1:0:0: resetting logical Direct-Access HP LOGICAL VOLUME RAID-0 SSDSmartPathCap- En- Exp=1
[ 908.758922] hpsa 0000:05:00.0: device is ready.
[ 908.758922] hpsa 0000:05:00.0: scsi 0:1:0:0: reset logical completed successfully Direct-Access HP LOGICAL VOLUME RAID-0 SSDSmartPathCap- En- Exp=1
[ 908.788106] systemd[1]: Inserted module 'autofs4'
[ 908.972107] systemd[1]: systemd 246.6-5 running in system mode. (+PAM +AUDIT +SELINUX +IMA +APPARMOR +SMACK +SYSVINIT +UTMP +LIBCRYPTSETUP +GCRYPT +GNUTLS +ACL +XZ +LZ4 +ZSTD -SECCOMP +BLKID +ELFUTILS +KMOD +IDN2 -IDN +PCRE2 default-hierarchy=hybrid)
[ 908.976013] systemd[1]: Detected architecture ia64.
Welcome to Debian GNU/Linux bullseye/sid!
[ 909.020014] systemd[1]: Set hostname to <glendronach>.
[ 909.178923] hpsa 0000:05:00.0: scsi 0:1:0:0: resetting logical Direct-Access HP LOGICAL VOLUME RAID-0 SSDSmartPathCap- En- Exp=1
[ 909.182922] hpsa 0000:05:00.0: device is ready.
[ 909.182922] hpsa 0000:05:00.0: scsi 0:1:0:0: reset logical completed successfully Direct-Access HP LOGICAL VOLUME RAID-0 SSDSmartPathCap- En- Exp=1
[ 909.242922] hpsa 0000:05:00.0: scsi 0:1:0:0: resetting logical Direct-Access HP LOGICAL VOLUME RAID-0 SSDSmartPathCap- En- Exp=1
[ 909.254922] hpsa 0000:05:00.0: device is ready.
[ 909.254922] hpsa 0000:05:00.0: scsi 0:1:0:0: reset logical completed successfully Direct-Access HP LOGICAL VOLUME RAID-0 SSDSmartPathCap- En- Exp=1
[ 909.322922] hpsa 0000:05:00.0: scsi 0:1:0:0: resetting logical Direct-Access HP LOGICAL VOLUME RAID-0 SSDSmartPathCap- En- Exp=1
[ 909.334922] hpsa 0000:05:00.0: device is ready.
[ 909.334922] hpsa 0000:05:00.0: scsi 0:1:0:0: reset logical completed successfully Direct-Access HP LOGICAL VOLUME RAID-0 SSDSmartPathCap- En- Exp=1
[ 909.360108] INFO: task systemd-sysv-ge:200 blocked for more than 127 seconds.
[ 909.360108] Not tainted 5.10.0+ #130
[ 909.360108] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 909.360108] task:systemd-sysv-ge state:D stack: 0 pid: 200 ppid: 189 flags:0x00000000
[ 909.364108]
[ 909.364108] Call Trace:
[ 909.364423] [<a00000010109b210>] __schedule+0x890/0x21e0
[ 909.364423] sp=e0000100487d7b70 bsp=e0000100487d1748
[ 909.368423] [<a00000010109cc00>] schedule+0xa0/0x240
[ 909.368423] sp=e0000100487d7b90 bsp=e0000100487d16e0
[ 909.368558] [<a00000010109ce70>] io_schedule+0x70/0xa0
[ 909.368558] sp=e0000100487d7b90 bsp=e0000100487d16c0
[ 909.372290] [<a00000010109e1c0>] bit_wait_io+0x20/0xe0
[ 909.372290] sp=e0000100487d7b90 bsp=e0000100487d1698
[ 909.374168] rcu: INFO: rcu_sched detected stalls on CPUs/tasks:
[ 909.376290] [<a00000010109d860>] __wait_on_bit+0xc0/0x1c0
[ 909.376290] sp=e0000100487d7b90 bsp=e0000100487d1648
[ 909.374168] rcu: 3-....: (2 ticks this GP) idle=19e/1/0x4000000000000002 softirq=1581/1581 fqs=2
[ 909.374168] (detected by 0, t=5661 jiffies, g=1089, q=3)
[ 909.376290] [<a00000010109da80>] out_of_line_wait_on_bit+0x120/0x140
[ 909.376290] sp=e0000100487d7b90 bsp=e0000100487d1610
[ 909.374168] Task dump for CPU 3:
[ 909.374168] task:khungtaskd state:R running task
Adrian
--
.''`. John Paul Adrian Glaubitz
: :' : Debian Developer - glaubitz@debian.org
`. `' Freie Universitaet Berlin - glaubitz@physik.fu-berlin.de
`- GPG: 62FF 8A75 84E0 2956 9546 0006 7426 3B37 F5B5 F913
next prev parent reply other threads:[~2020-12-18 21:30 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-10-30 15:17 [PATCH v2 00/15] timers: clean up ARCH_GETTIMEOFFSET, LEGACY_TIMER_TICK Arnd Bergmann
2020-10-30 15:17 ` [PATCH v2 01/15] ARM: remove ebsa110 platform Arnd Bergmann
2020-10-30 15:17 ` [PATCH v2 02/15] net: remove am79c961a driver Arnd Bergmann
2020-10-30 15:17 ` [PATCH v2 03/15] timekeeping: remove arch_gettimeoffset Arnd Bergmann
2020-10-30 15:17 ` [PATCH v2 04/15] timekeeping: add CONFIG_LEGACY_TIMER_TICK Arnd Bergmann
2020-10-30 15:17 ` [PATCH v2 05/15] ia64: convert to legacy_timer_tick Arnd Bergmann
2020-12-18 21:29 ` John Paul Adrian Glaubitz [this message]
2020-12-18 22:07 ` Arnd Bergmann
2020-12-18 22:13 ` John Paul Adrian Glaubitz
2020-12-18 22:32 ` John Paul Adrian Glaubitz
2020-10-30 15:17 ` [PATCH v2 06/15] ARM: rpc: use legacy_timer_tick Arnd Bergmann
2020-10-30 15:17 ` [PATCH v2 07/15] parisc: " Arnd Bergmann
2020-10-30 17:13 ` Helge Deller
2020-10-30 19:33 ` Arnd Bergmann
2020-10-30 19:48 ` Helge Deller
2020-10-30 20:37 ` Arnd Bergmann
2020-10-30 15:17 ` [PATCH v2 08/15] m68k: coldfire: use legacy_timer_tick() Arnd Bergmann
2020-10-30 15:17 ` [PATCH v2 09/15] m68k: split heartbeat out of timer function Arnd Bergmann
2020-10-30 15:17 ` [PATCH v2 10/15] m68k: sun3/sun3c: use legacy_timer_tick Arnd Bergmann
2020-10-30 15:17 ` [PATCH v2 11/15] m68k: m68328: use legacy_timer_tick() Arnd Bergmann
2020-10-30 15:17 ` [PATCH v2 12/15] m68k: change remaining timers to legacy_timer_tick Arnd Bergmann
2020-10-30 15:17 ` [PATCH v2 13/15] m68k: remove timer_interrupt() function Arnd Bergmann
2020-10-30 15:17 ` [PATCH v2 14/15] timekeeping: remove xtime_update Arnd Bergmann
2020-10-30 15:17 ` [PATCH v2 15/15] timekeeping: default GENERIC_CLOCKEVENTS to enabled Arnd Bergmann
2020-11-01 3:43 ` [PATCH v2 00/15] timers: clean up ARCH_GETTIMEOFFSET, LEGACY_TIMER_TICK Finn Thain
2020-11-01 9:53 ` Arnd Bergmann
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