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Message-ID: <5767438.DvuYhMxLoT@kreacher>
Date: Wed, 20 Mar 2024 20:29:55 +0100
From: "Rafael J. Wysocki" <rjw@...ysocki.net>
To: Francisco Ayala Le Brun <francisco@...eowindow.eu>
Cc: Adrian Hunter <adrian.hunter@...el.com>, linux-mmc@...r.kernel.org,
linux-kernel@...r.kernel.org, ulf.hansson@...aro.org,
Linux ACPI <linux-acpi@...r.kernel.org>,
Thomas Gleixner <tglx@...utronix.de>,
Linus Walleij <linus.walleij@...aro.org>,
Mario Limonciello <mario.limonciello@....com>,
"Rafael J. Wysocki" <rafael@...nel.org>
Subject: Re: Bug report: probe of AMDI0040:00 failed with error -16
On Tuesday, March 19, 2024 5:20:41 PM CET Adrian Hunter wrote:
> On 19/03/24 16:43, Francisco Ayala Le Brun wrote:
> > Hello,
> >
> > I would like to report a bug.
> >
> > Issue description:
> > After updating a GHF51 SBC to a newer kernel version, the system was
>
> What was the older / working kernel version? Are you able
> to git bisect?
>
> > no longer able to boot. Running the "lsblk" command in the recovery
> > console showed no mmc storage detected.
> >
> > System Information:
> > OS: Fedora 40 x86_64
> > Kernel: 6.8.0-0.rc6.49.fc40.x86_64
> >
> > Relevant Logs:
>
> Really no error / fail messages before the stack dump?
>
> > [ 10.920756] Call Trace:
> > [ 10.920763] <TASK>
> > [ 10.920771] dump_stack_lvl+0x4d/0x70
> > [ 10.920786] __setup_irq+0x530/0x6c0
> > [ 10.920801] request_threaded_irq+0xe5/0x180
> > [ 10.920813] ? __pfx_sdhci_thread_irq+0x10/0x10 [sdhci]
> > [ 10.920843] __sdhci_add_host+0x108/0x360 [sdhci]
> > [ 10.920871] sdhci_acpi_probe+0x3a8/0x500 [sdhci_acpi]
> > [ 10.920894] platform_probe+0x44/0xa0
> > [ 10.920908] really_probe+0x19e/0x3e0
> > [ 10.930244] __driver_probe_device+0x78/0x160
> > [ 10.930264] driver_probe_device+0x1f/0xa0
> > [ 10.930273] __driver_attach_async_helper+0x5e/0xe0
> > [ 10.930284] async_run_entry_fn+0x34/0x130
> > [ 10.930296] process_one_work+0x170/0x330
> > [ 10.930309] worker_thread+0x273/0x3c0
> > [ 10.934639] ? __pfx_worker_thread+0x10/0x10
> > [ 10.934654] kthread+0xe8/0x120
> > [ 10.934663] ? __pfx_kthread+0x10/0x10
> > [ 10.934671] ret_from_fork+0x34/0x50
> > [ 10.934681] ? __pfx_kthread+0x10/0x10
> > [ 10.934688] ret_from_fork_asm+0x1b/0x30
> > [ 10.934708] </TASK>
> > [ 10.940978] mmc0: Failed to request IRQ 7: -16
> > [ 10.943885] sdhci-acpi: probe of AMDI0040:00 failed with error -16
>
> 16 is EBUSY which seems to be used by __setup_irq() for
> irq mismatch
Would you be able to test the patch below and see if it helps?
---
drivers/pinctrl/pinctrl-amd.c | 2 +-
include/linux/interrupt.h | 5 ++++-
kernel/irq/manage.c | 13 +++++++++++--
3 files changed, 16 insertions(+), 4 deletions(-)
Index: linux-pm/include/linux/interrupt.h
===================================================================
--- linux-pm.orig/include/linux/interrupt.h
+++ linux-pm/include/linux/interrupt.h
@@ -67,6 +67,8 @@
* later.
* IRQF_NO_DEBUG - Exclude from runnaway detection for IPI and similar handlers,
* depends on IRQF_PERCPU.
+ * IRQF_COND_ONESHOT - Agree to do IRQF_ONESHOT if already set for a shared
+ * interrupt.
*/
#define IRQF_SHARED 0x00000080
#define IRQF_PROBE_SHARED 0x00000100
@@ -82,6 +84,7 @@
#define IRQF_COND_SUSPEND 0x00040000
#define IRQF_NO_AUTOEN 0x00080000
#define IRQF_NO_DEBUG 0x00100000
+#define IRQF_COND_ONESHOT 0x00200000
#define IRQF_TIMER (__IRQF_TIMER | IRQF_NO_SUSPEND | IRQF_NO_THREAD)
@@ -784,7 +787,7 @@ extern void tasklet_setup(struct tasklet
* if more than one irq occurred.
*/
-#if !defined(CONFIG_GENERIC_IRQ_PROBE)
+#if !defined(CONFIG_GENERIC_IRQ_PROBE)
static inline unsigned long probe_irq_on(void)
{
return 0;
Index: linux-pm/kernel/irq/manage.c
===================================================================
--- linux-pm.orig/kernel/irq/manage.c
+++ linux-pm/kernel/irq/manage.c
@@ -1642,8 +1642,14 @@ __setup_irq(unsigned int irq, struct irq
}
if (!((old->flags & new->flags) & IRQF_SHARED) ||
- (oldtype != (new->flags & IRQF_TRIGGER_MASK)) ||
- ((old->flags ^ new->flags) & IRQF_ONESHOT))
+ (oldtype != (new->flags & IRQF_TRIGGER_MASK)))
+ goto mismatch;
+
+ if ((old->flags & IRQF_ONESHOT) &&
+ (new->flags & IRQF_COND_ONESHOT))
+ new->flags |= IRQF_ONESHOT;
+
+ if ((old->flags ^ new->flags) & IRQF_ONESHOT)
goto mismatch;
/* All handlers must agree on per-cpuness */
@@ -1665,6 +1671,9 @@ __setup_irq(unsigned int irq, struct irq
shared = 1;
}
+ /* IRQF_COND_ONESHOT has no meaning from now on, so clear it. */
+ new->flags &= ~IRQF_COND_ONESHOT;
+
/*
* Setup the thread mask for this irqaction for ONESHOT. For
* !ONESHOT irqs the thread mask is 0 so we can avoid a
Index: linux-pm/drivers/pinctrl/pinctrl-amd.c
===================================================================
--- linux-pm.orig/drivers/pinctrl/pinctrl-amd.c
+++ linux-pm/drivers/pinctrl/pinctrl-amd.c
@@ -1159,7 +1159,7 @@ static int amd_gpio_probe(struct platfor
}
ret = devm_request_irq(&pdev->dev, gpio_dev->irq, amd_gpio_irq_handler,
- IRQF_SHARED | IRQF_ONESHOT, KBUILD_MODNAME, gpio_dev);
+ IRQF_SHARED | IRQF_COND_ONESHOT, KBUILD_MODNAME, gpio_dev);
if (ret)
goto out2;
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