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From: Guenter Roeck <linux@roeck-us.net>
To: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: linux-kernel@vger.kernel.org, torvalds@linux-foundation.org,
	akpm@linux-foundation.org, shuah@kernel.org,
	patches@kernelci.org, lkft-triage@lists.linaro.org,
	pavel@denx.de, jonathanh@nvidia.com, f.fainelli@gmail.com,
	stable@vger.kernel.org
Subject: Re: [PATCH 4.9 00/35] 4.9.265-rc1 review
Date: Mon, 5 Apr 2021 16:51:55 -0700	[thread overview]
Message-ID: <20210405235155.GA75187@roeck-us.net> (raw)
In-Reply-To: <20210405175629.GB93485@roeck-us.net>

On Mon, Apr 05, 2021 at 10:56:29AM -0700, Guenter Roeck wrote:
> On Mon, Apr 05, 2021 at 10:53:35AM +0200, Greg Kroah-Hartman wrote:
> > This is the start of the stable review cycle for the 4.9.265 release.
> > There are 35 patches in this series, all will be posted as a response
> > to this one.  If anyone has any issues with these being applied, please
> > let me know.
> > 
> > Responses should be made by Wed, 07 Apr 2021 08:50:09 +0000.
> > Anything received after that time might be too late.
> > 
> 
> Build results:
> 	total: 163 pass: 163 fail: 0
> Qemu test results:
> 	total: 383 pass: 382 fail: 1
> Failed tests:
> 	parisc:generic-32bit_defconfig:smp:net,pcnet:scsi[53C895A]:rootfs
> 
> In the failing test, the network interfcace instantiates but fails to get
> an IP address. This is not a new problem but a new test. For some reason
> it only happens with this specific network interface, this specific SCSI
> controller, and with v4.9.y. No reason for concern; I'll try to track down
> what is going on.
> 

Interesting. The problem affects all kernels up to and including
v4.19.y. Unlike I thought initially, the problem is not associated
with the SCSI controller (that was coincidental) but with pcnet
Ethernet interfaces. It has been fixed in the upstream kernel with
commit 518a2f1925c3 ("dma-mapping: zero memory returned from
dma_alloc_*"). This patch does not apply cleanly to any of the
affected kernels. I backported part of it to v4.19.y and v4.9.y
and confirmed that it fixes the problem in those branches.

Question is what we should do: try to backport 518a2f1925c3 to v4.19.y
and earlier, or stop testing against this specific problem.

Any thoughts ?

Thanks,
Guenter

  reply	other threads:[~2021-04-05 23:52 UTC|newest]

Thread overview: 44+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-04-05  8:53 [PATCH 4.9 00/35] 4.9.265-rc1 review Greg Kroah-Hartman
2021-04-05  8:53 ` [PATCH 4.9 01/35] selinux: vsock: Set SID for socket returned by accept() Greg Kroah-Hartman
2021-04-05  8:53 ` [PATCH 4.9 02/35] ipv6: weaken the v4mapped source check Greg Kroah-Hartman
2021-04-05  8:53 ` [PATCH 4.9 03/35] ext4: fix bh ref count on error paths Greg Kroah-Hartman
2021-04-05  8:53 ` [PATCH 4.9 04/35] rpc: fix NULL dereference on kmalloc failure Greg Kroah-Hartman
2021-04-05  8:53 ` [PATCH 4.9 05/35] ASoC: rt5640: Fix dac- and adc- vol-tlv values being off by a factor of 10 Greg Kroah-Hartman
2021-04-05  8:53 ` [PATCH 4.9 06/35] ASoC: rt5651: " Greg Kroah-Hartman
2021-04-05  8:53 ` [PATCH 4.9 07/35] ASoC: sgtl5000: set DAP_AVC_CTRL register to correct default value on probe Greg Kroah-Hartman
2021-04-05  8:53 ` [PATCH 4.9 08/35] powerpc: Force inlining of cpu_has_feature() to avoid build failure Greg Kroah-Hartman
2021-04-05  8:53 ` [PATCH 4.9 09/35] vhost: Fix vhost_vq_reset() Greg Kroah-Hartman
2021-04-05  8:53 ` [PATCH 4.9 10/35] scsi: st: Fix a use after free in st_open() Greg Kroah-Hartman
2021-04-05  8:53 ` [PATCH 4.9 11/35] scsi: qla2xxx: Fix broken #endif placement Greg Kroah-Hartman
2021-04-05  8:53 ` [PATCH 4.9 12/35] staging: comedi: cb_pcidas: fix request_irq() warn Greg Kroah-Hartman
2021-04-05  8:53 ` [PATCH 4.9 13/35] staging: comedi: cb_pcidas64: " Greg Kroah-Hartman
2021-04-05  8:53 ` [PATCH 4.9 14/35] ASoC: rt5659: Update MCLK rate in set_sysclk() Greg Kroah-Hartman
2021-04-05  8:53 ` [PATCH 4.9 15/35] ext4: do not iput inode under running transaction in ext4_rename() Greg Kroah-Hartman
2021-04-05  8:53 ` [PATCH 4.9 16/35] appletalk: Fix skb allocation size in loopback case Greg Kroah-Hartman
2021-04-05  8:53 ` [PATCH 4.9 17/35] net: wan/lmc: unregister device when no matching device is found Greg Kroah-Hartman
2021-04-05  8:53 ` [PATCH 4.9 18/35] bpf: Remove MTU check in __bpf_skb_max_len Greg Kroah-Hartman
2021-04-05  8:53 ` [PATCH 4.9 19/35] ALSA: usb-audio: Apply sample rate quirk to Logitech Connect Greg Kroah-Hartman
2021-04-05  8:53 ` [PATCH 4.9 20/35] ALSA: hda/realtek: call alc_update_headset_mode() in hp_automute_hook Greg Kroah-Hartman
2021-04-05  8:53 ` [PATCH 4.9 21/35] tracing: Fix stack trace event size Greg Kroah-Hartman
2021-04-05  8:53 ` [PATCH 4.9 22/35] mm: fix race by making init_zero_pfn() early_initcall Greg Kroah-Hartman
2021-04-05  8:53 ` [PATCH 4.9 23/35] reiserfs: update reiserfs_xattrs_initialized() condition Greg Kroah-Hartman
2021-04-05  8:53 ` [PATCH 4.9 24/35] pinctrl: rockchip: fix restore error in resume Greg Kroah-Hartman
2021-04-05  8:54 ` [PATCH 4.9 25/35] extcon: Fix error handling in extcon_dev_register Greg Kroah-Hartman
2021-04-05  8:54 ` [PATCH 4.9 26/35] firewire: nosy: Fix a use-after-free bug in nosy_ioctl() Greg Kroah-Hartman
2021-04-05  8:54 ` [PATCH 4.9 27/35] USB: quirks: ignore remote wake-up on Fibocom L850-GL LTE modem Greg Kroah-Hartman
2021-04-05  8:54 ` [PATCH 4.9 28/35] usb: xhci-mtk: fix broken streams issue on 0.96 xHCI Greg Kroah-Hartman
2021-04-05  8:54 ` [PATCH 4.9 29/35] cdc-acm: fix BREAK rx code path adding necessary calls Greg Kroah-Hartman
2021-04-05  8:54 ` [PATCH 4.9 30/35] USB: cdc-acm: downgrade message to debug Greg Kroah-Hartman
2021-04-05  8:54 ` [PATCH 4.9 31/35] USB: cdc-acm: fix use-after-free after probe failure Greg Kroah-Hartman
2021-04-05  8:54 ` [PATCH 4.9 32/35] staging: rtl8192e: Fix incorrect source in memcpy() Greg Kroah-Hartman
2021-04-05  8:54 ` [PATCH 4.9 33/35] staging: rtl8192e: Change state information from u16 to u8 Greg Kroah-Hartman
2021-04-05  8:54 ` [PATCH 4.9 34/35] audit: fix a net reference leak in audit_send_reply() Greg Kroah-Hartman
2021-04-05  8:54 ` [PATCH 4.9 35/35] audit: fix a net reference leak in audit_list_rules_send() Greg Kroah-Hartman
2021-04-05 17:27 ` [PATCH 4.9 00/35] 4.9.265-rc1 review Florian Fainelli
2021-04-05 17:56 ` Guenter Roeck
2021-04-05 23:51   ` Guenter Roeck [this message]
2021-04-06  2:22     ` Guenter Roeck
2021-04-06  2:36       ` Guenter Roeck
2021-04-07 10:18         ` Greg Kroah-Hartman
2021-04-06  0:29 ` Shuah Khan
2021-04-06  7:40 ` Naresh Kamboju

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