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SubjectRe: kernel 5.15 does not boot with 3ware card (never had this issue <= 5.14) - scsi 0:0:0:0: WARNING: (0x06:0x002C) : Command (0x12) timed out, resetting card
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On 31/10/2021 23:52, Bart Van Assche wrote:
> On 10/31/21 16:19, Justin Piszcz wrote:
>> Diff between 5.14 and 5.15 .config files-- could it be something to do
>> with
>> CONFIG_IOMMU_DEFAULT_DMA_LAZY=y?

On x86 (intel or amd) iommu we were using lazy mode previously, but just
did not have a config option, so should not make a difference.


>
> That's hard to say. Is CONFIG_MAGIC_SYSRQ enabled? If not, please enable
> it and hit Alt-Printscreen-t (dump task list; see also
> Documentation/admin-guide/sysrq.rst) and share the contents of the
> kernel log. If that would not be convenient, please try to bisect this
> issue.

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