GNU GRUB - Bugs: bug #31173, GRUB loses characters on HP...
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bug #31173: GRUB loses characters on HP Integrated Lights Out 2 (iLO2) Virtual Serial Port session
Submitter: | Oscar Perez <iloguy> | ||
Submitted: | Thu 30 Sep 2010 03:16:24 PM UTC | ||
Category: | None | Severity: | Major |
Priority: | 5 - Normal | Item Group: | Software Error |
Status: | Fixed | Privacy: | Public |
Assigned to: | None | Originator Name: | iLO Guy |
Open/Closed: | Closed | Release: | 1.97 |
Release: | Reproducibility: | Every Time | |
Planned Release: | None |
Sat 16 Oct 2010 07:02:39 PM UTC, comment #4: |
Vladimir Serbinenko <phcoder> |
Wed 06 Oct 2010 12:48:29 PM UTC, comment #3: It's ok for 200 ms waiting. As for restting to zero, it's quite difficult to predict how exactly the UART is broken. If it's able to transmit more than 50% of characters, broken count will come back to zero. If it's not then it's probably broken. Could you test my patch with 200 instead of 100 ms? |
Vladimir Serbinenko <phcoder> |
Fri 01 Oct 2010 05:14:58 PM UTC, comment #2: I looked at the patch. I like the solution a lot but, may I request a more generous initial timeout?
|
Oscar Perez <iloguy> |
Fri 01 Oct 2010 07:13:13 AM UTC, comment #1: Trouble with bigger timeouts is that broken UART can stall GRUB and essentially give an impression of hanged bootloader. But it's possible to use a generous timeout by default and decrease it on errors. Please test the attached patch |
Vladimir Serbinenko <phcoder> |
Thu 30 Sep 2010 03:16:24 PM UTC, original submission:
Hello,
|
Oscar Perez <iloguy> |
Depends on the following items: None found
Items that depend on this one: None found
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Follow 3 latest changes.
Date | Changed by | Updated Field | Previous Value | => | Replaced by |
---|---|---|---|---|---|
2010-10-16 | phcoder | Status | None | Fixed | |
Open/Closed | Open | Closed | |||
2010-10-01 | phcoder | Attached File | - | Added serialdelay.diff, #21589 |
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Corresponding source code
I applied the patch. If problem persists please reopen the bug.